Bitcoin ABC 0.30.7
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
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
25static 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
This implements a Golomb-coded set as defined in BIP 158.
Definition: blockfilter.h:25
std::unordered_set< Element, ByteVectorHash > ElementSet
Definition: blockfilter.h:28
std::vector< uint8_t > Element
Definition: blockfilter.h:27
Main entry point to nanobench's benchmarking facility.
Definition: nanobench.h:616
ANKERL_NANOBENCH(NODISCARD) std Bench & batch(T b) noexcept
Sets the batch size.
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1183
Bench & unit(char const *unit)
Sets the operation unit.
static void ConstructGCSFilter(benchmark::Bench &bench)
Definition: gcs_filter.cpp:8
static void MatchGCSFilter(benchmark::Bench &bench)
Definition: gcs_filter.cpp:25
BENCHMARK(ConstructGCSFilter)
static unsigned char elements[DATACOUNT][DATALEN]
Definition: tests_impl.h:36