From 763761888f644615cde7db1d896e46daf2b85db3 Mon Sep 17 00:00:00 2001 From: Nikolas Klauser Date: Sat, 7 Feb 2026 11:17:05 +0100 Subject: [PATCH] [libc++] Reduce the number of runs on the stop_token benchmarks (#179914) 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 --- libcxx/test/benchmarks/stop_token.bench.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libcxx/test/benchmarks/stop_token.bench.cpp b/libcxx/test/benchmarks/stop_token.bench.cpp index a627f80697dd..a386c30c6c15 100644 --- a/libcxx/test/benchmarks/stop_token.bench.cpp +++ b/libcxx/test/benchmarks/stop_token.bench.cpp @@ -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();