decidegpuusage.cpp File Reference

#include "gmxpre.h"
#include "decidegpuusage.h"
#include "config.h"
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <string>
#include "gromacs/ewald/pme.h"
#include "gromacs/hardware/cpuinfo.h"
#include "gromacs/hardware/detecthardware.h"
#include "gromacs/hardware/hardwaretopology.h"
#include "gromacs/hardware/hw_info.h"
#include "gromacs/mdlib/gmx_omp_nthreads.h"
#include "gromacs/mdlib/update_constrain_cuda.h"
#include "gromacs/mdtypes/commrec.h"
#include "gromacs/mdtypes/inputrec.h"
#include "gromacs/mdtypes/md_enums.h"
#include "gromacs/mdtypes/mdrunoptions.h"
#include "gromacs/pulling/pull.h"
#include "gromacs/taskassignment/taskassignment.h"
#include "gromacs/topology/mtop_util.h"
#include "gromacs/topology/topology.h"
#include "gromacs/utility/baseversion.h"
#include "gromacs/utility/exceptions.h"
#include "gromacs/utility/fatalerror.h"
#include "gromacs/utility/gmxassert.h"
#include "gromacs/utility/logger.h"
#include "gromacs/utility/stringutil.h"

Include dependency graph for decidegpuusage.cpp:

Description

Defines functionality for deciding whether tasks will run on GPUs.

Author

Mark Abraham mark..nosp@m.j.ab.nosp@m.raham.nosp@m.@gma.nosp@m.il.co.nosp@m.m

Functions
bool	gmx::decideWhetherToUseGpusForNonbondedWithThreadMpi (TaskTarget nonbondedTarget, const std::vector< int > &gpuIdsToUse, const std::vector< int > &userGpuTaskAssignment, EmulateGpuNonbonded emulateGpuNonbonded, bool buildSupportsNonbondedOnGpu, bool nonbondedOnGpuIsUseful, int numRanksPerSimulation)
	Decide whether this thread-MPI simulation will run nonbonded tasks on GPUs. More...
bool	gmx::decideWhetherToUseGpusForPmeWithThreadMpi (bool useGpuForNonbonded, TaskTarget pmeTarget, const std::vector< int > &gpuIdsToUse, const std::vector< int > &userGpuTaskAssignment, const gmx_hw_info_t &hardwareInfo, const t_inputrec &inputrec, const gmx_mtop_t &mtop, int numRanksPerSimulation, int numPmeRanksPerSimulation)
	Decide whether this thread-MPI simulation will run PME tasks on GPUs. More...
bool	gmx::decideWhetherToUseGpusForNonbonded (TaskTarget nonbondedTarget, const std::vector< int > &userGpuTaskAssignment, EmulateGpuNonbonded emulateGpuNonbonded, bool buildSupportsNonbondedOnGpu, bool nonbondedOnGpuIsUseful, bool gpusWereDetected)
	Decide whether the simulation will try to run nonbonded tasks on GPUs. More...
bool	gmx::decideWhetherToUseGpusForPme (bool useGpuForNonbonded, TaskTarget pmeTarget, const std::vector< int > &userGpuTaskAssignment, const gmx_hw_info_t &hardwareInfo, const t_inputrec &inputrec, const gmx_mtop_t &mtop, int numRanksPerSimulation, int numPmeRanksPerSimulation, bool gpusWereDetected)
	Decide whether the simulation will try to run tasks of different types on GPUs. More...
PmeRunMode	gmx::determinePmeRunMode (bool useGpuForPme, const TaskTarget &pmeFftTarget, const t_inputrec &inputrec)
	Determine PME run mode. More...
bool	gmx::decideWhetherToUseGpusForBonded (bool useGpuForNonbonded, bool useGpuForPme, TaskTarget bondedTarget, bool canUseGpuForBonded, bool usingLJPme, bool usingElecPmeOrEwald, int numPmeRanksPerSimulation, bool gpusWereDetected)
	Decide whether the simulation will try to run bonded tasks on GPUs. More...
bool	gmx::decideWhetherToUseGpuForUpdate (bool isDomainDecomposition, bool useUpdateGroups, PmeRunMode pmeRunMode, bool havePmeOnlyRank, bool useGpuForNonbonded, TaskTarget updateTarget, bool gpusWereDetected, const t_inputrec &inputrec, const gmx_mtop_t &mtop, bool useEssentialDynamics, bool doOrientationRestraints, bool useReplicaExchange, bool doRerun, const DevelopmentFeatureFlags &devFlags, const gmx::MDLogger &mdlog)
	Decide whether to use GPU for update. More...

Variables
const char *	gmx::anonymous_namespace{decidegpuusage.cpp}::g_specifyEverythingFormatString
	Helper variable to localise the text of an often repeated message. More...