core/vm, tests: implemented semi-jit vm

* changed stack and removed stack ptr. Let go decide on slice reuse.

Makefile

@@ -2,7 +2,7 @@
 # with Go source code. If you know what GOPATH is then you probably
 # don't need to bother with make.
 
-.PHONY: geth mist all test travis-test-with-coverage clean
+.PHONY: geth evm mist all test travis-test-with-coverage clean
 GOBIN = build/bin
 
 geth:
@@ -10,6 +10,10 @@ geth:
 	@echo "Done building."
 	@echo "Run \"$(GOBIN)/geth\" to launch geth."
 
+evm:
+	build/env.sh $(GOROOT)/bin/go install -v $(shell build/ldflags.sh) ./cmd/evm
+	@echo "Done building."
+	@echo "Run \"$(GOBIN)/evm to start the evm."
 mist:
 	build/env.sh go install -v $(shell build/ldflags.sh) ./cmd/mist
 	@echo "Done building."

cmd/evm/main.go

@@ -32,6 +32,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/logger/glog"
 )
 
 var (
@@ -40,6 +41,14 @@ var (
 		Name:  "debug",
 		Usage: "output full trace logs",
 	}
+	ForceJitFlag = cli.BoolFlag{
+		Name:  "forcejit",
+		Usage: "forces jit compilation",
+	}
+	DisableJitFlag = cli.BoolFlag{
+		Name:  "nojit",
+		Usage: "disabled jit compilation",
+	}
 	CodeFlag = cli.StringFlag{
 		Name:  "code",
 		Usage: "EVM code",
@@ -77,6 +86,8 @@ func init() {
 	app = utils.NewApp("0.2", "the evm command line interface")
 	app.Flags = []cli.Flag{
 		DebugFlag,
+		ForceJitFlag,
+		DisableJitFlag,
 		SysStatFlag,
 		CodeFlag,
 		GasFlag,
@@ -90,6 +101,10 @@ func init() {
 
 func run(ctx *cli.Context) {
 	vm.Debug = ctx.GlobalBool(DebugFlag.Name)
+	vm.ForceJit = ctx.GlobalBool(ForceJitFlag.Name)
+	vm.DisableJit = ctx.GlobalBool(DisableJitFlag.Name)
+
+	glog.SetToStderr(true)
 
 	db, _ := ethdb.NewMemDatabase()
 	statedb := state.New(common.Hash{}, db)
@@ -110,11 +125,6 @@ func run(ctx *cli.Context) {
 	)
 	vmdone := time.Since(tstart)
 
-	if e != nil {
-		fmt.Println(e)
-		os.Exit(1)
-	}
-
 	if ctx.GlobalBool(DumpFlag.Name) {
 		fmt.Println(string(statedb.Dump()))
 	}
@@ -133,7 +143,11 @@ num gc:     %d
 `, mem.Alloc, mem.TotalAlloc, mem.Mallocs, mem.HeapAlloc, mem.HeapObjects, mem.NumGC)
 	}
 
-	fmt.Printf("OUT: 0x%x\n", ret)
+	fmt.Printf("OUT: 0x%x", ret)
+	if e != nil {
+		fmt.Printf(" error: %v", e)
+	}
+	fmt.Println()
 }
 
 func main() {

cmd/geth/main.go

@@ -307,6 +307,9 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 		utils.ExecFlag,
 		utils.WhisperEnabledFlag,
 		utils.VMDebugFlag,
+		utils.VMForceJitFlag,
+		utils.VMJitCacheFlag,
+		utils.VMEnableJitFlag,
 		utils.NetworkIdFlag,
 		utils.RPCCORSDomainFlag,
 		utils.VerbosityFlag,

cmd/utils/flags.go

@@ -27,6 +27,7 @@ import (
 	"runtime"
 	"strconv"
 
+	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/metrics"
 
 	"github.com/codegangsta/cli"
@@ -172,6 +173,25 @@ var (
 		Value: "",
 	}
 
+	// vm flags
+	VMDebugFlag = cli.BoolFlag{
+		Name:  "vmdebug",
+		Usage: "Virtual Machine debug output",
+	}
+	VMForceJitFlag = cli.BoolFlag{
+		Name:  "forcejit",
+		Usage: "Force the JIT VM to take precedence",
+	}
+	VMJitCacheFlag = cli.IntFlag{
+		Name:  "jitcache",
+		Usage: "Amount of cached JIT VM programs",
+		Value: 64,
+	}
+	VMEnableJitFlag = cli.BoolFlag{
+		Name:  "jitvm",
+		Usage: "Enable the JIT VM",
+	}
+
 	// logging and debug settings
 	LogFileFlag = cli.StringFlag{
 		Name:  "logfile",
@@ -196,10 +216,6 @@ var (
 		Usage: "The syntax of the argument is a comma-separated list of pattern=N, where pattern is a literal file name (minus the \".go\" suffix) or \"glob\" pattern and N is a log verbosity level.",
 		Value: glog.GetVModule(),
 	}
-	VMDebugFlag = cli.BoolFlag{
-		Name:  "vmdebug",
-		Usage: "Virtual Machine debug output",
-	}
 	BacktraceAtFlag = cli.GenericFlag{
 		Name:  "backtrace_at",
 		Usage: "If set to a file and line number (e.g., \"block.go:271\") holding a logging statement, a stack trace will be logged",
@@ -434,6 +450,13 @@ func SetupLogger(ctx *cli.Context) {
 	glog.SetLogDir(ctx.GlobalString(LogFileFlag.Name))
 }
 
+// SetupVM configured the VM package's global settings
+func SetupVM(ctx *cli.Context) {
+	vm.DisableJit = !ctx.GlobalBool(VMEnableJitFlag.Name)
+	vm.ForceJit = ctx.GlobalBool(VMForceJitFlag.Name)
+	vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name))
+}
+
 // MakeChain creates a chain manager from set command line flags.
 func MakeChain(ctx *cli.Context) (chain *core.ChainManager, blockDB, stateDB, extraDB common.Database) {
 	datadir := ctx.GlobalString(DataDirFlag.Name)

core/block_processor.go

@@ -84,8 +84,6 @@ func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block
 }
 
 func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *big.Int, transientProcess bool) (*types.Receipt, *big.Int, error) {
-	// If we are mining this block and validating we want to set the logs back to 0
-
 	cb := statedb.GetStateObject(coinbase.Address())
 	_, gas, err := ApplyMessage(NewEnv(statedb, self.bc, tx, header), tx, cb)
 	if err != nil {

core/chain_manager.go

@@ -632,7 +632,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
 		switch status {
 		case CanonStatTy:
 			if glog.V(logger.Debug) {
-				glog.Infof("[%v] inserted block #%d (%d TXs %d UNCs) (%x...). Took %v\n", time.Now().UnixNano(), block.Number(), len(block.Transactions()), len(block.Uncles()), block.Hash().Bytes()[0:4], time.Since(bstart))
+				glog.Infof("[%v] inserted block #%d (%d TXs %v G %d UNCs) (%x...). Took %v\n", time.Now().UnixNano(), block.Number(), len(block.Transactions()), block.GasUsed(), len(block.Uncles()), block.Hash().Bytes()[0:4], time.Since(bstart))
 			}
 			queue[i] = ChainEvent{block, block.Hash(), logs}
 			queueEvent.canonicalCount++

core/vm/context.go

@@ -35,6 +35,7 @@ type Context struct {
 	jumpdests destinations // result of JUMPDEST analysis.
 
 	Code     []byte
+	Input    []byte
 	CodeAddr *common.Address
 
 	value, Gas, UsedGas, Price *big.Int

core/vm/contracts.go

@@ -94,7 +94,7 @@ func ecrecoverFunc(in []byte) []byte {
 	v := byte(vbig.Uint64())
 
 	if !crypto.ValidateSignatureValues(v, r, s) {
-		glog.V(logger.Error).Infof("EC RECOVER FAIL: v, r or s value invalid")
+		glog.V(logger.Debug).Infof("EC RECOVER FAIL: v, r or s value invalid")
 		return nil
 	}
 

core/vm/gas.go

@@ -54,8 +54,8 @@ func baseCheck(op OpCode, stack *stack, gas *big.Int) error {
 			return err
 		}
 
-		if r.stackPush > 0 && len(stack.data)-r.stackPop+r.stackPush > int(params.StackLimit.Int64())+1 {
-			return fmt.Errorf("stack limit reached %d (%d)", len(stack.data), params.StackLimit.Int64())
+		if r.stackPush > 0 && stack.len()-r.stackPop+r.stackPush > int(params.StackLimit.Int64()) {
+			return fmt.Errorf("stack limit reached %d (%d)", stack.len(), params.StackLimit.Int64())
 		}
 
 		gas.Add(gas, r.gas)

core/vm/jit_test.go

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

core/vm/settings.go

+// Copyright 2014 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 vm
+
+var (
+	DisableJit  bool // Disable the JIT VM
+	ForceJit    bool // Force the JIT, skip byte VM
+	MaxProgSize int  // Max cache size for JIT Programs
+)
+
+const defaultJitMaxCache int = 64

core/vm/stack.go

@@ -27,32 +27,27 @@ func newstack() *stack {
 
 type stack struct {
 	data []*big.Int
-	ptr  int
 }
 
 func (st *stack) Data() []*big.Int {
-	return st.data[:st.ptr]
+	return st.data
 }
 
 func (st *stack) push(d *big.Int) {
 	// NOTE push limit (1024) is checked in baseCheck
-	stackItem := new(big.Int).Set(d)
-	if len(st.data) > st.ptr {
-		st.data[st.ptr] = stackItem
-	} else {
-		st.data = append(st.data, stackItem)
-	}
-	st.ptr++
+	//stackItem := new(big.Int).Set(d)
+	//st.data = append(st.data, stackItem)
+	st.data = append(st.data, d)
 }
 
 func (st *stack) pop() (ret *big.Int) {
-	st.ptr--
-	ret = st.data[st.ptr]
+	ret = st.data[len(st.data)-1]
+	st.data = st.data[:len(st.data)-1]
 	return
 }
 
 func (st *stack) len() int {
-	return st.ptr
+	return len(st.data)
 }
 
 func (st *stack) swap(n int) {
@@ -60,7 +55,7 @@ func (st *stack) swap(n int) {
 }
 
 func (st *stack) dup(n int) {
-	st.push(st.data[st.len()-n])
+	st.push(new(big.Int).Set(st.data[st.len()-n]))
 }
 
 func (st *stack) peek() *big.Int {

core/vm/vm.go

@@ -24,30 +24,19 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/logger"
+	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/params"
 )
 
 // Vm implements VirtualMachine
 type Vm struct {
 	env Environment
-
-	err error
-	// For logging
-	debug bool
-
-	BreakPoints []int64
-	Stepping    bool
-	Fn          string
-
-	Recoverable bool
-
-	// Will be called before the vm returns
-	After func(*Context, error)
 }
 
 // New returns a new Virtual Machine
 func New(env Environment) *Vm {
-	return &Vm{env: env, debug: Debug, Recoverable: true}
+	return &Vm{env: env}
 }
 
 // Run loops and evaluates the contract's code with the given input data
@@ -55,6 +44,57 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 	self.env.SetDepth(self.env.Depth() + 1)
 	defer self.env.SetDepth(self.env.Depth() - 1)
 
+	// User defer pattern to check for an error and, based on the error being nil or not, use all gas and return.
+	defer func() {
+		if err != nil {
+			// In case of a VM exception (known exceptions) all gas consumed (panics NOT included).
+			context.UseGas(context.Gas)
+
+			ret = context.Return(nil)
+		}
+	}()
+
+	if context.CodeAddr != nil {
+		if p := Precompiled[context.CodeAddr.Str()]; p != nil {
+			return self.RunPrecompiled(p, input, context)
+		}
+	}
+
+	var (
+		codehash = crypto.Sha3Hash(context.Code) // codehash is used when doing jump dest caching
+		program  *Program
+	)
+	if !DisableJit {
+		// Fetch program status.
+		// * If ready run using JIT
+		// * If unknown, compile in a seperate goroutine
+		// * If forced wait for compilation and run once done
+		if status := GetProgramStatus(codehash); status == progReady {
+			return RunProgram(GetProgram(codehash), self.env, context, input)
+		} else if status == progUnknown {
+			if ForceJit {
+				// Create and compile program
+				program = NewProgram(context.Code)
+				perr := CompileProgram(program)
+				if perr == nil {
+					return RunProgram(program, self.env, context, input)
+				}
+				glog.V(logger.Info).Infoln("error compiling program", err)
+			} else {
+				// create and compile the program. Compilation
+				// is done in a seperate goroutine
+				program = NewProgram(context.Code)
+				go func() {
+					err := CompileProgram(program)
+					if err != nil {
+						glog.V(logger.Info).Infoln("error compiling program", err)
+						return
+					}
+				}()
+			}
+		}
+	}
+
 	var (
 		caller = context.caller
 		code   = context.Code
@@ -62,7 +102,6 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 		price  = context.Price
 
 		op      OpCode             // current opcode
-		codehash = crypto.Sha3Hash(code) // codehash is used when doing jump dest caching
 		mem     = NewMemory()      // bound memory
 		stack   = newstack()       // local stack
 		statedb = self.env.State() // current state
@@ -89,32 +128,25 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 
 	// User defer pattern to check for an error and, based on the error being nil or not, use all gas and return.
 	defer func() {
-		if self.After != nil {
-			self.After(context, err)
-		}
-
 		if err != nil {
 			self.log(pc, op, context.Gas, cost, mem, stack, context, err)
-
-			// In case of a VM exception (known exceptions) all gas consumed (panics NOT included).
-			context.UseGas(context.Gas)
-
-			ret = context.Return(nil)
 		}
 	}()
 
-	if context.CodeAddr != nil {
-		if p := Precompiled[context.CodeAddr.Str()]; p != nil {
-			return self.RunPrecompiled(p, input, context)
-		}
-	}
-
 	// Don't bother with the execution if there's no code.
 	if len(code) == 0 {
 		return context.Return(nil), nil
 	}
 
 	for {
+		// Overhead of the atomic read might not be worth it
+		/* TODO this still causes a few issues in the tests
+		if program != nil && progStatus(atomic.LoadInt32(&program.status)) == progReady {
+			// move execution
+			glog.V(logger.Info).Infoln("Moved execution to JIT")
+			return runProgram(program, pc, mem, stack, self.env, context, input)
+		}
+		*/
 		// The base for all big integer arithmetic
 		base := new(big.Int)
 
@@ -122,7 +154,7 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 		op = context.GetOp(pc)
 
 		// calculate the new memory size and gas price for the current executing opcode
-		newMemSize, cost, err = self.calculateGasAndSize(context, caller, op, statedb, mem, stack)
+		newMemSize, cost, err = calculateGasAndSize(self.env, context, caller, op, statedb, mem, stack)
 		if err != nil {
 			return nil, err
 		}
@@ -130,11 +162,9 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 		// Use the calculated gas. When insufficient gas is present, use all gas and return an
 		// Out Of Gas error
 		if !context.UseGas(cost) {
-
-			context.UseGas(context.Gas)
-
-			return context.Return(nil), OutOfGasError
+			return nil, OutOfGasError
 		}
+
 		// Resize the memory calculated previously
 		mem.Resize(newMemSize.Uint64())
 		// Add a log message
@@ -376,7 +406,7 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 			addr := common.BigToAddress(stack.pop())
 			balance := statedb.GetBalance(addr)
 
-			stack.push(balance)
+			stack.push(new(big.Int).Set(balance))
 
 		case ORIGIN:
 			origin := self.env.Origin()
@@ -388,7 +418,7 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 			stack.push(common.Bytes2Big(caller.Bytes()))
 
 		case CALLVALUE:
-			stack.push(value)
+			stack.push(new(big.Int).Set(value))
 
 		case CALLDATALOAD:
 			data := getData(input, stack.pop(), common.Big32)
@@ -441,7 +471,7 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 			mem.Set(mOff.Uint64(), l.Uint64(), codeCopy)
 
 		case GASPRICE:
-			stack.push(context.Price)
+			stack.push(new(big.Int).Set(context.Price))
 
 		case BLOCKHASH:
 			num := stack.pop()
@@ -471,11 +501,11 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 		case DIFFICULTY:
 			difficulty := self.env.Difficulty()
 
-			stack.push(difficulty)
+			stack.push(new(big.Int).Set(difficulty))
 
 		case GASLIMIT:
 
-			stack.push(self.env.GasLimit())
+			stack.push(new(big.Int).Set(self.env.GasLimit()))
 
 		case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
 			size := uint64(op - PUSH1 + 1)
@@ -555,8 +585,7 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 		case MSIZE:
 			stack.push(big.NewInt(int64(mem.Len())))
 		case GAS:
-			stack.push(context.Gas)
-
+			stack.push(new(big.Int).Set(context.Gas))
 		case CREATE:
 
 			var (
@@ -652,7 +681,7 @@ func (self *Vm) Run(context *Context, input []byte) (ret []byte, err error) {
 
 // calculateGasAndSize calculates the required given the opcode and stack items calculates the new memorysize for
 // the operation. This does not reduce gas or resizes the memory.
-func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *stack) (*big.Int, *big.Int, error) {
+func calculateGasAndSize(env Environment, context *Context, caller ContextRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *stack) (*big.Int, *big.Int, error) {
 	var (
 		gas                 = new(big.Int)
 		newMemSize *big.Int = new(big.Int)
@@ -759,7 +788,7 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo
 		gas.Add(gas, stack.data[stack.len()-1])
 
 		if op == CALL {
-			if self.env.State().GetStateObject(common.BigToAddress(stack.data[stack.len()-2])) == nil {
+			if env.State().GetStateObject(common.BigToAddress(stack.data[stack.len()-2])) == nil {
 				gas.Add(gas, params.CallNewAccountGas)
 			}
 		}

tests/state_test.go

@@ -20,8 +20,25 @@ import (
 	"os"
 	"path/filepath"
 	"testing"
+
+	"github.com/ethereum/go-ethereum/core/vm"
 )
 
+func init() {
+	if os.Getenv("JITVM") == "true" {
+		vm.ForceJit = true
+	} else {
+		vm.DisableJit = true
+	}
+}
+
+func BenchmarkStateCall1024(b *testing.B) {
+	fn := filepath.Join(stateTestDir, "stCallCreateCallCodeTest.json")
+	if err := BenchVmTest(fn, bconf{"Call1024BalanceTooLow", true, false}, b); err != nil {
+		b.Error(err)
+	}
+}
+
 func TestStateSystemOperations(t *testing.T) {
 	fn := filepath.Join(stateTestDir, "stSystemOperationsTest.json")
 	if err := RunStateTest(fn, StateSkipTests); err != nil {

tests/state_test_util.go

@@ -23,6 +23,7 @@ import (
 	"io"
 	"math/big"
 	"strconv"
+	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core"
@@ -60,6 +61,61 @@ func RunStateTest(p string, skipTests []string) error {
 
 }
 
+func BenchStateTest(p string, conf bconf, b *testing.B) error {
+	tests := make(map[string]VmTest)
+	if err := readJsonFile(p, &tests); err != nil {
+		return err
+	}
+	test, ok := tests[conf.name]
+	if !ok {
+		return fmt.Errorf("test not found: %s", conf.name)
+	}
+
+	pNoJit := vm.DisableJit
+	vm.DisableJit = conf.nojit
+	pForceJit := vm.ForceJit
+	vm.ForceJit = conf.precomp
+
+	// XXX Yeah, yeah...
+	env := make(map[string]string)
+	env["currentCoinbase"] = test.Env.CurrentCoinbase
+	env["currentDifficulty"] = test.Env.CurrentDifficulty
+	env["currentGasLimit"] = test.Env.CurrentGasLimit
+	env["currentNumber"] = test.Env.CurrentNumber
+	env["previousHash"] = test.Env.PreviousHash
+	if n, ok := test.Env.CurrentTimestamp.(float64); ok {
+		env["currentTimestamp"] = strconv.Itoa(int(n))
+	} else {
+		env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		benchStateTest(test, env, b)
+	}
+
+	vm.DisableJit = pNoJit
+	vm.ForceJit = pForceJit
+
+	return nil
+}
+
+func benchStateTest(test VmTest, env map[string]string, b *testing.B) {
+	b.StopTimer()
+	db, _ := ethdb.NewMemDatabase()
+	statedb := state.New(common.Hash{}, db)
+	for addr, account := range test.Pre {
+		obj := StateObjectFromAccount(db, addr, account)
+		statedb.SetStateObject(obj)
+		for a, v := range account.Storage {
+			obj.SetState(common.HexToHash(a), common.HexToHash(v))
+		}
+	}
+	b.StartTimer()
+
+	RunState(statedb, env, test.Exec)
+}
+
 func runStateTests(tests map[string]VmTest, skipTests []string) error {
 	skipTest := make(map[string]bool, len(skipTests))
 	for _, name := range skipTests {

tests/vm_test.go

@@ -21,6 +21,20 @@ import (
 	"testing"
 )
 
+func BenchmarkVmAckermann32Tests(b *testing.B) {
+	fn := filepath.Join(vmTestDir, "vmPerformanceTest.json")
+	if err := BenchVmTest(fn, bconf{"ackermann32", true, false}, b); err != nil {
+		b.Error(err)
+	}
+}
+
+func BenchmarkVmFibonacci16Tests(b *testing.B) {
+	fn := filepath.Join(vmTestDir, "vmPerformanceTest.json")
+	if err := BenchVmTest(fn, bconf{"fibonacci16", true, true}, b); err != nil {
+		b.Error(err)
+	}
+}
+
 // I've created a new function for each tests so it's easier to identify where the problem lies if any of them fail.
 func TestVMArithmetic(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmArithmeticTest.json")

tests/vm_test_util.go

@@ -22,6 +22,7 @@ import (
 	"io"
 	"math/big"
 	"strconv"
+	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/state"
@@ -48,8 +49,79 @@ func RunVmTestWithReader(r io.Reader, skipTests []string) error {
 	return nil
 }
 
-func RunVmTest(p string, skipTests []string) error {
+type bconf struct {
+	name    string
+	precomp bool
+	nojit   bool
+}
+
+func BenchVmTest(p string, conf bconf, b *testing.B) error {
+	tests := make(map[string]VmTest)
+	err := readJsonFile(p, &tests)
+	if err != nil {
+		return err
+	}
+
+	test, ok := tests[conf.name]
+	if !ok {
+		return fmt.Errorf("test not found: %s", conf.name)
+	}
+
+	pNoJit := vm.DisableJit
+	vm.DisableJit = conf.nojit
+	pForceJit := vm.ForceJit
+	vm.ForceJit = conf.precomp
+
+	env := make(map[string]string)
+	env["currentCoinbase"] = test.Env.CurrentCoinbase
+	env["currentDifficulty"] = test.Env.CurrentDifficulty
+	env["currentGasLimit"] = test.Env.CurrentGasLimit
+	env["currentNumber"] = test.Env.CurrentNumber
+	env["previousHash"] = test.Env.PreviousHash
+	if n, ok := test.Env.CurrentTimestamp.(float64); ok {
+		env["currentTimestamp"] = strconv.Itoa(int(n))
+	} else {
+		env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
+	}
 
+	/*
+		if conf.precomp {
+			program := vm.NewProgram(test.code)
+			err := vm.AttachProgram(program)
+			if err != nil {
+				return err
+			}
+		}
+	*/
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		benchVmTest(test, env, b)
+	}
+
+	vm.DisableJit = pNoJit
+	vm.ForceJit = pForceJit
+
+	return nil
+}
+
+func benchVmTest(test VmTest, env map[string]string, b *testing.B) {
+	b.StopTimer()
+	db, _ := ethdb.NewMemDatabase()
+	statedb := state.New(common.Hash{}, db)
+	for addr, account := range test.Pre {
+		obj := StateObjectFromAccount(db, addr, account)
+		statedb.SetStateObject(obj)
+		for a, v := range account.Storage {
+			obj.SetState(common.HexToHash(a), common.HexToHash(v))
+		}
+	}
+	b.StartTimer()
+
+	RunVm(statedb, env, test.Exec)
+}
+
+func RunVmTest(p string, skipTests []string) error {
 	tests := make(map[string]VmTest)
 	err := readJsonFile(p, &tests)
 	if err != nil {