github.com/whtcorpsinc/milevadb-prod@v0.0.0-20211104133533-f57f4be3b597/allegrosql/tablecodec/bench_test.go (about)

     1  // Copyright 2020 WHTCORPS INC, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package blockcodec
    15  
    16  import (
    17  	"testing"
    18  
    19  	"github.com/whtcorpsinc/milevadb/ekv"
    20  )
    21  
    22  func BenchmarkEncodeRowKeyWithHandle(b *testing.B) {
    23  	for i := 0; i < b.N; i++ {
    24  		EncodeRowKeyWithHandle(100, ekv.IntHandle(100))
    25  	}
    26  }
    27  
    28  func BenchmarkEncodeEndKey(b *testing.B) {
    29  	for i := 0; i < b.N; i++ {
    30  		EncodeRowKeyWithHandle(100, ekv.IntHandle(100))
    31  		EncodeRowKeyWithHandle(100, ekv.IntHandle(101))
    32  	}
    33  }
    34  
    35  // BenchmarkEncodeRowKeyWithPrefixNex tests the performance of encoding event key with prefixNext
    36  // PrefixNext() is slow than using EncodeRowKeyWithHandle.
    37  // BenchmarkEncodeEndKey-4		20000000	        97.2 ns/op
    38  // BenchmarkEncodeRowKeyWithPrefixNex-4	10000000	       121 ns/op
    39  func BenchmarkEncodeRowKeyWithPrefixNex(b *testing.B) {
    40  	for i := 0; i < b.N; i++ {
    41  		sk := EncodeRowKeyWithHandle(100, ekv.IntHandle(100))
    42  		sk.PrefixNext()
    43  	}
    44  }
    45  
    46  func BenchmarkDecodeRowKey(b *testing.B) {
    47  	rowKey := EncodeRowKeyWithHandle(100, ekv.IntHandle(100))
    48  	for i := 0; i < b.N; i++ {
    49  		DecodeRowKey(rowKey)
    50  	}
    51  }