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- // Copyright 2017 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package filters
- import (
- "bytes"
- "context"
- "fmt"
- "testing"
- "time"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/common/bitutil"
- "github.com/ethereum/go-ethereum/core/bloombits"
- "github.com/ethereum/go-ethereum/core/rawdb"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/ethdb"
- "github.com/ethereum/go-ethereum/event"
- "github.com/ethereum/go-ethereum/node"
- )
- func BenchmarkBloomBits512(b *testing.B) {
- benchmarkBloomBits(b, 512)
- }
- func BenchmarkBloomBits1k(b *testing.B) {
- benchmarkBloomBits(b, 1024)
- }
- func BenchmarkBloomBits2k(b *testing.B) {
- benchmarkBloomBits(b, 2048)
- }
- func BenchmarkBloomBits4k(b *testing.B) {
- benchmarkBloomBits(b, 4096)
- }
- func BenchmarkBloomBits8k(b *testing.B) {
- benchmarkBloomBits(b, 8192)
- }
- func BenchmarkBloomBits16k(b *testing.B) {
- benchmarkBloomBits(b, 16384)
- }
- func BenchmarkBloomBits32k(b *testing.B) {
- benchmarkBloomBits(b, 32768)
- }
- const benchFilterCnt = 2000
- func benchmarkBloomBits(b *testing.B, sectionSize uint64) {
- benchDataDir := node.DefaultDataDir() + "/geth/chaindata"
- fmt.Println("Running bloombits benchmark section size:", sectionSize)
- db, err := ethdb.NewLDBDatabase(benchDataDir, 128, 1024)
- if err != nil {
- b.Fatalf("error opening database at %v: %v", benchDataDir, err)
- }
- head := rawdb.ReadHeadBlockHash(db)
- if head == (common.Hash{}) {
- b.Fatalf("chain data not found at %v", benchDataDir)
- }
- clearBloomBits(db)
- fmt.Println("Generating bloombits data...")
- headNum := rawdb.ReadHeaderNumber(db, head)
- if headNum == nil || *headNum < sectionSize+512 {
- b.Fatalf("not enough blocks for running a benchmark")
- }
- start := time.Now()
- cnt := (*headNum - 512) / sectionSize
- var dataSize, compSize uint64
- for sectionIdx := uint64(0); sectionIdx < cnt; sectionIdx++ {
- bc, err := bloombits.NewGenerator(uint(sectionSize))
- if err != nil {
- b.Fatalf("failed to create generator: %v", err)
- }
- var header *types.Header
- for i := sectionIdx * sectionSize; i < (sectionIdx+1)*sectionSize; i++ {
- hash := rawdb.ReadCanonicalHash(db, i)
- header = rawdb.ReadHeader(db, hash, i)
- if header == nil {
- b.Fatalf("Error creating bloomBits data")
- }
- bc.AddBloom(uint(i-sectionIdx*sectionSize), header.Bloom)
- }
- sectionHead := rawdb.ReadCanonicalHash(db, (sectionIdx+1)*sectionSize-1)
- for i := 0; i < types.BloomBitLength; i++ {
- data, err := bc.Bitset(uint(i))
- if err != nil {
- b.Fatalf("failed to retrieve bitset: %v", err)
- }
- comp := bitutil.CompressBytes(data)
- dataSize += uint64(len(data))
- compSize += uint64(len(comp))
- rawdb.WriteBloomBits(db, uint(i), sectionIdx, sectionHead, comp)
- }
- //if sectionIdx%50 == 0 {
- // fmt.Println(" section", sectionIdx, "/", cnt)
- //}
- }
- d := time.Since(start)
- fmt.Println("Finished generating bloombits data")
- fmt.Println(" ", d, "total ", d/time.Duration(cnt*sectionSize), "per block")
- fmt.Println(" data size:", dataSize, " compressed size:", compSize, " compression ratio:", float64(compSize)/float64(dataSize))
- fmt.Println("Running filter benchmarks...")
- start = time.Now()
- mux := new(event.TypeMux)
- var backend *testBackend
- for i := 0; i < benchFilterCnt; i++ {
- if i%20 == 0 {
- db.Close()
- db, _ = ethdb.NewLDBDatabase(benchDataDir, 128, 1024)
- backend = &testBackend{mux, db, cnt, new(event.Feed), new(event.Feed), new(event.Feed), new(event.Feed)}
- }
- var addr common.Address
- addr[0] = byte(i)
- addr[1] = byte(i / 256)
- filter := New(backend, 0, int64(cnt*sectionSize-1), []common.Address{addr}, nil)
- if _, err := filter.Logs(context.Background()); err != nil {
- b.Error("filter.Find error:", err)
- }
- }
- d = time.Since(start)
- fmt.Println("Finished running filter benchmarks")
- fmt.Println(" ", d, "total ", d/time.Duration(benchFilterCnt), "per address", d*time.Duration(1000000)/time.Duration(benchFilterCnt*cnt*sectionSize), "per million blocks")
- db.Close()
- }
- func forEachKey(db ethdb.Database, startPrefix, endPrefix []byte, fn func(key []byte)) {
- it := db.(*ethdb.LDBDatabase).NewIterator()
- it.Seek(startPrefix)
- for it.Valid() {
- key := it.Key()
- cmpLen := len(key)
- if len(endPrefix) < cmpLen {
- cmpLen = len(endPrefix)
- }
- if bytes.Compare(key[:cmpLen], endPrefix) == 1 {
- break
- }
- fn(common.CopyBytes(key))
- it.Next()
- }
- it.Release()
- }
- var bloomBitsPrefix = []byte("bloomBits-")
- func clearBloomBits(db ethdb.Database) {
- fmt.Println("Clearing bloombits data...")
- forEachKey(db, bloomBitsPrefix, bloomBitsPrefix, func(key []byte) {
- db.Delete(key)
- })
- }
- func BenchmarkNoBloomBits(b *testing.B) {
- benchDataDir := node.DefaultDataDir() + "/geth/chaindata"
- fmt.Println("Running benchmark without bloombits")
- db, err := ethdb.NewLDBDatabase(benchDataDir, 128, 1024)
- if err != nil {
- b.Fatalf("error opening database at %v: %v", benchDataDir, err)
- }
- head := rawdb.ReadHeadBlockHash(db)
- if head == (common.Hash{}) {
- b.Fatalf("chain data not found at %v", benchDataDir)
- }
- headNum := rawdb.ReadHeaderNumber(db, head)
- clearBloomBits(db)
- fmt.Println("Running filter benchmarks...")
- start := time.Now()
- mux := new(event.TypeMux)
- backend := &testBackend{mux, db, 0, new(event.Feed), new(event.Feed), new(event.Feed), new(event.Feed)}
- filter := New(backend, 0, int64(*headNum), []common.Address{{}}, nil)
- filter.Logs(context.Background())
- d := time.Since(start)
- fmt.Println("Finished running filter benchmarks")
- fmt.Println(" ", d, "total ", d*time.Duration(1000000)/time.Duration(*headNum+1), "per million blocks")
- db.Close()
- }
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