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//
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//
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// Copyright 2017 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//
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// Test various closure related operations
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#include <sstream>
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#include <benchmark/benchmark.h>
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#include <grpc/grpc.h>
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#include "src/core/lib/gpr/spinlock.h"
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#include "src/core/lib/iomgr/closure.h"
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#include "src/core/lib/iomgr/combiner.h"
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#include "src/core/lib/iomgr/exec_ctx.h"
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#include "test/core/util/test_config.h"
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#include "test/cpp/microbenchmarks/helpers.h"
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#include "test/cpp/util/test_config.h"
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static void BM_NoOpExecCtx(benchmark::State& state) {
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for (auto _ : state) {
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grpc_core::ExecCtx exec_ctx;
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}
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}
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BENCHMARK(BM_NoOpExecCtx);
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static void BM_WellFlushed(benchmark::State& state) {
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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grpc_core::ExecCtx::Get()->Flush();
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}
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}
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BENCHMARK(BM_WellFlushed);
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static void DoNothing(void* /*arg*/, grpc_error_handle /*error*/) {}
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static void BM_ClosureInitAgainstExecCtx(benchmark::State& state) {
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grpc_closure c;
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for (auto _ : state) {
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benchmark::DoNotOptimize(
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GRPC_CLOSURE_INIT(&c, DoNothing, nullptr, grpc_schedule_on_exec_ctx));
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}
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}
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BENCHMARK(BM_ClosureInitAgainstExecCtx);
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static void BM_ClosureInitAgainstCombiner(benchmark::State& state) {
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grpc_core::Combiner* combiner = grpc_combiner_create(
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grpc_event_engine::experimental::CreateEventEngine());
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grpc_closure c;
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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benchmark::DoNotOptimize(
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GRPC_CLOSURE_INIT(&c, DoNothing, nullptr, nullptr));
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}
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GRPC_COMBINER_UNREF(combiner, "finished");
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}
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BENCHMARK(BM_ClosureInitAgainstCombiner);
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static void BM_ClosureRun(benchmark::State& state) {
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grpc_closure c;
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GRPC_CLOSURE_INIT(&c, DoNothing, nullptr, grpc_schedule_on_exec_ctx);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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grpc_core::Closure::Run(DEBUG_LOCATION, &c, absl::OkStatus());
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}
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}
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BENCHMARK(BM_ClosureRun);
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static void BM_ClosureCreateAndRun(benchmark::State& state) {
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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grpc_core::Closure::Run(
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DEBUG_LOCATION,
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GRPC_CLOSURE_CREATE(DoNothing, nullptr, grpc_schedule_on_exec_ctx),
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absl::OkStatus());
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}
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}
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BENCHMARK(BM_ClosureCreateAndRun);
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static void BM_ClosureInitAndRun(benchmark::State& state) {
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grpc_core::ExecCtx exec_ctx;
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grpc_closure c;
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for (auto _ : state) {
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grpc_core::Closure::Run(
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DEBUG_LOCATION,
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GRPC_CLOSURE_INIT(&c, DoNothing, nullptr, grpc_schedule_on_exec_ctx),
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absl::OkStatus());
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}
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}
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BENCHMARK(BM_ClosureInitAndRun);
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static void BM_ClosureSchedOnExecCtx(benchmark::State& state) {
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grpc_closure c;
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GRPC_CLOSURE_INIT(&c, DoNothing, nullptr, grpc_schedule_on_exec_ctx);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &c, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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}
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BENCHMARK(BM_ClosureSchedOnExecCtx);
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static void BM_ClosureSched2OnExecCtx(benchmark::State& state) {
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grpc_closure c1;
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grpc_closure c2;
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GRPC_CLOSURE_INIT(&c1, DoNothing, nullptr, grpc_schedule_on_exec_ctx);
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GRPC_CLOSURE_INIT(&c2, DoNothing, nullptr, grpc_schedule_on_exec_ctx);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &c1, absl::OkStatus());
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &c2, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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}
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BENCHMARK(BM_ClosureSched2OnExecCtx);
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static void BM_ClosureSched3OnExecCtx(benchmark::State& state) {
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grpc_closure c1;
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grpc_closure c2;
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grpc_closure c3;
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GRPC_CLOSURE_INIT(&c1, DoNothing, nullptr, grpc_schedule_on_exec_ctx);
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GRPC_CLOSURE_INIT(&c2, DoNothing, nullptr, grpc_schedule_on_exec_ctx);
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GRPC_CLOSURE_INIT(&c3, DoNothing, nullptr, grpc_schedule_on_exec_ctx);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &c1, absl::OkStatus());
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &c2, absl::OkStatus());
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &c3, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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}
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BENCHMARK(BM_ClosureSched3OnExecCtx);
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static void BM_AcquireMutex(benchmark::State& state) {
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// for comparison with the combiner stuff below
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gpr_mu mu;
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gpr_mu_init(&mu);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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gpr_mu_lock(&mu);
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DoNothing(nullptr, absl::OkStatus());
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gpr_mu_unlock(&mu);
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}
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gpr_mu_destroy(&mu);
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}
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BENCHMARK(BM_AcquireMutex);
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static void BM_TryAcquireMutex(benchmark::State& state) {
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// for comparison with the combiner stuff below
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gpr_mu mu;
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gpr_mu_init(&mu);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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if (gpr_mu_trylock(&mu)) {
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DoNothing(nullptr, absl::OkStatus());
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gpr_mu_unlock(&mu);
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} else {
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abort();
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}
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}
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gpr_mu_destroy(&mu);
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}
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BENCHMARK(BM_TryAcquireMutex);
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static void BM_AcquireSpinlock(benchmark::State& state) {
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// for comparison with the combiner stuff below
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gpr_spinlock mu = GPR_SPINLOCK_INITIALIZER;
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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gpr_spinlock_lock(&mu);
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DoNothing(nullptr, absl::OkStatus());
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gpr_spinlock_unlock(&mu);
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}
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}
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BENCHMARK(BM_AcquireSpinlock);
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static void BM_TryAcquireSpinlock(benchmark::State& state) {
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// for comparison with the combiner stuff below
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gpr_spinlock mu = GPR_SPINLOCK_INITIALIZER;
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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if (gpr_spinlock_trylock(&mu)) {
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DoNothing(nullptr, absl::OkStatus());
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gpr_spinlock_unlock(&mu);
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} else {
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abort();
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}
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}
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}
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BENCHMARK(BM_TryAcquireSpinlock);
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static void BM_ClosureSchedOnCombiner(benchmark::State& state) {
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grpc_core::Combiner* combiner = grpc_combiner_create(
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grpc_event_engine::experimental::CreateEventEngine());
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grpc_closure c;
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GRPC_CLOSURE_INIT(&c, DoNothing, nullptr, nullptr);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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combiner->Run(&c, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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GRPC_COMBINER_UNREF(combiner, "finished");
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}
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BENCHMARK(BM_ClosureSchedOnCombiner);
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static void BM_ClosureSched2OnCombiner(benchmark::State& state) {
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grpc_core::Combiner* combiner = grpc_combiner_create(
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grpc_event_engine::experimental::CreateEventEngine());
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grpc_closure c1;
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grpc_closure c2;
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GRPC_CLOSURE_INIT(&c1, DoNothing, nullptr, nullptr);
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GRPC_CLOSURE_INIT(&c2, DoNothing, nullptr, nullptr);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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combiner->Run(&c1, absl::OkStatus());
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combiner->Run(&c2, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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GRPC_COMBINER_UNREF(combiner, "finished");
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}
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BENCHMARK(BM_ClosureSched2OnCombiner);
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static void BM_ClosureSched3OnCombiner(benchmark::State& state) {
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grpc_core::Combiner* combiner = grpc_combiner_create(
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grpc_event_engine::experimental::CreateEventEngine());
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grpc_closure c1;
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grpc_closure c2;
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grpc_closure c3;
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GRPC_CLOSURE_INIT(&c1, DoNothing, nullptr, nullptr);
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GRPC_CLOSURE_INIT(&c2, DoNothing, nullptr, nullptr);
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GRPC_CLOSURE_INIT(&c3, DoNothing, nullptr, nullptr);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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combiner->Run(&c1, absl::OkStatus());
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combiner->Run(&c2, absl::OkStatus());
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combiner->Run(&c3, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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GRPC_COMBINER_UNREF(combiner, "finished");
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}
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BENCHMARK(BM_ClosureSched3OnCombiner);
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static void BM_ClosureSched2OnTwoCombiners(benchmark::State& state) {
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std::shared_ptr<grpc_event_engine::experimental::EventEngine> engine =
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grpc_event_engine::experimental::CreateEventEngine();
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grpc_core::Combiner* combiner1 = grpc_combiner_create(engine);
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grpc_core::Combiner* combiner2 = grpc_combiner_create(engine);
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grpc_closure c1;
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grpc_closure c2;
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GRPC_CLOSURE_INIT(&c1, DoNothing, nullptr, nullptr);
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GRPC_CLOSURE_INIT(&c2, DoNothing, nullptr, nullptr);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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combiner1->Run(&c1, absl::OkStatus());
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combiner2->Run(&c2, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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GRPC_COMBINER_UNREF(combiner1, "finished");
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GRPC_COMBINER_UNREF(combiner2, "finished");
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}
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BENCHMARK(BM_ClosureSched2OnTwoCombiners);
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static void BM_ClosureSched4OnTwoCombiners(benchmark::State& state) {
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std::shared_ptr<grpc_event_engine::experimental::EventEngine> engine =
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grpc_event_engine::experimental::CreateEventEngine();
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grpc_core::Combiner* combiner1 = grpc_combiner_create(engine);
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grpc_core::Combiner* combiner2 = grpc_combiner_create(engine);
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grpc_closure c1;
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grpc_closure c2;
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grpc_closure c3;
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grpc_closure c4;
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GRPC_CLOSURE_INIT(&c1, DoNothing, nullptr, nullptr);
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GRPC_CLOSURE_INIT(&c2, DoNothing, nullptr, nullptr);
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GRPC_CLOSURE_INIT(&c3, DoNothing, nullptr, nullptr);
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GRPC_CLOSURE_INIT(&c4, DoNothing, nullptr, nullptr);
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grpc_core::ExecCtx exec_ctx;
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for (auto _ : state) {
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combiner1->Run(&c1, absl::OkStatus());
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combiner2->Run(&c2, absl::OkStatus());
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combiner1->Run(&c3, absl::OkStatus());
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combiner2->Run(&c4, absl::OkStatus());
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grpc_core::ExecCtx::Get()->Flush();
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}
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GRPC_COMBINER_UNREF(combiner1, "finished");
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GRPC_COMBINER_UNREF(combiner2, "finished");
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}
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BENCHMARK(BM_ClosureSched4OnTwoCombiners);
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// Helper that continuously reschedules the same closure against something until
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// the benchmark is complete
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class Rescheduler {
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public:
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explicit Rescheduler(benchmark::State& state) : state_(state) {
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GRPC_CLOSURE_INIT(&closure_, Step, this, nullptr);
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}
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void ScheduleFirst() {
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &closure_, absl::OkStatus());
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}
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void ScheduleFirstAgainstDifferentScheduler() {
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grpc_core::ExecCtx::Run(DEBUG_LOCATION,
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GRPC_CLOSURE_CREATE(Step, this, nullptr),
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absl::OkStatus());
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}
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private:
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benchmark::State& state_;
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grpc_closure closure_;
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static void Step(void* arg, grpc_error_handle /*error*/) {
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Rescheduler* self = static_cast<Rescheduler*>(arg);
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if (self->state_.KeepRunning()) {
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grpc_core::ExecCtx::Run(DEBUG_LOCATION, &self->closure_,
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absl::OkStatus());
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}
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}
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};
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static void BM_ClosureReschedOnExecCtx(benchmark::State& state) {
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grpc_core::ExecCtx exec_ctx;
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Rescheduler r(state);
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r.ScheduleFirst();
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grpc_core::ExecCtx::Get()->Flush();
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|
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}
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|
|
|
BENCHMARK(BM_ClosureReschedOnExecCtx);
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|
|
|
|
|
|
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// Some distros have RunSpecifiedBenchmarks under the benchmark namespace,
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|
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|
// and others do not. This allows us to support both modes.
|
|
|
|
namespace benchmark {
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|
|
|
void RunTheBenchmarksNamespaced() { RunSpecifiedBenchmarks(); }
|
|
|
|
} // namespace benchmark
|
|
|
|
|
|
|
|
int main(int argc, char** argv) {
|
|
|
|
grpc::testing::TestEnvironment env(&argc, argv);
|
|
|
|
LibraryInitializer libInit;
|
|
|
|
::benchmark::Initialize(&argc, argv);
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|
|
|
grpc::testing::InitTest(&argc, &argv, false);
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|
|
|
benchmark::RunTheBenchmarksNamespaced();
|
|
|
|
return 0;
|
|
|
|
}
|