| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| /* Test various closure related operations */ |
| |
| #include <grpc/grpc.h> |
| |
| extern "C" { |
| #include "src/core/lib/iomgr/closure.h" |
| #include "src/core/lib/iomgr/combiner.h" |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| } |
| |
| #include "third_party/benchmark/include/benchmark/benchmark.h" |
| |
| static class InitializeStuff { |
| public: |
| InitializeStuff() { grpc_init(); } |
| ~InitializeStuff() { grpc_shutdown(); } |
| } initialize_stuff; |
| |
| static void BM_NoOpExecCtx(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| } |
| BENCHMARK(BM_NoOpExecCtx); |
| |
| static void BM_WellFlushed(benchmark::State& state) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_WellFlushed); |
| |
| static void DoNothing(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) {} |
| |
| static void BM_ClosureInitAgainstExecCtx(benchmark::State& state) { |
| grpc_closure c; |
| while (state.KeepRunning()) { |
| benchmark::DoNotOptimize( |
| grpc_closure_init(&c, DoNothing, NULL, grpc_schedule_on_exec_ctx)); |
| } |
| } |
| BENCHMARK(BM_ClosureInitAgainstExecCtx); |
| |
| static void BM_ClosureInitAgainstCombiner(benchmark::State& state) { |
| grpc_combiner* combiner = grpc_combiner_create(NULL); |
| grpc_closure c; |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| benchmark::DoNotOptimize(grpc_closure_init( |
| &c, DoNothing, NULL, grpc_combiner_scheduler(combiner, false))); |
| } |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureInitAgainstCombiner); |
| |
| static void BM_ClosureRunOnExecCtx(benchmark::State& state) { |
| grpc_closure c; |
| grpc_closure_init(&c, DoNothing, NULL, grpc_schedule_on_exec_ctx); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_run(&exec_ctx, &c, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureRunOnExecCtx); |
| |
| static void BM_ClosureCreateAndRun(benchmark::State& state) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_run(&exec_ctx, grpc_closure_create(DoNothing, NULL, |
| grpc_schedule_on_exec_ctx), |
| GRPC_ERROR_NONE); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureCreateAndRun); |
| |
| static void BM_ClosureInitAndRun(benchmark::State& state) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_closure c; |
| while (state.KeepRunning()) { |
| grpc_closure_run(&exec_ctx, grpc_closure_init(&c, DoNothing, NULL, |
| grpc_schedule_on_exec_ctx), |
| GRPC_ERROR_NONE); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureInitAndRun); |
| |
| static void BM_ClosureSchedOnExecCtx(benchmark::State& state) { |
| grpc_closure c; |
| grpc_closure_init(&c, DoNothing, NULL, grpc_schedule_on_exec_ctx); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSchedOnExecCtx); |
| |
| static void BM_ClosureSched2OnExecCtx(benchmark::State& state) { |
| grpc_closure c1; |
| grpc_closure c2; |
| grpc_closure_init(&c1, DoNothing, NULL, grpc_schedule_on_exec_ctx); |
| grpc_closure_init(&c2, DoNothing, NULL, grpc_schedule_on_exec_ctx); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c1, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c2, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSched2OnExecCtx); |
| |
| static void BM_ClosureSched3OnExecCtx(benchmark::State& state) { |
| grpc_closure c1; |
| grpc_closure c2; |
| grpc_closure c3; |
| grpc_closure_init(&c1, DoNothing, NULL, grpc_schedule_on_exec_ctx); |
| grpc_closure_init(&c2, DoNothing, NULL, grpc_schedule_on_exec_ctx); |
| grpc_closure_init(&c3, DoNothing, NULL, grpc_schedule_on_exec_ctx); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c1, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c2, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c3, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSched3OnExecCtx); |
| |
| static void BM_AcquireMutex(benchmark::State& state) { |
| // for comparison with the combiner stuff below |
| gpr_mu mu; |
| gpr_mu_init(&mu); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| gpr_mu_lock(&mu); |
| DoNothing(&exec_ctx, NULL, GRPC_ERROR_NONE); |
| gpr_mu_unlock(&mu); |
| } |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_AcquireMutex); |
| |
| static void BM_ClosureSchedOnCombiner(benchmark::State& state) { |
| grpc_combiner* combiner = grpc_combiner_create(NULL); |
| grpc_closure c; |
| grpc_closure_init(&c, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner, false)); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSchedOnCombiner); |
| |
| static void BM_ClosureSched2OnCombiner(benchmark::State& state) { |
| grpc_combiner* combiner = grpc_combiner_create(NULL); |
| grpc_closure c1; |
| grpc_closure c2; |
| grpc_closure_init(&c1, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner, false)); |
| grpc_closure_init(&c2, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner, false)); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c1, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c2, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSched2OnCombiner); |
| |
| static void BM_ClosureSched3OnCombiner(benchmark::State& state) { |
| grpc_combiner* combiner = grpc_combiner_create(NULL); |
| grpc_closure c1; |
| grpc_closure c2; |
| grpc_closure c3; |
| grpc_closure_init(&c1, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner, false)); |
| grpc_closure_init(&c2, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner, false)); |
| grpc_closure_init(&c3, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner, false)); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c1, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c2, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c3, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSched3OnCombiner); |
| |
| static void BM_ClosureSched2OnTwoCombiners(benchmark::State& state) { |
| grpc_combiner* combiner1 = grpc_combiner_create(NULL); |
| grpc_combiner* combiner2 = grpc_combiner_create(NULL); |
| grpc_closure c1; |
| grpc_closure c2; |
| grpc_closure_init(&c1, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner1, false)); |
| grpc_closure_init(&c2, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner2, false)); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c1, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c2, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner1, "finished"); |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner2, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSched2OnTwoCombiners); |
| |
| static void BM_ClosureSched4OnTwoCombiners(benchmark::State& state) { |
| grpc_combiner* combiner1 = grpc_combiner_create(NULL); |
| grpc_combiner* combiner2 = grpc_combiner_create(NULL); |
| grpc_closure c1; |
| grpc_closure c2; |
| grpc_closure c3; |
| grpc_closure c4; |
| grpc_closure_init(&c1, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner1, false)); |
| grpc_closure_init(&c2, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner2, false)); |
| grpc_closure_init(&c3, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner1, false)); |
| grpc_closure_init(&c4, DoNothing, NULL, |
| grpc_combiner_scheduler(combiner2, false)); |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| while (state.KeepRunning()) { |
| grpc_closure_sched(&exec_ctx, &c1, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c2, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c3, GRPC_ERROR_NONE); |
| grpc_closure_sched(&exec_ctx, &c4, GRPC_ERROR_NONE); |
| grpc_exec_ctx_flush(&exec_ctx); |
| } |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner1, "finished"); |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner2, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureSched4OnTwoCombiners); |
| |
| // Helper that continuously reschedules the same closure against something until |
| // the benchmark is complete |
| class Rescheduler { |
| public: |
| Rescheduler(benchmark::State& state, grpc_closure_scheduler* scheduler) |
| : state_(state) { |
| grpc_closure_init(&closure_, Step, this, scheduler); |
| } |
| |
| void ScheduleFirst(grpc_exec_ctx* exec_ctx) { |
| grpc_closure_sched(exec_ctx, &closure_, GRPC_ERROR_NONE); |
| } |
| |
| void ScheduleFirstAgainstDifferentScheduler( |
| grpc_exec_ctx* exec_ctx, grpc_closure_scheduler* scheduler) { |
| grpc_closure_sched(exec_ctx, grpc_closure_create(Step, this, scheduler), |
| GRPC_ERROR_NONE); |
| } |
| |
| private: |
| benchmark::State& state_; |
| grpc_closure closure_; |
| |
| static void Step(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { |
| Rescheduler* self = static_cast<Rescheduler*>(arg); |
| if (self->state_.KeepRunning()) { |
| grpc_closure_sched(exec_ctx, &self->closure_, GRPC_ERROR_NONE); |
| } |
| } |
| }; |
| |
| static void BM_ClosureReschedOnExecCtx(benchmark::State& state) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| Rescheduler r(state, grpc_schedule_on_exec_ctx); |
| r.ScheduleFirst(&exec_ctx); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureReschedOnExecCtx); |
| |
| static void BM_ClosureReschedOnCombiner(benchmark::State& state) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_combiner* combiner = grpc_combiner_create(NULL); |
| Rescheduler r(state, grpc_combiner_scheduler(combiner, false)); |
| r.ScheduleFirst(&exec_ctx); |
| grpc_exec_ctx_flush(&exec_ctx); |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureReschedOnCombiner); |
| |
| static void BM_ClosureReschedOnCombinerFinally(benchmark::State& state) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_combiner* combiner = grpc_combiner_create(NULL); |
| Rescheduler r(state, grpc_combiner_finally_scheduler(combiner, false)); |
| r.ScheduleFirstAgainstDifferentScheduler( |
| &exec_ctx, grpc_combiner_scheduler(combiner, false)); |
| grpc_exec_ctx_flush(&exec_ctx); |
| GRPC_COMBINER_UNREF(&exec_ctx, combiner, "finished"); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| BENCHMARK(BM_ClosureReschedOnCombinerFinally); |
| |
| BENCHMARK_MAIN(); |