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Current Path: /opt/golang/1.19.4/src/math/big

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📁 ..
📄 accuracy_string.go(414 B)
📄 alias_test.go(8.81 KB)
📄 arith.go(8.28 KB)
📄 arith_386.s(4.07 KB)
📄 arith_amd64.go(306 B)
📄 arith_amd64.s(9.09 KB)
📄 arith_arm.s(4.03 KB)
📄 arith_arm64.s(11.88 KB)
📄 arith_decl.go(594 B)
📄 arith_decl_pure.go(1.04 KB)
📄 arith_decl_s390x.go(531 B)
📄 arith_loong64.s(745 B)
📄 arith_mips64x.s(817 B)
📄 arith_mipsx.s(809 B)
📄 arith_ppc64x.s(16.36 KB)
📄 arith_riscv64.s(786 B)
📄 arith_s390x.s(20.32 KB)
📄 arith_s390x_test.go(812 B)
📄 arith_test.go(19.88 KB)
📄 arith_wasm.s(641 B)
📄 bits_test.go(5.07 KB)
📄 calibrate_test.go(4.63 KB)
📄 decimal.go(6.63 KB)
📄 decimal_test.go(3.33 KB)
📄 doc.go(3.79 KB)
📄 example_rat_test.go(1.68 KB)
📄 example_test.go(4.05 KB)
📄 float.go(44.28 KB)
📄 float_test.go(51.94 KB)
📄 floatconv.go(8.34 KB)
📄 floatconv_test.go(24.27 KB)
📄 floatexample_test.go(3.63 KB)
📄 floatmarsh.go(3.53 KB)
📄 floatmarsh_test.go(3.92 KB)
📄 ftoa.go(13.55 KB)
📄 gcd_test.go(2.16 KB)
📄 hilbert_test.go(2.88 KB)
📄 int.go(30.26 KB)
📄 int_test.go(53.14 KB)
📄 intconv.go(6.69 KB)
📄 intconv_test.go(10.01 KB)
📄 intmarsh.go(2.14 KB)
📄 intmarsh_test.go(3.07 KB)
📄 link_test.go(1.4 KB)
📄 nat.go(26.73 KB)
📄 nat_test.go(23.56 KB)
📄 natconv.go(14.55 KB)
📄 natconv_test.go(16.85 KB)
📄 natdiv.go(34.15 KB)
📄 prime.go(10.34 KB)
📄 prime_test.go(7.1 KB)
📄 rat.go(13.47 KB)
📄 rat_test.go(18.89 KB)
📄 ratconv.go(9.78 KB)
📄 ratconv_test.go(15.75 KB)
📄 ratmarsh.go(2.1 KB)
📄 ratmarsh_test.go(3.3 KB)
📄 roundingmode_string.go(501 B)
📄 sqrt.go(2.79 KB)
📄 sqrt_test.go(4.81 KB)

Editing: gcd_test.go

// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file implements a GCD benchmark.
// Usage: go test math/big -test.bench GCD

package big

import (
	"math/rand"
	"testing"
)

// randInt returns a pseudo-random Int in the range [1<<(size-1), (1<<size) - 1]
func randInt(r *rand.Rand, size uint) *Int {
	n := new(Int).Lsh(intOne, size-1)
	x := new(Int).Rand(r, n)
	return x.Add(x, n) // make sure result > 1<<(size-1)
}

func runGCD(b *testing.B, aSize, bSize uint) {
	if isRaceBuilder && (aSize > 1000 || bSize > 1000) {
		b.Skip("skipping on race builder")
	}
	b.Run("WithoutXY", func(b *testing.B) {
		runGCDExt(b, aSize, bSize, false)
	})
	b.Run("WithXY", func(b *testing.B) {
		runGCDExt(b, aSize, bSize, true)
	})
}

func runGCDExt(b *testing.B, aSize, bSize uint, calcXY bool) {
	b.StopTimer()
	var r = rand.New(rand.NewSource(1234))
	aa := randInt(r, aSize)
	bb := randInt(r, bSize)
	var x, y *Int
	if calcXY {
		x = new(Int)
		y = new(Int)
	}
	b.StartTimer()
	for i := 0; i < b.N; i++ {
		new(Int).GCD(x, y, aa, bb)
	}
}

func BenchmarkGCD10x10(b *testing.B)         { runGCD(b, 10, 10) }
func BenchmarkGCD10x100(b *testing.B)        { runGCD(b, 10, 100) }
func BenchmarkGCD10x1000(b *testing.B)       { runGCD(b, 10, 1000) }
func BenchmarkGCD10x10000(b *testing.B)      { runGCD(b, 10, 10000) }
func BenchmarkGCD10x100000(b *testing.B)     { runGCD(b, 10, 100000) }
func BenchmarkGCD100x100(b *testing.B)       { runGCD(b, 100, 100) }
func BenchmarkGCD100x1000(b *testing.B)      { runGCD(b, 100, 1000) }
func BenchmarkGCD100x10000(b *testing.B)     { runGCD(b, 100, 10000) }
func BenchmarkGCD100x100000(b *testing.B)    { runGCD(b, 100, 100000) }
func BenchmarkGCD1000x1000(b *testing.B)     { runGCD(b, 1000, 1000) }
func BenchmarkGCD1000x10000(b *testing.B)    { runGCD(b, 1000, 10000) }
func BenchmarkGCD1000x100000(b *testing.B)   { runGCD(b, 1000, 100000) }
func BenchmarkGCD10000x10000(b *testing.B)   { runGCD(b, 10000, 10000) }
func BenchmarkGCD10000x100000(b *testing.B)  { runGCD(b, 10000, 100000) }
func BenchmarkGCD100000x100000(b *testing.B) { runGCD(b, 100000, 100000) }

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Editing: gcd_test.go

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