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36 #ifndef GMX_OMP_NTHREADS
37 #define GMX_OMP_NTHREADS
49 /*! Enum values corresponding to multithreaded algorithmic modules. */
50 typedef enum module_nth
52 /* Default is meant to be used in OMP regions outside the named
53 * algorithmic modules listed below. */
54 emntDefault, emntDomdec, emntPairsearch, emntNonbonded,
55 emntBonded, emntPME, emntUpdate, emntVSITE, emntLINCS, emntSETTLE,
59 /*! Initializes the per-module thread count. It is compatible with tMPI,
60 * thread-safety is ensured (for the features available with tMPI).
61 * This function should caled only once during the initialization of mdrun. */
62 void gmx_omp_nthreads_init(FILE *fplog, t_commrec *cr,
63 int nthreads_hw_avail,
65 int omp_nthreads_pme_req,
66 gmx_bool bCurrNodePMEOnly,
67 gmx_bool bFullOmpSupport);
69 /*! Returns the number of threads to be used in the given module m. */
70 int gmx_omp_nthreads_get(int mod);
72 /*! \brief Sets the number of threads to be used in module. Intended
73 * for use in testing. */
74 void gmx_omp_nthreads_set(int mod, int nthreads);
76 /*! Read the OMP_NUM_THREADS env. var. and check against the value set on the command line. */
77 void gmx_omp_nthreads_read_env(int *nthreads_omp,
78 gmx_bool bIsSimMaster);
87 #endif /* GMX_OMP_NTHREADS */