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//------------------------------------------------------------------------------
// GB_ewise_generic: generic methods for eWiseMult and eWiseAdd
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// GB_ewise_generic handles the generic case for ewise operations, when no
// built-in worker in the switch factory can handle this case. This occurs
// for user-defined operators, when typecasting occurs, or for FIRST[IJ]* and
// SECOND[IJ]* positional operators.
// C is not iso, but A and/or B might be.
#include "GB_ewise.h"
#include "GB_emult.h"
#include "GB_binop.h"
#include "GB_unused.h"
#include "GB_ek_slice.h"
#undef GB_FREE_ALL
#define GB_FREE_ALL \
{ \
GB_phybix_free (C) ; \
}
void GB_ewise_generic // generic ewise
(
// input/output:
GrB_Matrix C, // output matrix, static header
// input:
const GrB_BinaryOp op, // op to perform C = op (A,B)
// tasks from phase1a:
const GB_task_struct *restrict TaskList, // array of structs
const int C_ntasks, // # of tasks
const int C_nthreads, // # of threads to use
// analysis from phase0:
const int64_t *restrict C_to_M,
const int64_t *restrict C_to_A,
const int64_t *restrict C_to_B,
const int C_sparsity,
// from GB_emult_sparsity or GB_add_sparsity:
const int ewise_method,
// from GB_emult_04 and GB_emult_02:
const int64_t *restrict Cp_kfirst,
// to slice M, A, and/or B,
const int64_t *M_ek_slicing, const int M_ntasks, const int M_nthreads,
const int64_t *A_ek_slicing, const int A_ntasks, const int A_nthreads,
const int64_t *B_ek_slicing, const int B_ntasks, const int B_nthreads,
// original input:
const GrB_Matrix M, // optional mask, may be NULL
const bool Mask_struct, // if true, use the only structure of M
const bool Mask_comp, // if true, use !M
const GrB_Matrix A,
const GrB_Matrix B,
GB_Context Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
ASSERT (C != NULL && (C->static_header || GBNSTATIC)) ;
ASSERT_MATRIX_OK_OR_NULL (M, "M for ewise generic", GB0) ;
ASSERT_MATRIX_OK (A, "A for ewise generic", GB0) ;
ASSERT_MATRIX_OK (B, "B for ewise generic", GB0) ;
ASSERT_BINARYOP_OK (op, "op for ewise generic", GB0) ;
ASSERT (!C->iso) ;
//--------------------------------------------------------------------------
// get C
//--------------------------------------------------------------------------
const GrB_Type ctype = C->type ;
const GB_Type_code ccode = ctype->code ;
//--------------------------------------------------------------------------
// get the opcode and define the typecasting functions
//--------------------------------------------------------------------------
GB_Opcode opcode = op->opcode ;
// the following booleans are all false if flipxy is true, since flipxy has
// already been handled in the caller, in this case.
const bool op_is_positional = GB_OPCODE_IS_POSITIONAL (opcode) ;
const bool op_is_first = (opcode == GB_FIRST_binop_code) ;
const bool op_is_second = (opcode == GB_SECOND_binop_code) ;
const bool op_is_pair = (opcode == GB_PAIR_binop_code) ;
const bool A_is_pattern = (op_is_second || op_is_pair || op_is_positional) ;
const bool B_is_pattern = (op_is_first || op_is_pair || op_is_positional) ;
// if flipxy true use fop(y,x) else fop(x,y)
// const bool flipxy = (ewise_method < 0) ; TODO
const bool flipxy = (ewise_method == GB_EMULT_METHOD3) ;
const GxB_binary_function fop = op->binop_function ; // NULL if op positional
const size_t csize = ctype->size ;
const size_t asize = A->type->size ;
const size_t bsize = B->type->size ;
const GrB_Type xtype = flipxy ? op->ytype : op->xtype ;
const GrB_Type ytype = flipxy ? op->xtype : op->ytype ;
const size_t xsize = (A_is_pattern) ? 1 : xtype->size ;
const size_t ysize = (B_is_pattern) ? 1 : ytype->size ;
const size_t zsize = op->ztype->size ;
const GB_cast_function cast_A_to_X =
(A_is_pattern) ? NULL : GB_cast_factory (xtype->code, A->type->code) ;
const GB_cast_function cast_B_to_Y =
(B_is_pattern) ? NULL : GB_cast_factory (ytype->code, B->type->code) ;
const GB_cast_function cast_Z_to_C =
GB_cast_factory (ccode, op->ztype->code) ;
// aij = (xtype) A(i,j), located in Ax [pA]
#define GB_GETA(aij,Ax,pA,A_iso) \
GB_void aij [GB_VLA(xsize)] ; \
if (cast_A_to_X != NULL) \
{ \
cast_A_to_X (aij, Ax +((A_iso) ? 0:(pA)*asize), asize) ; \
}
// bij = (ytype) B(i,j), located in Bx [pB]
#define GB_GETB(bij,Bx,pB,B_iso) \
GB_void bij [GB_VLA(ysize)] ; \
if (cast_B_to_Y != NULL) \
{ \
cast_B_to_Y (bij, Bx +((B_iso) ? 0:(pB)*bsize), bsize) ; \
}
// address of Cx [p]
#define GB_CX(p) Cx +((p)*csize)
#define GB_ATYPE GB_void
#define GB_BTYPE GB_void
#define GB_CTYPE GB_void
#define GB_PHASE_2_OF_2
// loops cannot be vectorized
#define GB_PRAGMA_SIMD_VECTORIZE ;
// flipxy is handled in the definition of GB_BINOP, not in the tempate
#define GB_FLIPPED 0
//--------------------------------------------------------------------------
// do the ewise operation
//--------------------------------------------------------------------------
if (op_is_positional)
{
//----------------------------------------------------------------------
// C(i,j) = positional_op (aij, bij)
//----------------------------------------------------------------------
const int64_t offset = GB_positional_offset (opcode, NULL) ;
const bool index_is_i =
(opcode == GB_FIRSTI_binop_code ) ||
(opcode == GB_FIRSTI1_binop_code ) ||
(opcode == GB_SECONDI_binop_code ) ||
(opcode == GB_SECONDI1_binop_code) ;
if (op->ztype == GrB_INT64)
{
#undef GB_BINOP
#define GB_BINOP(cij, aij, bij, i, j) \
int64_t z = ((index_is_i) ? i : j) + offset ; \
cast_Z_to_C (cij, &z, csize) ;
if (ewise_method == GB_EMULT_METHOD2 ||
ewise_method == GB_EMULT_METHOD3)
{
#include "GB_emult_02_template.c"
}
else if (ewise_method == GB_EMULT_METHOD4)
{
#include "GB_emult_04_template.c"
}
else if (C_sparsity == GxB_BITMAP)
{
#include "GB_bitmap_emult_template.c"
}
else
{
#include "GB_emult_meta.c"
}
}
else
{
#undef GB_BINOP
#define GB_BINOP(cij, aij, bij, i, j) \
int32_t z = (int32_t) (((index_is_i) ? i : j) + offset) ; \
cast_Z_to_C (cij, &z, csize) ;
if (ewise_method == GB_EMULT_METHOD2 ||
ewise_method == GB_EMULT_METHOD3)
{
#include "GB_emult_02_template.c"
}
else if (ewise_method == GB_EMULT_METHOD4)
{
#include "GB_emult_04_template.c"
}
else if (C_sparsity == GxB_BITMAP)
{
#include "GB_bitmap_emult_template.c"
}
else
{
#include "GB_emult_meta.c"
}
}
}
else
{
//----------------------------------------------------------------------
// standard binary operator
//----------------------------------------------------------------------
// C(i,j) = (ctype) (A(i,j) + B(i,j))
if (ewise_method == GB_EMULT_METHOD2 ||
ewise_method == GB_EMULT_METHOD3)
{
// handle flipxy
#undef GB_BINOP
#define GB_BINOP(cij, aij, bij, i, j) \
GB_void z [GB_VLA(zsize)] ; \
if (flipxy) \
{ \
fop (z, bij, aij) ; \
} \
else \
{ \
fop (z, aij, bij) ; \
} \
cast_Z_to_C (cij, z, csize) ;
#include "GB_emult_02_template.c"
}
else if (ewise_method == GB_EMULT_METHOD4)
{
#undef GB_BINOP
#define GB_BINOP(cij, aij, bij, i, j) \
GB_void z [GB_VLA(zsize)] ; \
fop (z, aij, bij) ; \
cast_Z_to_C (cij, z, csize) ;
#include "GB_emult_04_template.c"
}
else if (C_sparsity == GxB_BITMAP)
{
#include "GB_bitmap_emult_template.c"
}
else
{
#include "GB_emult_meta.c"
}
}
ASSERT_MATRIX_OK (C, "C from ewise generic", GB0) ;
}
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