| // +build go1.7 |
| |
| /* |
| * |
| * Copyright 2014 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package grpc |
| |
| import ( |
| "fmt" |
| "testing" |
| |
| "github.com/golang/protobuf/proto" |
| "google.golang.org/grpc/test/codec_perf" |
| ) |
| |
| func setupBenchmarkProtoCodecInputs(b *testing.B, payloadBaseSize uint32) []proto.Message { |
| payloadBase := make([]byte, payloadBaseSize) |
| // arbitrary byte slices |
| payloadSuffixes := [][]byte{ |
| []byte("one"), |
| []byte("two"), |
| []byte("three"), |
| []byte("four"), |
| []byte("five"), |
| } |
| protoStructs := make([]proto.Message, 0) |
| |
| for _, p := range payloadSuffixes { |
| ps := &codec_perf.Buffer{} |
| ps.Body = append(payloadBase, p...) |
| protoStructs = append(protoStructs, ps) |
| } |
| |
| return protoStructs |
| } |
| |
| // The possible use of certain protobuf APIs like the proto.Buffer API potentially involves caching |
| // on our side. This can add checks around memory allocations and possible contention. |
| // Example run: go test -v -run=^$ -bench=BenchmarkProtoCodec -benchmem |
| func BenchmarkProtoCodec(b *testing.B) { |
| // range of message sizes |
| payloadBaseSizes := make([]uint32, 0) |
| for i := uint32(0); i <= 12; i += 4 { |
| payloadBaseSizes = append(payloadBaseSizes, 1<<i) |
| } |
| // range of SetParallelism |
| parallelisms := make([]uint32, 0) |
| for i := uint32(0); i <= 16; i += 4 { |
| parallelisms = append(parallelisms, 1<<i) |
| } |
| for _, s := range payloadBaseSizes { |
| for _, p := range parallelisms { |
| func(parallelism int, payloadBaseSize uint32) { |
| protoStructs := setupBenchmarkProtoCodecInputs(b, payloadBaseSize) |
| name := fmt.Sprintf("MinPayloadSize:%v/SetParallelism(%v)", payloadBaseSize, parallelism) |
| b.Run(name, func(b *testing.B) { |
| codec := &protoCodec{} |
| b.SetParallelism(parallelism) |
| b.RunParallel(func(pb *testing.PB) { |
| benchmarkProtoCodec(codec, protoStructs, pb, b) |
| }) |
| }) |
| }(int(p), s) |
| } |
| } |
| } |
| |
| func benchmarkProtoCodec(codec *protoCodec, protoStructs []proto.Message, pb *testing.PB, b *testing.B) { |
| counter := 0 |
| for pb.Next() { |
| counter++ |
| ps := protoStructs[counter%len(protoStructs)] |
| fastMarshalAndUnmarshal(codec, ps, b) |
| } |
| } |
| |
| func fastMarshalAndUnmarshal(protoCodec Codec, protoStruct proto.Message, b *testing.B) { |
| marshaledBytes, err := protoCodec.Marshal(protoStruct) |
| if err != nil { |
| b.Errorf("protoCodec.Marshal(_) returned an error") |
| } |
| if err := protoCodec.Unmarshal(marshaledBytes, protoStruct); err != nil { |
| b.Errorf("protoCodec.Unmarshal(_) returned an error") |
| } |
| } |