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opt / golang / 1.19.4 / src / cmd / compile / internal / test /

📁 ..
📄 README(205 B)
📄 abiutils_test.go(14.51 KB)
📄 abiutilsaux_test.go(3.24 KB)
📄 align_test.go(1.57 KB)
📄 bench_test.go(2.08 KB)
📄 clobberdead_test.go(1.25 KB)
📄 constFold_test.go(322.99 KB)
📄 dep_test.go(858 B)
📄 divconst_test.go(7.74 KB)
📄 fixedbugs_test.go(2.24 KB)
📄 float_test.go(12.48 KB)
📄 global_test.go(2.59 KB)
📄 iface_test.go(1.92 KB)
📄 inl_test.go(8.19 KB)
📄 inst_test.go(2.21 KB)
📄 intrinsics_test.go(1.08 KB)
📄 issue50182_test.go(1.24 KB)
📄 lang_test.go(1.47 KB)
📄 logic_test.go(11.08 KB)
📄 mulconst_test.go(4.29 KB)
📄 race.go(1.33 KB)
📄 reproduciblebuilds_test.go(2.9 KB)
📄 shift_test.go(21.62 KB)
📄 ssa_test.go(5.12 KB)
📄 switch_test.go(2.29 KB)
📄 test.go(13 B)
📁 testdata
📄 truncconst_test.go(1.76 KB)
📄 zerorange_test.go(4.06 KB)

Editing: bench_test.go

// Copyright 2020 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.

package test

import "testing"

var globl int64
var globl32 int32

func BenchmarkLoadAdd(b *testing.B) {
	x := make([]int64, 1024)
	y := make([]int64, 1024)
	for i := 0; i < b.N; i++ {
		var s int64
		for i := range x {
			s ^= x[i] + y[i]
		}
		globl = s
	}
}

// Added for ppc64 extswsli on power9
func BenchmarkExtShift(b *testing.B) {
	x := make([]int32, 1024)
	for i := 0; i < b.N; i++ {
		var s int64
		for i := range x {
			s ^= int64(x[i]+32) * 8
		}
		globl = s
	}
}

func BenchmarkModify(b *testing.B) {
	a := make([]int64, 1024)
	v := globl
	for i := 0; i < b.N; i++ {
		for j := range a {
			a[j] += v
		}
	}
}

func BenchmarkMullImm(b *testing.B) {
	x := make([]int32, 1024)
	for i := 0; i < b.N; i++ {
		var s int32
		for i := range x {
			s += x[i] * 100
		}
		globl32 = s
	}
}

func BenchmarkConstModify(b *testing.B) {
	a := make([]int64, 1024)
	for i := 0; i < b.N; i++ {
		for j := range a {
			a[j] += 3
		}
	}
}

func BenchmarkBitSet(b *testing.B) {
	const N = 64 * 8
	a := make([]uint64, N/64)
	for i := 0; i < b.N; i++ {
		for j := uint64(0); j < N; j++ {
			a[j/64] |= 1 << (j % 64)
		}
	}
}

func BenchmarkBitClear(b *testing.B) {
	const N = 64 * 8
	a := make([]uint64, N/64)
	for i := 0; i < b.N; i++ {
		for j := uint64(0); j < N; j++ {
			a[j/64] &^= 1 << (j % 64)
		}
	}
}

func BenchmarkBitToggle(b *testing.B) {
	const N = 64 * 8
	a := make([]uint64, N/64)
	for i := 0; i < b.N; i++ {
		for j := uint64(0); j < N; j++ {
			a[j/64] ^= 1 << (j % 64)
		}
	}
}

func BenchmarkBitSetConst(b *testing.B) {
	const N = 64
	a := make([]uint64, N)
	for i := 0; i < b.N; i++ {
		for j := range a {
			a[j] |= 1 << 37
		}
	}
}

func BenchmarkBitClearConst(b *testing.B) {
	const N = 64
	a := make([]uint64, N)
	for i := 0; i < b.N; i++ {
		for j := range a {
			a[j] &^= 1 << 37
		}
	}
}

func BenchmarkBitToggleConst(b *testing.B) {
	const N = 64
	a := make([]uint64, N)
	for i := 0; i < b.N; i++ {
		for j := range a {
			a[j] ^= 1 << 37
		}
	}
}

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Editing: bench_test.go

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