diff options
Diffstat (limited to 'src/bench/checkqueue.cpp')
-rw-r--r-- | src/bench/checkqueue.cpp | 47 |
1 files changed, 3 insertions, 44 deletions
diff --git a/src/bench/checkqueue.cpp b/src/bench/checkqueue.cpp index 7e63e820db..6e816f1bec 100644 --- a/src/bench/checkqueue.cpp +++ b/src/bench/checkqueue.cpp @@ -1,4 +1,4 @@ -// Copyright (c) 2015 The Bitcoin Core developers +// Copyright (c) 2015-2017 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -12,51 +12,11 @@ #include <random.h> -// This Benchmark tests the CheckQueue with the lightest -// weight Checks, so it should make any lock contention -// particularly visible static const int MIN_CORES = 2; static const size_t BATCHES = 101; static const size_t BATCH_SIZE = 30; static const int PREVECTOR_SIZE = 28; -static const int QUEUE_BATCH_SIZE = 128; -static void CCheckQueueSpeed(benchmark::State& state) -{ - struct FakeJobNoWork { - bool operator()() - { - return true; - } - void swap(FakeJobNoWork& x){}; - }; - CCheckQueue<FakeJobNoWork> queue {QUEUE_BATCH_SIZE}; - boost::thread_group tg; - for (auto x = 0; x < std::max(MIN_CORES, GetNumCores()); ++x) { - tg.create_thread([&]{queue.Thread();}); - } - while (state.KeepRunning()) { - CCheckQueueControl<FakeJobNoWork> control(&queue); - - // We call Add a number of times to simulate the behavior of adding - // a block of transactions at once. - - std::vector<std::vector<FakeJobNoWork>> vBatches(BATCHES); - for (auto& vChecks : vBatches) { - vChecks.resize(BATCH_SIZE); - } - for (auto& vChecks : vBatches) { - // We can't make vChecks in the inner loop because we want to measure - // the cost of getting the memory to each thread and we might get the same - // memory - control.Add(vChecks); - } - // control waits for completion by RAII, but - // it is done explicitly here for clarity - control.Wait(); - } - tg.interrupt_all(); - tg.join_all(); -} +static const unsigned int QUEUE_BATCH_SIZE = 128; // This Benchmark tests the CheckQueue with a slightly realistic workload, // where checks all contain a prevector that is indirect 50% of the time @@ -99,5 +59,4 @@ static void CCheckQueueSpeedPrevectorJob(benchmark::State& state) tg.interrupt_all(); tg.join_all(); } -BENCHMARK(CCheckQueueSpeed); -BENCHMARK(CCheckQueueSpeedPrevectorJob); +BENCHMARK(CCheckQueueSpeedPrevectorJob, 1400); |