* core/vm/runtime/tests: add more benchmarks * core/vm: initial work on improving alloc count for calls to precompiles name old time/op new time/op delta SimpleLoop/identity-precompile-10M-6 117ms ±75% 43ms ± 1% -63.09% (p=0.008 n=5+5) SimpleLoop/loop-10M-6 79.6ms ± 4% 70.5ms ± 1% -11.42% (p=0.008 n=5+5) name old alloc/op new alloc/op delta SimpleLoop/identity-precompile-10M-6 24.4MB ± 0% 4.9MB ± 0% -79.94% (p=0.008 n=5+5) SimpleLoop/loop-10M-6 13.2kB ± 0% 13.2kB ± 0% ~ (p=0.357 n=5+5) name old allocs/op new allocs/op delta SimpleLoop/identity-precompile-10M-6 382k ± 0% 153k ± 0% -59.99% (p=0.000 n=5+4) SimpleLoop/loop-10M-6 40.0 ± 0% 40.0 ± 0% ~ (all equal) * core/vm: don't allocate big.int for touch name old time/op new time/op delta SimpleLoop/identity-precompile-10M-6 43.3ms ± 1% 42.4ms ± 7% ~ (p=0.151 n=5+5) SimpleLoop/loop-10M-6 70.5ms ± 1% 76.7ms ± 1% +8.67% (p=0.008 n=5+5) name old alloc/op new alloc/op delta SimpleLoop/identity-precompile-10M-6 4.90MB ± 0% 2.46MB ± 0% -49.83% (p=0.008 n=5+5) SimpleLoop/loop-10M-6 13.2kB ± 0% 13.2kB ± 1% ~ (p=0.571 n=5+5) name old allocs/op new allocs/op delta SimpleLoop/identity-precompile-10M-6 153k ± 0% 76k ± 0% -49.98% (p=0.029 n=4+4) SimpleLoop/loop-10M-6 40.0 ± 0% 40.0 ± 0% ~ (all equal) * core/vm: reduce allocs in staticcall name old time/op new time/op delta SimpleLoop/identity-precompile-10M-6 42.4ms ± 7% 37.5ms ± 6% -11.68% (p=0.008 n=5+5) SimpleLoop/loop-10M-6 76.7ms ± 1% 69.1ms ± 1% -9.82% (p=0.008 n=5+5) name old alloc/op new alloc/op delta SimpleLoop/identity-precompile-10M-6 2.46MB ± 0% 0.02MB ± 0% -99.35% (p=0.008 n=5+5) SimpleLoop/loop-10M-6 13.2kB ± 1% 13.2kB ± 0% ~ (p=0.143 n=5+5) name old allocs/op new allocs/op delta SimpleLoop/identity-precompile-10M-6 76.4k ± 0% 0.1k ± 0% ~ (p=0.079 n=4+5) SimpleLoop/loop-10M-6 40.0 ± 0% 40.0 ± 0% ~ (all equal) * trie: better use of hasher keccakState * core/state/statedb: reduce allocations in getDeletedStateObject * core/vm: reduce allocations in all call derivates * core/vm: reduce allocations in call variants - Make returnstack `uint32` - Use a `sync.Pool` of `stack`s * core/vm: fix tests * core/vm: goimports * core/vm: tracer fix + staticcall gas fix * core/vm: add back snapshot to staticcall * core/vm: review concerns + make returnstack pooled + enable returndata in traces * core/vm: fix some test tracer method signatures * core/vm: run gencodec, minor comment polish Co-authored-by: Péter Szilágyi <peterke@gmail.com>
		
			
				
	
	
		
			97 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // 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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| 
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| package vm
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| 
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| import (
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| 	"encoding/json"
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| 	"io"
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| 	"math/big"
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| 	"time"
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| 
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| 	"github.com/ethereum/go-ethereum/common"
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| 	"github.com/ethereum/go-ethereum/common/math"
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| )
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| 
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| type JSONLogger struct {
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| 	encoder *json.Encoder
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| 	cfg     *LogConfig
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| }
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| 
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| // NewJSONLogger creates a new EVM tracer that prints execution steps as JSON objects
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| // into the provided stream.
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| func NewJSONLogger(cfg *LogConfig, writer io.Writer) *JSONLogger {
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| 	l := &JSONLogger{json.NewEncoder(writer), cfg}
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| 	if l.cfg == nil {
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| 		l.cfg = &LogConfig{}
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| 	}
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| 	return l
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| }
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| 
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| func (l *JSONLogger) CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error {
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| 	return nil
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| }
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| 
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| // CaptureState outputs state information on the logger.
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| func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error {
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| 	log := StructLog{
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| 		Pc:            pc,
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| 		Op:            op,
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| 		Gas:           gas,
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| 		GasCost:       cost,
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| 		MemorySize:    memory.Len(),
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| 		Storage:       nil,
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| 		Depth:         depth,
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| 		RefundCounter: env.StateDB.GetRefund(),
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| 		Err:           err,
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| 	}
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| 	if !l.cfg.DisableMemory {
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| 		log.Memory = memory.Data()
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| 	}
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| 	if !l.cfg.DisableStack {
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| 		//TODO(@holiman) improve this
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| 		logstack := make([]*big.Int, len(stack.Data()))
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| 		for i, item := range stack.Data() {
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| 			logstack[i] = item.ToBig()
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| 		}
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| 		log.Stack = logstack
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| 		log.ReturnStack = rStack.data
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| 	}
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| 	if !l.cfg.DisableReturnData {
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| 		log.ReturnData = rData
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| 	}
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| 	return l.encoder.Encode(log)
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| }
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| 
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| // CaptureFault outputs state information on the logger.
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| func (l *JSONLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, contract *Contract, depth int, err error) error {
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| 	return nil
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| }
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| 
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| // CaptureEnd is triggered at end of execution.
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| func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error {
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| 	type endLog struct {
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| 		Output  string              `json:"output"`
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| 		GasUsed math.HexOrDecimal64 `json:"gasUsed"`
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| 		Time    time.Duration       `json:"time"`
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| 		Err     string              `json:"error,omitempty"`
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| 	}
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| 	if err != nil {
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| 		return l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, err.Error()})
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| 	}
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| 	return l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, ""})
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| }
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