298 lines
8.5 KiB
Go
298 lines
8.5 KiB
Go
// Copyright 2015 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 core
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import (
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"crypto/ecdsa"
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"io/ioutil"
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"math/big"
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"os"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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)
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func BenchmarkInsertChain_empty_memdb(b *testing.B) {
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benchInsertChain(b, false, nil)
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}
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func BenchmarkInsertChain_empty_diskdb(b *testing.B) {
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benchInsertChain(b, true, nil)
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}
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func BenchmarkInsertChain_valueTx_memdb(b *testing.B) {
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benchInsertChain(b, false, genValueTx(0))
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}
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func BenchmarkInsertChain_valueTx_diskdb(b *testing.B) {
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benchInsertChain(b, true, genValueTx(0))
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}
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func BenchmarkInsertChain_valueTx_100kB_memdb(b *testing.B) {
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benchInsertChain(b, false, genValueTx(100*1024))
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}
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func BenchmarkInsertChain_valueTx_100kB_diskdb(b *testing.B) {
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benchInsertChain(b, true, genValueTx(100*1024))
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}
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func BenchmarkInsertChain_uncles_memdb(b *testing.B) {
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benchInsertChain(b, false, genUncles)
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}
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func BenchmarkInsertChain_uncles_diskdb(b *testing.B) {
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benchInsertChain(b, true, genUncles)
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}
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func BenchmarkInsertChain_ring200_memdb(b *testing.B) {
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benchInsertChain(b, false, genTxRing(200))
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}
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func BenchmarkInsertChain_ring200_diskdb(b *testing.B) {
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benchInsertChain(b, true, genTxRing(200))
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}
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func BenchmarkInsertChain_ring1000_memdb(b *testing.B) {
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benchInsertChain(b, false, genTxRing(1000))
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}
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func BenchmarkInsertChain_ring1000_diskdb(b *testing.B) {
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benchInsertChain(b, true, genTxRing(1000))
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}
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var (
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// This is the content of the genesis block used by the benchmarks.
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benchRootKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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benchRootAddr = crypto.PubkeyToAddress(benchRootKey.PublicKey)
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benchRootFunds = common.BigPow(2, 100)
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)
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// genValueTx returns a block generator that includes a single
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// value-transfer transaction with n bytes of extra data in each
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// block.
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func genValueTx(nbytes int) func(int, *BlockGen) {
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return func(i int, gen *BlockGen) {
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toaddr := common.Address{}
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data := make([]byte, nbytes)
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gas := IntrinsicGas(data, false, false)
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tx, _ := types.NewTransaction(gen.TxNonce(benchRootAddr), toaddr, big.NewInt(1), gas, nil, data).SignECDSA(benchRootKey)
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gen.AddTx(tx)
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}
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}
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var (
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ringKeys = make([]*ecdsa.PrivateKey, 1000)
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ringAddrs = make([]common.Address, len(ringKeys))
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)
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func init() {
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ringKeys[0] = benchRootKey
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ringAddrs[0] = benchRootAddr
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for i := 1; i < len(ringKeys); i++ {
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ringKeys[i], _ = crypto.GenerateKey()
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ringAddrs[i] = crypto.PubkeyToAddress(ringKeys[i].PublicKey)
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}
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}
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// genTxRing returns a block generator that sends ether in a ring
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// among n accounts. This is creates n entries in the state database
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// and fills the blocks with many small transactions.
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func genTxRing(naccounts int) func(int, *BlockGen) {
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from := 0
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return func(i int, gen *BlockGen) {
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gas := CalcGasLimit(gen.PrevBlock(i - 1))
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for {
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gas.Sub(gas, params.TxGas)
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if gas.Cmp(params.TxGas) < 0 {
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break
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}
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to := (from + 1) % naccounts
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tx := types.NewTransaction(
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gen.TxNonce(ringAddrs[from]),
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ringAddrs[to],
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benchRootFunds,
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params.TxGas,
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nil,
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nil,
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)
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tx, _ = tx.SignECDSA(ringKeys[from])
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gen.AddTx(tx)
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from = to
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}
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}
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}
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// genUncles generates blocks with two uncle headers.
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func genUncles(i int, gen *BlockGen) {
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if i >= 6 {
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b2 := gen.PrevBlock(i - 6).Header()
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b2.Extra = []byte("foo")
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gen.AddUncle(b2)
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b3 := gen.PrevBlock(i - 6).Header()
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b3.Extra = []byte("bar")
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gen.AddUncle(b3)
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}
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}
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func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
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// Create the database in memory or in a temporary directory.
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var db ethdb.Database
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if !disk {
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db, _ = ethdb.NewMemDatabase()
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} else {
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dir, err := ioutil.TempDir("", "eth-core-bench")
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if err != nil {
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b.Fatalf("cannot create temporary directory: %v", err)
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}
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defer os.RemoveAll(dir)
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db, err = ethdb.NewLDBDatabase(dir, 128, 128)
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if err != nil {
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b.Fatalf("cannot create temporary database: %v", err)
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}
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defer db.Close()
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}
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// Generate a chain of b.N blocks using the supplied block
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// generator function.
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genesis := WriteGenesisBlockForTesting(db, GenesisAccount{benchRootAddr, benchRootFunds})
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chain, _ := GenerateChain(genesis, db, b.N, gen)
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// Time the insertion of the new chain.
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// State and blocks are stored in the same DB.
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evmux := new(event.TypeMux)
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chainman, _ := NewBlockChain(db, &ChainConfig{HomesteadBlock: new(big.Int)}, FakePow{}, evmux)
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defer chainman.Stop()
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b.ReportAllocs()
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b.ResetTimer()
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if i, err := chainman.InsertChain(chain); err != nil {
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b.Fatalf("insert error (block %d): %v\n", i, err)
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}
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}
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func BenchmarkChainRead_header_10k(b *testing.B) {
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benchReadChain(b, false, 10000)
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}
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func BenchmarkChainRead_full_10k(b *testing.B) {
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benchReadChain(b, true, 10000)
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}
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func BenchmarkChainRead_header_100k(b *testing.B) {
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benchReadChain(b, false, 100000)
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}
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func BenchmarkChainRead_full_100k(b *testing.B) {
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benchReadChain(b, true, 100000)
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}
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func BenchmarkChainRead_header_500k(b *testing.B) {
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benchReadChain(b, false, 500000)
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}
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func BenchmarkChainRead_full_500k(b *testing.B) {
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benchReadChain(b, true, 500000)
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}
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func BenchmarkChainWrite_header_10k(b *testing.B) {
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benchWriteChain(b, false, 10000)
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}
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func BenchmarkChainWrite_full_10k(b *testing.B) {
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benchWriteChain(b, true, 10000)
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}
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func BenchmarkChainWrite_header_100k(b *testing.B) {
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benchWriteChain(b, false, 100000)
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}
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func BenchmarkChainWrite_full_100k(b *testing.B) {
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benchWriteChain(b, true, 100000)
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}
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func BenchmarkChainWrite_header_500k(b *testing.B) {
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benchWriteChain(b, false, 500000)
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}
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func BenchmarkChainWrite_full_500k(b *testing.B) {
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benchWriteChain(b, true, 500000)
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}
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// makeChainForBench writes a given number of headers or empty blocks/receipts
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// into a database.
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func makeChainForBench(db ethdb.Database, full bool, count uint64) {
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var hash common.Hash
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for n := uint64(0); n < count; n++ {
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header := &types.Header{
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Coinbase: common.Address{},
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Number: big.NewInt(int64(n)),
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ParentHash: hash,
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Difficulty: big.NewInt(1),
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UncleHash: types.EmptyUncleHash,
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TxHash: types.EmptyRootHash,
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ReceiptHash: types.EmptyRootHash,
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}
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hash = header.Hash()
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WriteHeader(db, header)
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WriteCanonicalHash(db, hash, n)
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WriteTd(db, hash, n, big.NewInt(int64(n+1)))
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if full || n == 0 {
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block := types.NewBlockWithHeader(header)
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WriteBody(db, hash, n, block.Body())
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WriteBlockReceipts(db, hash, n, nil)
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}
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}
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}
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func benchWriteChain(b *testing.B, full bool, count uint64) {
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for i := 0; i < b.N; i++ {
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dir, err := ioutil.TempDir("", "eth-chain-bench")
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if err != nil {
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b.Fatalf("cannot create temporary directory: %v", err)
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}
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db, err := ethdb.NewLDBDatabase(dir, 128, 1024)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", dir, err)
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}
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makeChainForBench(db, full, count)
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db.Close()
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os.RemoveAll(dir)
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}
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}
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func benchReadChain(b *testing.B, full bool, count uint64) {
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dir, err := ioutil.TempDir("", "eth-chain-bench")
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if err != nil {
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b.Fatalf("cannot create temporary directory: %v", err)
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}
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defer os.RemoveAll(dir)
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db, err := ethdb.NewLDBDatabase(dir, 128, 1024)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", dir, err)
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}
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makeChainForBench(db, full, count)
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db.Close()
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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db, err := ethdb.NewLDBDatabase(dir, 128, 1024)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", dir, err)
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}
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chain, err := NewBlockChain(db, testChainConfig(), FakePow{}, new(event.TypeMux))
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if err != nil {
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b.Fatalf("error creating chain: %v", err)
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}
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for n := uint64(0); n < count; n++ {
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header := chain.GetHeaderByNumber(n)
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if full {
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hash := header.Hash()
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GetBody(db, hash, n)
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GetBlockReceipts(db, hash, n)
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}
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}
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db.Close()
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}
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}
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