gitee.com/liu-zhao234568/cntest@v1.0.0/core/state/state_object_test.go (about)

     1  // Copyright 2019 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package state
    18  
    19  import (
    20  	"bytes"
    21  	"testing"
    22  
    23  	"gitee.com/liu-zhao234568/cntest/common"
    24  )
    25  
    26  func BenchmarkCutOriginal(b *testing.B) {
    27  	value := common.HexToHash("0x01")
    28  	for i := 0; i < b.N; i++ {
    29  		bytes.TrimLeft(value[:], "\x00")
    30  	}
    31  }
    32  
    33  func BenchmarkCutsetterFn(b *testing.B) {
    34  	value := common.HexToHash("0x01")
    35  	cutSetFn := func(r rune) bool { return r == 0 }
    36  	for i := 0; i < b.N; i++ {
    37  		bytes.TrimLeftFunc(value[:], cutSetFn)
    38  	}
    39  }
    40  
    41  func BenchmarkCutCustomTrim(b *testing.B) {
    42  	value := common.HexToHash("0x01")
    43  	for i := 0; i < b.N; i++ {
    44  		common.TrimLeftZeroes(value[:])
    45  	}
    46  }