NVIDIA ISA Viewer

IMMA

Integer Matrix Multiply and Accumulate

2 variants on SM80 (A100)

IMMA

R,R,R,R

distilled: @P0 IMMA.8816.U8.U8 R0, R0.ROW, R0.???0, R0 ;

key: IMMA_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	0	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	0
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								0	modi	modi	modi 1					0	0	SAT	modi 2		modi 3		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
00000	8816
00001	INVALID1
00010	8816.S8
00011	INVALID1.S8
00100	8816.INVALID2
00101	INVALID1.INVALID2
00110	8816.INVALID3
00111	INVALID1.INVALID3
01000	8816.S8
01001	INVALID1.S8
01010	8816.S8.S8
01011	INVALID1.S8.S8
01100	8816.INVALID2.S8
01101	INVALID1.INVALID2.S8
01110	8816.INVALID3.S8
01111	INVALID1.INVALID3.S8
10000	8816.INVALID2
10001	INVALID1.INVALID2
10010	8816.S8.INVALID2
10011	INVALID1.S8.INVALID2
10100	8816.INVALID2.INVALID2
10101	INVALID1.INVALID2.INVALID2
10110	8816.INVALID3.INVALID2
10111	INVALID1.INVALID3.INVALID2
11000	8816.INVALID3
11001	INVALID1.INVALID3
11010	8816.S8.INVALID3
11011	INVALID1.S8.INVALID3
11100	8816.INVALID2.INVALID3
11101	INVALID1.INVALID2.INVALID3
11110	8816.INVALID3.INVALID3
11111	INVALID1.INVALID3.INVALID3

Modifier Group 2

Binary	Value
00	U8
01	U4
10	U4
11	U4.U4

Modifier Group 3

Binary	Value
00	8816
01	8832
10	16816
11	16864

Operand 1 Modifiers

Binary	Value
0	ROW
1	???1

Operand 2 Modifiers

Binary	Value
0	???0
1	COL

IMMA.SP

R,R,R,R,R,I

distilled: @P0 IMMA.SP.INVALID0.U8.U8 R0, R0.ROW, R0.???0, R0, R0, 0x0 ;

key: IMMA_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
1	1	1	0	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	0
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								1	modi	modi	modi 1					0	0	SAT	modi 2		modi 3		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
00000	INVALID0
00001	INVALID1
00010	INVALID0.S8
00011	INVALID1.S8
00100	INVALID0.INVALID2
00101	INVALID1.INVALID2
00110	INVALID0.INVALID3
00111	INVALID1.INVALID3
01000	INVALID0.S8
01001	INVALID1.S8
01010	INVALID0.S8.S8
01011	INVALID1.S8.S8
01100	INVALID0.INVALID2.S8
01101	INVALID1.INVALID2.S8
01110	INVALID0.INVALID3.S8
01111	INVALID1.INVALID3.S8
10000	INVALID0.INVALID2
10001	INVALID1.INVALID2
10010	INVALID0.S8.INVALID2
10011	INVALID1.S8.INVALID2
10100	INVALID0.INVALID2.INVALID2
10101	INVALID1.INVALID2.INVALID2
10110	INVALID0.INVALID3.INVALID2
10111	INVALID1.INVALID3.INVALID2
11000	INVALID0.INVALID3
11001	INVALID1.INVALID3
11010	INVALID0.S8.INVALID3
11011	INVALID1.S8.INVALID3
11100	INVALID0.INVALID2.INVALID3
11101	INVALID1.INVALID2.INVALID3
11110	INVALID0.INVALID3.INVALID3
11111	INVALID1.INVALID3.INVALID3

Modifier Group 2

Binary	Value
00	U8
01	U4
10	U4
11	U4.U4

Modifier Group 3

Binary	Value
00	INVALID0
01	8832
10	INVALID4
11	16864

Operand 1 Modifiers

Binary	Value
0	ROW
1	???1

Operand 2 Modifiers

Binary	Value
0	???0
1	COL