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| author | Nikolas Klauser <nikolasklauser@berlin.de> | 2023-10-22 13:56:08 +0200 |
|---|---|---|
| committer | Nikolas Klauser <nikolasklauser@berlin.de> | 2023-11-14 23:55:24 +0100 |
| commit | c81bfc61da7e3a17a0ecd42ad049c9cd74384192 (patch) | |
| tree | 933b82ff9db840377debca695d71fb00dcc1e2b7 /clang/lib/CodeGen/CodeGenFunction.cpp | |
| parent | 6726c99f8893c4a7bce00059416cb462237c64a0 (diff) | |
| download | llvm-c81bfc61da7e3a17a0ecd42ad049c9cd74384192.zip llvm-c81bfc61da7e3a17a0ecd42ad049c9cd74384192.tar.gz llvm-c81bfc61da7e3a17a0ecd42ad049c9cd74384192.tar.bz2 | |
[libc++] Optimize for_each for segmented iterators
```
---------------------------------------------------
Benchmark old new
---------------------------------------------------
bm_for_each/1 3.00 ns 2.98 ns
bm_for_each/2 4.53 ns 4.57 ns
bm_for_each/3 5.82 ns 5.82 ns
bm_for_each/4 6.94 ns 6.91 ns
bm_for_each/5 7.55 ns 7.75 ns
bm_for_each/6 7.06 ns 7.45 ns
bm_for_each/7 6.69 ns 7.14 ns
bm_for_each/8 6.86 ns 4.06 ns
bm_for_each/16 11.5 ns 5.73 ns
bm_for_each/64 43.7 ns 4.06 ns
bm_for_each/512 356 ns 7.98 ns
bm_for_each/4096 2787 ns 53.6 ns
bm_for_each/32768 20836 ns 438 ns
bm_for_each/262144 195362 ns 4945 ns
bm_for_each/1048576 685482 ns 19822 ns
```
Reviewed By: ldionne, Mordante, #libc
Spies: bgraur, sberg, arichardson, libcxx-commits
Differential Revision: https://reviews.llvm.org/D151274
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
0 files changed, 0 insertions, 0 deletions