src/gromacs/ewald/pme_gpu_timings.h

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  35
  36 /*! \internal \file
  37  *  \brief Defines PME GPU timing functions.
  38  *
  39  *  \author Aleksei Iupinov <a.yupinov@gmail.com>
  40  * \ingroup module_ewald
  41  */
  42
  43 #ifndef GMX_EWALD_PME_GPU_TIMINGS_H
  44 #define GMX_EWALD_PME_GPU_TIMINGS_H
  45
  46 #include <cstddef>
  47
  48 struct gmx_wallclock_gpu_pme_t;
  49 struct PmeGpu;
  50
  51 /*! \libinternal \brief
  52  * Starts timing the certain PME GPU stage during a single computation (if timings are enabled).
  53  *
  54  * \param[in] pmeGpu         The PME GPU data structure.
  55  * \param[in] PMEStageId     The PME GPU stage gtPME_ index from the enum in src/gromacs/timing/gpu_timing.h
  56  */
  57 void pme_gpu_start_timing(const PmeGpu* pmeGpu, size_t PMEStageId);
  58
  59 /*! \libinternal \brief
  60  * Stops timing the certain PME GPU stage during a single computation (if timings are enabled).
  61  *
  62  * \param[in] pmeGpu         The PME GPU data structure.
  63  * \param[in] PMEStageId     The PME GPU stage gtPME_ index from the enum in src/gromacs/timing/gpu_timing.h
  64  */
  65 void pme_gpu_stop_timing(const PmeGpu* pmeGpu, size_t PMEStageId);
  66
  67 /*! \brief
  68  * Tells if CUDA-based performance tracking is enabled for PME.
  69  *
  70  * \param[in] pmeGpu         The PME GPU data structure.
  71  * \returns                  True if timings are enabled, false otherwise.
  72  */
  73 bool pme_gpu_timings_enabled(const PmeGpu* pmeGpu);
  74
  75 /*! \libinternal \brief
  76  * Finalizes all the active PME GPU stage timings for the current computation. Should be called at the end of every computation.
  77  *
  78  * \param[in] pmeGpu         The PME GPU structure.
  79  */
  80 void pme_gpu_update_timings(const PmeGpu* pmeGpu);
  81
  82 /*! \libinternal \brief
  83  * Updates the internal list of active PME GPU stages (if timings are enabled).
  84  *
  85  * \param[in] pmeGpu         The PME GPU data structure.
  86  */
  87 void pme_gpu_reinit_timings(const PmeGpu* pmeGpu);
  88
  89 /*! \brief
  90  * Resets the PME GPU timings. To be called at the reset MD step.
  91  *
  92  * \param[in] pmeGpu         The PME GPU structure.
  93  */
  94 void pme_gpu_reset_timings(const PmeGpu* pmeGpu);
  95
  96 /*! \libinternal \brief
  97  * Copies the PME GPU timings to the gmx_wallclock_gpu_t structure (for log output). To be called at the run end.
  98  *
  99  * \param[in] pmeGpu         The PME GPU structure.
 100  * \param[in] timings        The gmx_wallclock_gpu_pme_t structure.
 101  */
 102 void pme_gpu_get_timings(const PmeGpu* pmeGpu, gmx_wallclock_gpu_pme_t* timings);
 103
 104 #endif