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37 * \brief Implements PME GPU timing events wrappers.
39 * \author Aleksei Iupinov <a.yupinov@gmail.com>
40 * \ingroup module_ewald
45 #include "pme_gpu_timings.h"
47 #include "gromacs/utility/gmxassert.h"
49 #include "pme_gpu_internal.h"
50 #include "pme_gpu_types_host.h"
51 #include "pme_gpu_types_host_impl.h"
53 bool pme_gpu_timings_enabled(const PmeGpu* pmeGpu)
55 return pmeGpu->archSpecific->useTiming;
58 void pme_gpu_start_timing(const PmeGpu* pmeGpu, size_t PMEStageId)
60 if (pme_gpu_timings_enabled(pmeGpu))
62 GMX_ASSERT(PMEStageId < pmeGpu->archSpecific->timingEvents.size(),
63 "Wrong PME GPU timing event index");
64 pmeGpu->archSpecific->timingEvents[PMEStageId].openTimingRegion(pmeGpu->archSpecific->pmeStream_);
68 void pme_gpu_stop_timing(const PmeGpu* pmeGpu, size_t PMEStageId)
70 if (pme_gpu_timings_enabled(pmeGpu))
72 GMX_ASSERT(PMEStageId < pmeGpu->archSpecific->timingEvents.size(),
73 "Wrong PME GPU timing event index");
74 pmeGpu->archSpecific->timingEvents[PMEStageId].closeTimingRegion(pmeGpu->archSpecific->pmeStream_);
78 void pme_gpu_get_timings(const PmeGpu* pmeGpu, gmx_wallclock_gpu_pme_t* timings)
80 if (pme_gpu_timings_enabled(pmeGpu))
82 GMX_RELEASE_ASSERT(timings, "Null GPU timing pointer");
83 for (size_t i = 0; i < pmeGpu->archSpecific->timingEvents.size(); i++)
85 timings->timing[i].t = pmeGpu->archSpecific->timingEvents[i].getTotalTime();
86 timings->timing[i].c = pmeGpu->archSpecific->timingEvents[i].getCallCount();
91 void pme_gpu_update_timings(const PmeGpu* pmeGpu)
93 if (pme_gpu_timings_enabled(pmeGpu))
95 for (const size_t& activeTimer : pmeGpu->archSpecific->activeTimers)
97 pmeGpu->archSpecific->timingEvents[activeTimer].getLastRangeTime();
102 void pme_gpu_reinit_timings(const PmeGpu* pmeGpu)
104 if (pme_gpu_timings_enabled(pmeGpu))
106 pmeGpu->archSpecific->activeTimers.clear();
107 pmeGpu->archSpecific->activeTimers.insert(gtPME_SPLINEANDSPREAD);
108 const auto& settings = pme_gpu_settings(pmeGpu);
109 // TODO: no separate gtPME_SPLINE and gtPME_SPREAD as they are not used currently
110 if (settings.performGPUFFT)
112 pmeGpu->archSpecific->activeTimers.insert(gtPME_FFT_C2R);
113 pmeGpu->archSpecific->activeTimers.insert(gtPME_FFT_R2C);
115 if (settings.performGPUSolve)
117 pmeGpu->archSpecific->activeTimers.insert(gtPME_SOLVE);
119 if (settings.performGPUGather)
121 pmeGpu->archSpecific->activeTimers.insert(gtPME_GATHER);
126 void pme_gpu_reset_timings(const PmeGpu* pmeGpu)
128 if (pme_gpu_timings_enabled(pmeGpu))
130 for (size_t i = 0; i < pmeGpu->archSpecific->timingEvents.size(); i++)
132 pmeGpu->archSpecific->timingEvents[i].reset();