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FLA_Gemv_n.h File Reference

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Functions

FLA_Error FLA_Gemv_n_blk_var1 (FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y, fla_gemv_t *cntl)
 
FLA_Error FLA_Gemv_n_blk_var2 (FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y, fla_gemv_t *cntl)
 
FLA_Error FLA_Gemv_n_blk_var5 (FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y, fla_gemv_t *cntl)
 
FLA_Error FLA_Gemv_n_blk_var6 (FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y, fla_gemv_t *cntl)
 

Function Documentation

◆ FLA_Gemv_n_blk_var1()

FLA_Error FLA_Gemv_n_blk_var1 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  x,
FLA_Obj  beta,
FLA_Obj  y,
fla_gemv_t *  cntl 
)
14{
15 FLA_Obj AT, A0,
16 AB, A1,
17 A2;
18
19 FLA_Obj yT, y0,
20 yB, y1,
21 y2;
22
23 dim_t b;
24
25 FLA_Part_2x1( A, &AT,
26 &AB, 0, FLA_TOP );
27
28 FLA_Part_2x1( y, &yT,
29 &yB, 0, FLA_TOP );
30
31 while ( FLA_Obj_length( AT ) < FLA_Obj_length( A ) ){
32
33 b = FLA_Determine_blocksize( AB, FLA_BOTTOM, FLA_Cntl_blocksize( cntl ) );
34
35 FLA_Repart_2x1_to_3x1( AT, &A0,
36 /* ** */ /* ** */
37 &A1,
38 AB, &A2, b, FLA_BOTTOM );
39
40 FLA_Repart_2x1_to_3x1( yT, &y0,
41 /* ** */ /* ** */
42 &y1,
43 yB, &y2, b, FLA_BOTTOM );
44
45 /*------------------------------------------------------------*/
46
47 /* y1 = alpha * A1 * x + y1; */
48 FLA_Gemv_internal( FLA_NO_TRANSPOSE,
49 alpha, A1, x, beta, y1,
50 FLA_Cntl_sub_gemv( cntl ) );
51
52 /*------------------------------------------------------------*/
53
54 FLA_Cont_with_3x1_to_2x1( &AT, A0,
55 A1,
56 /* ** */ /* ** */
57 &AB, A2, FLA_TOP );
58
59 FLA_Cont_with_3x1_to_2x1( &yT, y0,
60 y1,
61 /* ** */ /* ** */
62 &yB, y2, FLA_TOP );
63
64 }
65
66 return FLA_SUCCESS;
67}
FLA_Gemv_internal
FLA_Error FLA_Gemv_internal(FLA_Trans transa, FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y, fla_gemv_t *cntl)
Definition FLA_Gemv_internal.c:16
FLA_Cont_with_3x1_to_2x1
FLA_Error FLA_Cont_with_3x1_to_2x1(FLA_Obj *AT, FLA_Obj A0, FLA_Obj A1, FLA_Obj *AB, FLA_Obj A2, FLA_Side side)
Definition FLA_View.c:428
FLA_Repart_2x1_to_3x1
FLA_Error FLA_Repart_2x1_to_3x1(FLA_Obj AT, FLA_Obj *A0, FLA_Obj *A1, FLA_Obj AB, FLA_Obj *A2, dim_t mb, FLA_Side side)
Definition FLA_View.c:226
FLA_Part_2x1
FLA_Error FLA_Part_2x1(FLA_Obj A, FLA_Obj *A1, FLA_Obj *A2, dim_t mb, FLA_Side side)
Definition FLA_View.c:76
FLA_Obj_length
dim_t FLA_Obj_length(FLA_Obj obj)
Definition FLA_Query.c:116
FLA_Determine_blocksize
dim_t FLA_Determine_blocksize(FLA_Obj A_unproc, FLA_Quadrant to_dir, fla_blocksize_t *cntl_blocksizes)
Definition FLA_Blocksize.c:234
dim_t
unsigned long dim_t
Definition FLA_type_defs.h:71
i
int i
Definition bl1_axmyv2.c:145
y1
double *restrict y1
Definition bl1_dotsv2.c:147
FLA_Obj_view
Definition FLA_type_defs.h:159

References FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Gemv_internal(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), i, and y1.

Referenced by FLA_Gemv_n().

◆ FLA_Gemv_n_blk_var2()

FLA_Error FLA_Gemv_n_blk_var2 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  x,
FLA_Obj  beta,
FLA_Obj  y,
fla_gemv_t *  cntl 
)
16{
17 FLA_Obj AT, A0,
18 AB, A1,
19 A2;
20
21 FLA_Obj yT, y0,
22 yB, y1,
23 y2;
24
25 dim_t b;
26
27 FLA_Part_2x1( A, &AT,
28 &AB, 0, FLA_BOTTOM );
29
30 FLA_Part_2x1( y, &yT,
31 &yB, 0, FLA_BOTTOM );
32
33 while ( FLA_Obj_length( AB ) < FLA_Obj_length( A ) ){
34
35 b = FLA_Determine_blocksize( AT, FLA_TOP, FLA_Cntl_blocksize( cntl ) );
36
37 FLA_Repart_2x1_to_3x1( AT, &A0,
38 &A1,
39 /* ** */ /* ** */
40 AB, &A2, b, FLA_TOP );
41
42 FLA_Repart_2x1_to_3x1( yT, &y0,
43 &y1,
44 /* ** */ /* ** */
45 yB, &y2, b, FLA_TOP );
46
47 /*------------------------------------------------------------*/
48
49 /* y1 = alpha * A1 * x + y1; */
50 FLA_Gemv_internal( FLA_NO_TRANSPOSE,
51 alpha, A1, x, beta, y1,
52 FLA_Cntl_sub_gemv( cntl ) );
53
54 /*------------------------------------------------------------*/
55
56 FLA_Cont_with_3x1_to_2x1( &AT, A0,
57 /* ** */ /* ** */
58 A1,
59 &AB, A2, FLA_BOTTOM );
60
61 FLA_Cont_with_3x1_to_2x1( &yT, y0,
62 /* ** */ /* ** */
63 y1,
64 &yB, y2, FLA_BOTTOM );
65
66 }
67
68 return FLA_SUCCESS;
69}

References FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Gemv_internal(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), i, and y1.

Referenced by FLA_Gemv_n().

◆ FLA_Gemv_n_blk_var5()

FLA_Error FLA_Gemv_n_blk_var5 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  x,
FLA_Obj  beta,
FLA_Obj  y,
fla_gemv_t *  cntl 
)
14{
15 FLA_Obj AL, AR, A0, A1, A2;
16
17 FLA_Obj xT, x0,
18 xB, x1,
19 x2;
20
21 dim_t b;
22
23 FLA_Scal_internal( beta, y,
24 FLA_Cntl_sub_scal( cntl ) );
25
26 FLA_Part_1x2( A, &AL, &AR, 0, FLA_LEFT );
27
28 FLA_Part_2x1( x, &xT,
29 &xB, 0, FLA_TOP );
30
31 while ( FLA_Obj_width( AL ) < FLA_Obj_width( A ) ){
32
33 b = FLA_Determine_blocksize( AR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) );
34
35 FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, /**/ &A1, &A2,
36 b, FLA_RIGHT );
37
38 FLA_Repart_2x1_to_3x1( xT, &x0,
39 /* ** */ /* ** */
40 &x1,
41 xB, &x2, b, FLA_BOTTOM );
42
43 /*------------------------------------------------------------*/
44
45 /* y = alpha * A1 * x1 + y; */
46 FLA_Gemv_internal( FLA_NO_TRANSPOSE,
47 alpha, A1, x1, FLA_ONE, y,
48 FLA_Cntl_sub_gemv( cntl ) );
49
50 /*------------------------------------------------------------*/
51
52 FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, A1, /**/ A2,
53 FLA_LEFT );
54
55 FLA_Cont_with_3x1_to_2x1( &xT, x0,
56 x1,
57 /* ** */ /* ** */
58 &xB, x2, FLA_TOP );
59
60 }
61
62 return FLA_SUCCESS;
63}
FLA_Scal_internal
FLA_Error FLA_Scal_internal(FLA_Obj alpha, FLA_Obj A, fla_scal_t *cntl)
Definition FLA_Scal_internal.c:16
FLA_ONE
FLA_Obj FLA_ONE
Definition FLA_Init.c:18
FLA_Cont_with_1x3_to_1x2
FLA_Error FLA_Cont_with_1x3_to_1x2(FLA_Obj *AL, FLA_Obj *AR, FLA_Obj A0, FLA_Obj A1, FLA_Obj A2, FLA_Side side)
Definition FLA_View.c:475
FLA_Obj_width
dim_t FLA_Obj_width(FLA_Obj obj)
Definition FLA_Query.c:123
FLA_Part_1x2
FLA_Error FLA_Part_1x2(FLA_Obj A, FLA_Obj *A1, FLA_Obj *A2, dim_t nb, FLA_Side side)
Definition FLA_View.c:110
FLA_Repart_1x2_to_1x3
FLA_Error FLA_Repart_1x2_to_1x3(FLA_Obj AL, FLA_Obj AR, FLA_Obj *A0, FLA_Obj *A1, FLA_Obj *A2, dim_t nb, FLA_Side side)
Definition FLA_View.c:267
x1
x1
Definition bl1_dotsv2.c:374

References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Gemv_internal(), FLA_Obj_width(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x1(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x1_to_3x1(), FLA_Scal_internal(), i, and x1.

Referenced by FLA_Gemv_n().

◆ FLA_Gemv_n_blk_var6()

FLA_Error FLA_Gemv_n_blk_var6 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  x,
FLA_Obj  beta,
FLA_Obj  y,
fla_gemv_t *  cntl 
)
16{
17 FLA_Obj AL, AR, A0, A1, A2;
18
19 FLA_Obj xT, x0,
20 xB, x1,
21 x2;
22
23 dim_t b;
24
25 FLA_Scal_internal( beta, y,
26 FLA_Cntl_sub_scal( cntl ) );
27
28 FLA_Part_1x2( A, &AL, &AR, 0, FLA_RIGHT );
29
30 FLA_Part_2x1( x, &xT,
31 &xB, 0, FLA_BOTTOM );
32
33 while ( FLA_Obj_width( AR ) < FLA_Obj_width( A ) ){
34
35 b = FLA_Determine_blocksize( AL, FLA_LEFT, FLA_Cntl_blocksize( cntl ) );
36
37 FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, &A1, /**/ &A2,
38 b, FLA_LEFT );
39
40 FLA_Repart_2x1_to_3x1( xT, &x0,
41 &x1,
42 /* ** */ /* ** */
43 xB, &x2, b, FLA_TOP );
44
45 /*------------------------------------------------------------*/
46
47 /* y = alpha * A1 * x1 + y; */
48 FLA_Gemv_internal( FLA_NO_TRANSPOSE,
49 alpha, A1, x1, FLA_ONE, y,
50 FLA_Cntl_sub_gemv( cntl ) );
51
52 /*------------------------------------------------------------*/
53
54 FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, /**/ A1, A2,
55 FLA_RIGHT );
56
57 FLA_Cont_with_3x1_to_2x1( &xT, x0,
58 /* ** */ /* ** */
59 x1,
60 &xB, x2, FLA_BOTTOM );
61
62 }
63
64 return FLA_SUCCESS;
65}

References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Gemv_internal(), FLA_Obj_width(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x1(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x1_to_3x1(), FLA_Scal_internal(), i, and x1.

Referenced by FLA_Gemv_n().

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