NVIDIA ISA Viewer

LDSM

Load Matrix from Shared Memory with Element Size Expansion

4 variants on SM100 (B200)

LDSM

R,[R]

distilled: @P0 LDSM.16.M88 R0, [R0] ;

key: LDSM_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	0	1	1	1	0	0	0	0	0	1	pred				operand 0								operand 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	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
0	0	0	0	0	0	0	0	modi 1		0	modi 2	0	0	modi 3			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
00	(default)
01	2
10	4
11	INVALID3

Modifier Group 2

Binary	Value
0	16
1	U4TO8

Modifier Group 3

Binary	Value
000	M88
001	MT88
010	M816
011	M832
100	MT1616
101	INVALID5
110	INVALID6
111	INVALID7

LDSM

R,[R+I]

distilled: @P0 LDSM.16.M88 R0, [R0+0x1] ;

key: LDSM_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	0	1	1	1	0	0	0	0	0	1	pred				operand 0								operand 1								0	0	0	0	0	0	0	0	operand 2
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	0	0	0	0	0	0	modi 1		0	modi 2	0	0	modi 3			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
00	(default)
01	2
10	4
11	INVALID3

Modifier Group 2

Binary	Value
0	16
1	U4TO8

Modifier Group 3

Binary	Value
000	M88
001	MT88
010	M816
011	M832
100	MT1616
101	INVALID5
110	INVALID6
111	INVALID7

LDSM

R,[R+UR]

distilled: @P0 LDSM.16.M88 R0, [R0+UR0] ;

key: LDSM_R_R_UR

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	0	1	1	1	0	0	0	0	0	1	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
0	0	0	0	0	0	0	0	modi 1		0	modi 2	0	0	modi 3			0	0	0	0	0	0	0	0	0	0	1	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
00	(default)
01	2
10	4
11	INVALID3

Modifier Group 2

Binary	Value
0	16
1	U4TO8

Modifier Group 3

Binary	Value
000	M88
001	MT88
010	M816
011	M832
100	MT1616
101	INVALID5
110	INVALID6
111	INVALID7

LDSM

R,[R+UR+I]

distilled: @P0 LDSM.16.M88 R0, [R0+UR0+0x1] ;

key: LDSM_R_R_UR_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	0	1	1	1	0	0	0	0	0	1	pred				operand 0								operand 1								operand 2								operand 3
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	0	0	0	0	0	0	modi 1		0	modi 2	0	0	modi 3			0	0	0	0	0	0	0	0	0	0	1	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
00	(default)
01	2
10	4
11	INVALID3

Modifier Group 2

Binary	Value
0	16
1	U4TO8

Modifier Group 3

Binary	Value
000	M88
001	MT88
010	M816
011	M832
100	MT1616
101	INVALID5
110	INVALID6
111	INVALID7