15/09/2025 16:41, Gregory Etelson: > From: Bing Zhao <bi...@nvidia.com> > > The API name and prototype have been changed in the new CUDA, this > commit will ensure the compatibility with different versions. [...] > /* CUDA Driver functions loaded with cuGetProcAddress for versioning */ > +#if defined(CUDA_VERSION) && (CUDA_VERSION >= 13000) > +static PFN_cuGetErrorString_v6000 pfn_cuGetErrorString; > +static PFN_cuGetErrorName_v6000 pfn_cuGetErrorName; > +static PFN_cuPointerSetAttribute_v6000 pfn_cuPointerSetAttribute; > +static PFN_cuDeviceGetAttribute_v2000 pfn_cuDeviceGetAttribute; > +static PFN_cuDeviceGetByPCIBusId_v4010 pfn_cuDeviceGetByPCIBusId; > +static PFN_cuDevicePrimaryCtxRetain_v7000 pfn_cuDevicePrimaryCtxRetain; > +static PFN_cuDevicePrimaryCtxRelease_v11000 pfn_cuDevicePrimaryCtxRelease; > +static PFN_cuDeviceTotalMem_v3020 pfn_cuDeviceTotalMem; > +static PFN_cuDeviceGetName_v2000 pfn_cuDeviceGetName; > +static PFN_cuCtxGetApiVersion_v3020 pfn_cuCtxGetApiVersion; > +static PFN_cuCtxSetCurrent_v4000 pfn_cuCtxSetCurrent; > +static PFN_cuCtxGetCurrent_v4000 pfn_cuCtxGetCurrent; > +static PFN_cuCtxGetDevice_v2000 pfn_cuCtxGetDevice; > +static PFN_cuCtxGetExecAffinity_v11040 pfn_cuCtxGetExecAffinity; > +static PFN_cuMemAlloc_v3020 pfn_cuMemAlloc; > +static PFN_cuMemFree_v3020 pfn_cuMemFree; > +static PFN_cuMemHostRegister_v6050 pfn_cuMemHostRegister; > +static PFN_cuMemHostUnregister_v4000 pfn_cuMemHostUnregister; > +static PFN_cuMemHostGetDevicePointer_v3020 pfn_cuMemHostGetDevicePointer; > +static PFN_cuFlushGPUDirectRDMAWrites_v11030 pfn_cuFlushGPUDirectRDMAWrites; > +#else > static PFN_cuGetErrorString pfn_cuGetErrorString; > static PFN_cuGetErrorName pfn_cuGetErrorName;
What is the logic here? The old version keeps its original name, and new versions have a suffix? Why not use the old version? What will happen with next versions?
