cyb70289 commented on a change in pull request #11376:
URL: https://github.com/apache/arrow/pull/11376#discussion_r725774518
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File path: cpp/src/arrow/util/utf8_util_benchmark.cc
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@@ -24,6 +24,15 @@
#include "arrow/testing/gtest_util.h"
#include "arrow/util/utf8.h"
+// Do not benchmark inlined functions directly inside the benchmark loop
+static ARROW_NOINLINE bool ValidateUTF8NoInline(const uint8_t* data, int64_t
size) {
Review comment:
Without this noinline wrap, benchmarked function is expanded in the
benchmark loop.
It causes strange behaviour. E.g., an obviously irrelevant change may bring
big variance to the benchmark result.
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