| Issue |
208719
|
| Summary |
[libc++] vector::push_back benchmark produces weird timings
|
| Labels |
libc++,
performance
|
| Assignees |
philnik777
|
| Reporter |
ldionne
|
From https://github.com/llvm/llvm-project/pull/207384#issuecomment-4935178445:
```
std::vector<int>::push_back()_(many_elements)_(cheap_elements)/32 25.28 25.34 0.07 0.27%
std::vector<int>::push_back()_(many_elements)_(cheap_elements)/1024 1.21 1.41 0.20 16.38%
std::vector<int>::push_back()_(many_elements)_(cheap_elements)/8192 0.52 0.72 0.20 39.27%
```
These numbers make no sense, we should figure out what's wrong with the benchmark.
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