setIndexes  [][]uint64 // All the sets.
}

// Supported set sizes this is used to find the optimal
// single set size.
var setSizes = []uint64{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}

// getDivisibleSize - returns a greatest common divisor of
// all the ellipses sizes.
func getDivisibleSize(totalSizes []uint64) (result uint64) {
	gcd := func(x, y uint64) uint64 {
		for y != 0 {
			x, y = y, x%y
		}

			[]uint64{64},
			[][]uint64{{16, 16, 16, 16}},
			true,
		},
		{
			[]string{"data{1...24}"},
			[]uint64{24},
			[][]uint64{{12, 12}},
			true,
		},
		{
			[]string{"data/controller{1...11}/export{1...8}"},
			[]uint64{88},
			[][]uint64{{11, 11, 11, 11, 11, 11, 11, 11}},
			true,
		},
		{
			[]string{"data{1...4}"},
			[]uint64{4},
			[][]uint64{{4}},
			true,

//msgp:tuple replicationStatsV1
type replicationStatsV1 struct {
	PendingSize          uint64
	ReplicatedSize       uint64
	FailedSize           uint64
	ReplicaSize          uint64
	FailedCount          uint64
	PendingCount         uint64
	MissedThresholdSize  uint64
	AfterThresholdSize   uint64
	MissedThresholdCount uint64
	AfterThresholdCount  uint64
}

func (rsv1 replicationStatsV1) Empty() bool {

	d.dirRecordsThisDisk = b.uint64() // total number of entries in the central directory on this disk
	d.directoryRecords = b.uint64()   // total number of entries in the central directory
	d.directorySize = b.uint64()      // size of the central directory
	d.directoryOffset = b.uint64()    // offset of start of central directory with respect to the starting disk number

	return nil

type connStats struct {
	internodeInputBytes  uint64
	internodeOutputBytes uint64
	s3InputBytes         uint64
	s3OutputBytes        uint64
}

// Increase internode total input bytes
func (s *connStats) incInternodeInputBytes(n int64) {
	atomic.AddUint64(&s.internodeInputBytes, uint64(n))
}

// Increase internode total output bytes
func (s *connStats) incInternodeOutputBytes(n int64) {

	if objAPI == nil {
		return SpeedTestResult{}, errServerNotInitialized
	}

	var wg sync.WaitGroup
	var errOnce sync.Once
	var retError string
	var totalBytesWritten uint64
	var totalBytesRead uint64

	objCountPerThread := make([]uint64, opts.concurrency)

	uploadsCtx, uploadsCancel := context.WithTimeout(ctx, opts.duration)
	defer uploadsCancel()

	objNamePrefix := pathJoin(speedTest, mustGetUUID())

			case uint8:
				field.ReflectValueOf(ctx, value).SetUint(uint64(data))
			case uint16:
				field.ReflectValueOf(ctx, value).SetUint(uint64(data))
			case uint32:
				field.ReflectValueOf(ctx, value).SetUint(uint64(data))
			case int64:
				field.ReflectValueOf(ctx, value).SetUint(uint64(data))
			case int:
				field.ReflectValueOf(ctx, value).SetUint(uint64(data))
			case int8:

			b.uint32(uint32max) // uncompressed size

			// append a zip64 extra block to Extra
			var buf [28]byte // 2x uint16 + 3x uint64
			eb := writeBuf(buf[:])
			eb.uint16(zip64ExtraID)
			eb.uint16(24) // size = 3x uint64
			eb.uint64(h.UncompressedSize64)
			eb.uint64(h.CompressedSize64)
			eb.uint64(h.offset)
			h.Extra = append(h.Extra, buf[:]...)
		} else {
			b.uint32(h.CompressedSize)
			b.uint32(h.UncompressedSize)

pkg sync/atomic, method (*Uint32) Swap(uint32) uint32 #50860
pkg sync/atomic, method (*Uint64) Add(uint64) uint64 #50860
pkg sync/atomic, method (*Uint64) CompareAndSwap(uint64, uint64) bool #50860
pkg sync/atomic, method (*Uint64) Load() uint64 #50860
pkg sync/atomic, method (*Uint64) Store(uint64) #50860
pkg sync/atomic, method (*Uint64) Swap(uint64) uint64 #50860
pkg sync/atomic, method (*Uintptr) Add(uintptr) uintptr #50860

type suffixSaver struct {
	keep  int
	buf   []byte
	start int
	size  int64
}

func (ss *suffixSaver) Size() int64 { return ss.size }

var errDiscardedBytes = errors.New("ReadAt of discarded bytes")

func (ss *suffixSaver) ReadAt(p []byte, off int64) (n int, err error) {
	back := ss.size - off
	if back > int64(ss.keep) {
		return 0, errDiscardedBytes
	}
	suf := ss.Suffix()