Function CreateUnorderedMapWithReserve

valdi/test/benchmark/map_benchmark.cpp:37–49

BENCHMARK(CreateFlatMap)->DenseRange(8, 128, 8);

static void CreateUnorderedMapWithReserve(benchmark::State& state) {
    StringCache stringCache;
    auto cachedStrings = makeRandomInternedStrings(stringCache, state.range(0), 10);

    for (auto _ : state) {
        std::unordered_map<StringBox, bool> map;
        map.reserve(cachedStrings.size());

        for (const auto& str : cachedStrings) {
            map[str] = true;
        }
    }
}
BENCHMARK(CreateUnorderedMapWithReserve)->DenseRange(8, 128, 8);

static void CreateFlatMapWithReserve(benchmark::State& state) {