^j<\UddlZddlZddlZddlZddlZddlmZddlZddlm Z m Z ddl m Z ddl mZmZmZmZmZmZmZddlmZddlmZmZmZmZmZmZddlmZm Z m!Z!m"Z"m#Z#m$Z$dd l%m&Z&dd l'm(Z(ejRe*Z+ejXe-d <d d gZ.Gdd e Z/Gdd e Z0y)N)Any)FileSystemReaderFileSystemWriter)consolidate_safetensors_files)_gen_file_name_HFStorageInfo _metadata_fnCUSTOM_METADATA_KEYSAVED_OFFSETS_KEYSHARDED_DIR_NAMESUFFIX)SerializationFormat)ChunkStorageMetadataMetadata MetadataIndex StorageMetaTensorPropertiesTensorStorageMetadata)LoadPlan LoadPlannerReadItemSavePlan SavePlanner WriteItem) WriteResult)FutureloggerHuggingFaceStorageWriterHuggingFaceStorageReaderc eZdZdZ ddedeeefdzdedededed dffd Zd e e d e e fd Z d e de d e e effd Zdede e ed dfdZdeeefdzde ed eee effdZed efdZxZS)rzP A writer that writes to storage in the huggingface safetensors format. Npathfqn_to_index_mapping thread_countsave_distributedenable_consolidationthread_count_consolidationreturnc6t||tj|||_||_||_d|_|j rIt|j|_|jj|jt|_ ||_ y)a Initialize the huggingface writer pointing to path. Args: path: directory where the checkpoint will be read from. fqn_to_index_mapping: A mapping from tensor FQN to the index of the file that the tensor should be written to. Indices are from 1 to N, where N is the number of files. If not provided, the tensors will be written to a single file. If none, then all the tensors on the same rank will be written to the same file. thread_count: Number of threads to use to write distributed checkpoint. Default to 1. save_distributed: If True, save the checkpoint using distributed APIs where every rank saves its own shard. Default is False which assumes rank-0 checkpointing of the full state_dict. enable_consolidation: If True, consolidate the sharded checkpoint after saving. The sharded tensors will be saved to path/sharded and the full tensors will be saved to path. Default to False. thread_count_consolidation: Number of threads to use for parallel processing of saving data to consolidated output files. 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" 8>%Bx%B$tK7H2I%Bd%BN cNT1:>y/ c4 ?" #&sr4ceZdZdZddededdffd Zdededdfd Z d e jd e jdeddfd Z d e dededfdZdefdZxZS)rzQ A reader that reads a checkpoint in the huggingface safetensors format. r!r#r'Nc4t||||_y)z Initialize the huggingface reader pointing to path. Args: path: directory where the checkpoint will be read from. thread_count: Number of threads to use to read distributed checkpoint. Default to 1. )r!N)r*r+r#)r1r!r#r2s r3r+z!HuggingFaceStorageReader.__init__s d#(r4reqrCc tdt|j|jD}|j |j j |}|j|j}|j|jk7r:td|j d|jd|j|j||j||y)z1Helper function to process a single read request.c3@K|]\}}t|||zywr})slice).0offsetrms r3 zAHuggingFaceStorageReader._process_read_request..s'  &&6/ * szreq z mismatch sizes z vs N) tuplezipstorage_offsetslengths get_slice storage_indexrjresolve_tensordetachsizeAssertionErrorcopy_ commit_tensor)r1frrCslicestensor target_tensors r3_process_read_requestz.HuggingFaceStorageReader._process_read_requests "%c&9&93;;"G  S..223F;..s3::<    6;;= 0 s(())9-:L:L:N9OtTZT_T_TaSbc  F#c=1r4rS result_queuecddlm} |j\}}||d5}|D]}|j||| ddd|j dS#1swYxYw#t j $rYywxYw)Nr safe_openTptfilename framework) safetensorsr get_nowaitrrMrKEmpty) r1rSrrCrrVreqsrrs r3_read_files_from_queuez/HuggingFaceStorageReader._read_files_from_queues * ","7"7"9 4 TBDa#D221c7CDD  & DD{{   s(A(AA(A%!A((A>=A>rAcTddlm}i}|jD]H}|j|j}|j }|j |gj|J|jdkst|dkrG|jD]3\}}||d5} |D]} |j| | | ddd5ntj} tj} |jD]\}}| j||fg} t|jt|}t|D]G}t!j"|j$| | |f}|j'| j|I| D]}|j)d} | j+|dz }t1}|j3d|S#1swYXxYw#tj,$rYnwxYw|t|k7sRt/d|dt|) Nrrr7rr)targetargszNot all files were processed: z out of )rrrFr:rrk setdefaultr<r#rErrKrLrMminrange threadingThreadrr8joinrrrrrG)r1rArCrper_file read_itemitem_mdrVrrrrSrthreadsr]_tprocessed_countrOs r3 read_dataz"HuggingFaceStorageReader.read_datas8).0 AI&*&7&7 8O8O&PG--I    2 . 5 5i @ A    !S]a%7#+>>#3 D 4 TBDa#D221c7CDDD D ',kkmJ(- L$,>>#3 2 4 401 2Gd//X?K;' "$$66$lG< q!  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