neoneo-go/pkg/vm/opcode/isvalid_test.go
Roman Khimov 2c2ccdca74 opcode: optimize IsValid
Map access costs much more than array access.

name       old time/op  new time/op  delta
IsValid-8  17.6ns ± 2%   1.1ns ± 2%  -93.68%  (p=0.008 n=5+5)
2021-08-02 21:46:19 +03:00

15 lines
318 B
Go

package opcode
import (
"testing"
)
// IsValid() is called for every VM instruction.
func BenchmarkIsValid(t *testing.B) {
// Just so that we don't always test the same opcode.
script := []Opcode{NOP, ADD, SYSCALL, APPEND, 0xff, 0xf0}
l := len(script)
for n := 0; n < t.N; n++ {
_ = IsValid(script[n%l])
}
}