bigintinc_bench_test.go

package biigist

import (
	"math/big"
	"testing"

	"example.com/biigist/fp1280"
)

//go:generate go run fp1280_gen.go

func BenchmarkBigIntInc(b *testing.B) {
	for _, v := range benchTableBigIntInc {
		tBigInt, ok := big.NewInt(0).SetString(v.bignumstr, 10)
		if !ok {
			b.Fatalf("Failed to parse input as big int")
		}
		tBigIntCpy := big.NewInt(0).Set(tBigInt)

		fpOne := fp1280.NewElement(1)
		tfp := fp1280.NewElement(0)
		tfp.SetString(v.bignumstr)

		b.Run(v.name, func(b *testing.B) {
			switch v.benchOp {
			case BenchOpNewInt:
				for i := 0; i < b.N; i++ {
					big.NewInt(0).Set(tBigIntCpy)
				}
			case BenchOpNewIntAdd:
				for i := 0; i < b.N; i++ {
					bi := big.NewInt(0).Set(tBigIntCpy)
					bi.Add(bi, one)
				}
			case BenchOpNewIntInc:
				for i := 0; i < b.N; i++ {
					bi := big.NewInt(0).Set(tBigIntCpy)
					bigIntInc(bi)
				}
			case BenchOpAdd:
				for i := 0; i < b.N; i++ {
					tBigInt.Add(tBigInt, one)
				}
			case BenchOpInc:
				for i := 0; i < b.N; i++ {
					bigIntInc(tBigInt)
				}
			case BenchOpGnarkFAdd:
				for i := 0; i < b.N; i++ {
					tfp.Add(&tfp, &fpOne)
				}
			}
		})
	}
}

const (
	BenchOpNewInt = uint8(iota) // reference values for add and inc
	BenchOpNewIntAdd
	BenchOpNewIntInc
	BenchOpAdd
	BenchOpInc
	BenchOpGnarkFAdd
)

var benchTableBigIntInc = []struct {
	name      string
	benchOp   uint8
	bignumstr string
}{
	{"512bits_NewInt", BenchOpNewInt, "13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084095"},
	{"512bits_NewInt_Add", BenchOpNewIntAdd, "13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084095"},
	{"512bits_NewInt_Inc", BenchOpNewIntAdd, "13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084095"},
	{"513bits_BIAdd", BenchOpAdd, "13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096"},
	{"513bits_GFAdd", BenchOpGnarkFAdd, "13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096"},
	{"513bits_Inc", BenchOpInc, "13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096"},
	{"1025bits_BIAdd", BenchOpAdd, "179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216"},
	{"1025bits_GFAdd", BenchOpGnarkFAdd, "179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216"},
	{"1025bits_Inc", BenchOpInc, "179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216"},
}