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37 * \brief Function definitions for non-GPU builds
39 * \author Mark Abraham <mark.j.abraham@gmail.com>
43 #include "gpu_utils.h"
47 #include "gromacs/utility/arrayref.h"
48 #include "gromacs/utility/enumerationhelpers.h"
49 #include "gromacs/utility/stringutil.h"
52 # pragma warning(disable : 6237)
55 const char* enumValueToString(GpuApiCallBehavior enumValue)
57 static constexpr gmx::EnumerationArray<GpuApiCallBehavior, const char*> s_gpuApiCallBehaviorNames = {
58 "Synchronous", "Asynchronous"
60 return s_gpuApiCallBehaviorNames[enumValue];
63 bool decideGpuTimingsUsage()
65 if (GMX_GPU_CUDA || GMX_GPU_SYCL)
67 /* CUDA: timings are incorrect with multiple streams.
68 * This is the main reason why they are disabled by default.
69 * TODO: Consider turning on by default when we can detect nr of streams.
71 * SYCL: compilers and runtimes change rapidly, so we disable timings by default
72 * to avoid any possible overhead. */
73 return (getenv("GMX_ENABLE_GPU_TIMING") != nullptr);
75 else if (GMX_GPU_OPENCL)
77 return (getenv("GMX_DISABLE_GPU_TIMING") == nullptr);