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36 #ifndef GMX_HARDWARE_DETECT_H
37 #define GMX_HARDWARE_DETECT_H
38 #include "visibility.h"
39 #include "types/hw_info.h"
45 } /* fixes auto-indentation problems */
48 /* the init and consistency functions depend on commrec that may not be
49 consistent in cuda because MPI types don't exist there. */
51 #include "types/commrec.h"
52 /* return a pointer to a global hwinfo structure. */
54 gmx_hw_info_t *gmx_detect_hardware(FILE *fplog, const t_commrec *cr,
55 gmx_bool bForceUseGPU, gmx_bool bTryUseGPU,
59 void gmx_hardware_info_free(gmx_hw_info_t *hwinfo);
61 /* Check the thread count + GPU assignment. This function must
62 either be run by all threads that persist (i.e. all tmpi threads),
63 or be run before they are created. */
65 void gmx_check_hw_runconf_consistency(FILE *fplog, gmx_hw_info_t *hwinfo,
66 const t_commrec *cr, int ntmpi_requsted,
71 /* Check whether a GPU is shared among ranks, and return the number of shared
74 hwinfo = the hwinfo struct
76 returns: The number of GPUs shared among ranks, or 0 */
78 int gmx_count_gpu_dev_shared(const gmx_gpu_info_t *gpu_info);
86 #endif /* GMX_HARDWARE_DETECT_H */