mirror of
https://github.com/ethereum/go-ethereum.git
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64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
// Copyright 2024 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package pathdb
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import (
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"crypto/rand"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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)
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// BenchmarkStateSetAccount benchmarks the account lookup performance.
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func BenchmarkStateSetAccount(b *testing.B) {
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// Create a stateSet with a reasonable number of accounts
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const numAccounts = 1000
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accountData := make(map[common.Hash][]byte, numAccounts)
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// Generate random account hashes and data
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hashes := make([]common.Hash, numAccounts)
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for i := 0; i < numAccounts; i++ {
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var hash common.Hash
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rand.Read(hash[:])
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hashes[i] = hash
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accountData[hash] = make([]byte, 32)
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rand.Read(accountData[hash])
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}
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s := newStates(accountData, nil, false)
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// Prepare test hashes: mix of existing and non-existing
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testHashes := make([]common.Hash, 100)
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for i := 0; i < 50; i++ {
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// Use existing hashes
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testHashes[i] = hashes[i*10]
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}
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for i := 50; i < 100; i++ {
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// Use non-existing hashes
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var hash common.Hash
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rand.Read(hash[:])
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testHashes[i] = hash
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}
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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hash := testHashes[i%len(testHashes)]
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_, _ = s.account(hash)
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}
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}
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