[llvm] [GlobalISel] Optimized MatchData Handling (PR #92115)
Amara Emerson via llvm-commits
llvm-commits at lists.llvm.org
Tue May 14 13:46:33 PDT 2024
aemerson wrote:
Strangely, after 2 attempts at running everything with 10x repeats each time, I'm seeing performance *regressions*, if any change.
```
Program compile_time
lhs rhs diff
Bullet/bullet 10.98 11.00 0.2%
7zip/7zip-benchmark 14.76 14.78 0.2%
lencod/lencod 4.65 4.66 0.2%
tramp3d-v4/tramp3d-v4 5.68 5.69 0.1%
mafft/pairlocalalign 2.68 2.68 0.0%
SPASS/SPASS 4.57 4.57 0.0%
kimwitu++/kc 6.65 6.65 -0.0%
consumer-typeset/consumer-typeset 3.59 3.59 -0.0%
sqlite3/sqlite3 2.49 2.49 -0.1%
Geomean difference 0.1%
```
This is measured in an MacBook with release mode + assertions disabled, no LTO.
https://github.com/llvm/llvm-project/pull/92115
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