}

func BenchmarkCopyNSmall(b *testing.B) {
	bs := bytes.Repeat([]byte{0}, 512+1)
	rd := bytes.NewReader(bs)
	buf := new(Buffer)
	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		CopyN(buf, rd, 512)
		rd.Reset(bs)
	}
}

func BenchmarkCopyNLarge(b *testing.B) {
	bs := bytes.Repeat([]byte{0}, (32*1024)+1)
	rd := bytes.NewReader(bs)
	buf := new(Buffer)
	b.ResetTimer()

	for i := 0; i < b.N; i++ {

				}
				rd.Headers.Request = h
			case k8s.HTTPRouteFilterResponseHeaderModifier:
				h := createHeadersFilter(filter.ResponseHeaderModifier)
				if h == nil {
					continue
				}
				if rd.Headers == nil {
					rd.Headers = &istio.Headers{}
				}
				rd.Headers.Response = h
			default:
				return nil, nil, &ConfigError{Reason: InvalidFilter, Message: fmt.Sprintf("unsupported filter type %q", filter.Type)}
			}

			v = int32(p.To.Target().Pc-p.Pc) >> 2
		}
		as, rd, rj, width := p.As, p.Reg, p.From.Reg, 16
		switch as {
		case ABGTZ, ABLEZ:
			rd, rj = rj, rd
		case ABFPT, ABFPF:
			width = 21
			// FCC0 is the implicit source operand, now that we
			// don't register-allocate from the FCC bank.
			rd = REG_FCC0
		case ABEQ, ABNE:
			if rd == 0 || rd == REGZERO || rj == REGZERO {

	}
}

func mergeServerCtxtFromConfigFile(configFile string, ctxt *serverCtxt) error {
	rd, err := xioutil.ReadFile(configFile)
	if err != nil {
		return err
	}

	cfReader := bytes.NewReader(rd)

	cv := config.ServerConfigVersion{}
	if err = yaml.Unmarshal(rd, &cv); err != nil {
		return err
	}

	switch cv.Version {
	case "v1", "v2":
	default:

    private static final List<String> UNITS = unmodifiableList(asList(" B", " KiB", " MiB", " GiB", " TiB", " PiB", " EiB"));
    private static final List<String> ORDINAL_SUFFIXES = unmodifiableList(asList("th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"));


    /**
     * Percentage (0-...) of given input.
     *
     * @param fraction the fraction of total, must be &gt;= 0. if 0, the result will be 100.

	}
	if err := gopts.SetMatchETag(srcObjInfo.ETag); err != nil {
		return err
	}
	rd, objInfo, _, err := core.GetObject(ctx, srcBucket, srcObject, gopts)
	if err != nil {
		return ErrorRespToObjectError(err, srcBucket, srcObject, srcObjInfo.VersionID)
	}
	defer rd.Close()

	hr, err := hash.NewReader(ctx, rd, objInfo.Size, "", "", objInfo.Size)
	if err != nil {
		return err
	}

			startWG.Add(clientsPerFlow[0] + clientsPerFlow[1])
			// Launch 20 client threads for each flow
			for flow := 0; flow < 2; flow++ {
				username := usernames[flow]
				flowUser := testUser{name: username}
				rd := RequestDigest{
					RequestInfo: reqInfo,
					User:        flowUser,
				}
				concIntegrator := fq.NewNamedIntegrator(clk, username)
				concIntegrators[flow] = concIntegrator
				exec := func() {

func ParseProfilesFromReader(rd io.Reader) ([]*Profile, error) {
	// First line is "mode: foo", where foo is "set", "count", or "atomic".
	// Rest of file is in the format
	//	encoding/base64/base64.go:34.44,37.40 3 1
	// where the fields are: name.go:line.column,line.column numberOfStatements count
	files := make(map[string]*Profile)
	s := bufio.NewScanner(rd)
	mode := ""
	for s.Scan() {
		line := s.Text()

		// This will return when the write side is closed.
		n, err := syscall.Read(int(rd.Fd()), data)
		if !(n == 0 && err == nil) {
			t.Errorf("expected read to return 0, got %d, %s", n, err)
		}

		// Clean up rd and also ensure rd stays reachable so
		// it doesn't get closed by GC.
		rd.Close()
		wg.Done()
	}()
	<-ready

	// Loop here to give the goroutine more time to block in read.

		"",