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core/vm: reduce overhead in instructions-benchmark (#24860)

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* core/vm: reduce footprint of OP benchmark

* core/vm: for opBenchmark, add code to detect inputs mutation

* Update core/vm/instructions_test.go

Co-authored-by: Martin Holst Swende <martin@swende.se>

* core/vm: opBenchmark, stop timer before sanity-test code

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
Qian Bin 2022-05-17 15:21:43 +08:00 committed by GitHub
parent af806168b6
commit fe5a26733c
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1 changed files with 14 additions and 7 deletions
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21
core/vm/instructions_test.go
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@ -284,26 +284,33 @@ func opBenchmark(bench *testing.B, op executionFunc, args ...string) {
var (
env = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
stack = newstack()
scope = &ScopeContext{nil, stack, nil}
evmInterpreter = NewEVMInterpreter(env, env.Config)
)
env.interpreter = evmInterpreter
// convert args
byteArgs := make([][]byte, len(args))
intArgs := make([]*uint256.Int, len(args))
for i, arg := range args {
byteArgs[i] = common.Hex2Bytes(arg)
intArgs[i] = new(uint256.Int).SetBytes(common.Hex2Bytes(arg))
}
pc := uint64(0)
bench.ResetTimer()
for i := 0; i < bench.N; i++ {
for _, arg := range byteArgs {
a := new(uint256.Int)
a.SetBytes(arg)
stack.push(a)
for _, arg := range intArgs {
stack.push(arg)
}
op(&pc, evmInterpreter, &ScopeContext{nil, stack, nil})
op(&pc, evmInterpreter, scope)
stack.pop()
}
bench.StopTimer()
for i, arg := range args {
want := new(uint256.Int).SetBytes(common.Hex2Bytes(arg))
if have := intArgs[i]; !want.Eq(have) {
bench.Fatalf("input #%d mutated, have %x want %x", i, have, want)
}
}
}
func BenchmarkOpAdd64(b *testing.B) {