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#include <c10/macros/Macros.h>
#include <c10/core/Device.h>
#include <cstdint>
namespace at::cuda {
namespace detail {
void init_p2p_access_cache(int64_t num_devices);
}
TORCH_CUDA_CPP_API bool get_p2p_access(c10::DeviceIndex source_dev, c10::DeviceIndex dest_dev);
} // namespace at::cuda
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