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-rw-r--r--absl/container/internal/raw_hash_set_benchmark.cc18
1 files changed, 18 insertions, 0 deletions
diff --git a/absl/container/internal/raw_hash_set_benchmark.cc b/absl/container/internal/raw_hash_set_benchmark.cc
index e17ba9b4..15deddcf 100644
--- a/absl/container/internal/raw_hash_set_benchmark.cc
+++ b/absl/container/internal/raw_hash_set_benchmark.cc
@@ -477,6 +477,24 @@ void BM_DropDeletes(benchmark::State& state) {
}
BENCHMARK(BM_DropDeletes);
+void BM_Resize(benchmark::State& state) {
+ // For now just measure a small cheap hash table since we
+ // are mostly interested in the overhead of type-erasure
+ // in resize().
+ constexpr int kElements = 64;
+ const int kCapacity = kElements * 2;
+
+ IntTable table;
+ for (int i = 0; i < kElements; i++) {
+ table.insert(i);
+ }
+ for (auto unused : state) {
+ table.rehash(0);
+ table.rehash(kCapacity);
+ }
+}
+BENCHMARK(BM_Resize);
+
} // namespace
} // namespace container_internal
ABSL_NAMESPACE_END