Bitcoin ABC  0.24.7
P2P Digital Currency
gcs_filter.cpp
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1 // Copyright (c) 2018 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #include <bench/bench.h>
6 #include <blockfilter.h>
7 
8 static void ConstructGCSFilter(benchmark::Bench &bench) {
10  for (int i = 0; i < 10000; ++i) {
11  GCSFilter::Element element(32);
12  element[0] = static_cast<uint8_t>(i);
13  element[1] = static_cast<uint8_t>(i >> 8);
14  elements.insert(std::move(element));
15  }
16 
17  uint64_t siphash_k0 = 0;
18  bench.batch(elements.size()).unit("elem").run([&] {
19  GCSFilter filter({siphash_k0, 0, 20, 1 << 20}, elements);
20 
21  siphash_k0++;
22  });
23 }
24 
25 static void MatchGCSFilter(benchmark::Bench &bench) {
27  for (int i = 0; i < 10000; ++i) {
28  GCSFilter::Element element(32);
29  element[0] = static_cast<uint8_t>(i);
30  element[1] = static_cast<uint8_t>(i >> 8);
31  elements.insert(std::move(element));
32  }
33  GCSFilter filter({0, 0, 20, 1 << 20}, elements);
34 
35  bench.unit("elem").run([&] { filter.Match(GCSFilter::Element()); });
36 }
37 
ankerl::nanobench::Bench::batch
ANKERL_NANOBENCH(NODISCARD) std Bench & batch(T b) noexcept
Sets the batch size.
BENCHMARK
BENCHMARK(ConstructGCSFilter)
elements
static unsigned char elements[DATACOUNT][DATALEN]
Definition: tests_impl.h:36
ankerl::nanobench::Bench
Main entry point to nanobench's benchmarking facility.
Definition: nanobench.h:583
MatchGCSFilter
static void MatchGCSFilter(benchmark::Bench &bench)
Definition: gcs_filter.cpp:25
GCSFilter
This implements a Golomb-coded set as defined in BIP 158.
Definition: blockfilter.h:25
blockfilter.h
ankerl::nanobench::Bench::run
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1134
ankerl::nanobench::Bench::unit
Bench & unit(char const *unit)
Sets the operation unit.
bench.h
GCSFilter::ElementSet
std::unordered_set< Element, ByteVectorHash > ElementSet
Definition: blockfilter.h:28
ConstructGCSFilter
static void ConstructGCSFilter(benchmark::Bench &bench)
Definition: gcs_filter.cpp:8
GCSFilter::Element
std::vector< uint8_t > Element
Definition: blockfilter.h:27