diff options
| -rw-r--r-- | src/Makefile.bench.include | 3 | ||||
| -rw-r--r-- | src/bench/rollingbloom.cpp | 43 |
2 files changed, 45 insertions, 1 deletions
diff --git a/src/Makefile.bench.include b/src/Makefile.bench.include index 8e7b59b461..24e2b3e0c8 100644 --- a/src/Makefile.bench.include +++ b/src/Makefile.bench.include @@ -7,7 +7,8 @@ bench_bench_bitcoin_SOURCES = \ bench/bench_bitcoin.cpp \ bench/bench.cpp \ bench/bench.h \ - bench/Examples.cpp + bench/Examples.cpp \ + bench/rollingbloom.cpp bench_bench_bitcoin_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(EVENT_CLFAGS) $(EVENT_PTHREADS_CFLAGS) -I$(builddir)/bench/ bench_bench_bitcoin_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) diff --git a/src/bench/rollingbloom.cpp b/src/bench/rollingbloom.cpp new file mode 100644 index 0000000000..73c02cf718 --- /dev/null +++ b/src/bench/rollingbloom.cpp @@ -0,0 +1,43 @@ +// Copyright (c) 2016 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include <iostream> + +#include "bench.h" +#include "bloom.h" +#include "utiltime.h" + +static void RollingBloom(benchmark::State& state) +{ + CRollingBloomFilter filter(120000, 0.000001); + std::vector<unsigned char> data(32); + uint32_t count = 0; + uint32_t nEntriesPerGeneration = (120000 + 1) / 2; + uint32_t countnow = 0; + uint64_t match = 0; + while (state.KeepRunning()) { + count++; + data[0] = count; + data[1] = count >> 8; + data[2] = count >> 16; + data[3] = count >> 24; + if (countnow == nEntriesPerGeneration) { + int64_t b = GetTimeMicros(); + filter.insert(data); + int64_t e = GetTimeMicros(); + std::cout << "RollingBloom-refresh,1," << (e-b)*0.000001 << "," << (e-b)*0.000001 << "," << (e-b)*0.000001 << "\n"; + countnow = 0; + } else { + filter.insert(data); + } + countnow++; + data[0] = count >> 24; + data[1] = count >> 16; + data[2] = count >> 8; + data[3] = count; + match += filter.contains(data); + } +} + +BENCHMARK(RollingBloom); |