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gfpool增加基准测试

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This commit is contained in:
john
2018-09-25 13:18:43 +08:00
parent 9ff6834d74
commit 535255f37a
2 changed files with 29 additions and 3 deletions
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11
g/os/gfpool/gfpool.go
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@ -89,6 +89,8 @@ func (p *Pool) File() (*File, error) {
if _, err := f.Seek(0, 2); err != nil {
return nil, err
}
} else {
f.Seek(0, 0)
}
if f.flag & os.O_CREATE > 0 {
_, err := f.Stat()
@ -103,10 +105,13 @@ func (p *Pool) File() (*File, error) {
}
}
if f.flag & os.O_TRUNC > 0 {
if err := f.Truncate(0); err != nil {
return nil, err
if stat, err := f.Stat(); err == nil {
if stat.Size() > 0 {
if err := f.Truncate(0); err != nil {
return nil, err
}
}
}
f.Seek(0, 0)
}
return f, nil
}

21
g/os/gfpool/gfpool_test.go Normal file
View File

@ -0,0 +1,21 @@
package gfpool
import (
"testing"
"os"
)
func Benchmark_os_Open_Close(b *testing.B) {
for i := 0; i < b.N; i++ {
f, _ := os.OpenFile("/tmp/bench-test", os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0766)
f.Close()
}
}
func Benchmark_gfpool_Open_Close(b *testing.B) {
for i := 0; i < b.N; i++ {
f, _ := Open("/tmp/bench-test", os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0766)
f.Close()
}
}