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mixbench.go
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mixbench.go
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// Protocol Buffers for Go with Gadgets
//
// Copyright (c) 2013, The GoGo Authors. All rights reserved.
// http://github.com/gogo/protobuf
//
// 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 (
"flag"
"fmt"
"io/ioutil"
"os/exec"
"sort"
"strings"
)
func bench(folder, rgx, outFileName string) {
var test = exec.Command("go", "test", "-test.timeout=20m", "-test.v", "-test.run=XXX", "-test.bench="+rgx, folder)
fmt.Printf("benching %v - %v - %v\n", folder, rgx, outFileName)
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)
}
}
func main() {
flag.Parse()
fmt.Printf("Running benches: %v\n", benchList)
for _, bench := range strings.Split(benchList, " ") {
b, ok := benches[bench]
if !ok {
fmt.Printf("No benchmark with name: %v\n", bench)
continue
}
b()
}
if strings.Contains(benchList, "all") {
fmt.Println("Running benchcmp will show the performance difference between using reflect and generated code for marshalling and unmarshalling of protocol buffers")
fmt.Println("benchcmp ./test/mixbench/marshal.txt ./test/mixbench/marshaler.txt")
fmt.Println("benchcmp ./test/mixbench/unmarshal.txt ./test/mixbench/unmarshaler.txt")
}
}
var benches = make(map[string]func())
var benchList string
func init() {
benches["marshaler"] = func() { bench("./test/combos/both/", "ProtoMarshal", "./test/mixbench/marshaler.txt") }
benches["marshal"] = func() { bench("./test/", "ProtoMarshal", "./test/mixbench/marshal.txt") }
benches["unmarshaler"] = func() { bench("./test/combos/both/", "ProtoUnmarshal", "./test/mixbench/unmarshaler.txt") }
benches["unmarshal"] = func() { bench("./test/", "ProtoUnmarshal", "./test/mixbench/unmarshal.txt") }
var ops []string
for k := range benches {
ops = append(ops, k)
}
sort.Strings(ops)
benches["all"] = benchall(ops)
ops = append(ops, "all")
flag.StringVar(&benchList, "benchlist", "all", fmt.Sprintf("List of benchmarks to run. Options: %v", ops))
}
func benchall(ops []string) func() {
return func() {
for _, o := range ops {
benches[o]()
}
}
}