frostfs-api-go/object/bench_test.go
Evgenii Stratonikov fadd47f4fb [#376] object: remove pointer from Attribute slice
```
name                           old time/op    new time/op    delta
AttributesMarshal/marshal-8      4.44µs ± 9%    2.72µs ± 0%  -38.79%  (p=0.000 n=10+9)
AttributesMarshal/unmarshal-8    3.16µs ±13%    0.55µs ± 4%  -82.60%  (p=0.000 n=10+10)

name                           old alloc/op   new alloc/op   delta
AttributesMarshal/marshal-8      4.42kB ± 0%    4.42kB ± 0%     ~     (all equal)
AttributesMarshal/unmarshal-8    2.02kB ± 0%    1.79kB ± 0%  -11.11%  (p=0.000 n=10+10)

name                           old allocs/op  new allocs/op  delta
AttributesMarshal/marshal-8        51.0 ± 0%      51.0 ± 0%     ~     (all equal)
AttributesMarshal/unmarshal-8      51.0 ± 0%       1.0 ± 0%  -98.04%  (p=0.000 n=10+10)
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-03-09 15:23:13 +03:00

45 lines
876 B
Go

package object
import (
"math/rand"
"testing"
"github.com/stretchr/testify/require"
)
func randString(n int) string {
x := make([]byte, n)
for i := range x {
x[i] = byte('a' + rand.Intn('z'-'a'))
}
return string(x)
}
func BenchmarkAttributesMarshal(b *testing.B) {
attrs := make([]Attribute, 50)
for i := range attrs {
attrs[i].key = SysAttributePrefix + randString(10)
attrs[i].val = randString(10)
}
raw := AttributesToGRPC(attrs)
require.Equal(b, len(raw), len(attrs))
b.Run("marshal", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
res := AttributesToGRPC(attrs)
if len(res) != len(raw) {
b.FailNow()
}
}
})
b.Run("unmarshal", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
res, err := AttributesFromGRPC(raw)
if err != nil || len(res) != len(raw) {
b.FailNow()
}
}
})
}