Bitcoin ABC  0.28.12
P2P Digital Currency
rollingbloom.cpp
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1 // Copyright (c) 2016 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 <bloom.h>
7 
8 static void RollingBloom(benchmark::Bench &bench) {
9  CRollingBloomFilter filter(120000, 0.000001);
10  std::vector<uint8_t> data(32);
11  uint32_t count = 0;
12  bench.run([&] {
13  count++;
14  data[0] = count & 0xFF;
15  data[1] = (count >> 8) & 0xFF;
16  data[2] = (count >> 16) & 0xFF;
17  data[3] = (count >> 24) & 0xFF;
18  filter.insert(data);
19 
20  data[0] = (count >> 24) & 0xFF;
21  data[1] = (count >> 16) & 0xFF;
22  data[2] = (count >> 8) & 0xFF;
23  data[3] = count & 0xFF;
24  filter.contains(data);
25  });
26 }
27 
28 static void RollingBloomReset(benchmark::Bench &bench) {
29  CRollingBloomFilter filter(120000, 0.000001);
30  bench.run([&] { filter.reset(); });
31 }
32 
RollingBloomFilter is a probabilistic "keep track of most recently inserted" set.
Definition: bloom.h:119
bool contains(const std::vector< uint8_t > &vKey) const
Definition: bloom.cpp:268
void insert(const std::vector< uint8_t > &vKey)
Definition: bloom.cpp:229
Main entry point to nanobench's benchmarking facility.
Definition: nanobench.h:616
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1183
static void RollingBloom(benchmark::Bench &bench)
Definition: rollingbloom.cpp:8
BENCHMARK(RollingBloom)
static void RollingBloomReset(benchmark::Bench &bench)
static int count
Definition: tests.c:31