Created
August 3, 2016 02:06
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Test memory allocation
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| package main | |
| import ( | |
| "fmt" | |
| "os" | |
| "strconv" | |
| ) | |
| func main() { | |
| if len(os.Args) != 2 { | |
| fmt.Fprintln(os.Stderr, "Usage:", os.Args[0], "<mem MB>") | |
| os.Exit(1) | |
| } | |
| mb, err := strconv.Atoi(os.Args[1]) | |
| if err != nil { | |
| fmt.Fprintln(os.Stderr, "Invalid size:", os.Args[1]) | |
| os.Exit(1) | |
| } | |
| fmt.Println("Allocating...") | |
| data := make([]byte, mb*(1<<20)) | |
| fmt.Println("Overwriting with zeroes on loop...") | |
| for { | |
| for i := range data { | |
| data[i] = 0 | |
| } | |
| } | |
| } |
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