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-rw-r--r--src/bench/bench.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/bench/bench.cpp b/src/bench/bench.cpp
index dd120f3590..21329a5151 100644
--- a/src/bench/bench.cpp
+++ b/src/bench/bench.cpp
@@ -100,6 +100,9 @@ void benchmark::BenchRunner::RunAll(Printer& printer, uint64_t num_evals, double
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";
}
+#ifdef DEBUG
+ std::cerr << "WARNING: This is a debug build - may result in slower benchmarks.\n";
+#endif
std::regex reFilter(filter);
std::smatch baseMatch;