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-rw-r--r--absl/strings/str_split_benchmark.cc23
1 files changed, 23 insertions, 0 deletions
diff --git a/absl/strings/str_split_benchmark.cc b/absl/strings/str_split_benchmark.cc
index 28c25e8d..f38dfcfe 100644
--- a/absl/strings/str_split_benchmark.cc
+++ b/absl/strings/str_split_benchmark.cc
@@ -44,6 +44,29 @@ void BM_Split2StringView(benchmark::State& state) {
}
BENCHMARK_RANGE(BM_Split2StringView, 0, 1 << 20);
+static const absl::string_view kDelimiters = ";:,.";
+
+std::string MakeMultiDelimiterTestString(int desired_length) {
+ static const int kAverageValueLen = 25;
+ std::string test(desired_length * kAverageValueLen, 'x');
+ for (int i = 0; i * kAverageValueLen < test.size(); ++i) {
+ // Cycle through a variety of delimiters.
+ test[i * kAverageValueLen] = kDelimiters[i % kDelimiters.size()];
+ }
+ return test;
+}
+
+// Measure StrSplit with ByAnyChar with four delimiters to choose from.
+void BM_Split2StringViewByAnyChar(benchmark::State& state) {
+ std::string test = MakeMultiDelimiterTestString(state.range(0));
+ for (auto _ : state) {
+ std::vector<absl::string_view> result =
+ absl::StrSplit(test, absl::ByAnyChar(kDelimiters));
+ benchmark::DoNotOptimize(result);
+ }
+}
+BENCHMARK_RANGE(BM_Split2StringViewByAnyChar, 0, 1 << 20);
+
void BM_Split2StringViewLifted(benchmark::State& state) {
std::string test = MakeTestString(state.range(0));
std::vector<absl::string_view> result;