1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 /* This benchmark exists to show that byte-buffer copy is size-independent */
20
21 #include <memory>
22
23 #include <benchmark/benchmark.h>
24
25 #include <grpcpp/impl/grpc_library.h>
26 #include <grpcpp/support/byte_buffer.h>
27
28 #include "test/core/util/test_config.h"
29 #include "test/cpp/microbenchmarks/helpers.h"
30 #include "test/cpp/util/test_config.h"
31
32 namespace grpc {
33 namespace testing {
34
BM_ByteBuffer_Copy(benchmark::State & state)35 static void BM_ByteBuffer_Copy(benchmark::State& state) {
36 int num_slices = state.range(0);
37 size_t slice_size = state.range(1);
38 std::vector<grpc::Slice> slices;
39 while (num_slices > 0) {
40 num_slices--;
41 std::unique_ptr<char[]> buf(new char[slice_size]);
42 memset(buf.get(), 0, slice_size);
43 slices.emplace_back(buf.get(), slice_size);
44 }
45 grpc::ByteBuffer bb(slices.data(), num_slices);
46 for (auto _ : state) {
47 grpc::ByteBuffer cc(bb);
48 }
49 }
50 BENCHMARK(BM_ByteBuffer_Copy)->Ranges({{1, 64}, {1, 1024 * 1024}});
51
BM_ByteBufferReader_Next(benchmark::State & state)52 static void BM_ByteBufferReader_Next(benchmark::State& state) {
53 const int num_slices = state.range(0);
54 constexpr size_t kSliceSize = 16;
55 std::vector<grpc_slice> slices;
56 for (int i = 0; i < num_slices; ++i) {
57 std::unique_ptr<char[]> buf(new char[kSliceSize]);
58 slices.emplace_back(g_core_codegen_interface->grpc_slice_from_copied_buffer(
59 buf.get(), kSliceSize));
60 }
61 grpc_byte_buffer* bb = g_core_codegen_interface->grpc_raw_byte_buffer_create(
62 slices.data(), num_slices);
63 grpc_byte_buffer_reader reader;
64 GPR_ASSERT(
65 g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
66 for (auto _ : state) {
67 grpc_slice* slice;
68 if (GPR_UNLIKELY(!g_core_codegen_interface->grpc_byte_buffer_reader_peek(
69 &reader, &slice))) {
70 g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
71 GPR_ASSERT(
72 g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
73 continue;
74 }
75 }
76
77 g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
78 g_core_codegen_interface->grpc_byte_buffer_destroy(bb);
79 for (auto& slice : slices) {
80 g_core_codegen_interface->grpc_slice_unref(slice);
81 }
82 }
83 BENCHMARK(BM_ByteBufferReader_Next)->Ranges({{64 * 1024, 1024 * 1024}});
84
BM_ByteBufferReader_Peek(benchmark::State & state)85 static void BM_ByteBufferReader_Peek(benchmark::State& state) {
86 const int num_slices = state.range(0);
87 constexpr size_t kSliceSize = 16;
88 std::vector<grpc_slice> slices;
89 for (int i = 0; i < num_slices; ++i) {
90 std::unique_ptr<char[]> buf(new char[kSliceSize]);
91 slices.emplace_back(g_core_codegen_interface->grpc_slice_from_copied_buffer(
92 buf.get(), kSliceSize));
93 }
94 grpc_byte_buffer* bb = g_core_codegen_interface->grpc_raw_byte_buffer_create(
95 slices.data(), num_slices);
96 grpc_byte_buffer_reader reader;
97 GPR_ASSERT(
98 g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
99 for (auto _ : state) {
100 grpc_slice* slice;
101 if (GPR_UNLIKELY(!g_core_codegen_interface->grpc_byte_buffer_reader_peek(
102 &reader, &slice))) {
103 g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
104 GPR_ASSERT(
105 g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
106 continue;
107 }
108 }
109
110 g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
111 g_core_codegen_interface->grpc_byte_buffer_destroy(bb);
112 for (auto& slice : slices) {
113 g_core_codegen_interface->grpc_slice_unref(slice);
114 }
115 }
116 BENCHMARK(BM_ByteBufferReader_Peek)->Ranges({{64 * 1024, 1024 * 1024}});
117
118 } // namespace testing
119 } // namespace grpc
120
121 // Some distros have RunSpecifiedBenchmarks under the benchmark namespace,
122 // and others do not. This allows us to support both modes.
123 namespace benchmark {
RunTheBenchmarksNamespaced()124 void RunTheBenchmarksNamespaced() { RunSpecifiedBenchmarks(); }
125 } // namespace benchmark
126
main(int argc,char ** argv)127 int main(int argc, char** argv) {
128 grpc::testing::TestEnvironment env(argc, argv);
129 LibraryInitializer libInit;
130 ::benchmark::Initialize(&argc, argv);
131 ::grpc::testing::InitTest(&argc, &argv, false);
132
133 benchmark::RunTheBenchmarksNamespaced();
134 return 0;
135 }
136