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less allocs at call trace (#2363)

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Alex Sharov 2021-07-14 21:34:23 +07:00 committed by GitHub
parent 29695bc91d
commit 356567676a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 4 deletions
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12
eth/stagedsync/stage_call_traces.go
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@ -121,7 +121,7 @@ func promoteCallTraces(logPrefix string, tx ethdb.RwTx, startBlock, endBlock uin
if len(v) != common.AddressLength+1 { if len(v) != common.AddressLength+1 {
return fmt.Errorf("%s: wrong size of value in CallTraceSet: %x (size %d)", logPrefix, v, len(v)) return fmt.Errorf("%s: wrong size of value in CallTraceSet: %x (size %d)", logPrefix, v, len(v))
} }
mapKey := string(common.CopyBytes(v[:common.AddressLength])) mapKey := string(v[:common.AddressLength])
if v[common.AddressLength]&1 > 0 { if v[common.AddressLength]&1 > 0 {
m, ok := froms[mapKey] m, ok := froms[mapKey]
if !ok { if !ok {
@ -220,8 +220,11 @@ func finaliseCallTraces(collectorFrom, collectorTo *etl.Collector, logPrefix str
var currentBitmap = roaring64.New() var currentBitmap = roaring64.New()
var buf = bytes.NewBuffer(nil) var buf = bytes.NewBuffer(nil)
lastChunkKey := make([]byte, 128) lastChunkKey := make([]byte, 128)
reader := bytes.NewReader(nil)
reader2 := bytes.NewReader(nil)
var loaderFunc = func(k []byte, v []byte, table etl.CurrentTableReader, next etl.LoadNextFunc) error { var loaderFunc = func(k []byte, v []byte, table etl.CurrentTableReader, next etl.LoadNextFunc) error {
if _, err := currentBitmap.ReadFrom(bytes.NewReader(v)); err != nil { reader.Reset(v)
if _, err := currentBitmap.ReadFrom(reader); err != nil {
return err return err
} }
lastChunkKey = lastChunkKey[:len(k)+8] lastChunkKey = lastChunkKey[:len(k)+8]
@ -234,7 +237,8 @@ func finaliseCallTraces(collectorFrom, collectorTo *etl.Collector, logPrefix str
if len(lastChunkBytes) > 0 { if len(lastChunkBytes) > 0 {
lastChunk := roaring64.New() lastChunk := roaring64.New()
_, err = lastChunk.ReadFrom(bytes.NewReader(lastChunkBytes)) reader2.Reset(lastChunkBytes)
_, err = lastChunk.ReadFrom(reader2)
if err != nil { if err != nil {
return fmt.Errorf("couldn't read last log index chunk: %w, len(lastChunkBytes)=%d", err, len(lastChunkBytes)) return fmt.Errorf("couldn't read last log index chunk: %w, len(lastChunkBytes)=%d", err, len(lastChunkBytes))
} }
@ -315,7 +319,7 @@ func unwindCallTraces(logPrefix string, db ethdb.RwTx, from, to uint64, quitCh <
if len(v) != common.AddressLength+1 { if len(v) != common.AddressLength+1 {
return fmt.Errorf("%s: wrong size of value in CallTraceSet: %x (size %d)", logPrefix, v, len(v)) return fmt.Errorf("%s: wrong size of value in CallTraceSet: %x (size %d)", logPrefix, v, len(v))
} }
mapKey := string(common.CopyBytes(v[:common.AddressLength])) mapKey := string(v[:common.AddressLength])
if v[common.AddressLength]&1 > 0 { if v[common.AddressLength]&1 > 0 {
froms[mapKey] = struct{}{} froms[mapKey] = struct{}{}
} }