src/gromacs/timing/gpu_timing.h

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  35 /*! \libinternal \file
  36  *  \brief Declares data types for GPU timing
  37  *
  38  *  \author Szilard Pall <pall.szilard@gmail.com>
  39  *  \author Mark Abraham <mark.j.abraham@gmail.com>
  40  *  \inlibraryapi
  41  */
  42
  43 #ifndef GMX_TIMING_GPU_TIMING_H
  44 #define GMX_TIMING_GPU_TIMING_H
  45
  46 #ifdef __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 /*! \internal \brief Nonbonded kernel time and call count. */
  51 struct gmx_nbnxn_kernel_timing_data_t
  52 {
  53     double  t; /**< Accumulated lapsed time */
  54     int     c; /**< Number of calls corresponding to the elapsed time */
  55 };
  56
  57 /*! \internal \brief GPU timings for kernels and H2d/D2H transfers. */
  58 struct gmx_wallclock_gpu_t
  59 {
  60     struct gmx_nbnxn_kernel_timing_data_t ktime[2][2]; /**< table containing the timings of the four
  61                                                           versions of the nonbonded kernels: force-only,
  62                                                           force+energy, force+pruning, and force+energy+pruning */
  63     double  nb_h2d_t;                                  /**< host to device transfer time in nb calculation  */
  64     double  nb_d2h_t;                                  /**< device to host transfer time in nb calculation */
  65     int     nb_c;                                      /**< total call count of the nonbonded gpu operations */
  66     double  pl_h2d_t;                                  /**< pair search step host to device transfer time */
  67     int     pl_h2d_c;                                  /**< pair search step  host to device transfer call count */
  68 };
  69
  70 #ifdef __cplusplus
  71 }
  72 #endif
  73
  74 #endif