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|
//------------------------------------------------------------------------------
// GB_AxB_dot2_meta: C=A'*B, C<M>=A'*B or C<!M>=A'*B via dot products
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#define GB_DOT2
#include "include/GB_unused.h"
#include "include/GB_AxB_dot_cij.h"
{
//--------------------------------------------------------------------------
// get A, B, and C
//--------------------------------------------------------------------------
// A and B are never hypersparse. If they are hypersparse on input, they
// are converted to hyper_shallow form first, and the C matrix has smaller
// dimensions. The C bitmap/full matrix is converted back into a sparse or
// hypersparse matrix when done.
int64_t cnvals = 0 ;
ASSERT (GB_IS_BITMAP (C) || GB_IS_FULL (C)) ;
int8_t *restrict Cb = C->b ;
const int64_t cvlen = C->vlen ;
#ifdef GB_JIT_KERNEL
#define C_is_full GB_C_IS_FULL
#else
const bool C_is_full = (Cb == NULL) ;
#endif
GB_Bp_DECLARE (Bp, const) ; GB_Bp_PTR (Bp, B) ;
GB_Bi_DECLARE (Bi, const) ; GB_Bi_PTR (Bi, B) ;
const int8_t *restrict Bb = B->b ;
#ifdef GB_JIT_KERNEL
#define B_is_bitmap GB_B_IS_BITMAP
#define B_is_sparse GB_B_IS_SPARSE
#define B_is_full GB_B_IS_FULL
#define B_iso GB_B_IS_ISO
#else
const bool B_is_bitmap = GB_IS_BITMAP (B) ;
const bool B_is_sparse = GB_IS_SPARSE (B) ;
const bool B_is_full = GB_IS_FULL (B) ;
const bool B_iso = B->iso ;
const bool Bi_is_32 = B->i_is_32 ;
#define GB_Bi_IS_32 Bi_is_32
#endif
ASSERT (!GB_IS_HYPERSPARSE (B)) ;
#define B_is_hyper false
GB_Ap_DECLARE (Ap, const) ; GB_Ap_PTR (Ap, A) ;
GB_Ai_DECLARE (Ai, const) ; GB_Ai_PTR (Ai, A) ;
const int8_t *restrict Ab = A->b ;
#ifdef GB_JIT_KERNEL
#define A_is_bitmap GB_A_IS_BITMAP
#define A_is_sparse GB_A_IS_SPARSE
#define A_is_full GB_A_IS_FULL
#define A_iso GB_A_IS_ISO
#else
const bool A_is_bitmap = GB_IS_BITMAP (A) ;
const bool A_is_sparse = GB_IS_SPARSE (A) ;
const bool A_is_full = GB_IS_FULL (A) ;
const bool A_iso = A->iso ;
const bool Ai_is_32 = A->i_is_32 ;
#define GB_Ai_IS_32 Ai_is_32
#endif
ASSERT (!GB_IS_HYPERSPARSE (A)) ;
#define A_is_hyper false
#if !GB_A_IS_PATTERN
const GB_A_TYPE *restrict Ax = (GB_A_TYPE *) A->x ;
#endif
#if !GB_B_IS_PATTERN
const GB_B_TYPE *restrict Bx = (GB_B_TYPE *) B->x ;
#endif
#if !GB_IS_ANY_PAIR_SEMIRING
GB_C_TYPE *restrict Cx = (GB_C_TYPE *) C->x ;
#endif
const int64_t vlen = A->vlen ;
const int ntasks = naslice * nbslice ;
//--------------------------------------------------------------------------
// C<#>M=A'*B, C<#M>=A*B via dot products
//--------------------------------------------------------------------------
#ifdef GB_JIT_KERNEL
#define M_is_bitmap GB_M_IS_BITMAP
#define M_is_full GB_M_IS_FULL
#define Mask_struct GB_MASK_STRUCT
#define Mask_comp GB_MASK_COMP
const int8_t *restrict Mb = (M == NULL) ? NULL : M->b ;
const GB_M_TYPE *restrict Mx = (M == NULL) ? NULL :
((GB_M_TYPE *) (Mask_struct ? NULL : (M->x))) ;
GB_DECLARE_TERMINAL_CONST (zterminal) ;
#define GB_META16
#include "include/GB_meta16_definitions.h"
#include "template/GB_AxB_dot2_template.c"
#else
if (M == NULL)
{
//----------------------------------------------------------------------
// C=A'*B or C=A*B, where C is bitmap or full, no mask is present
//----------------------------------------------------------------------
// mask is not present
#undef GB_NO_MASK
#define GB_NO_MASK 1
ASSERT (GB_IS_BITMAP (C) || GB_IS_FULL (C)) ;
if (A_not_transposed)
{
// C=A*B where A is bitmap or full, and B is sparse
#define GB_A_NOT_TRANSPOSED
ASSERT (A_is_bitmap || GB_IS_FULL (A)) ;
ASSERT (B_is_sparse) ;
if (C_is_full)
{
// C=A*B via dot products, where A is full and B is sparse,
// and C is full
ASSERT (GB_IS_FULL (A)) ;
#undef GB_C_IS_FULL
#define GB_C_IS_FULL 1
#define GB_A_IS_SPARSE 0
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 0
#define GB_A_IS_FULL 1
#define GB_B_IS_SPARSE 1
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 0
#include "template/GB_AxB_dot2_template.c"
}
else if (A_is_bitmap)
{
// C=A*B via dot products, where A is bitmap and B is sparse,
// and C is bitmap
#undef GB_C_IS_FULL
#define GB_C_IS_FULL 0
#define GB_A_IS_SPARSE 0
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 1
#define GB_A_IS_FULL 0
#define GB_B_IS_SPARSE 1
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 0
#include "template/GB_AxB_dot2_template.c"
}
else
{
// C=A*B via dot products, where A is full and B is sparse,
// and C is bitmap
#undef GB_C_IS_FULL
#define GB_C_IS_FULL 0
#define GB_A_IS_SPARSE 0
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 0
#define GB_A_IS_FULL 1
#define GB_B_IS_SPARSE 1
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 0
#include "template/GB_AxB_dot2_template.c"
}
#undef GB_A_NOT_TRANSPOSED
}
else if (C_is_full)
{
// C = A'*B, via dot2 method, where A is implicitly transposed,
// C is full. 3 cases:
#undef GB_C_IS_FULL
#define GB_C_IS_FULL 1
if (A_is_full && B_is_full)
{
// A full, B full
#define GB_A_IS_SPARSE 0
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 0
#define GB_A_IS_FULL 1
#define GB_B_IS_SPARSE 0
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 1
#include "template/GB_AxB_dot2_template.c"
}
else if (A_is_full)
{
// A full, B sparse
ASSERT (B_is_sparse) ;
#define GB_A_IS_SPARSE 0
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 0
#define GB_A_IS_FULL 1
#define GB_B_IS_SPARSE 1
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 0
#include "template/GB_AxB_dot2_template.c"
}
else
{
// A sparse, B full
ASSERT (A_is_sparse) ;
ASSERT (B_is_full) ;
#define GB_A_IS_SPARSE 1
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 0
#define GB_A_IS_FULL 0
#define GB_B_IS_SPARSE 0
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 1
#include "template/GB_AxB_dot2_template.c"
}
#undef GB_C_IS_FULL
#define GB_C_IS_FULL 0
}
else
{
// C = A'*B, via dot2 method, where A is implicitly transposed,
// C is bitmap
#include "template/GB_meta16_factory.c"
}
}
else
{
//----------------------------------------------------------------------
// C<#M>=A'*B or C<#M>=A*B, where C is always bitmap
//----------------------------------------------------------------------
// mask is present and C is always bitmap
#undef GB_NO_MASK
#define GB_NO_MASK 0
ASSERT (GB_IS_BITMAP (C)) ;
// 12 possible cases of the mask are handled:
// if M is not complemented (Mask_comp is false): 4 cases
// M can be bitmap or full, not sparse or hyper (dot3 handles that)
// M can be structural or valued
// if M is complemented (Mask_comp is true): 8 cases
// M can be sparse, hyper, bitmap, or full
// M can be structural or valued
const int8_t *restrict Mb = M->b ;
const bool M_is_bitmap = GB_IS_BITMAP (M) ;
const bool M_is_full = GB_IS_FULL (M) ;
#if ( GB_IS_ANY_MONOID )
if (B_is_bitmap && A_is_sparse && M_is_bitmap && Mask_struct
&& Mask_comp)
{
//------------------------------------------------------------------
// C<#M,struct> = A'*B, special case
//------------------------------------------------------------------
// GB_ANY_SPECIALIZED is defined if the following conditions hold:
// semirings: all built-in semirings with the ANY monoid
// A: sparse (and transposed)
// B: bitmap
// M: bitmap
// Mask_comp: true
// Mask_struct: true
ASSERT (!A_not_transposed) ; // C<#M>=A'*B is being computed
#define GB_ANY_SPECIALIZED
#define GB_A_IS_SPARSE 1
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 0
#define GB_A_IS_FULL 0
#define GB_B_IS_SPARSE 0
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 1
#define GB_B_IS_FULL 0
#include "template/GB_AxB_dot2_template.c"
#undef GB_ANY_SPECIALIZED
}
else
#endif
{
//------------------------------------------------------------------
// C<#M>=A'*B or C<#!M>=A*B
//------------------------------------------------------------------
const GB_M_TYPE *restrict Mx = (GB_M_TYPE *)
(Mask_struct ? NULL : (M->x)) ;
const size_t msize = M->type->size ;
if (A_not_transposed)
{
// C<#M>=A*B where A is bitmap or full, and B is sparse
#define GB_A_NOT_TRANSPOSED
ASSERT (A_is_bitmap || GB_IS_FULL (A)) ;
ASSERT (B_is_sparse) ;
if (A_is_bitmap)
{
// C<#M>=A*B via dot products, A is bitmap and B is sparse
#define GB_A_IS_SPARSE 0
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 1
#define GB_A_IS_FULL 0
#define GB_B_IS_SPARSE 1
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 0
#include "template/GB_AxB_dot2_template.c"
}
else
{
// C<#M>=A*B via dot products, A is full and B is sparse
#define GB_A_IS_SPARSE 0
#define GB_A_IS_HYPER 0
#define GB_A_IS_BITMAP 0
#define GB_A_IS_FULL 1
#define GB_B_IS_SPARSE 1
#define GB_B_IS_HYPER 0
#define GB_B_IS_BITMAP 0
#define GB_B_IS_FULL 0
#include "template/GB_AxB_dot2_template.c"
}
#undef GB_A_NOT_TRANSPOSED
}
else
{
// C<#>M = A'*B, via dot2 method, A is implicitly transposed
#include "template/GB_meta16_factory.c"
}
}
}
#endif
C->nvals = cnvals ;
}
#undef A_is_hyper
#undef B_is_hyper
#undef GB_DOT2
#undef GB_NO_MASK
|
