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// Copyright (c) 2013, Vastech SA (PTY) LTD. All rights reserved.
// http://code.google.com/p/gogoprotobuf/gogoproto
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package main
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"strings"
)
type MixMatch struct {
Old []string
New []string
}
func (this *MixMatch) Regenerate() {
fmt.Printf("mixbench\n")
uuidData, err := ioutil.ReadFile("../uuid.go")
if err != nil {
panic(err)
}
if err := ioutil.WriteFile("./testdata/uuid.go", uuidData, 0666); err != nil {
panic(err)
}
data, err := ioutil.ReadFile("../thetest.proto")
if err != nil {
panic(err)
}
content := string(data)
for i, old := range this.Old {
content = strings.Replace(content, old, this.New[i], -1)
}
if err := ioutil.WriteFile("./testdata/thetest.proto", []byte(content), 0666); err != nil {
panic(err)
}
var regenerate = exec.Command("protoc", "--gogo_out=.", "-I=../../:../../protobuf/:../../../../../:.", "./testdata/thetest.proto")
fmt.Printf("regenerating\n")
out, err := regenerate.CombinedOutput()
fmt.Printf("regenerate output: %v\n", string(out))
if err != nil {
panic(err)
}
}
func (this *MixMatch) Bench(rgx string, outFileName string) {
if err := os.MkdirAll("./testdata", 0777); err != nil {
panic(err)
}
this.Regenerate()
var test = exec.Command("go", "test", "-test.timeout=20m", "-test.v", "-test.run=XXX", "-test.bench="+rgx, "./testdata/")
fmt.Printf("benching\n")
out, err := test.CombinedOutput()
fmt.Printf("bench output: %v\n", string(out))
if err != nil {
panic(err)
}
if err := ioutil.WriteFile(outFileName, out, 0666); err != nil {
panic(err)
}
if err := os.RemoveAll("./testdata"); err != nil {
panic(err)
}
}
func NewMixMatch(marshaler, unmarshaler, unsafe_marshaler, unsafe_unmarshaler bool) *MixMatch {
mm := &MixMatch{}
if marshaler {
mm.Old = append(mm.Old, "option (gogoproto.marshaler_all) = false;")
mm.New = append(mm.New, "option (gogoproto.marshaler_all) = true;")
} else {
mm.Old = append(mm.Old, "option (gogoproto.marshaler_all) = true;")
mm.New = append(mm.New, "option (gogoproto.marshaler_all) = false;")
}
if unmarshaler {
mm.Old = append(mm.Old, "option (gogoproto.unmarshaler_all) = false;")
mm.New = append(mm.New, "option (gogoproto.unmarshaler_all) = true;")
} else {
mm.Old = append(mm.Old, "option (gogoproto.unmarshaler_all) = true;")
mm.New = append(mm.New, "option (gogoproto.unmarshaler_all) = false;")
}
if unsafe_marshaler {
mm.Old = append(mm.Old, "option (gogoproto.unsafe_marshaler_all) = false;")
mm.New = append(mm.New, "option (gogoproto.unsafe_marshaler_all) = true;")
} else {
mm.Old = append(mm.Old, "option (gogoproto.unsafe_marshaler_all) = true;")
mm.New = append(mm.New, "option (gogoproto.unsafe_marshaler_all) = false;")
}
if unsafe_unmarshaler {
mm.Old = append(mm.Old, "option (gogoproto.unsafe_unmarshaler_all) = false;")
mm.New = append(mm.New, "option (gogoproto.unsafe_unmarshaler_all) = true;")
} else {
mm.Old = append(mm.Old, "option (gogoproto.unsafe_unmarshaler_all) = true;")
mm.New = append(mm.New, "option (gogoproto.unsafe_unmarshaler_all) = false;")
}
return mm
}
func main() {
NewMixMatch(true, true, false, false).Bench("ProtoMarshal", "marshaler.txt")
NewMixMatch(false, false, false, false).Bench("ProtoMarshal", "marshal.txt")
NewMixMatch(false, false, true, true).Bench("ProtoMarshal", "unsafe_marshaler.txt")
NewMixMatch(true, true, false, false).Bench("ProtoUnmarshal", "unmarshaler.txt")
NewMixMatch(false, false, false, false).Bench("ProtoUnmarshal", "unmarshal.txt")
NewMixMatch(false, false, true, true).Bench("ProtoUnmarshal", "unsafe_unmarshaler.txt")
fmt.Println("Running benchcmp will show the performance difference between using reflect and generated code for marshalling and unmarshalling of protocol buffers")
fmt.Println("$GOROOT/misc/benchcmp marshal.txt marshaler.txt")
fmt.Println("$GOROOT/misc/benchcmp unmarshal.txt unmarshaler.txt")
fmt.Println("$GOROOT/misc/benchcmp marshal.txt unsafe_marshaler.txt")
fmt.Println("$GOROOT/misc/benchcmp unmarshal.txt unsafe_unmarshaler.txt")
}
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