include/gmx_omp_nthreads.h

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  35
  36 #ifndef GMX_OMP_NTHREADS
  37 #define GMX_OMP_NTHREADS
  38
  39 /*! Enum values corresponding to multithreaded algorithmic modules. */
  40 typedef enum module_nth
  41 {
  42     /* Default is meant to be used in OMP regions outside the named
  43      * algorithmic modules listed below. */
  44     emntDefault, emntDomdec, emntPairsearch, emntNonbonded,
  45     emntBonded, emntPME,  emntUpdate, emntLINCS, emntSETTLE,
  46     emntNR
  47 } module_nth_t;
  48
  49 /*! Initializes the per-module thread count. It is compatible with tMPI,
  50  *  thread-safety is ensured (for the features available with tMPI).
  51  *  This function should caled only once during the initialization of mdrun. */
  52 void gmx_omp_nthreads_init(FILE *fplog, t_commrec *cr,
  53                            int nthreads_hw_avail,
  54                            int omp_nthreads_req,
  55                            int omp_nthreads_pme_req,
  56                            gmx_bool bCurrNodePMEOnly,
  57                            gmx_bool bFullOmpSupport);
  58
  59 /*! Returns the number of threads to be used in the given module m. */
  60 int gmx_omp_nthreads_get(int mod);
  61
  62 /*! Read the OMP_NUM_THREADS env. var. and check against the value set on the command line. */
  63 void gmx_omp_nthreads_read_env(int *nthreads_omp);
  64
  65 #endif /* GMX_OMP_NTHREADS */