<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi,<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jun 24, 2021, at 17:38, Jingu Kang via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" class="">llvm-dev@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); 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; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Sorry for Ping.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">As I mentioned on previous email, if you need more information for enabling the loop distribute pass, please let me know.<span class="Apple-converted-space"> </span><a id="OWAAMA76694BCBAB24770B376A56416E7A264" href="mailto:llvmdev@meinersbur.de" style="color: blue; text-decoration: underline;" class=""><span style="font-family: Calibri, sans-serif; text-decoration: none;" class="">@Michael</span></a><span class="Apple-converted-space"> </span><a id="OWAAMC1ADA2AFA65644F9BB762BDE318E0D48" href="mailto:nikic@php.net" style="color: blue; text-decoration: underline;" class=""><span style="font-family: Calibri, sans-serif; text-decoration: none;" class="">@nikic</span></a><o:p class=""></o:p></div></div></div></blockquote><br class=""></div><div>Do you have any data on how often LoopDistribute triggers on a larger set of programs (like llvm-test-suite + SPEC)? AFAIK the implementation is very limited at the moment (geared towards catching the case in hmmer) and I suspect lack of generality is one of the reasons why it is not enabled by default yet.</div><div><br class=""></div><div>Also, there’s been an effort to improve the cost-modeling for LoopDistribute (<a href="https://reviews.llvm.org/D100381" class="">https://reviews.llvm.org/D100381</a>) Should we make progress in that direction first, before enabling by default?</div><div><br class=""></div><div>Cheers,</div><div>Florian</div><br class=""></body></html>