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vm: add dynamic opcode pricing #4087

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58 changes: 0 additions & 58 deletions pkg/vm/bench_test.go
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Original file line number Diff line number Diff line change
@@ -1,59 +1 @@
package vm

import (
"encoding/base64"
"strconv"
"testing"

"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/stretchr/testify/require"
)

func benchScript(t *testing.B, script []byte) {
for t.Loop() {
t.StopTimer()
vm := load(script)
t.StartTimer()
err := vm.Run()
t.StopTimer()
require.NoError(t, err)
t.StartTimer()
}
}

// Shared as is by @ixje once upon a time (compiled from Python).
func BenchmarkScriptFibonacci(t *testing.B) {
var script = []byte{87, 5, 0, 16, 112, 17, 113, 105, 104, 18, 192, 114, 16, 115, 34, 28, 104, 105, 158, 116, 106, 108, 75,
217, 48, 38, 5, 139, 34, 5, 207, 34, 3, 114, 105, 112, 108, 113, 107, 17, 158, 115, 107, 12, 2, 94, 1,
219, 33, 181, 36, 222, 106, 64}
benchScript(t, script)
}

func BenchmarkScriptNestedRefCount(t *testing.B) {
b64script := "whBNEcARTRHAVgEB/gGdYBFNEU0SwFMSwFhKJPNFUUVFRQ=="
script, err := base64.StdEncoding.DecodeString(b64script)
require.NoError(t, err)
benchScript(t, script)
}

func BenchmarkScriptPushPop(t *testing.B) {
for _, i := range []int{4, 16, 128, 1024} {
t.Run(strconv.Itoa(i), func(t *testing.B) {
var script = make([]byte, i*2)
for p := range i {
script[p] = byte(opcode.PUSH1)
script[i+p] = byte(opcode.DROP)
}
benchScript(t, script)
})
}
}

func BenchmarkIsSignatureContract(t *testing.B) {
b64script := "DCED2eixa9myLTNF1tTN4xvhw+HRYVMuPQzOy5Xs4utYM25BVuezJw=="
script, err := base64.StdEncoding.DecodeString(b64script)
require.NoError(t, err)
for t.Loop() {
_ = IsSignatureContract(script)
}
}
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