src/gromacs/taskassignment/reportgpuusage.h

   1 /*
   2  * This file is part of the GROMACS molecular simulation package.
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   5  * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
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  35 /*! \defgroup module_taskassignment Assigning simulation tasks to hardware (taskassignment)
  36  * \ingroup group_mdrun
  37  * \brief Provides code that manages assignment of simulation tasks to hardware.
  38  */
  39 /*! \internal
  40  * \file
  41  * \brief Declares routine for reporting GPU usage.
  42  *
  43  * \author Mark Abraham <mark.j.abraham@gmail.com>
  44  * \ingroup module_taskassignment
  45  */
  46 #ifndef GMX_TASKASSIGNMENT_REPORTGPUUSAGE_H
  47 #define GMX_TASKASSIGNMENT_REPORTGPUUSAGE_H
  48
  49 #include <cstdlib>
  50
  51 #include <vector>
  52
  53 enum class PmeRunMode;
  54
  55 namespace gmx
  56 {
  57
  58 class MDLogger;
  59 struct GpuTaskMapping;
  60 template<typename T>
  61 class ArrayRef;
  62 using GpuTaskAssignment = std::vector<GpuTaskMapping>;
  63
  64 /*! \brief Log a report on how GPUs are being used on
  65  * the ranks of the physical node of rank 0 of the simulation.
  66  *
  67  * \todo It could be useful to report also whether any nodes differed,
  68  * and in what way.
  69  *
  70  * \param[in]  mdlog                               Logging object.
  71  * \param[in]  gpuTaskAssignmentOnRanksOfThisNode  The selected GPU IDs.
  72  * \param[in]  numGpuTasksOnThisNode               The number of GPU tasks on this node.
  73  * \param[in]  numPpRanks                          Number of PP ranks on this node
  74  * \param[in]  printHostName                       Print the hostname in the usage information
  75  * \param[in]  useGpuForBonded                     Whether GPU PP tasks will do bonded work on the
  76  * GPU \param[in]  pmeRunMode                          Describes the execution of PME tasks
  77  *
  78  * \throws     std::bad_alloc if out of memory */
  79 void reportGpuUsage(const MDLogger&                   mdlog,
  80                     ArrayRef<const GpuTaskAssignment> gpuTaskAssignmentOnRanksOfThisNode,
  81                     size_t                            numGpuTasksOnThisNode,
  82                     size_t                            numPpRanks,
  83                     bool                              printHostName,
  84                     bool                              useGpuForBonded,
  85                     PmeRunMode                        pmeRunMode);
  86
  87 } // namespace gmx
  88
  89 #endif