| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "io" |
| 6 | "log" |
| 7 | "os" |
| 8 | "os/exec" |
| 9 | "path" |
| 10 | "testing" |
| 11 | |
| 12 | "github.com/ipfs/kubo/thirdparty/unit" |
| 13 | |
| 14 | random "github.com/ipfs/go-test/random" |
| 15 | config "github.com/ipfs/kubo/config" |
| 16 | ) |
| 17 | |
| 18 | func main() { |
| 19 | if err := compareResults(); err != nil { |
| 20 | log.Fatal(err) |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | func compareResults() error { |
| 25 | var amount unit.Information |
| 26 | for amount = 10 * unit.MB; amount > 0; amount = amount * 2 { |
| 27 | if results, err := benchmarkAdd(int64(amount)); err != nil { // TODO compare |
| 28 | return err |
| 29 | } else { |
| 30 | log.Println(amount, "\t", results) |
| 31 | } |
| 32 | } |
| 33 | return nil |
| 34 | } |
| 35 | |
| 36 | func benchmarkAdd(amount int64) (*testing.BenchmarkResult, error) { |
| 37 | results := testing.Benchmark(func(b *testing.B) { |
| 38 | b.SetBytes(amount) |
| 39 | for i := 0; i < b.N; i++ { |
| 40 | b.StopTimer() |
| 41 | tmpDir := b.TempDir() |
| 42 | |
| 43 | env := append(os.Environ(), fmt.Sprintf("%s=%s", config.EnvDir, path.Join(tmpDir, config.DefaultPathName))) |
| 44 | setupCmd := func(cmd *exec.Cmd) { |
| 45 | cmd.Env = env |
| 46 | } |
| 47 | |
| 48 | cmd := exec.Command("ipfs", "init") |
| 49 | setupCmd(cmd) |
| 50 | if err := cmd.Run(); err != nil { |
| 51 | b.Fatal(err) |
| 52 | } |
| 53 | |
| 54 | const seed = 1 |
| 55 | f, err := os.CreateTemp("", "") |
| 56 | if err != nil { |
| 57 | b.Fatal(err) |
| 58 | } |
| 59 | defer os.Remove(f.Name()) |
| 60 | |
| 61 | randReader := &io.LimitedReader{ |
| 62 | R: random.NewSeededRand(seed), |
| 63 | N: amount, |
| 64 | } |
| 65 | _, err = io.Copy(f, randReader) |
| 66 | if err != nil { |
| 67 | b.Fatal(err) |
| 68 | } |
| 69 | if err := f.Close(); err != nil { |
| 70 | b.Fatal(err) |
| 71 | } |
| 72 | |
| 73 | b.StartTimer() |
| 74 | cmd = exec.Command("ipfs", "add", f.Name()) |
| 75 | setupCmd(cmd) |
| 76 | if err := cmd.Run(); err != nil { |
| 77 | b.Fatal(err) |
| 78 | } |
| 79 | b.StopTimer() |
| 80 | } |
| 81 | }) |
| 82 | return &results, nil |
| 83 | } |