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36 * \brief Function definitions for non-GPU builds
38 * \author Mark Abraham <mark.j.abraham@gmail.com>
42 #include "gpu_utils.h"
48 #include "gromacs/hardware/gpu_hw_info.h"
49 #include "gromacs/utility/smalloc.h"
52 /*! \brief Set allocation functions used by the GPU host
54 * Since GPU support is not configured, there is no host memory to
56 void gpu_set_host_malloc_and_free(bool /*unused*/,
57 gmx_host_alloc_t **nb_alloc,
58 gmx_host_free_t **nb_free)
64 int gpu_info_get_stat(const gmx_gpu_info_t & /*unused*/, int /*unused*/)
66 return egpuNonexistent;
70 void free_gpu_info(const gmx_gpu_info_t *gpu_info)
72 sfree(static_cast<void*>(gpu_info->gpu_dev)); //circumvent is_pod check in sfree
75 std::vector<int> getCompatibleGpus(const gmx_gpu_info_t &gpu_info)
77 // Possible minor over-allocation here, but not important for anything
78 std::vector<int> compatibleGpus;
79 compatibleGpus.reserve(gpu_info.n_dev);
80 for (int i = 0; i < gpu_info.n_dev; i++)
82 assert(gpu_info.gpu_dev);
83 if (gpu_info_get_stat(gpu_info, i) == egpuCompatible)
85 compatibleGpus.push_back(i);
88 return compatibleGpus;
91 const char *getGpuCompatibilityDescription(const gmx_gpu_info_t &gpu_info,
94 return (index >= gpu_info.n_dev ?
95 gpu_detect_res_str[egpuNonexistent] :
96 gpu_detect_res_str[gpu_info_get_stat(gpu_info, index)]);