Adding upstream version 0.0~git20250520.a1d9079+dfsg.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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456 changed files with 70406 additions and 0 deletions
171
bind/testdata/benchmark/benchmark.go
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171
bind/testdata/benchmark/benchmark.go
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// Copyright 2016 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 benchmark contains benchmarking bound functions for internal use.
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package benchmark
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import (
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"log"
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"time"
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)
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type Benchmarks interface {
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// It seems to be much faster to call a native function from Java
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// when there is already a native call earlier in the stack.
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// Run runs a named benchmark from a different thread, with
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// no native call prior in the stack.
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Run(name string, n int)
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// RunDirect runs a named benchmark directly, with the native
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// context from the call itself.
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RunDirect(name string, n int)
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// Callbacks for Go benchmarks
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NewI() I
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Noargs()
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Onearg(_ int)
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Oneret() int
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Ref(_ I)
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Manyargs(_, _, _, _, _, _, _, _, _, _ int)
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String(_ string)
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StringRetShort() string
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StringRetLong() string
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Slice(_ []byte)
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}
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type (
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I interface {
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F()
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}
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AnI struct {
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}
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)
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func (_ *AnI) F() {
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}
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func NewI() I {
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return new(AnI)
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}
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func runBenchmark(name string, f func(n int)) {
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// Run once for warmup
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f(1)
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n := 1000
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var dt time.Duration
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minDuration := 1 * time.Second
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for dt < minDuration {
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n *= 2
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t0 := time.Now()
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f(n)
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dt = time.Since(t0)
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}
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log.Printf("Benchmark%s %d %d ns/op\n", name, n, dt.Nanoseconds()/int64(n))
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}
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func runGoBenchmark(name string, f func()) {
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runBenchmark("Go"+name, func(n int) {
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for i := 0; i < n; i++ {
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f()
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}
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})
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runBenchmark("Go"+name+"Direct", func(n int) {
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done := make(chan struct{})
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go func() {
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for i := 0; i < n; i++ {
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f()
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}
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close(done)
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}()
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<-done
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})
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}
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func RunBenchmarks(b Benchmarks) {
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names := []string{
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"Empty",
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"Noargs",
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"Onearg",
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"Oneret",
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"Manyargs",
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"Refforeign",
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"Refgo",
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"StringShort",
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"StringLong",
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"StringShortUnicode",
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"StringLongUnicode",
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"StringRetShort",
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"StringRetLong",
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"SliceShort",
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"SliceLong",
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}
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for _, name := range names {
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runBenchmark("Foreign"+name, func(n int) {
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b.Run(name, n)
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})
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runBenchmark("Foreign"+name+"Direct", func(n int) {
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b.RunDirect(name, n)
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})
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}
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runGoBenchmark("Empty", func() {})
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runGoBenchmark("Noarg", func() { b.Noargs() })
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runGoBenchmark("Onearg", func() { b.Onearg(0) })
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runGoBenchmark("Oneret", func() { b.Oneret() })
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foreignRef := b.NewI()
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runGoBenchmark("Refforeign", func() { b.Ref(foreignRef) })
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goRef := NewI()
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runGoBenchmark("Refgo", func() { b.Ref(goRef) })
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runGoBenchmark("Manyargs", func() { b.Manyargs(0, 0, 0, 0, 0, 0, 0, 0, 0, 0) })
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runGoBenchmark("StringShort", func() { b.String(ShortString) })
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runGoBenchmark("StringLong", func() { b.String(LongString) })
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runGoBenchmark("StringShortUnicode", func() { b.String(ShortStringUnicode) })
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runGoBenchmark("StringLongUnicode", func() { b.String(LongStringUnicode) })
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runGoBenchmark("StringRetShort", func() { b.StringRetShort() })
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runGoBenchmark("StringRetLong", func() { b.StringRetLong() })
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runGoBenchmark("SliceShort", func() { b.Slice(ShortSlice) })
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runGoBenchmark("SliceLong", func() { b.Slice(LongSlice) })
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}
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func Noargs() {
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}
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func Onearg(_ int) {
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}
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func Manyargs(_, _, _, _, _, _, _, _, _, _ int) {
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}
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func Oneret() int {
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return 0
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}
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func String(_ string) {
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}
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func StringRetShort() string {
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return ShortString
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}
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func StringRetLong() string {
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return LongString
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}
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func Slice(_ []byte) {
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}
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func Ref(_ I) {
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}
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var (
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ShortSlice = make([]byte, 10)
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LongSlice = make([]byte, 100000)
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)
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const (
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ShortString = "Hello, World!"
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LongString = "Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World! Hello, World!, World!"
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ShortStringUnicode = "Hello, 世界!"
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LongStringUnicode = "Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界! Hello, 世界!, 世界!"
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)
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