NVIDIA ISA Viewer

DMMA

Matrix Multiply and Accumulate

2 variants on SM100 (B200)

DMMA

R,R,R,R

distilled: @P0 DMMA.8x8x4 R0, R0, R0, R0 ;

key: DMMA_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
1	1	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	cABS	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	cABS	cABS	cNEG	modi 1				0	0	0	0	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
0000	8x8x4
0001	INVALID1
0010	INVALID2
0011	INVALID3
0100	8x8x4.RM
0101	INVALID1.RM
0110	INVALID2.RM
0111	INVALID3.RM
1000	8x8x4.RP
1001	INVALID1.RP
1010	INVALID2.RP
1011	INVALID3.RP
1100	8x8x4.RZ
1101	INVALID1.RZ
1110	INVALID2.RZ
1111	INVALID3.RZ

DMMA

R,R,R,R,UP

distilled: @P0 DMMA.8x8x4 R0, R0, R0, R0, UP6 ;

key: DMMA_R_R_R_R_UP

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
1	1	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	cABS	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	cABS	cABS	cNEG	modi 1				0	0	0	0	0	0	0	1	operand 4			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
0000	8x8x4
0001	INVALID1
0010	INVALID2
0011	INVALID3
0100	8x8x4.RM
0101	INVALID1.RM
0110	INVALID2.RM
0111	INVALID3.RM
1000	8x8x4.RP
1001	INVALID1.RP
1010	INVALID2.RP
1011	INVALID3.RP
1100	8x8x4.RZ
1101	INVALID1.RZ
1110	INVALID2.RZ
1111	INVALID3.RZ