{as: AVSBOX, a1: C_VREG, a6: C_VREG, type_: 82, size: 4},              /* vector AES subbytes, vx-form */

	/* Vector SHA */
	{as: AVSHASIGMA, a1: C_U16CON, a2: C_VREG, a3: C_U16CON, a6: C_VREG, type_: 82, size: 4}, /* vector SHA sigma, vx-form */

	/* VSX vector load */
	{as: ALXVD2X, a1: C_XOREG, a6: C_VSREG, type_: 87, size: 4},        /* vsx vector load, xx1-form */

boxes based on score.}]>:$score_threshold,
    Arg<TensorOf<[TF_Float16, TF_Float32]>, [{A 0-D float tensor representing the sigma parameter for Soft NMS; see Bodla et
al (c.f. https://arxiv.org/abs/1704.04503).  When `soft_nms_sigma=0.0` (which
is default), we fall back to standard (hard) NMS.}]>:$soft_nms_sigma,