diff options
Diffstat (limited to 'src/bench/bench.cpp')
-rw-r--r-- | src/bench/bench.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/bench/bench.cpp b/src/bench/bench.cpp index dd4ba5ab0e..4c5a036773 100644 --- a/src/bench/bench.cpp +++ b/src/bench/bench.cpp @@ -23,6 +23,9 @@ void benchmark::BenchRunner::RunAll(benchmark::duration elapsedTimeForOne) { perf_init(); + if (std::ratio_less_equal<benchmark::clock::period, std::micro>::value) { + std::cerr << "WARNING: Clock precision is worse than microsecond - benchmarks may be less accurate!\n"; + } std::cout << "#Benchmark" << "," << "count" << "," << "min(ns)" << "," << "max(ns)" << "," << "average(ns)" << "," << "min_cycles" << "," << "max_cycles" << "," << "average_cycles" << "\n"; |