123 lines
3.8 KiB
Go
123 lines
3.8 KiB
Go
// Copyright 2014 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 vm
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import (
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"math/big"
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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/core/state"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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)
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const maxRun = 1000
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type vmBench struct {
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precompile bool // compile prior to executing
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nojit bool // ignore jit (sets DisbaleJit = true
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forcejit bool // forces the jit, precompile is ignored
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code []byte
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input []byte
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}
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func runVmBench(test vmBench, b *testing.B) {
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db, _ := ethdb.NewMemDatabase()
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sender := state.NewStateObject(common.Address{}, db)
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if test.precompile && !test.forcejit {
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NewProgram(test.code)
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}
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env := NewEnv()
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EnableJit = !test.nojit
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ForceJit = test.forcejit
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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context := NewContext(sender, sender, big.NewInt(100), big.NewInt(10000), big.NewInt(0))
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context.Code = test.code
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context.CodeAddr = &common.Address{}
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_, err := New(env).Run(context, test.input)
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if err != nil {
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b.Error(err)
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b.FailNow()
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}
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}
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}
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var benchmarks = map[string]vmBench{
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"pushes": vmBench{
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false, false, false,
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common.Hex2Bytes("600a600a01600a600a01600a600a01600a600a01600a600a01600a600a01600a600a01600a600a01600a600a01600a600a01"), nil,
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},
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}
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func BenchmarkPushes(b *testing.B) {
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runVmBench(benchmarks["pushes"], b)
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}
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type Env struct {
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gasLimit *big.Int
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depth int
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}
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func NewEnv() *Env {
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return &Env{big.NewInt(10000), 0}
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}
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func (self *Env) Origin() common.Address { return common.Address{} }
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func (self *Env) BlockNumber() *big.Int { return big.NewInt(0) }
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func (self *Env) AddStructLog(log StructLog) {
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}
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func (self *Env) StructLogs() []StructLog {
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return nil
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}
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//func (self *Env) PrevHash() []byte { return self.parent }
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func (self *Env) Coinbase() common.Address { return common.Address{} }
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func (self *Env) Time() uint64 { return uint64(time.Now().Unix()) }
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func (self *Env) Difficulty() *big.Int { return big.NewInt(0) }
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func (self *Env) State() *state.StateDB { return nil }
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func (self *Env) GasLimit() *big.Int { return self.gasLimit }
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func (self *Env) VmType() Type { return StdVmTy }
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func (self *Env) GetHash(n uint64) common.Hash {
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return common.BytesToHash(crypto.Sha3([]byte(big.NewInt(int64(n)).String())))
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}
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func (self *Env) AddLog(log *state.Log) {
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}
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func (self *Env) Depth() int { return self.depth }
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func (self *Env) SetDepth(i int) { self.depth = i }
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func (self *Env) CanTransfer(from Account, balance *big.Int) bool {
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return from.Balance().Cmp(balance) >= 0
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}
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func (self *Env) Transfer(from, to Account, amount *big.Int) error {
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return nil
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}
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func (self *Env) Call(caller ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
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return nil, nil
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}
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func (self *Env) CallCode(caller ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
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return nil, nil
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}
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func (self *Env) Create(caller ContextRef, data []byte, gas, price, value *big.Int) ([]byte, error, ContextRef) {
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return nil, nil, nil
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}
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