Gecko [ 167.86.127.34 ]

Name	Size	Permission
internal	[ DIR ]	drwxr-xr-x
iotest	[ DIR ]	drwxr-xr-x
quick	[ DIR ]	drwxr-xr-x
allocs.go	1.36 KB	-rw-r--r--
allocs_test.go	825 B	-rw-r--r--
benchmark.go	22.34 KB	-rw-r--r--
benchmark_test.go	3.94 KB	-rw-r--r--
cover.go	3.26 KB	-rw-r--r--
example.go	2.5 KB	-rw-r--r--
export_test.go	207 B	-rw-r--r--
helper_test.go	1.63 KB	-rw-r--r--
helperfuncs_test.go	1.34 KB	-rw-r--r--
match.go	3.51 KB	-rw-r--r--
match_test.go	5.11 KB	-rw-r--r--
panic_test.go	6.04 KB	-rw-r--r--
run_example.go	1.21 KB	-rw-r--r--
run_example_js.go	1.68 KB	-rw-r--r--
sub_test.go	21.82 KB	-rw-r--r--
testing.go	47.33 KB	-rw-r--r--
testing_test.go	448 B	-rw-r--r--

Code Editor : allocs.go

// Copyright 2013 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 testing

import (
	"runtime"
)

// AllocsPerRun returns the average number of allocations during calls to f.
// Although the return value has type float64, it will always be an integral value.
//
// To compute the number of allocations, the function will first be run once as
// a warm-up. The average number of allocations over the specified number of
// runs will then be measured and returned.
//
// AllocsPerRun sets GOMAXPROCS to 1 during its measurement and will restore
// it before returning.
func AllocsPerRun(runs int, f func()) (avg float64) {
	defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(1))

// Warm up the function
	f()

// Measure the starting statistics
	var memstats runtime.MemStats
	runtime.ReadMemStats(&memstats)
	mallocs := 0 - memstats.Mallocs

// Run the function the specified number of times
	for i := 0; i < runs; i++ {
		f()
	}

// Read the final statistics
	runtime.ReadMemStats(&memstats)
	mallocs += memstats.Mallocs

// Average the mallocs over the runs (not counting the warm-up).
	// We are forced to return a float64 because the API is silly, but do
	// the division as integers so we can ask if AllocsPerRun()==1
	// instead of AllocsPerRun()<2.
	return float64(mallocs / uint64(runs))
}

${this.title}

Code Editor : allocs.go