Bitcoin Core  0.20.99
P2P Digital Currency
rollingbloom.cpp
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1 // Copyright (c) 2016-2019 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 
6 #include <bench/bench.h>
7 #include <bloom.h>
8 
9 static void RollingBloom(benchmark::Bench& bench)
10 {
11  CRollingBloomFilter filter(120000, 0.000001);
12  std::vector<unsigned char> data(32);
13  uint32_t count = 0;
14  bench.run([&] {
15  count++;
16  data[0] = count;
17  data[1] = count >> 8;
18  data[2] = count >> 16;
19  data[3] = count >> 24;
20  filter.insert(data);
21 
22  data[0] = count >> 24;
23  data[1] = count >> 16;
24  data[2] = count >> 8;
25  data[3] = count;
26  filter.contains(data);
27  });
28 }
29 
31 {
32  CRollingBloomFilter filter(120000, 0.000001);
33  bench.run([&] {
34  filter.reset();
35  });
36 }
37 
static void RollingBloom(benchmark::Bench &bench)
Definition: rollingbloom.cpp:9
void insert(const std::vector< unsigned char > &vKey)
Definition: bloom.cpp:213
static void RollingBloomReset(benchmark::Bench &bench)
RollingBloomFilter is a probabilistic "keep track of most recently inserted" set. ...
Definition: bloom.h:99
bool contains(const std::vector< unsigned char > &vKey) const
Definition: bloom.cpp:250
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1134
static int count
Definition: tests.c:35
Main entry point to nanobench&#39;s benchmarking facility.
Definition: nanobench.h:583
BENCHMARK(RollingBloom)