src/gromacs/hardware/detecthardware.h

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  36 #ifndef GMX_HARDWARE_DETECTHARDWARE_H
  37 #define GMX_HARDWARE_DETECTHARDWARE_H
  38
  39 #include <memory>
  40
  41 struct gmx_hw_info_t;
  42
  43 namespace gmx
  44 {
  45 class HardwareTopology;
  46 class MDLogger;
  47 class PhysicalNodeCommunicator;
  48
  49 /*! \brief Run detection and make correct and consistent
  50  * hardware information available on all ranks.
  51  *
  52  * May do communication on MPI_COMM_WORLD when compiled with real MPI.
  53  *
  54  * This routine is designed to be called once on each process.  In a
  55  * thread-MPI configuration, it may only be called before the threads
  56  * are spawned. With real MPI, communication is needed to coordinate
  57  * the results. In all cases, any thread within a process may use the
  58  * returned handle.
  59  *
  60  * \todo Replace the use of MPI_COMM_WORLD e.g. by using a libraryCommWorld
  61  * argument. See https://gitlab.com/gromacs/gromacs/-/issues/3650
  62  */
  63 std::unique_ptr<gmx_hw_info_t> gmx_detect_hardware(const PhysicalNodeCommunicator& physicalNodeComm);
  64
  65 /*! \brief Sanity check hardware topology and print some notes to log
  66  *
  67  *  \param mdlog            Logger.
  68  *  \param hardwareTopology Reference to hardwareTopology object.
  69  */
  70 void hardwareTopologyDoubleCheckDetection(const gmx::MDLogger&         mdlog,
  71                                           const gmx::HardwareTopology& hardwareTopology);
  72
  73 /*! \brief Issue warnings to mdlog that were decided during detection
  74  *
  75  * \param[in] mdlog                Logger
  76  * \param[in] hardwareInformation  The hardwareInformation */
  77 void logHardwareDetectionWarnings(const gmx::MDLogger& mdlog, const gmx_hw_info_t& hardwareInformation);
  78
  79 } // namespace gmx
  80
  81 #endif