Files
tidb/tablecodec/bench_test.go
Shen Li 232605aa0e Avoid using tipb.KeyRange (#1685)
Do not use tipb.KeyRange.
Use EncodeRowKeyWithHandle to generate endKey.
Avoid decode values when only need handle.
2016-09-05 14:53:46 +08:00

42 lines
1.1 KiB
Go

// Copyright 2016 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package tablecodec
import (
"testing"
)
func BenchmarkEncodeRowKeyWithHandle(b *testing.B) {
for i := 0; i < b.N; i++ {
EncodeRowKeyWithHandle(100, 100)
}
}
func BenchmarkEncodeEndKey(b *testing.B) {
for i := 0; i < b.N; i++ {
EncodeRowKeyWithHandle(100, 100)
EncodeRowKeyWithHandle(100, 101)
}
}
// PrefixNext() is slow than using EncodeRowKeyWithHandle.
// BenchmarkEncodeEndKey-4 20000000 97.2 ns/op
// BenchmarkEncodeRowKeyWithPrefixNex-4 10000000 121 ns/op
func BenchmarkEncodeRowKeyWithPrefixNex(b *testing.B) {
for i := 0; i < b.N; i++ {
sk := EncodeRowKeyWithHandle(100, 100)
sk.PrefixNext()
}
}