src/bench/crypto_hash.cpp

   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 <iostream>
   6
   7 #include "bench.h"
   8 #include "bloom.h"
   9 #include "hash.h"
  10 #include "uint256.h"
  11 #include "utiltime.h"
  12 #include "crypto/ripemd160.h"
  13 #include "crypto/sha1.h"
  14 #include "crypto/sha256.h"
  15 #include "crypto/sha512.h"
  16
  17 /* Number of bytes to hash per iteration */
  18 static const uint64_t BUFFER_SIZE = 1000*1000;
  19
  20 static void RIPEMD160(benchmark::State& state)
  21 {
  22     uint8_t hash[CRIPEMD160::OUTPUT_SIZE];
  23     std::vector<uint8_t> in(BUFFER_SIZE,0);
  24     while (state.KeepRunning())
  25         CRIPEMD160().Write(in.data(), in.size()).Finalize(hash);
  26 }
  27
  28 static void SHA1(benchmark::State& state)
  29 {
  30     uint8_t hash[CSHA1::OUTPUT_SIZE];
  31     std::vector<uint8_t> in(BUFFER_SIZE,0);
  32     while (state.KeepRunning())
  33         CSHA1().Write(in.data(), in.size()).Finalize(hash);
  34 }
  35
  36 static void SHA256(benchmark::State& state)
  37 {
  38     uint8_t hash[CSHA256::OUTPUT_SIZE];
  39     std::vector<uint8_t> in(BUFFER_SIZE,0);
  40     while (state.KeepRunning())
  41         CSHA256().Write(in.data(), in.size()).Finalize(hash);
  42 }
  43
  44 static void SHA256_32b(benchmark::State& state)
  45 {
  46     std::vector<uint8_t> in(32,0);
  47     while (state.KeepRunning()) {
  48         for (int i = 0; i < 1000000; i++) {
  49             CSHA256().Write(in.data(), in.size()).Finalize(&in[0]);
  50         }
  51     }
  52 }
  53
  54 static void SHA512(benchmark::State& state)
  55 {
  56     uint8_t hash[CSHA512::OUTPUT_SIZE];
  57     std::vector<uint8_t> in(BUFFER_SIZE,0);
  58     while (state.KeepRunning())
  59         CSHA512().Write(in.data(), in.size()).Finalize(hash);
  60 }
  61
  62 static void SipHash_32b(benchmark::State& state)
  63 {
  64     uint256 x;
  65     while (state.KeepRunning()) {
  66         for (int i = 0; i < 1000000; i++) {
  67             *((uint64_t*)x.begin()) = SipHashUint256(0, i, x);
  68         }
  69     }
  70 }
  71
  72 BENCHMARK(RIPEMD160);
  73 BENCHMARK(SHA1);
  74 BENCHMARK(SHA256);
  75 BENCHMARK(SHA512);
  76
  77 BENCHMARK(SHA256_32b);
  78 BENCHMARK(SipHash_32b);