var tHdr, tMeta []byte // Zero copy bytes
	for i := 0; i < versions; i++ {
		tHdr, buf, e = msgp.ReadBytesZC(buf)
		if e != nil {
			return e
		}
		tMeta, buf, e = msgp.ReadBytesZC(buf)
		if e != nil {
			return e
		}
		if e = fn(i, tHdr, tMeta); e != nil {
			return e
		}
	}
	return nil
}

	var tHdr, tMeta []byte // Zero copy bytes
	for i := range versions {
		tHdr, buf, err = msgp.ReadBytesZC(buf)
		if err != nil {
			return err
		}
		tMeta, buf, err = msgp.ReadBytesZC(buf)
		if err != nil {
			return err
		}
		if err = fn(i, tHdr, tMeta); err != nil {
			return err
		}
	}
	return nil
}

	var tHdr, tMeta []byte // Zero copy bytes
	for i := range versions {
		tHdr, buf, err = msgp.ReadBytesZC(buf)
		if err != nil {
			return err
		}
		tMeta, buf, err = msgp.ReadBytesZC(buf)
		if err != nil {
			return err
		}
		if err = fn(i, tHdr, tMeta); err != nil {
			if err == errDoneForNow {
				err = nil
			}
			return err

    // Take Difference of both estimates: (f(theta + eps) - f(theta - eps)).
    TF_RETURN_IF_ERROR(
        ops::Sub(ctx, fPlus.get(), fMinus.get(), f_outputs, "sub_top"));
    AbstractTensorHandlePtr fDiff(f_outputs[0]);

    // Calculate using the difference quotient definition:
    // (f(theta + eps) - f(theta - eps)) / (2 * eps).
    TF_RETURN_IF_ERROR(

0397          ; mapped                 ; 03B7          # 1.1  GREEK CAPITAL LETTER ETA
0398          ; mapped                 ; 03B8          # 1.1  GREEK CAPITAL LETTER THETA
0399          ; mapped                 ; 03B9          # 1.1  GREEK CAPITAL LETTER IOTA
039A          ; mapped                 ; 03BA          # 1.1  GREEK CAPITAL LETTER KAPPA

[V10.D1, V11.D1] VLD1.P 16(R0), [V12.D1, V13.D1] VLD1.P 16(R0), [V14.D1, V15.D1] VLD1.P 16(R0), [V16.D1, V17.D1] VLD1.P 16(R0), [V18.D1, V19.D1] VLD1.P 16(R0), [V20.D1, V21.D1] VLD1.P 16(R0), [V22.D1, V23.D1] VLD1 (R0), [V24.D1] SUB $192, R0, R0 loop: // theta VEOR3 V20.B16, V15.B16, V10.B16, V25.B16 VEOR3 V21.B16, V16.B16, V11.B16, V26.B16 VEOR3 V22.B16, V17.B16, V12.B16, V27.B16 VEOR3 V23.B16, V18.B16, V13.B16, V28.B16 VEOR3 V24.B16, V19.B16, V14.B16, V29.B16 VEOR3 V25.B16, V5.B16, V0.B16, V25.B16 VEOR3...