mirror of
https://github.com/btcsuite/btcd.git
synced 2025-01-19 05:33:36 +01:00
5ede256f66
Benchmark added to compare the performance of a map vs a slice when fetching utxos. The benchmark shows roughly 25% performance improvement when using slices instead of a map.
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
// Copyright (c) 2015 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package blockchain
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import (
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"testing"
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"github.com/btcsuite/btcd/btcutil"
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"github.com/btcsuite/btcd/wire"
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)
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// BenchmarkIsCoinBase performs a simple benchmark against the IsCoinBase
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// function.
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func BenchmarkIsCoinBase(b *testing.B) {
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tx, _ := btcutil.NewBlock(&Block100000).Tx(1)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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IsCoinBase(tx)
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}
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}
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// BenchmarkIsCoinBaseTx performs a simple benchmark against the IsCoinBaseTx
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// function.
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func BenchmarkIsCoinBaseTx(b *testing.B) {
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tx := Block100000.Transactions[1]
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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IsCoinBaseTx(tx)
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}
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}
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func BenchmarkUtxoFetchMap(b *testing.B) {
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block := Block100000
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transactions := block.Transactions
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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needed := make(map[wire.OutPoint]struct{}, len(transactions))
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for _, tx := range transactions[1:] {
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for _, txIn := range tx.TxIn {
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needed[txIn.PreviousOutPoint] = struct{}{}
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}
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}
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}
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}
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func BenchmarkUtxoFetchSlices(b *testing.B) {
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block := Block100000
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transactions := block.Transactions
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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needed := make([]wire.OutPoint, 0, len(transactions))
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for _, tx := range transactions[1:] {
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for _, txIn := range tx.TxIn {
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needed = append(needed, txIn.PreviousOutPoint)
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}
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}
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}
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}
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