<div dir="ltr">FWIW, I'm good with the updated data, but I'd really like at least someone from Apple and someone from ARM to chime in here... CC-ing random people in the hope it helps...<br><br><div class="gmail_quote"><div dir="ltr">On Mon, Feb 13, 2017 at 8:30 AM Dehao Chen via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">Thanks for the comment. The performance experiments were performed on Intel Sandybridge. Updated this info to the patch description.</div><div dir="ltr" class="gmail_msg"><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">Dehao</div></div><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg">On Sun, Feb 12, 2017 at 8:24 AM, Sanjay Patel <span dir="ltr" class="gmail_msg"><<a href="mailto:spatel@rotateright.com" class="gmail_msg" target="_blank">spatel@rotateright.com</a>></span> wrote:<br class="gmail_msg"></div></div><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">Since we can override the settings, I have no objections. <br class="gmail_msg"><br class="gmail_msg">I still think it would be good to document here and in the review/commit message which CPU model was used to acquire the experimental data. That could be useful to anyone that comes along later and wants to reproduce and/or compare to the original, motivating data.<br class="gmail_msg"></div></blockquote></div></div><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_extra gmail_msg"><br class="gmail_msg"><div class="gmail_quote gmail_msg">On Fri, Feb 10, 2017 at 4:53 PM, Dehao Chen <span dir="ltr" class="gmail_msg"><<a href="mailto:dehao@google.com" class="gmail_msg" target="_blank">dehao@google.com</a>></span> wrote:<br class="gmail_msg"><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">Thanks Hal, could you help approve <a href="https://reviews.llvm.org/D28368" class="gmail_msg" target="_blank">https://reviews.llvm.org/D28368</a>?<div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">I'll hold off until early Tuesday in case other people have more concerns.</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">Thanks,</div><div class="gmail_msg">Dehao</div></div><div class="gmail_extra gmail_msg"><br class="gmail_msg"><div class="gmail_quote gmail_msg"><div class="gmail_msg"><div class="m_-906165227187887420m_-3091384832346738911h5 gmail_msg">On Fri, Feb 10, 2017 at 3:23 PM, Hal Finkel <span dir="ltr" class="gmail_msg"><<a href="mailto:hfinkel@anl.gov" class="gmail_msg" target="_blank">hfinkel@anl.gov</a>></span> wrote:<br class="gmail_msg"></div></div><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000" class="gmail_msg"><div class="gmail_msg"><div class="m_-906165227187887420m_-3091384832346738911h5 gmail_msg">
<p class="gmail_msg"><br class="gmail_msg">
</p>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944moz-cite-prefix gmail_msg">On 02/10/2017 05:21 PM, Dehao Chen
wrote:<br class="gmail_msg">
</div>
<blockquote type="cite" class="gmail_msg">
<div dir="ltr" class="gmail_msg">Thanks every for the comments.
<div class="gmail_msg"><br class="gmail_msg">
</div>
<div class="gmail_msg">Do we have a decision here?</div>
</div>
</blockquote>
<br class="gmail_msg">
You're good to go as far as I'm concerned.<br class="gmail_msg">
<br class="gmail_msg">
-Hal<br class="gmail_msg">
<br class="gmail_msg">
</div></div><blockquote type="cite" class="gmail_msg">
<div dir="ltr" class="gmail_msg">
<div class="gmail_msg"><br class="gmail_msg">
</div>
<div class="gmail_msg">Dehao</div>
</div>
<div class="gmail_extra gmail_msg"><br class="gmail_msg">
<div class="gmail_quote gmail_msg"><div class="gmail_msg"><div class="m_-906165227187887420m_-3091384832346738911h5 gmail_msg">On Tue, Feb 7, 2017 at 10:24 PM, Hal
Finkel <span dir="ltr" class="gmail_msg"><<a href="mailto:hfinkel@anl.gov" class="gmail_msg" target="_blank">hfinkel@anl.gov</a>></span>
wrote:<br class="gmail_msg">
</div></div><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000" class="gmail_msg"><div class="gmail_msg"><div class="m_-906165227187887420m_-3091384832346738911h5 gmail_msg"><span class="gmail_msg">
<p class="gmail_msg"><br class="gmail_msg">
</p>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412moz-cite-prefix gmail_msg">On
02/07/2017 05:29 PM, Sanjay Patel via llvm-dev wrote:<br class="gmail_msg">
</div>
<blockquote type="cite" class="gmail_msg">
<div dir="ltr" class="gmail_msg">Sorry if I missed it, but what
machine/CPU are you using to collect the perf
numbers? <br class="gmail_msg">
<br class="gmail_msg">
I am concerned that what may be a win on a CPU that
keeps a couple of hundred instructions in-flight and
has many MB of caches will not hold for a small
core. <br class="gmail_msg">
</div>
</blockquote>
<br class="gmail_msg">
</span> In my experience, unrolling tends to help weaker
cores even more than stronger ones because it allows the
instruction scheduler more opportunities to hide latency.
Obviously, instruction-cache pressure is an important
consideration, but the code size changes here seems small.<span class="gmail_msg"><br class="gmail_msg">
<br class="gmail_msg">
<blockquote type="cite" class="gmail_msg">
<div dir="ltr" class="gmail_msg"><br class="gmail_msg">
Is the proposed change universal? Is there a way to
undo it?<br class="gmail_msg">
</div>
</blockquote>
<br class="gmail_msg">
</span> All of the unrolling thresholds should be
target-adjustable using the TTI::getUnrollingPreferences
hook.<br class="gmail_msg">
<br class="gmail_msg">
-Hal
<div class="gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944h5 gmail_msg"><br class="gmail_msg">
<br class="gmail_msg">
<blockquote type="cite" class="gmail_msg">
<div class="gmail_extra gmail_msg"><br class="gmail_msg">
<div class="gmail_quote gmail_msg">On Tue, Feb 7, 2017 at
3:26 PM, Dehao Chen via llvm-dev <span dir="ltr" class="gmail_msg"><<a href="mailto:llvm-dev@lists.llvm.org" class="gmail_msg" target="_blank">llvm-dev@lists.llvm.org</a>></span>
wrote:<br class="gmail_msg">
<blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" class="gmail_msg">Ping... with the updated code
size impact data, any more comments? Any
more data that would be interesting to
collect?
<div class="gmail_msg"><br class="gmail_msg">
</div>
<div class="gmail_msg">Thanks,</div>
<div class="gmail_msg">Dehao</div>
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412HOEnZb gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412h5 gmail_msg">
<div class="gmail_extra gmail_msg"><br class="gmail_msg">
<div class="gmail_quote gmail_msg">On Thu, Feb 2,
2017 at 2:07 PM, Dehao Chen <span dir="ltr" class="gmail_msg"><<a href="mailto:dehao@google.com" class="gmail_msg" target="_blank">dehao@google.com</a>></span>
wrote:<br class="gmail_msg">
<blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" class="gmail_msg"> Here is the code
size impact for clang, chrome and
24 google internal benchmarks
(name omited, 14 15 16 are
encoding/decoding benchmarks
similar as h264). There are 2
columns, for threshold 300 and 450
respectively.
<div class="gmail_msg"><br class="gmail_msg">
</div>
<div class="gmail_msg">I also tested the llvm test
suite. Changing the threshold to
300/450 does not affect code gen
for any binary in the test
suite.</div>
<div class="gmail_msg"><br class="gmail_msg">
</div>
<div class="gmail_msg"><br class="gmail_msg">
<table cellspacing="0" border="0" class="gmail_msg">
<colgroup width="85" span="3" class="gmail_msg"></colgroup>
<tbody class="gmail_msg">
<tr class="gmail_msg">
<td height="17" align="left" class="gmail_msg"><br class="gmail_msg">
</td>
<td align="right" class="gmail_msg">300</td>
<td align="right" class="gmail_msg">450</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="left" class="gmail_msg">clang</td>
<td align="right" class="gmail_msg">0.30%</td>
<td align="right" class="gmail_msg">0.63%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="left" class="gmail_msg">chrome</td>
<td align="right" class="gmail_msg">0.00%</td>
<td align="right" class="gmail_msg">0.00%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">1</td>
<td align="right" class="gmail_msg">0.27%</td>
<td align="right" class="gmail_msg">0.67%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">2</td>
<td align="right" class="gmail_msg">0.44%</td>
<td align="right" class="gmail_msg">0.93%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">3</td>
<td align="right" class="gmail_msg">0.44%</td>
<td align="right" class="gmail_msg">0.93%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">4</td>
<td align="right" class="gmail_msg">0.26%</td>
<td align="right" class="gmail_msg">0.53%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">5</td>
<td align="right" class="gmail_msg">0.74%</td>
<td align="right" class="gmail_msg">2.21%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">6</td>
<td align="right" class="gmail_msg">0.74%</td>
<td align="right" class="gmail_msg">2.21%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">7</td>
<td align="right" class="gmail_msg">0.74%</td>
<td align="right" class="gmail_msg">2.21%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">8</td>
<td align="right" class="gmail_msg">0.46%</td>
<td align="right" class="gmail_msg">1.05%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">9</td>
<td align="right" class="gmail_msg">0.35%</td>
<td align="right" class="gmail_msg">0.86%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">10</td>
<td align="right" class="gmail_msg">0.35%</td>
<td align="right" class="gmail_msg">0.86%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">11</td>
<td align="right" class="gmail_msg">0.40%</td>
<td align="right" class="gmail_msg">0.83%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">12</td>
<td align="right" class="gmail_msg">0.32%</td>
<td align="right" class="gmail_msg">0.65%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">13</td>
<td align="right" class="gmail_msg">0.31%</td>
<td align="right" class="gmail_msg">0.64%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">14</td>
<td align="right" class="gmail_msg">4.52%</td>
<td align="right" class="gmail_msg">8.23%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">15</td>
<td align="right" class="gmail_msg">9.90%</td>
<td align="right" class="gmail_msg">19.38%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">16</td>
<td align="right" class="gmail_msg">9.90%</td>
<td align="right" class="gmail_msg">19.38%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">17</td>
<td align="right" class="gmail_msg">0.68%</td>
<td align="right" class="gmail_msg">1.97%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">18</td>
<td align="right" class="gmail_msg">0.21%</td>
<td align="right" class="gmail_msg">0.48%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">19</td>
<td align="right" class="gmail_msg">0.99%</td>
<td align="right" class="gmail_msg">3.44%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">20</td>
<td align="right" class="gmail_msg">0.19%</td>
<td align="right" class="gmail_msg">0.46%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">21</td>
<td align="right" class="gmail_msg">0.57%</td>
<td align="right" class="gmail_msg">1.62%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">22</td>
<td align="right" class="gmail_msg">0.37%</td>
<td align="right" class="gmail_msg">1.05%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">23</td>
<td align="right" class="gmail_msg">0.78%</td>
<td align="right" class="gmail_msg">1.30%</td>
</tr>
<tr class="gmail_msg">
<td height="17" align="right" class="gmail_msg">24</td>
<td align="right" class="gmail_msg">0.51%</td>
<td align="right" class="gmail_msg">1.54%</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395HOEnZb gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395h5 gmail_msg">
<div class="gmail_extra gmail_msg"><br class="gmail_msg">
<div class="gmail_quote gmail_msg">On
Wed, Feb 1, 2017 at 6:08 PM,
Mikhail Zolotukhin via
llvm-dev <span dir="ltr" class="gmail_msg"><<a href="mailto:llvm-dev@lists.llvm.org" class="gmail_msg" target="_blank">llvm-dev@lists.llvm.org</a>></span>
wrote:<br class="gmail_msg">
<blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word" class="gmail_msg">
<div class="gmail_msg">
<div class="gmail_msg"><span class="gmail_msg">
<blockquote type="cite" class="gmail_msg">
<div class="gmail_msg">On Feb 1,
2017, at 4:57
PM, Xinliang
David Li via
llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" class="gmail_msg" target="_blank">llvm-dev@lists.llvm.org</a>>
wrote:</div>
<br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851Apple-interchange-newline gmail_msg">
<div class="gmail_msg">
<div dir="ltr" class="gmail_msg">clang,
chrome, and
some internal
large apps are
good
candidates for
size metrics.</div>
</div>
</blockquote>
</span>I'd also add
the standard LLVM
testsuite just
because it's the
suite everyone in
the community can
use.
<div class="gmail_msg"><br class="gmail_msg">
</div>
<div class="gmail_msg">Michael<br class="gmail_msg">
</div>
<div class="gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058h5 gmail_msg">
<blockquote type="cite" class="gmail_msg">
<div class="gmail_msg">
<div dir="ltr" class="gmail_msg">
<div class="gmail_msg"><br class="gmail_msg">
</div>
<div class="gmail_msg">David</div>
</div>
<div class="gmail_extra gmail_msg"><br class="gmail_msg">
<div class="gmail_quote gmail_msg">On
Wed, Feb 1,
2017 at 4:47
PM, Chandler
Carruth via
llvm-dev <span dir="ltr" class="gmail_msg"><<a href="mailto:llvm-dev@lists.llvm.org" class="gmail_msg" target="_blank">llvm-dev@lists.llvm.org</a>></span>
wrote:<br class="gmail_msg">
<blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" class="gmail_msg">I
had suggested
having size
metrics from
somewhat
larger
applications
such as
Chrome,
Webkit, or
Firefox; clang
itself; and
maybe some of
our internal
binaries with
rough size
brackets?</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851HOEnZb gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851h5 gmail_msg"><br class="gmail_msg">
<div class="gmail_quote gmail_msg">
<div dir="ltr" class="gmail_msg">On
Wed, Feb 1,
2017 at 4:33
PM Dehao Chen
<<a href="mailto:dehao@google.com" class="gmail_msg" target="_blank">dehao@google.com</a>>
wrote:<br class="gmail_msg">
</div>
<blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">With
the new data
points, any
comments on
whether this
can justify
setting fully
inline
threshold to
300 (or any
other number)
in O2? I can
collect more
data points if
it's helpful.
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">Thanks,</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">Dehao</div>
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_extra
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">On
Tue, Jan 31,
2017 at 3:20
PM, Dehao Chen
<span dir="ltr" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><<a href="mailto:dehao@google.com" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" target="_blank">dehao@google.com</a>></span> wrote:<br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<blockquote class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">Recollected
the data from
trunk head
with stddev
data and more
threshold data
points
attached:
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">Performance:</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<table class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" cellspacing="0" border="0">
<colgroup class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" width="85" span="6"></colgroup>
<tbody class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="left"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="left">stddev/mean</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">300</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">450</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">600</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">750</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">403</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.37%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.11%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.11%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.09%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.79%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">433</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.14%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.51%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.25%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">-0.63%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">-0.29%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">445</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.08%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.48%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.89%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.12%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.83%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">447</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.16%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">3.50%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.69%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">3.66%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">3.59%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">453</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.11%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">1.49%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.45%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">-0.07%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.78%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">464</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.17%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.75%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">1.80%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">1.86%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">1.54%</td>
</tr>
</tbody>
</table>
<br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">Code
size:</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<table class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" cellspacing="0" border="0">
<colgroup class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" width="85" span="5"></colgroup>
<tbody class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="left"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">300</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">450</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">600</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">750</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">403</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.56%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.41%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.74%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">3.75%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">433</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.96%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.84%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">4.19%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">4.87%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">445</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.16%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">3.62%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">4.48%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">5.88%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">447</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.96%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">5.09%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">6.74%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">8.89%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">453</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">0.94%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">1.67%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.73%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">2.96%</td>
</tr>
<tr class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" height="17" align="right">464</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">8.02%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">13.50%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">20.51%</td>
<td class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" align="right">26.59%</td>
</tr>
</tbody>
</table>
<br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">Compile
time is
proportional
in the
experiments
and more
noisy, so I
did not
include it.</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">We
have >2%
speedup on
some google
internal
benchmarks
when switching
the threshold
from 150 to
300.</div>
<span class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241HOEnZbm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><font class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" color="#888888">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">Dehao</div>
</font></span></div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241HOEnZbm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241h5 gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_extra
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">On
Mon, Jan 30,
2017 at 5:06
PM, Chandler
Carruth <span dir="ltr" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><<a href="mailto:chandlerc@google.com" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" target="_blank">chandlerc@google.com</a>></span> wrote:<br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<blockquote class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><span class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<div dir="ltr" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">On
Mon, Jan 30,
2017 at 4:59
PM Mehdi Amini
<<a href="mailto:mehdi.amini@apple.com" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" target="_blank">mehdi.amini@apple.com</a>> wrote:<br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
</span><span class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
<blockquote class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<blockquote type="cite" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
</blockquote>
</div>
</div>
<div style="word-wrap:break-word" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<blockquote type="cite" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
<blockquote class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div dir="ltr" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655m_-6293897042106820945h5
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<blockquote class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412gmail_quote
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655m_-6293897042106820945m_-4486181801685859403gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg" style="word-wrap:break-word">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655m_-6293897042106820945m_-4486181801685859403gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655m_-6293897042106820945m_-4486181801685859403gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655m_-6293897042106820945m_-4486181801685859403gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655m_-6293897042106820945m_-4486181801685859403gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">Another
question is
about PGO
integration:
is it already
hooked there?
Should we have
a more
aggressive
threshold in a
hot function?
(Assuming
we’re willing
to spend some
binary size
there but not
on the cold
path).</div>
</div>
</div>
</blockquote>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
</div>
</div>
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">I
would even
wire the
*unrolling*
the other way:
just suppress
unrolling in
cold paths to
save binary
size. rolled
loops seem
like a
generally good
thing in cold
code unless
they are
having some
larger impact
(IE, the loop
itself is more
expensive than
the unrolled
form).</div>
</div>
</div>
</blockquote>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">Agree
that we could
suppress
unrolling in
cold path to
save code
size. But
that's
orthogonal
with the
propose here.
This proposal
focuses on O2
performance:
shall we have
different
(higher) fully
unroll
threshold than
dynamic/partial unroll.</div>
</div>
</div>
</blockquote>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
</div>
</div>
</div>
<div style="word-wrap:break-word" class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg
m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msgm_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588m_1694617720154745241m_6119381627642025574m_-8823773316722963655gmail_msg gmail_msg">I
agree that
this is (to
some extent)
orthogonal,
and it makes
sense to me to
differentiate
the threshold
for full
unroll and the
dynamic/partial case.</div>
</div>
</div>
</blockquote>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
</span>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">There
is one issue
that makes
these not
orthogonal.</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">If
even *static*
profile hints
will reduce
some of the
code size
increase
caused by
higher
unrolling
thresholds for
non-cold code,
we should
factor that
into the
tradeoff in
picking where
the threshold
goes.</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg"><br class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">
</div>
<div class="m_-906165227187887420m_-3091384832346738911m_-223130339941372021m_-7300748067540311944m_5543670116359683412m_-4814779693185880395m_8897563994913029058m_6216879383400100851m_8709703343599191588gmail_msg gmail_msg">However,
getting PGO
into the full
unroller is
currently
challenging
outside of the
new pass
manager. We
already have
some
unfortunate
hacks around
this in
LoopUnswitch
that are
making the
port of it to
the new PM
more annoying.</div>
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