NVIDIA ISA Viewer

HMMA

Matrix Multiply and Accumulate

2 variants on SM80 (A100)

HMMA

R,R,R,R

distilled: @P0 HMMA.1688.F16 R0, R0, R0, R0 ;

key: HMMA_R_R_R_R

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
0	0	1	1	1	1	0	0	0	1	0	0	pred				operand 0								operand 1								operand 2								0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	cNEG
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 3								cNEG	0	0	modi 1	modi 2	0	modi 3	0	0	0	modi 4		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
0	1688
1	16816

Modifier Group 2

Binary	Value
0	F16
1	F32

Modifier Group 3

Binary	Value
0	1688
1	1684

Modifier Group 4

Binary	Value
00	(default)
01	BF16
10	TF32
11	INVALID3

HMMA.SP

R,R,R,R,R,I

distilled: @P0 HMMA.SP.1688.F16 R0, R0, R0, R0, R0, 0x0 ;

key: HMMA_R_R_R_R_R_I

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
0	0	1	1	1	1	0	0	0	1	0	0	pred				operand 0								operand 1								operand 2								operand 4								operand 5			0	0	0	0	0	0	0	0	0	0	0	0	cNEG
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 3								cNEG	1	0	modi 1	modi 2	0	modi 3	0	0	0	modi 4		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
0	1688
1	16816

Modifier Group 2

Binary	Value
0	F16
1	F32

Modifier Group 3

Binary	Value
0	1688
1	INVALID2

Modifier Group 4

Binary	Value
00	(default)
01	BF16
10	TF32
11	INVALID3