9j<UddlZddlZddlmZddlZddlmZgdZee e d<de defdZ e ejd sAe ejd red e ejd red e ejdrede ejdrede ejdrede d ejjd <e d ejjd <e d ejjd <e dejjd<e dejjd<e dejjd<deddfdZdeddfdZGddZy)N)Callable)Storage)gds_register_buffergds_deregister_bufferGdsFile__all__namereturncfd}|S)Nc"tdd)Nz torch._C.z" is not supported on this platform) RuntimeError)argskwargsr s N/media/conek/DATA/Code/OCR/venv/lib/python3.12/site-packages/torch/cuda/gds.pyfnz_dummy_fn..fnsYtf,NOPP)r rs` r _dummy_fnrsQ Ir_gds_register_buffer_gds_deregister_bufferz?_gds_deregister_buffer exists but _gds_register_buffer does not_gds_register_handlez=_gds_register_handle exists but _gds_register_buffer does not_gds_deregister_handlez?_gds_deregister_handle exists but _gds_register_buffer does not_gds_load_storagez:_gds_load_storage exists but _gds_register_buffer does not_gds_save_storagez:_gds_save_storage exists but _gds_register_buffer does notscBtjj|y)a:Registers a storage on a CUDA device as a cufile buffer. Example:: >>> # xdoctest: +SKIP("gds filesystem requirements") >>> src = torch.randn(1024, device="cuda") >>> s = src.untyped_storage() >>> gds_register_buffer(s) Args: s (Storage): Buffer to register. N)torch_Crrs rrr5s HH!!!$rcBtjj|y)awDeregisters a previously registered storage on a CUDA device as a cufile buffer. Example:: >>> # xdoctest: +SKIP("gds filesystem requirements") >>> src = torch.randn(1024, device="cuda") >>> s = src.untyped_storage() >>> gds_register_buffer(s) >>> gds_deregister_buffer(s) Args: s (Storage): Buffer to register. N)rrrrs rrrEs HH##A&rcdeZdZdZdedefdZddZddZdd Z dd e d eddfd Z dd e d eddfd Z y)raWrapper around cuFile. cuFile is a file-like interface to the GPUDirect Storage (GDS) API. See the `cufile docs `_ for more details. Args: filename (str): Name of the file to open. flags (int): Flags to pass to ``os.open`` when opening the file. ``os.O_DIRECT`` will be added automatically. Example:: >>> # xdoctest: +SKIP("gds filesystem requirements") >>> src1 = torch.randn(1024, device="cuda") >>> src2 = torch.randn(2, 1024, device="cuda") >>> file = torch.cuda.gds.GdsFile(f, os.O_CREAT | os.O_RDWR) >>> file.save_storage(src1.untyped_storage(), offset=0) >>> file.save_storage(src2.untyped_storage(), offset=src1.nbytes) >>> dest1 = torch.empty(1024, device="cuda") >>> dest2 = torch.empty(2, 1024, device="cuda") >>> file.load_storage(dest1.untyped_storage(), offset=0) >>> file.load_storage(dest2.untyped_storage(), offset=src1.nbytes) >>> torch.equal(src1, dest1) True >>> torch.equal(src2, dest2) True filenameflagsctjdk(r td||_||_t j ||t jz|_d|_ |jy)Nwin32z*GdsFile is not supported on this platform.) sysplatformr r"r#osopenO_DIRECTfdhandleregister_handle)selfr"r#s r__init__zGdsFile.__init__vsV <<7 "KL L   ''(EBKK$78"&  rr Ncz|j|jtj|jy)N)r,deregister_handler(closer+r.s r__del__zGdsFile.__del__s( ;; "  " " $ rc|j tdtjj |j |_y)zpRegisters file descriptor to cuFile Driver. This is a wrapper around ``cuFileHandleRegister``. Nz4Cannot register a handle that is already registered.)r,AssertionErrorrrrr+r3s rr-zGdsFile.register_handles4 ;; " !WX Xhh33DGG< rc|j tdtjj |jd|_y)zvDeregisters file descriptor from cuFile Driver. This is a wrapper around ``cuFileHandleDeregister``. Nz2Cannot deregister a handle that is not registered.)r,r6rrrr3s rr1zGdsFile.deregister_handles7 ;;  !UV V '' 4 rstorageoffsetc|j tdtjj |j||y)amLoads data from the file into the storage. This is a wrapper around ``cuFileRead``. ``storage.nbytes()`` of data will be loaded from the file at ``offset`` into the storage. Args: storage (Storage): Storage to load data into. offset (int, optional): Offset into the file to start loading from. (Default: 0) Nz4Cannot load data from a file that is not registered.)r,r6rrrr.r8r9s r load_storagezGdsFile.load_storages4 ;;  !WX X ""4;;@rc|j tdtjj |j||y)aUSaves data from the storage into the file. This is a wrapper around ``cuFileWrite``. All bytes of the storage will be written to the file at ``offset``. Args: storage (Storage): Storage to save data from. offset (int, optional): Offset into the file to start saving to. (Default: 0) Nz2Cannot save data to a file that is not registered.)r,r6rrrr;s r save_storagezGdsFile.save_storages4 ;;  !UV V ""4;;@r)r N)r) __name__ __module__ __qualname____doc__strintr/r4r-r1rr<r>rrrrrVse>S = AG AS A A AG AS A Arr)r(r&collections.abcrr torch.typesrrlistrC__annotations__rhasattrrr6__dict__rrrrrrrKs $ cCHuxx/0uxx12 M  uxx/0 K  uxx12 M  uxx,- H  uxx,- H  1::P0QEHH,-2;