From 6dc32e897a0e71982adbbf7123e19115f27f7135 Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Wed, 28 Jun 2017 11:45:45 +0200
Subject: core/vm: add benchmarks for some ops and precompiles (#14641)

---
 core/vm/instructions_test.go | 242 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 242 insertions(+)

(limited to 'core')

diff --git a/core/vm/instructions_test.go b/core/vm/instructions_test.go
index ae428aeab..03c42c561 100644
--- a/core/vm/instructions_test.go
+++ b/core/vm/instructions_test.go
@@ -1,6 +1,7 @@
 package vm
 
 import (
+	"fmt"
 	"math/big"
 	"testing"
 
@@ -40,3 +41,244 @@ func TestByteOp(t *testing.T) {
 		}
 	}
 }
+
+func opBenchmark(bench *testing.B, op func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error), args ...string) {
+	var (
+		env   = NewEVM(Context{}, nil, params.TestChainConfig, Config{EnableJit: false, ForceJit: false})
+		stack = newstack()
+	)
+	// convert args
+	byteArgs := make([][]byte, len(args))
+	for i, arg := range args {
+		byteArgs[i] = common.Hex2Bytes(arg)
+	}
+	pc := uint64(0)
+	bench.ResetTimer()
+	for i := 0; i < bench.N; i++ {
+		for _, arg := range byteArgs {
+			a := new(big.Int).SetBytes(arg)
+			stack.push(a)
+		}
+		op(&pc, env, nil, nil, stack)
+		stack.pop()
+	}
+}
+
+func precompiledBenchmark(addr, input, expected string, gas uint64, bench *testing.B) {
+
+	contract := NewContract(AccountRef(common.HexToAddress("1337")),
+		nil, new(big.Int), gas)
+
+	p := PrecompiledContracts[common.HexToAddress(addr)]
+	in := common.Hex2Bytes(input)
+	var (
+		res []byte
+		err error
+	)
+	data := make([]byte, len(in))
+	bench.ResetTimer()
+	for i := 0; i < bench.N; i++ {
+		contract.Gas = gas
+		copy(data, in)
+		res, err = RunPrecompiledContract(p, data, contract)
+	}
+	bench.StopTimer()
+	//Check if it is correct
+	if err != nil {
+		bench.Error(err)
+		return
+	}
+	if common.Bytes2Hex(res) != expected {
+		bench.Error(fmt.Sprintf("Expected %v, got %v", expected, common.Bytes2Hex(res)))
+		return
+	}
+}
+
+func BenchmarkPrecompiledEcdsa(bench *testing.B) {
+	var (
+		addr = "01"
+		inp  = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
+		exp  = "000000000000000000000000ceaccac640adf55b2028469bd36ba501f28b699d"
+		gas  = uint64(4000000)
+	)
+	precompiledBenchmark(addr, inp, exp, gas, bench)
+}
+func BenchmarkPrecompiledSha256(bench *testing.B) {
+	var (
+		addr = "02"
+		inp  = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
+		exp  = "811c7003375852fabd0d362e40e68607a12bdabae61a7d068fe5fdd1dbbf2a5d"
+		gas  = uint64(4000000)
+	)
+	precompiledBenchmark(addr, inp, exp, gas, bench)
+}
+func BenchmarkPrecompiledRipeMD(bench *testing.B) {
+	var (
+		addr = "03"
+		inp  = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
+		exp  = "0000000000000000000000009215b8d9882ff46f0dfde6684d78e831467f65e6"
+		gas  = uint64(4000000)
+	)
+	precompiledBenchmark(addr, inp, exp, gas, bench)
+}
+func BenchmarkPrecompiledIdentity(bench *testing.B) {
+	var (
+		addr = "04"
+		inp  = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
+		exp  = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
+		gas  = uint64(4000000)
+	)
+	precompiledBenchmark(addr, inp, exp, gas, bench)
+}
+func BenchmarkOpAdd(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opAdd, x, y)
+
+}
+func BenchmarkOpSub(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opSub, x, y)
+
+}
+func BenchmarkOpMul(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opMul, x, y)
+
+}
+func BenchmarkOpDiv(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opDiv, x, y)
+
+}
+func BenchmarkOpSdiv(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opSdiv, x, y)
+
+}
+func BenchmarkOpMod(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opMod, x, y)
+
+}
+func BenchmarkOpSmod(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opSmod, x, y)
+
+}
+func BenchmarkOpExp(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opExp, x, y)
+
+}
+func BenchmarkOpSignExtend(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opSignExtend, x, y)
+
+}
+func BenchmarkOpLt(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opLt, x, y)
+
+}
+func BenchmarkOpGt(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opGt, x, y)
+
+}
+func BenchmarkOpSlt(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opSlt, x, y)
+
+}
+func BenchmarkOpSgt(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opSgt, x, y)
+
+}
+func BenchmarkOpEq(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opEq, x, y)
+
+}
+func BenchmarkOpAnd(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opAnd, x, y)
+
+}
+func BenchmarkOpOr(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opOr, x, y)
+
+}
+func BenchmarkOpXor(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opXor, x, y)
+
+}
+func BenchmarkOpByte(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opByte, x, y)
+
+}
+
+func BenchmarkOpAddmod(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	z := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opAddmod, x, y, z)
+
+}
+func BenchmarkOpMulmod(b *testing.B) {
+	x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+	z := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
+
+	opBenchmark(b, opMulmod, x, y, z)
+
+}
+
+//func BenchmarkOpSha3(b *testing.B) {
+//	x := "0"
+//	y := "32"
+//
+//	opBenchmark(b,opSha3, x, y)
+//
+//
+//}
-- 
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