diff options
| -rw-r--r-- | src/Makefile.bench.include | 1 | ||||
| -rw-r--r-- | src/bench/chacha20.cpp | 46 |
2 files changed, 47 insertions, 0 deletions
diff --git a/src/Makefile.bench.include b/src/Makefile.bench.include index 5e787ca222..4b3a6ff99e 100644 --- a/src/Makefile.bench.include +++ b/src/Makefile.bench.include @@ -21,6 +21,7 @@ bench_bench_bitcoin_SOURCES = \ bench/duplicate_inputs.cpp \ bench/examples.cpp \ bench/rollingbloom.cpp \ + bench/chacha20.cpp \ bench/crypto_hash.cpp \ bench/ccoins_caching.cpp \ bench/gcs_filter.cpp \ diff --git a/src/bench/chacha20.cpp b/src/bench/chacha20.cpp new file mode 100644 index 0000000000..69d8c96ec0 --- /dev/null +++ b/src/bench/chacha20.cpp @@ -0,0 +1,46 @@ +// Copyright (c) 2019 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/bench.h> +#include <hash.h> +#include <crypto/chacha20.h> + +/* Number of bytes to process per iteration */ +static const uint64_t BUFFER_SIZE_TINY = 64; +static const uint64_t BUFFER_SIZE_SMALL = 256; +static const uint64_t BUFFER_SIZE_LARGE = 1024*1024; + +static void CHACHA20(benchmark::State& state, size_t buffersize) +{ + std::vector<uint8_t> key(32,0); + ChaCha20 ctx(key.data(), key.size()); + ctx.SetIV(0); + ctx.Seek(0); + std::vector<uint8_t> in(buffersize,0); + std::vector<uint8_t> out(buffersize,0); + while (state.KeepRunning()) { + ctx.Crypt(in.data(), out.data(), in.size()); + } +} + +static void CHACHA20_64BYTES(benchmark::State& state) +{ + CHACHA20(state, BUFFER_SIZE_TINY); +} + +static void CHACHA20_256BYTES(benchmark::State& state) +{ + CHACHA20(state, BUFFER_SIZE_SMALL); +} + +static void CHACHA20_1MB(benchmark::State& state) +{ + CHACHA20(state, BUFFER_SIZE_LARGE); +} + +BENCHMARK(CHACHA20_64BYTES, 500000); +BENCHMARK(CHACHA20_256BYTES, 250000); +BENCHMARK(CHACHA20_1MB, 340); |