mirror of
https://github.com/triqs/dft_tools
synced 2024-12-25 05:43:40 +01:00
98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/*******************************************************************************
|
|
*
|
|
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
|
|
*
|
|
* Copyright (C) 2014 by O. Parcollet
|
|
*
|
|
* TRIQS is free software: you can redistribute it and/or modify it under the
|
|
* terms of the GNU General Public License as published by the Free Software
|
|
* Foundation, either version 3 of the License, or (at your option) any later
|
|
* version.
|
|
*
|
|
* TRIQS is distributed 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 General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
******************************************************************************/
|
|
#pragma once
|
|
#include "./base.hpp"
|
|
|
|
namespace triqs {
|
|
namespace mpi {
|
|
|
|
//--------------------------------------------------------------------------------------------------------
|
|
|
|
// When value_type is a basic type, we can directly call the C API
|
|
template <typename G> struct mpi_impl_triqs_gfs {
|
|
|
|
//---------
|
|
static void reduce_in_place(communicator c, G &g, int root) {
|
|
triqs::mpi::reduce_in_place(c, g.data(), root);
|
|
triqs::mpi::reduce_in_place(c, g.singularity(), root);
|
|
}
|
|
|
|
//---------
|
|
/*static void allreduce_in_place(communicator c, G &g, int root) {
|
|
triqs::mpi::allreduce_in_place(c, g.data(), root);
|
|
triqs::mpi::allreduce_in_place(c, g.singularity(), root);
|
|
}
|
|
*/
|
|
|
|
//---------
|
|
static void broadcast(communicator c, G &g, int root) {
|
|
triqs::mpi::broadcast(c, g.data(), root);
|
|
triqs::mpi::broadcast(c, g.singularity(), root);
|
|
}
|
|
|
|
//---------
|
|
template <typename Tag> static mpi_lazy<Tag, G> invoke(Tag, communicator c, G const &g, int root) {
|
|
return {g, root, c};
|
|
}
|
|
|
|
//---- reduce ----
|
|
static G &complete_operation(G &target, mpi_lazy<tag::reduce, G> laz) {
|
|
target._data = mpi::reduce(laz.ref.data(), laz.c, laz.root);
|
|
target._singularity = mpi::reduce(laz.ref.singularity(), laz.c, laz.root);
|
|
return target;
|
|
}
|
|
|
|
//---- allreduce ----
|
|
static G &complete_operation(G &target, mpi_lazy<tag::allreduce, G> laz) {
|
|
target._data = mpi::allreduce(laz.ref.data(), laz.c, laz.root);
|
|
target._singularity = mpi::allreduce(laz.ref.singularity(), laz.c, laz.root);
|
|
return target;
|
|
}
|
|
|
|
//---- scatter ----
|
|
static G &complete_operation(G &target, mpi_lazy<tag::scatter, G> laz) {
|
|
target._mesh = mpi_scatter(laz.ref.mesh(), laz.c, laz.root);
|
|
target._data = mpi::scatter(laz.ref.data(), laz.c, laz.root); // HERE ADD OPTION FOR CHUNCK
|
|
target._singularity = laz.ref.singularity();
|
|
//mpi::broadcast(target._singularity, laz.c, laz.root);
|
|
return target;
|
|
}
|
|
|
|
//---- gather ----
|
|
static G &complete_operation(G &target, mpi_lazy<tag::gather, G> laz) {
|
|
target._mesh = mpi_gather(laz.ref.mesh(), laz.c, laz.root);
|
|
target._data = mpi::gather(laz.ref.data(), laz.c, laz.root); // HERE ADD OPTION FOR CHUNCK
|
|
// do nothing for singularity
|
|
return target;
|
|
}
|
|
|
|
//---- allgather ----
|
|
static G &complete_operation(G &target, mpi_lazy<tag::allgather, G> laz) {
|
|
target._data = mpi::allgather(laz.ref.data(), laz.c, laz.root); // HERE ADD OPTION FOR CHUNCK
|
|
// do nothing for singularity
|
|
return target;
|
|
}
|
|
|
|
};
|
|
|
|
} // mpi namespace
|
|
} // namespace triqs
|