115 lines
3.9 KiB
Go
115 lines
3.9 KiB
Go
// +build go1.7
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/*
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*
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* Copyright 2014, 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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package grpc
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import (
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"fmt"
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"testing"
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"github.com/golang/protobuf/proto"
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"google.golang.org/grpc/test/codec_perf"
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)
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func setupBenchmarkProtoCodecInputs(b *testing.B, payloadBaseSize uint32) []proto.Message {
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payloadBase := make([]byte, payloadBaseSize)
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// arbitrary byte slices
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payloadSuffixes := [][]byte{
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[]byte("one"),
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[]byte("two"),
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[]byte("three"),
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[]byte("four"),
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[]byte("five"),
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}
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protoStructs := make([]proto.Message, 0)
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for _, p := range payloadSuffixes {
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ps := &codec_perf.Buffer{}
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ps.Body = append(payloadBase, p...)
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protoStructs = append(protoStructs, ps)
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}
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return protoStructs
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}
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// The possible use of certain protobuf APIs like the proto.Buffer API potentially involves caching
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// on our side. This can add checks around memory allocations and possible contention.
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// Example run: go test -v -run=^$ -bench=BenchmarkProtoCodec -benchmem
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func BenchmarkProtoCodec(b *testing.B) {
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// range of message sizes
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payloadBaseSizes := make([]uint32, 0)
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for i := uint32(0); i <= 12; i += 4 {
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payloadBaseSizes = append(payloadBaseSizes, 1<<i)
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}
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// range of SetParallelism
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parallelisms := make([]uint32, 0)
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for i := uint32(0); i <= 16; i += 4 {
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parallelisms = append(parallelisms, 1<<i)
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}
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for _, s := range payloadBaseSizes {
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for _, p := range parallelisms {
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func(parallelism int, payloadBaseSize uint32) {
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protoStructs := setupBenchmarkProtoCodecInputs(b, payloadBaseSize)
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name := fmt.Sprintf("MinPayloadSize:%v/SetParallelism(%v)", payloadBaseSize, parallelism)
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b.Run(name, func(b *testing.B) {
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codec := &protoCodec{}
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b.SetParallelism(parallelism)
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b.RunParallel(func(pb *testing.PB) {
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benchmarkProtoCodec(codec, protoStructs, pb, b)
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})
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})
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}(int(p), s)
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}
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}
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}
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func benchmarkProtoCodec(codec *protoCodec, protoStructs []proto.Message, pb *testing.PB, b *testing.B) {
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counter := 0
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for pb.Next() {
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counter++
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ps := protoStructs[counter%len(protoStructs)]
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fastMarshalAndUnmarshal(codec, ps, b)
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}
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}
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func fastMarshalAndUnmarshal(protoCodec Codec, protoStruct proto.Message, b *testing.B) {
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marshaledBytes, err := protoCodec.Marshal(protoStruct)
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if err != nil {
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b.Errorf("protoCodec.Marshal(_) returned an error")
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}
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if err := protoCodec.Unmarshal(marshaledBytes, protoStruct); err != nil {
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b.Errorf("protoCodec.Unmarshal(_) returned an error")
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}
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}
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