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nginx-sso/vendor/google.golang.org/grpc/benchmark/benchresult/main.go
Knut Ahlers 9b3c895c04
Update dependencies
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2019-04-22 06:44:07 +02:00

133 lines
4 KiB
Go

/*
*
* Copyright 2017 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.
*
*/
/*
To format the benchmark result:
go run benchmark/benchresult/main.go resultfile
To see the performance change based on a old result:
go run benchmark/benchresult/main.go resultfile_old resultfile
It will print the comparison result of intersection benchmarks between two files.
*/
package main
import (
"encoding/gob"
"fmt"
"log"
"os"
"strconv"
"strings"
"time"
"google.golang.org/grpc/benchmark/stats"
)
func createMap(fileName string, m map[string]stats.BenchResults) {
f, err := os.Open(fileName)
if err != nil {
log.Fatalf("Read file %s error: %s\n", fileName, err)
}
defer f.Close()
var data []stats.BenchResults
decoder := gob.NewDecoder(f)
if err = decoder.Decode(&data); err != nil {
log.Fatalf("Decode file %s error: %s\n", fileName, err)
}
for _, d := range data {
m[d.RunMode+"-"+d.Features.String()] = d
}
}
func intChange(title string, val1, val2 int64) string {
return fmt.Sprintf("%10s %12s %12s %8.2f%%\n", title, strconv.FormatInt(val1, 10),
strconv.FormatInt(val2, 10), float64(val2-val1)*100/float64(val1))
}
func timeChange(title int, val1, val2 time.Duration) string {
return fmt.Sprintf("%10s %12s %12s %8.2f%%\n", strconv.Itoa(title)+" latency", val1.String(),
val2.String(), float64(val2-val1)*100/float64(val1))
}
func compareTwoMap(m1, m2 map[string]stats.BenchResults) {
for k2, v2 := range m2 {
if v1, ok := m1[k2]; ok {
changes := k2 + "\n"
changes += fmt.Sprintf("%10s %12s %12s %8s\n", "Title", "Before", "After", "Percentage")
changes += intChange("Bytes/op", v1.AllocedBytesPerOp, v2.AllocedBytesPerOp)
changes += intChange("Allocs/op", v1.AllocsPerOp, v2.AllocsPerOp)
changes += timeChange(v1.Latency[1].Percent, v1.Latency[1].Value, v2.Latency[1].Value)
changes += timeChange(v1.Latency[2].Percent, v1.Latency[2].Value, v2.Latency[2].Value)
fmt.Printf("%s\n", changes)
}
}
}
func compareBenchmark(file1, file2 string) {
var BenchValueFile1 map[string]stats.BenchResults
var BenchValueFile2 map[string]stats.BenchResults
BenchValueFile1 = make(map[string]stats.BenchResults)
BenchValueFile2 = make(map[string]stats.BenchResults)
createMap(file1, BenchValueFile1)
createMap(file2, BenchValueFile2)
compareTwoMap(BenchValueFile1, BenchValueFile2)
}
func printline(benchName, ltc50, ltc90, allocByte, allocsOp interface{}) {
fmt.Printf("%-80v%12v%12v%12v%12v\n", benchName, ltc50, ltc90, allocByte, allocsOp)
}
func formatBenchmark(fileName string) {
f, err := os.Open(fileName)
if err != nil {
log.Fatalf("Read file %s error: %s\n", fileName, err)
}
defer f.Close()
var data []stats.BenchResults
decoder := gob.NewDecoder(f)
if err = decoder.Decode(&data); err != nil {
log.Fatalf("Decode file %s error: %s\n", fileName, err)
}
if len(data) == 0 {
log.Fatalf("No data in file %s\n", fileName)
}
printPos := data[0].SharedPosion
fmt.Println("\nShared features:\n" + strings.Repeat("-", 20))
fmt.Print(stats.PartialPrintString(printPos, data[0].Features, true))
fmt.Println(strings.Repeat("-", 35))
for i := 0; i < len(data[0].SharedPosion); i++ {
printPos[i] = !printPos[i]
}
printline("Name", "latency-50", "latency-90", "Alloc (B)", "Alloc (#)")
for _, d := range data {
name := d.RunMode + stats.PartialPrintString(printPos, d.Features, false)
printline(name, d.Latency[1].Value.String(), d.Latency[2].Value.String(),
d.AllocedBytesPerOp, d.AllocsPerOp)
}
}
func main() {
if len(os.Args) == 2 {
formatBenchmark(os.Args[1])
} else {
compareBenchmark(os.Args[1], os.Args[2])
}
}