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fqueue_bench_test.go
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fqueue_bench_test.go
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package fqueue
import (
"encoding/binary"
"math/rand"
"os"
"path/filepath"
"testing"
)
var fpath string
func BenchmarkPush(b *testing.B) {
b.N = 1000000
var err error
var p []byte
var fq Queue
fpath = filepath.Join(os.TempDir(), "fq1_benchmark.data")
os.Remove(fpath)
QueueLimit = 1024*1024*256
if fq, err = NewFQueue(fpath); err != nil {
panic(err)
}
defer fq.Close()
ptr := make([]byte, 256 + 8)
for i := 0; i < 256 + 8; i++ {
ptr[i] = 'T'
}
b.ResetTimer()
b.StartTimer()
var total int64 = 0
for i := 0; i < b.N; i++ {
l := rand.Intn(256) + 8
p = ptr[:l]
total += int64(len(p))
binary.LittleEndian.PutUint32(p, uint32(i))
binary.LittleEndian.PutUint32(p[4:], uint32(l))
if err = fq.Push(p); err != nil {
b.Error(err)
b.FailNow()
}
}
b.SetBytes(total/int64(b.N))
b.StopTimer()
}
func BenchmarkPop(b *testing.B) {
b.N = 1000000
var err error
var p []byte
var fq Queue
if fq, err = NewFQueue(fpath); err != nil {
panic(err)
}
defer fq.Close()
defer os.RemoveAll(fpath)
b.ResetTimer()
b.StartTimer()
var total int64 = 0
for i := 0; i < b.N; i++ {
if p, err = fq.Pop(); err != nil {
b.FailNow()
return
}
total += int64(len(p))
c := int(binary.LittleEndian.Uint32(p))
l := int(binary.LittleEndian.Uint32(p[4:]))
if c != i || l != len(p) {
b.FailNow()
}
}
b.SetBytes(total/int64(b.N))
b.StopTimer()
}