Files
tidb/tablecodec/bench_test.go
2021-10-19 10:38:42 +08:00

69 lines
1.9 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,
// 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.
package tablecodec
import (
"testing"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/util/benchdaily"
)
func BenchmarkEncodeRowKeyWithHandle(b *testing.B) {
for i := 0; i < b.N; i++ {
EncodeRowKeyWithHandle(100, kv.IntHandle(100))
}
}
func BenchmarkEncodeEndKey(b *testing.B) {
for i := 0; i < b.N; i++ {
EncodeRowKeyWithHandle(100, kv.IntHandle(100))
EncodeRowKeyWithHandle(100, kv.IntHandle(101))
}
}
// BenchmarkEncodeRowKeyWithPrefixNex tests the performance of encoding row key with prefixNext
// 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, kv.IntHandle(100))
sk.PrefixNext()
}
}
func BenchmarkDecodeRowKey(b *testing.B) {
rowKey := EncodeRowKeyWithHandle(100, kv.IntHandle(100))
for i := 0; i < b.N; i++ {
_, err := DecodeRowKey(rowKey)
if err != nil {
b.Fatal(err)
}
}
}
func TestBenchDaily(t *testing.T) {
benchdaily.Run(
BenchmarkEncodeRowKeyWithHandle,
BenchmarkEncodeEndKey,
BenchmarkEncodeRowKeyWithPrefixNex,
BenchmarkDecodeRowKey,
BenchmarkHasTablePrefix,
BenchmarkHasTablePrefixBuiltin,
BenchmarkEncodeValue,
)
}