bit_test.go

package bit_test

import (
	"math/big"
	"testing"
)

func BenchmarkUint64(b *testing.B) {
	for i := 0; i < b.N; i++ {
		var x uint64
		for j := uint64(0); j < 64; j++ {
			x |= (1 << j)
		}
	}
}

func BenchmarkBig(b *testing.B) {
	for i := 0; i < b.N; i++ {
		x := big.NewInt(0)
		for j := 0; j < 64; j++ {
			x = x.SetBit(x, j, 1)
		}
	}

}