mirror of https://github.com/poanetwork/quorum.git
238 lines
7.1 KiB
Go
238 lines
7.1 KiB
Go
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// Copyright 2017 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 filters
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import (
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"bytes"
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"context"
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"fmt"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/bitutil"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/bloombits"
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"github.com/ethereum/go-ethereum/core/types"
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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/node"
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"github.com/golang/snappy"
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)
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func BenchmarkBloomBits512(b *testing.B) {
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benchmarkBloomBitsForSize(b, 512)
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}
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func BenchmarkBloomBits1k(b *testing.B) {
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benchmarkBloomBitsForSize(b, 1024)
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}
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func BenchmarkBloomBits2k(b *testing.B) {
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benchmarkBloomBitsForSize(b, 2048)
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}
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func BenchmarkBloomBits4k(b *testing.B) {
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benchmarkBloomBitsForSize(b, 4096)
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}
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func BenchmarkBloomBits8k(b *testing.B) {
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benchmarkBloomBitsForSize(b, 8192)
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}
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func BenchmarkBloomBits16k(b *testing.B) {
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benchmarkBloomBitsForSize(b, 16384)
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}
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func BenchmarkBloomBits32k(b *testing.B) {
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benchmarkBloomBitsForSize(b, 32768)
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}
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func benchmarkBloomBitsForSize(b *testing.B, sectionSize uint64) {
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benchmarkBloomBits(b, sectionSize, 0)
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benchmarkBloomBits(b, sectionSize, 1)
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benchmarkBloomBits(b, sectionSize, 2)
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}
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const benchFilterCnt = 2000
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func benchmarkBloomBits(b *testing.B, sectionSize uint64, comp int) {
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benchDataDir := node.DefaultDataDir() + "/geth/chaindata"
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fmt.Println("Running bloombits benchmark section size:", sectionSize, " compression method:", comp)
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var (
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compressFn func([]byte) []byte
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decompressFn func([]byte, int) ([]byte, error)
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)
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switch comp {
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case 0:
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// no compression
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compressFn = func(data []byte) []byte {
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return data
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}
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decompressFn = func(data []byte, target int) ([]byte, error) {
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if len(data) != target {
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panic(nil)
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}
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return data, nil
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}
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case 1:
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// bitutil/compress.go
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compressFn = bitutil.CompressBytes
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decompressFn = bitutil.DecompressBytes
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case 2:
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// go snappy
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compressFn = func(data []byte) []byte {
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return snappy.Encode(nil, data)
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}
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decompressFn = func(data []byte, target int) ([]byte, error) {
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decomp, err := snappy.Decode(nil, data)
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if err != nil || len(decomp) != target {
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panic(err)
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}
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return decomp, nil
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}
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}
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db, err := ethdb.NewLDBDatabase(benchDataDir, 128, 1024)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", benchDataDir, err)
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}
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head := core.GetHeadBlockHash(db)
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if head == (common.Hash{}) {
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b.Fatalf("chain data not found at %v", benchDataDir)
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}
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clearBloomBits(db)
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fmt.Println("Generating bloombits data...")
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headNum := core.GetBlockNumber(db, head)
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if headNum < sectionSize+512 {
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b.Fatalf("not enough blocks for running a benchmark")
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}
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start := time.Now()
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cnt := (headNum - 512) / sectionSize
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var dataSize, compSize uint64
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for sectionIdx := uint64(0); sectionIdx < cnt; sectionIdx++ {
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bc := bloombits.NewBloomBitsCreator(sectionSize)
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var header *types.Header
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for i := sectionIdx * sectionSize; i < (sectionIdx+1)*sectionSize; i++ {
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hash := core.GetCanonicalHash(db, i)
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header = core.GetHeader(db, hash, i)
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if header == nil {
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b.Fatalf("Error creating bloomBits data")
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}
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bc.AddHeaderBloom(header.Bloom)
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}
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sectionHead := core.GetCanonicalHash(db, (sectionIdx+1)*sectionSize-1)
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for i := 0; i < bloombits.BloomLength; i++ {
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data := bc.GetBitVector(uint(i))
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comp := compressFn(data)
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dataSize += uint64(len(data))
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compSize += uint64(len(comp))
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core.StoreBloomBits(db, uint64(i), sectionIdx, sectionHead, comp)
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}
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//if sectionIdx%50 == 0 {
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// fmt.Println(" section", sectionIdx, "/", cnt)
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//}
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}
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d := time.Since(start)
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fmt.Println("Finished generating bloombits data")
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fmt.Println(" ", d, "total ", d/time.Duration(cnt*sectionSize), "per block")
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fmt.Println(" data size:", dataSize, " compressed size:", compSize, " compression ratio:", float64(compSize)/float64(dataSize))
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fmt.Println("Running filter benchmarks...")
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start = time.Now()
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mux := new(event.TypeMux)
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var backend *testBackend
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for i := 0; i < benchFilterCnt; i++ {
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if i%20 == 0 {
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db.Close()
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db, _ = ethdb.NewLDBDatabase(benchDataDir, 128, 1024)
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backend = &testBackend{mux, db, cnt, new(event.Feed), new(event.Feed), new(event.Feed), new(event.Feed)}
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}
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var addr common.Address
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addr[0] = byte(i)
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addr[1] = byte(i / 256)
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filter := New(backend, 0, int64(cnt*sectionSize-1), []common.Address{addr}, nil)
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filter.decompress = decompressFn
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if _, err := filter.Find(context.Background()); err != nil {
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b.Error("filter.Find error:", err)
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}
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}
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d = time.Since(start)
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fmt.Println("Finished running filter benchmarks")
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fmt.Println(" ", d, "total ", d/time.Duration(benchFilterCnt), "per address", d*time.Duration(1000000)/time.Duration(benchFilterCnt*cnt*sectionSize), "per million blocks")
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db.Close()
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}
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func forEachKey(db ethdb.Database, startPrefix, endPrefix []byte, fn func(key []byte)) {
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it := db.(*ethdb.LDBDatabase).NewIterator()
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it.Seek(startPrefix)
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for it.Valid() {
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key := it.Key()
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cmpLen := len(key)
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if len(endPrefix) < cmpLen {
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cmpLen = len(endPrefix)
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}
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if bytes.Compare(key[:cmpLen], endPrefix) == 1 {
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break
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}
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fn(common.CopyBytes(key))
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it.Next()
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}
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it.Release()
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}
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var bloomBitsPrefix = []byte("bloomBits-")
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func clearBloomBits(db ethdb.Database) {
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fmt.Println("Clearing bloombits data...")
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forEachKey(db, bloomBitsPrefix, bloomBitsPrefix, func(key []byte) {
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db.Delete(key)
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})
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}
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func BenchmarkNoBloomBits(b *testing.B) {
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benchDataDir := node.DefaultDataDir() + "/geth/chaindata"
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fmt.Println("Running benchmark without bloombits")
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db, err := ethdb.NewLDBDatabase(benchDataDir, 128, 1024)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", benchDataDir, err)
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}
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head := core.GetHeadBlockHash(db)
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if head == (common.Hash{}) {
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b.Fatalf("chain data not found at %v", benchDataDir)
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}
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headNum := core.GetBlockNumber(db, head)
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clearBloomBits(db)
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fmt.Println("Running filter benchmarks...")
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start := time.Now()
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mux := new(event.TypeMux)
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backend := &testBackend{mux, db, 0, new(event.Feed), new(event.Feed), new(event.Feed), new(event.Feed)}
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filter := New(backend, 0, int64(headNum), []common.Address{common.Address{}}, nil)
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filter.Find(context.Background())
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d := time.Since(start)
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fmt.Println("Finished running filter benchmarks")
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fmt.Println(" ", d, "total ", d*time.Duration(1000000)/time.Duration(headNum+1), "per million blocks")
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db.Close()
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}
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