diff options
Diffstat (limited to 'src/bench')
-rw-r--r-- | src/bench/gcs_filter.cpp | 79 |
1 files changed, 62 insertions, 17 deletions
diff --git a/src/bench/gcs_filter.cpp b/src/bench/gcs_filter.cpp index 607e4392b7..80babb213b 100644 --- a/src/bench/gcs_filter.cpp +++ b/src/bench/gcs_filter.cpp @@ -5,39 +5,84 @@ #include <bench/bench.h> #include <blockfilter.h> -static void ConstructGCSFilter(benchmark::Bench& bench) +static const GCSFilter::ElementSet GenerateGCSTestElements() { GCSFilter::ElementSet elements; - for (int i = 0; i < 10000; ++i) { + + // Testing the benchmarks with different number of elements show that a filter + // with at least 100,000 elements results in benchmarks that have the same + // ns/op. This makes it easy to reason about how long (in nanoseconds) a single + // filter element takes to process. + for (int i = 0; i < 100000; ++i) { GCSFilter::Element element(32); element[0] = static_cast<unsigned char>(i); element[1] = static_cast<unsigned char>(i >> 8); elements.insert(std::move(element)); } + return elements; +} + +static void GCSBlockFilterGetHash(benchmark::Bench& bench) +{ + auto elements = GenerateGCSTestElements(); + + GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements); + BlockFilter block_filter(BlockFilterType::BASIC, {}, filter.GetEncoded(), /*skip_decode_check=*/false); + + bench.run([&] { + block_filter.GetHash(); + }); +} + +static void GCSFilterConstruct(benchmark::Bench& bench) +{ + auto elements = GenerateGCSTestElements(); + uint64_t siphash_k0 = 0; - bench.batch(elements.size()).unit("elem").run([&] { - GCSFilter filter({siphash_k0, 0, 20, 1 << 20}, elements); + bench.run([&]{ + GCSFilter filter({siphash_k0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements); siphash_k0++; }); } -static void MatchGCSFilter(benchmark::Bench& bench) +static void GCSFilterDecode(benchmark::Bench& bench) { - GCSFilter::ElementSet elements; - for (int i = 0; i < 10000; ++i) { - GCSFilter::Element element(32); - element[0] = static_cast<unsigned char>(i); - element[1] = static_cast<unsigned char>(i >> 8); - elements.insert(std::move(element)); - } - GCSFilter filter({0, 0, 20, 1 << 20}, elements); + auto elements = GenerateGCSTestElements(); - bench.unit("elem").run([&] { - filter.Match(GCSFilter::Element()); + GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements); + auto encoded = filter.GetEncoded(); + + bench.run([&] { + GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, encoded, /*skip_decode_check=*/false); }); } -BENCHMARK(ConstructGCSFilter); -BENCHMARK(MatchGCSFilter); +static void GCSFilterDecodeSkipCheck(benchmark::Bench& bench) +{ + auto elements = GenerateGCSTestElements(); + + GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements); + auto encoded = filter.GetEncoded(); + + bench.run([&] { + GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, encoded, /*skip_decode_check=*/true); + }); +} + +static void GCSFilterMatch(benchmark::Bench& bench) +{ + auto elements = GenerateGCSTestElements(); + + GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements); + + bench.run([&] { + filter.Match(GCSFilter::Element()); + }); +} +BENCHMARK(GCSBlockFilterGetHash); +BENCHMARK(GCSFilterConstruct); +BENCHMARK(GCSFilterDecode); +BENCHMARK(GCSFilterDecodeSkipCheck); +BENCHMARK(GCSFilterMatch); |