text: /*
   * This file is part of the GROMACS molecular simulation package.
   *
   * Copyright (c) 2014,2015,2017,2018,2019, by the GROMACS development team.
   * Copyright (c) 2020,2021, by the GROMACS development team, led by
   * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
   * and including many others, as listed in the AUTHORS file in the
   * top-level source directory and at http://www.gromacs.org.
   *
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  /*! \internal \file
   *  \brief Function definitions for non-GPU builds
   *
   *  \author Mark Abraham <mark.j.abraham@gmail.com>
   */
  #include "gmxpre.h"
  
  #include "gpu_utils.h"
  
  #include "config.h"
  
  #include "gromacs/utility/arrayref.h"
  #include "gromacs/utility/enumerationhelpers.h"
  #include "gromacs/utility/stringutil.h"
  
  #ifdef _MSC_VER
  #    pragma warning(disable : 6237)
  #endif
  
  const char* enumValueToString(GpuApiCallBehavior enumValue)
  {
      static constexpr gmx::EnumerationArray<GpuApiCallBehavior, const char*> s_gpuApiCallBehaviorNames = {
          "Synchronous", "Asynchronous"
      };
      return s_gpuApiCallBehaviorNames[enumValue];
  }
  
  bool decideGpuTimingsUsage()
  {
      if (GMX_GPU_CUDA || GMX_GPU_SYCL)
      {
          /* CUDA: timings are incorrect with multiple streams.
           * This is the main reason why they are disabled by default.
           * TODO: Consider turning on by default when we can detect nr of streams.
           *
           * SYCL: compilers and runtimes change rapidly, so we disable timings by default
           * to avoid any possible overhead. */
          return (getenv("GMX_ENABLE_GPU_TIMING") != nullptr);
      }
      else if (GMX_GPU_OPENCL)
      {
          return (getenv("GMX_DISABLE_GPU_TIMING") == nullptr);
      }
      else
      {
          // CPU-only build
          return false;
      }
  }
  