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+/*
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+ *
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+ * Copyright 2015, Google Inc.
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are
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+ * met:
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+ *
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+ * * Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ * * Redistributions in binary form must reproduce the above
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+ * copyright notice, this list of conditions and the following disclaimer
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+ * in the documentation and/or other materials provided with the
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+ * distribution.
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+ * * Neither the name of Google Inc. nor the names of its
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+ * contributors may be used to endorse or promote products derived from
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+ * this software without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ *
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+ */
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+
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+/* Test out various metadata handling primitives */
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+
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+#include <grpc/grpc.h>
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+
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+extern "C" {
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+#include "src/core/lib/transport/metadata.h"
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+#include "src/core/lib/transport/static_metadata.h"
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+}
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+
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+#include "third_party/benchmark/include/benchmark/benchmark.h"
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+
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+static class InitializeStuff {
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+ public:
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+ InitializeStuff() { grpc_init(); }
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+ ~InitializeStuff() { grpc_shutdown(); }
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+} initialize_stuff;
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+
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+static void BM_SliceFromStatic(benchmark::State& state) {
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+ while (state.KeepRunning()) {
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+ benchmark::DoNotOptimize(grpc_slice_from_static_string("abc"));
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+ }
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+}
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+BENCHMARK(BM_SliceFromStatic);
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+
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+static void BM_SliceFromCopied(benchmark::State& state) {
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+ while (state.KeepRunning()) {
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+ grpc_slice_unref(grpc_slice_from_copied_string("abc"));
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+ }
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+}
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+BENCHMARK(BM_SliceFromCopied);
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+
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+static void BM_SliceIntern(benchmark::State& state) {
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+ gpr_slice slice = grpc_slice_from_static_string("abc");
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+ while (state.KeepRunning()) {
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+ grpc_slice_unref(grpc_slice_intern(slice));
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+ }
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+}
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+BENCHMARK(BM_SliceIntern);
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+
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+static void BM_SliceReIntern(benchmark::State& state) {
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+ gpr_slice slice = grpc_slice_intern(grpc_slice_from_static_string("abc"));
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+ while (state.KeepRunning()) {
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+ grpc_slice_unref(grpc_slice_intern(slice));
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+ }
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+ grpc_slice_unref(slice);
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+}
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+BENCHMARK(BM_SliceReIntern);
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+
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+static void BM_SliceInternStaticMetadata(benchmark::State& state) {
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+ while (state.KeepRunning()) {
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+ grpc_slice_intern(GRPC_MDSTR_GZIP);
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+ }
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+}
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+BENCHMARK(BM_SliceInternStaticMetadata);
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+
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+static void BM_SliceInternEqualToStaticMetadata(benchmark::State& state) {
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+ gpr_slice slice = grpc_slice_from_static_string("gzip");
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+ while (state.KeepRunning()) {
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+ grpc_slice_intern(slice);
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+ }
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+}
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+BENCHMARK(BM_SliceInternEqualToStaticMetadata);
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+
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+static void BM_MetadataFromNonInternedSlices(benchmark::State& state) {
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+ gpr_slice k = grpc_slice_from_static_string("key");
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+ gpr_slice v = grpc_slice_from_static_string("value");
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, grpc_mdelem_create(&exec_ctx, k, v, NULL));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+}
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+BENCHMARK(BM_MetadataFromNonInternedSlices);
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+
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+static void BM_MetadataFromInternedSlices(benchmark::State& state) {
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+ gpr_slice k = grpc_slice_intern(grpc_slice_from_static_string("key"));
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+ gpr_slice v = grpc_slice_intern(grpc_slice_from_static_string("value"));
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, grpc_mdelem_create(&exec_ctx, k, v, NULL));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+ grpc_slice_unref(k);
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+ grpc_slice_unref(v);
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+}
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+BENCHMARK(BM_MetadataFromInternedSlices);
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+
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+static void BM_MetadataFromInternedSlicesAlreadyInIndex(
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+ benchmark::State& state) {
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+ gpr_slice k = grpc_slice_intern(grpc_slice_from_static_string("key"));
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+ gpr_slice v = grpc_slice_intern(grpc_slice_from_static_string("value"));
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ grpc_mdelem seed = grpc_mdelem_create(&exec_ctx, k, v, NULL);
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, grpc_mdelem_create(&exec_ctx, k, v, NULL));
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+ }
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+ GRPC_MDELEM_UNREF(&exec_ctx, seed);
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+ grpc_exec_ctx_finish(&exec_ctx);
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+ grpc_slice_unref(k);
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+ grpc_slice_unref(v);
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+}
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+BENCHMARK(BM_MetadataFromInternedSlicesAlreadyInIndex);
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+
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+static void BM_MetadataFromInternedKey(benchmark::State& state) {
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+ gpr_slice k = grpc_slice_intern(grpc_slice_from_static_string("key"));
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+ gpr_slice v = grpc_slice_from_static_string("value");
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, grpc_mdelem_create(&exec_ctx, k, v, NULL));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+ grpc_slice_unref(k);
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+}
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+BENCHMARK(BM_MetadataFromInternedKey);
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+
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+static void BM_MetadataFromNonInternedSlicesWithBackingStore(
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+ benchmark::State& state) {
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+ gpr_slice k = grpc_slice_from_static_string("key");
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+ gpr_slice v = grpc_slice_from_static_string("value");
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+ char backing_store[sizeof(grpc_mdelem_data)];
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(
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+ &exec_ctx,
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+ grpc_mdelem_create(&exec_ctx, k, v,
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+ reinterpret_cast<grpc_mdelem_data*>(backing_store)));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+}
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+BENCHMARK(BM_MetadataFromNonInternedSlicesWithBackingStore);
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+
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+static void BM_MetadataFromInternedSlicesWithBackingStore(
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+ benchmark::State& state) {
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+ gpr_slice k = grpc_slice_intern(grpc_slice_from_static_string("key"));
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+ gpr_slice v = grpc_slice_intern(grpc_slice_from_static_string("value"));
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+ char backing_store[sizeof(grpc_mdelem_data)];
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(
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+ &exec_ctx,
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+ grpc_mdelem_create(&exec_ctx, k, v,
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+ reinterpret_cast<grpc_mdelem_data*>(backing_store)));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+ grpc_slice_unref(k);
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+ grpc_slice_unref(v);
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+}
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+BENCHMARK(BM_MetadataFromInternedSlicesWithBackingStore);
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+
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+static void BM_MetadataFromInternedKeyWithBackingStore(
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+ benchmark::State& state) {
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+ gpr_slice k = grpc_slice_intern(grpc_slice_from_static_string("key"));
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+ gpr_slice v = grpc_slice_from_static_string("value");
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+ char backing_store[sizeof(grpc_mdelem_data)];
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(
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+ &exec_ctx,
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+ grpc_mdelem_create(&exec_ctx, k, v,
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+ reinterpret_cast<grpc_mdelem_data*>(backing_store)));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+ grpc_slice_unref(k);
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+}
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+BENCHMARK(BM_MetadataFromInternedKeyWithBackingStore);
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+
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+static void BM_MetadataFromStaticMetadataStrings(benchmark::State& state) {
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+ gpr_slice k = GRPC_MDSTR_STATUS;
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+ gpr_slice v = GRPC_MDSTR_200;
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, grpc_mdelem_create(&exec_ctx, k, v, NULL));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+ grpc_slice_unref(k);
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+}
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+BENCHMARK(BM_MetadataFromStaticMetadataStrings);
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+
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+static void BM_MetadataFromStaticMetadataStringsNotIndexed(
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+ benchmark::State& state) {
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+ gpr_slice k = GRPC_MDSTR_STATUS;
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+ gpr_slice v = GRPC_MDSTR_GZIP;
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, grpc_mdelem_create(&exec_ctx, k, v, NULL));
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+ }
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+ grpc_exec_ctx_finish(&exec_ctx);
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+ grpc_slice_unref(k);
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+}
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+BENCHMARK(BM_MetadataFromStaticMetadataStringsNotIndexed);
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+
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+static void BM_MetadataRefUnrefExternal(benchmark::State& state) {
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+ char backing_store[sizeof(grpc_mdelem_data)];
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ grpc_mdelem el =
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+ grpc_mdelem_create(&exec_ctx, grpc_slice_from_static_string("a"),
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+ grpc_slice_from_static_string("b"),
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+ reinterpret_cast<grpc_mdelem_data*>(backing_store));
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, GRPC_MDELEM_REF(el));
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+ }
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+ GRPC_MDELEM_UNREF(&exec_ctx, el);
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+ grpc_exec_ctx_finish(&exec_ctx);
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+}
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+BENCHMARK(BM_MetadataRefUnrefExternal);
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+
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+static void BM_MetadataRefUnrefInterned(benchmark::State& state) {
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+ char backing_store[sizeof(grpc_mdelem_data)];
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ gpr_slice k = grpc_slice_intern(grpc_slice_from_static_string("key"));
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+ gpr_slice v = grpc_slice_intern(grpc_slice_from_static_string("value"));
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+ grpc_mdelem el = grpc_mdelem_create(
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+ &exec_ctx, k, v, reinterpret_cast<grpc_mdelem_data*>(backing_store));
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+ grpc_slice_unref(k);
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+ grpc_slice_unref(v);
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, GRPC_MDELEM_REF(el));
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+ }
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+ GRPC_MDELEM_UNREF(&exec_ctx, el);
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+ grpc_exec_ctx_finish(&exec_ctx);
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+}
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+BENCHMARK(BM_MetadataRefUnrefInterned);
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+
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+static void BM_MetadataRefUnrefAllocated(benchmark::State& state) {
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ grpc_mdelem el =
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+ grpc_mdelem_create(&exec_ctx, grpc_slice_from_static_string("a"),
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+ grpc_slice_from_static_string("b"), NULL);
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, GRPC_MDELEM_REF(el));
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+ }
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+ GRPC_MDELEM_UNREF(&exec_ctx, el);
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+ grpc_exec_ctx_finish(&exec_ctx);
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+}
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+BENCHMARK(BM_MetadataRefUnrefAllocated);
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+
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+static void BM_MetadataRefUnrefStatic(benchmark::State& state) {
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+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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+ grpc_mdelem el =
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+ grpc_mdelem_create(&exec_ctx, GRPC_MDSTR_STATUS, GRPC_MDSTR_200, NULL);
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+ while (state.KeepRunning()) {
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+ GRPC_MDELEM_UNREF(&exec_ctx, GRPC_MDELEM_REF(el));
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+ }
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+ GRPC_MDELEM_UNREF(&exec_ctx, el);
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+ grpc_exec_ctx_finish(&exec_ctx);
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+}
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+BENCHMARK(BM_MetadataRefUnrefStatic);
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+
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+BENCHMARK_MAIN();
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Craig Tiller