FLA_Gemm_nh_blk_var5.c File Reference

(r)


Functions

FLA_Error FLA_Gemm_nh_blk_var5 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_gemm_t *cntl)

Function Documentation

FLA_Error FLA_Gemm_nh_blk_var5 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C,
fla_gemm_t cntl 
)

References FLA_Cont_with_1x3_to_1x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_Obj_width(), FLA_Part_1x2(), and FLA_Repart_1x2_to_1x3().

Referenced by FLA_Gemm_nh().

00036 {
00037   FLA_Obj AL,    AR,       A0,  A1,  A2;
00038 
00039   FLA_Obj BL,    BR,       B0,  B1,  B2;
00040 
00041   dim_t b;
00042 
00043   FLA_Part_1x2( A,    &AL,  &AR,      0, FLA_LEFT );
00044 
00045   FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_LEFT );
00046 
00047   while ( FLA_Obj_width( AL ) < FLA_Obj_width( A ) ){
00048 
00049     b = FLA_Determine_blocksize( AR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) );
00050 
00051     FLA_Repart_1x2_to_1x3( AL,  /**/ AR,        &A0, /**/ &A1, &A2,
00052                            b, FLA_RIGHT );
00053 
00054     FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, /**/ &B1, &B2,
00055                            b, FLA_RIGHT );
00056 
00057     /*------------------------------------------------------------*/
00058 
00059     /* C = alpha * A1 * B1' + C; */
00060     FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_CONJ_TRANSPOSE,
00061                        alpha, A1, B1, beta, C,
00062                        FLA_Cntl_sub_gemm( cntl ) );
00063 
00064     /*------------------------------------------------------------*/
00065 
00066     FLA_Cont_with_1x3_to_1x2( &AL,  /**/ &AR,        A0, A1, /**/ A2,
00067                               FLA_LEFT );
00068 
00069     FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, B1, /**/ B2,
00070                               FLA_LEFT );
00071 
00072   }
00073 
00074   return FLA_SUCCESS;
00075 }


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