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125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/communicator/Communicator_none.cc
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Copyright (C) 2015
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#include "Grid.h"
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namespace Grid {
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Info that is setup once and indept of cartesian layout
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int CartesianCommunicator::ShmRank;
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int CartesianCommunicator::ShmSize;
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int CartesianCommunicator::GroupRank;
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int CartesianCommunicator::GroupSize;
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int CartesianCommunicator::WorldRank;
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int CartesianCommunicator::WorldSize;
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int CartesianCommunicator::Slave;
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void * CartesianCommunicator::ShmCommBuf;
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commVector<uint8_t> CartesianCommunicator::ShmBufStorageVector;
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void CartesianCommunicator::Init(int *argc, char *** arv)
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{
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WorldRank = 0;
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WorldSize = 1;
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ShmRank=0;
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ShmSize=1;
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GroupRank=_WorldRank;
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GroupSize=_WorldSize;
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Slave =0;
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ShmInitGeneric();
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}
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CartesianCommunicator::CartesianCommunicator(const std::vector<int> &processors)
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{
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_processors = processors;
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_ndimension = processors.size();
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_processor_coor.resize(_ndimension);
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// Require 1^N processor grid for fake
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_Nprocessors=1;
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_processor = 0;
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for(int d=0;d<_ndimension;d++) {
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assert(_processors[d]==1);
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_processor_coor[d] = 0;
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}
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}
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void CartesianCommunicator::GlobalSum(float &){}
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void CartesianCommunicator::GlobalSumVector(float *,int N){}
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void CartesianCommunicator::GlobalSum(double &){}
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void CartesianCommunicator::GlobalSum(uint32_t &){}
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void CartesianCommunicator::GlobalSum(uint64_t &){}
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void CartesianCommunicator::GlobalSumVector(double *,int N){}
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void CartesianCommunicator::SendRecvPacket(void *xmit,
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void *recv,
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int xmit_to_rank,
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int recv_from_rank,
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int bytes)
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{
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assert(0);
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}
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// Basic Halo comms primitive -- should never call in single node
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void CartesianCommunicator::SendToRecvFrom(void *xmit,
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int dest,
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void *recv,
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int from,
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int bytes)
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{
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assert(0);
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}
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void CartesianCommunicator::SendToRecvFromBegin(std::vector<CommsRequest_t> &list,
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void *xmit,
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int dest,
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void *recv,
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int from,
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int bytes)
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{
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assert(0);
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}
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void CartesianCommunicator::SendToRecvFromComplete(std::vector<CommsRequest_t> &list)
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{
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assert(0);
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}
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void CartesianCommunicator::Barrier(void){}
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void CartesianCommunicator::Broadcast(int root,void* data, int bytes) {}
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void CartesianCommunicator::BroadcastWorld(int root,void* data, int bytes) { }
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int CartesianCommunicator::RankFromProcessorCoor(std::vector<int> &coor) { return 0;}
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void CartesianCommunicator::ProcessorCoorFromRank(int rank, std::vector<int> &coor){ assert(0);}
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void CartesianCommunicator::ShiftedRanks(int dim,int shift,int &source,int &dest)
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{
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source =0;
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dest=0;
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}
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}
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