src/bench/checkblock.cpp

   1 // Copyright (c) 2016-2017 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
   7 #include <chainparams.h>
   8 #include <validation.h>
   9 #include <streams.h>
  10 #include <consensus/validation.h>
  11
  12 namespace block_bench {
  13 #include <bench/data/block413567.raw.h>
  14 } // namespace block_bench
  15
  16 // These are the two major time-sinks which happen after we have fully received
  17 // a block off the wire, but before we can relay the block on to peers using
  18 // compact block relay.
  19
  20 static void DeserializeBlockTest(benchmark::State& state)
  21 {
  22     CDataStream stream((const char*)block_bench::block413567,
  23             (const char*)&block_bench::block413567[sizeof(block_bench::block413567)],
  24             SER_NETWORK, PROTOCOL_VERSION);
  25     char a = '\0';
  26     stream.write(&a, 1); // Prevent compaction
  27
  28     while (state.KeepRunning()) {
  29         CBlock block;
  30         stream >> block;
  31         assert(stream.Rewind(sizeof(block_bench::block413567)));
  32     }
  33 }
  34
  35 static void DeserializeAndCheckBlockTest(benchmark::State& state)
  36 {
  37     CDataStream stream((const char*)block_bench::block413567,
  38             (const char*)&block_bench::block413567[sizeof(block_bench::block413567)],
  39             SER_NETWORK, PROTOCOL_VERSION);
  40     char a = '\0';
  41     stream.write(&a, 1); // Prevent compaction
  42
  43     const auto chainParams = CreateChainParams(CBaseChainParams::MAIN);
  44
  45     while (state.KeepRunning()) {
  46         CBlock block; // Note that CBlock caches its checked state, so we need to recreate it here
  47         stream >> block;
  48         assert(stream.Rewind(sizeof(block_bench::block413567)));
  49
  50         CValidationState validationState;
  51         assert(CheckBlock(block, validationState, chainParams->GetConsensus()));
  52     }
  53 }
  54
  55 BENCHMARK(DeserializeBlockTest, 130);
  56 BENCHMARK(DeserializeAndCheckBlockTest, 160);