[PATCH] D32881: Read public symbol names for LazyObjectFiles in parallel.

[Davide Italiano via llvm-commits]

On Thu, May 25, 2017 at 7:47 PM, Rui Ueyama via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Here is the table of your benchmark results. It seems they aren't different
> to me.
>
> --threads
>
> Index          w/o Index
> 3.128589132    3.128069636    1.000
> 3.302902865    3.294943688    1.002
> 4.842033728    4.852418117    0.997
> 5.031806070    5.007721261    1.004
> 5.061450822    5.067567389    0.998
> 5.223625773    5.213661213    1.001
> 2.777111220    2.770632998    1.002
> 2.870435296    2.876185518    0.998
> 2.041417779    2.043296975    0.999
> 2.120939637    2.121668866    0.999
> 1.543028971    1.551262595    0.994
> 1.556195605    1.559701231    0.997
>
> --no-threads
>
> Index          w/o Index
> 4.648823604    4.634666491    1.003
> 4.656633102    4.656090134    1.000
> 7.298663474    7.288234015    1.001
> 7.310040628    7.303389055    1.000
> 7.508681533    7.496336533    1.001
> 7.517153977    7.512991823    1.000
> 4.089264337    4.097596474    0.997
> 4.082382992    4.089621870    0.998
> 2.202735522    2.210372640    0.996
> 2.205530082    2.216226573    0.995
> 3.156375368    3.165926995    0.996
> 3.158119913    3.166431410    0.997
>

Honestly, the improvements/regressions seem just noise to me. If these
are numbers patched/unpatched, I'd say this patch is mostly
performance neutral.

-- 
Davide

"There are no solved problems; there are only problems that are more
or less solved" -- Henri Poincare