shylie/llvm-project
1
0
Fork 0
Code Issues Pull Requests Actions 6 Packages Projects Releases Wiki Activity

[libc++] Reduce the number of runs on the stop_token benchmarks (#179914)

Browse Source 
Testing a bunch of sizes has relatively little value. This reduces the
number of benchmarks so we can run them on a regular basis.

Fixes #179697
This commit is contained in:
Nikolas Klauser 2026-02-07 11:17:05 +01:00 committed by GitHub
parent 269fda118a
commit 763761888f
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libcxx/test/benchmarks/stop_token.bench.cpp
View File

@ -42,7 +42,7 @@ void BM_stop_token_single_thread_polling_stop_requested(benchmark::State& state)
}
}
BENCHMARK(BM_stop_token_single_thread_polling_stop_requested)->RangeMultiplier(2)->Range(1 << 10, 1 << 24);
BENCHMARK(BM_stop_token_single_thread_polling_stop_requested)->Arg(1024)->Arg(131072)->Arg(16777216);
// We have multiple threads polling for stop_requested of the same stop_token.
void BM_stop_token_multi_thread_polling_stop_requested(benchmark::State& state) {
@ -91,7 +91,7 @@ void BM_stop_token_multi_thread_polling_stop_requested(benchmark::State& state)
ss.request_stop();
}
BENCHMARK(BM_stop_token_multi_thread_polling_stop_requested)->RangeMultiplier(2)->Range(1 << 10, 1 << 24);
BENCHMARK(BM_stop_token_multi_thread_polling_stop_requested)->Arg(1024)->Arg(131072)->Arg(16777216);
// We have a single thread created by std::jthread consuming the stop_token:
// registering/deregistering callbacks, one at a time.
@ -117,7 +117,7 @@ void BM_stop_token_single_thread_reg_unreg_callback(benchmark::State& state) {
}
}
}
BENCHMARK(BM_stop_token_single_thread_reg_unreg_callback)->RangeMultiplier(2)->Range(1 << 10, 1 << 24);
BENCHMARK(BM_stop_token_single_thread_reg_unreg_callback)->Arg(1024)->Arg(131072)->Arg(16777216);
// At startup, it creates a single stop_source which it will then pass an associated stop_token to every
// request.
@ -182,6 +182,6 @@ void BM_stop_token_async_reg_unreg_callback(benchmark::State& state) {
ss.request_stop();
}
BENCHMARK(BM_stop_token_async_reg_unreg_callback)->RangeMultiplier(2)->Range(1 << 10, 1 << 24);
BENCHMARK(BM_stop_token_async_reg_unreg_callback)->Arg(1024)->Arg(131072)->Arg(16777216);
BENCHMARK_MAIN();