/usr/include/fflas-ffpack/fflas/fflas_sparse/coo/coo_spmv.inl is in fflas-ffpack-common 2.2.2-5.
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// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
/*
* Copyright (C) 2014 the FFLAS-FFPACK group
*
* Written by Barowien Vialla <barowien.vialla@lirmm.fr>
*
*
* ========LICENCE========
* This file is part of the library FFLAS-FFPACK.
*
* FFLAS-FFPACK is free software: you can redirowribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is dirowributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin rowreet, Fifth Floor, Borowon, MA 02110-1301 USA
* ========LICENCE========
*.
*/
#ifndef __FFLASFFPACK_fflas_sparse_coo_spmv_INL
#define __FFLASFFPACK_fflas_sparse_coo_spmv_INL
namespace FFLAS {
namespace sparse_details_impl {
template <class Field>
inline void fspmv(const Field &F, const Sparse<Field, SparseMatrix_t::COO> &A, typename Field::ConstElement_ptr x_,
typename Field::Element_ptr y_, FieldCategories::GenericTag) {
assume_aligned(dat, A.dat, (size_t)Alignment::CACHE_LINE);
assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
index_t j = 0;
for (; j < ROUND_DOWN(A.nnz, 4); j += 4) {
F.axpyin(y[row[j]], dat[j], x[col[j]]);
F.axpyin(y[row[j + 1]], dat[j + 1], x[col[j + 1]]);
F.axpyin(y[row[j + 2]], dat[j + 2], x[col[j + 2]]);
F.axpyin(y[row[j + 3]], dat[j + 3], x[col[j + 3]]);
}
for (; j < A.nnz; ++j) {
F.axpyin(y[row[j]], dat[j], x[col[j]]);
}
}
template <class Field>
inline void fspmv(const Field &F, const Sparse<Field, SparseMatrix_t::COO> &A, typename Field::ConstElement_ptr x_,
typename Field::Element_ptr y_, FieldCategories::UnparametricTag) {
assume_aligned(dat, A.dat, (size_t)Alignment::CACHE_LINE);
assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
index_t j = 0;
for (; j < ROUND_DOWN(A.nnz, 4); j += 4) {
y[row[j]] += dat[j] * x[col[j]];
y[row[j + 1]] += dat[j + 1] * x[col[j + 1]];
y[row[j + 2]] += dat[j + 2] * x[col[j + 2]];
y[row[j + 3]] += dat[j + 3] * x[col[j + 3]];
}
for (; j < A.nnz; ++j) {
y[row[j]] += dat[j] * x[col[j]];
}
}
#ifdef __FFLASFFPACK_HAVE_MKL
inline void fspmv_mkl(const Givaro::DoubleDomain &F, const Sparse<Givaro::DoubleDomain, SparseMatrix_t::COO> &A,
Givaro::DoubleDomain::ConstElement_ptr x_,
Givaro::DoubleDomain::Element_ptr y_, FieldCategories::UnparametricTag) {
// assume_aligned(dat, A.dat, (size_t)Alignment::CACHE_LINE);
// assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
// assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
// assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
// assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
MKL_INT A_nnz = A.nnz ;
mkl_dcoomv(MKL_CONFIG::trans, &A.m , &A.n, &MKL_CONFIG::dalpha, MKL_CONFIG::metaChar,
A.dat, A.row, A.col, &A_nnz, x_, &MKL_CONFIG::dbeta, y_ );
// void mkl_dcoomv (char *transa, MKL_INT *m, MKL_INT *k, double *alpha, char *matdescra, double *val, MKL_INT *rowind, MKL_INT *colind, MKL_INT *nnz, double *x, double *beta, double *y);
}
inline void fspmv_mkl(const Givaro::FloatDomain &F, const Sparse<Givaro::FloatDomain, SparseMatrix_t::COO> &A,
Givaro::FloatDomain::ConstElement_ptr x_,
Givaro::FloatDomain::Element_ptr y_, FieldCategories::UnparametricTag) {
// assume_aligned(dat, A.dat, (size_t)Alignment::CACHE_LINE);
// assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
// assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
// assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
// assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
MKL_INT A_nnz = A.nnz ;
mkl_scoomv(MKL_CONFIG::trans, &A.m , &A.n, &MKL_CONFIG::salpha, MKL_CONFIG::metaChar,
A.dat, A.row, A.col, &A_nnz, x_, &MKL_CONFIG::sbeta, y_ );
// void mkl_scoomv (char *transa, MKL_INT *m, MKL_INT *k, float *alpha, char *matdescra, float *val, MKL_INT *rowind, MKL_INT *colind, MKL_INT *nnz, float *x, float *beta, float *y);
}
#endif // __FFLASFFPACK_HAVE_MKL
template <class Field>
inline void fspmv(const Field &F, const Sparse<Field, SparseMatrix_t::COO> &A, typename Field::ConstElement_ptr x_,
typename Field::Element_ptr y_, const uint64_t kmax) {
assume_aligned(dat, A.dat, (size_t)Alignment::CACHE_LINE);
assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
size_t w = 0;
index_t larow_i = 0;
typename Field::Element e;
F.init(e, y[larow_i]);
size_t accu = 0;
while (w < A.nnz) {
if (row[w] == larow_i) { // same line
if (accu < (size_t)kmax) {
e += dat[w] * x[col[w]];
accu += 1;
} else {
F.axpyin(e, dat[w], x[col[w]]);
accu = 0;
}
} else { // new line
F.init(y[larow_i], e);
larow_i = row[w];
F.init(e, y[larow_i]);
e += dat[w] * x[col[w]];
accu = 1;
}
++w;
}
F.init(y[larow_i], e);
}
template <class Field>
inline void fspmv_one(const Field &F, const Sparse<Field, SparseMatrix_t::COO_ZO> &A,
typename Field::ConstElement_ptr x_, typename Field::Element_ptr y_,
FieldCategories::GenericTag) {
assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
index_t j = 0;
for (; j < ROUND_DOWN(A.nnz, 4); j += 4) {
F.addin(y[row[j]], x[col[j]]);
F.addin(y[row[j + 1]], x[col[j + 1]]);
F.addin(y[row[j + 2]], x[col[j + 2]]);
F.addin(y[row[j + 3]], x[col[j + 3]]);
}
for (; j < A.nnz; ++j) {
F.addin(y[row[j]], x[col[j]]);
}
}
template <class Field>
inline void fspmv_mone(const Field &F, const Sparse<Field, SparseMatrix_t::COO_ZO> &A,
typename Field::ConstElement_ptr x_, typename Field::Element_ptr y_,
FieldCategories::GenericTag) {
assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
index_t j = 0;
for (; j < ROUND_DOWN(A.nnz, 4); j += 4) {
F.subin(y[row[j]], x[col[j]]);
F.subin(y[row[j + 1]], x[col[j + 1]]);
F.subin(y[row[j + 2]], x[col[j + 2]]);
F.subin(y[row[j + 3]], x[col[j + 3]]);
}
for (; j < A.nnz; ++j) {
F.subin(y[row[j]], x[col[j]]);
}
}
template <class Field>
inline void fspmv_one(const Field &F, const Sparse<Field, SparseMatrix_t::COO_ZO> &A,
typename Field::ConstElement_ptr x_, typename Field::Element_ptr y_,
FieldCategories::UnparametricTag) {
assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
index_t j = 0;
for (; j < ROUND_DOWN(A.nnz, 4); j += 4) {
y[row[j]] += x[col[j]];
y[row[j + 1]] += x[col[j + 1]];
y[row[j + 2]] += x[col[j + 2]];
y[row[j + 3]] += x[col[j + 3]];
}
for (; j < A.nnz; ++j) {
y[row[j]] += x[col[j]];
}
}
template <class Field>
inline void fspmv_mone(const Field &F, const Sparse<Field, SparseMatrix_t::COO_ZO> &A,
typename Field::ConstElement_ptr x_, typename Field::Element_ptr y_,
FieldCategories::UnparametricTag) {
assume_aligned(col, A.col, (size_t)Alignment::CACHE_LINE);
assume_aligned(row, A.row, (size_t)Alignment::CACHE_LINE);
assume_aligned(x, x_, (size_t)Alignment::DEFAULT);
assume_aligned(y, y_, (size_t)Alignment::DEFAULT);
index_t j = 0;
for (; j < ROUND_DOWN(A.nnz, 4); j += 4) {
y[row[j]] -= x[col[j]];
y[row[j + 1]] -= x[col[j + 1]];
y[row[j + 2]] -= x[col[j + 2]];
y[row[j + 3]] -= x[col[j + 3]];
}
for (; j < A.nnz; ++j) {
y[row[j]] -= x[col[j]];
}
}
} // coo_details
} // FFLAS
#endif // __FFLASFFPACK_fflas_coo_spmv_INL
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