ff5f50c52c
Update to current version of Go library. Update testsuite for removed types. * go-lang.c (go_langhook_init): Omit float_type_size when calling go_create_gogo. * go-c.h: Update declaration of go_create_gogo. From-SVN: r169098
123 lines
2.1 KiB
Go
123 lines
2.1 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package vector
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import (
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"fmt"
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"runtime"
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"strings"
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"testing"
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)
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const memTestN = 1000000
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func s(n uint64) string {
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str := fmt.Sprintf("%d", n)
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lens := len(str)
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a := make([]string, (lens+2)/3)
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start := lens
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for i := range a {
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start -= 3
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if start < 0 {
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start = 0
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}
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a[len(a)-i-1] = str[start:lens]
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lens -= 3
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}
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return strings.Join(a, " ")
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}
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func TestVectorNums(t *testing.T) {
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var v Vector
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c := int(0)
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runtime.GC()
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m0 := runtime.MemStats
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v.Resize(memTestN, memTestN)
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for i := 0; i < memTestN; i++ {
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v.Set(i, c)
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}
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runtime.GC()
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m := runtime.MemStats
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v.Resize(0, 0)
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runtime.GC()
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n := m.Alloc - m0.Alloc
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t.Logf("%T.Push(%#v), n = %s: Alloc/n = %.2f\n", v, c, s(memTestN), float64(n)/memTestN)
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}
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func TestIntVectorNums(t *testing.T) {
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var v IntVector
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c := int(0)
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runtime.GC()
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m0 := runtime.MemStats
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v.Resize(memTestN, memTestN)
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for i := 0; i < memTestN; i++ {
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v.Set(i, c)
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}
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runtime.GC()
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m := runtime.MemStats
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v.Resize(0, 0)
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runtime.GC()
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n := m.Alloc - m0.Alloc
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t.Logf("%T.Push(%#v), n = %s: Alloc/n = %.2f\n", v, c, s(memTestN), float64(n)/memTestN)
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}
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func TestStringVectorNums(t *testing.T) {
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var v StringVector
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c := ""
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runtime.GC()
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m0 := runtime.MemStats
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v.Resize(memTestN, memTestN)
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for i := 0; i < memTestN; i++ {
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v.Set(i, c)
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}
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runtime.GC()
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m := runtime.MemStats
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v.Resize(0, 0)
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runtime.GC()
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n := m.Alloc - m0.Alloc
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t.Logf("%T.Push(%#v), n = %s: Alloc/n = %.2f\n", v, c, s(memTestN), float64(n)/memTestN)
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}
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func BenchmarkVectorNums(b *testing.B) {
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c := int(0)
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var v Vector
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b.StopTimer()
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runtime.GC()
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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v.Push(c)
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}
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}
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func BenchmarkIntVectorNums(b *testing.B) {
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c := int(0)
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var v IntVector
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b.StopTimer()
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runtime.GC()
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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v.Push(c)
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}
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}
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func BenchmarkStringVectorNums(b *testing.B) {
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c := ""
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var v StringVector
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b.StopTimer()
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runtime.GC()
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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v.Push(c)
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}
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}
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