From 760af84072408ba53d009e868fccc25fb186d40c Mon Sep 17 00:00:00 2001 From: Martin Ankerl Date: Wed, 20 Dec 2017 19:53:28 +0100 Subject: [PATCH] Removed CCheckQueueSpeed benchmark This benchmark's runtime was rather unpredictive on different machines, not really a useful benchmark. --- src/bench/checkqueue.cpp | 41 ---------------------------------------- 1 file changed, 41 deletions(-) diff --git a/src/bench/checkqueue.cpp b/src/bench/checkqueue.cpp index e79c986792..4d41e28db6 100644 --- a/src/bench/checkqueue.cpp +++ b/src/bench/checkqueue.cpp @@ -12,51 +12,11 @@ #include -// 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 unsigned int QUEUE_BATCH_SIZE = 128; -static void CCheckQueueSpeed(benchmark::State& state) -{ - struct FakeJobNoWork { - bool operator()() - { - return true; - } - void swap(FakeJobNoWork& x){}; - }; - CCheckQueue 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 control(&queue); - - // We call Add a number of times to simulate the behavior of adding - // a block of transactions at once. - - std::vector> 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(); -} // 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, 29000); BENCHMARK(CCheckQueueSpeedPrevectorJob, 1400);