!Eia+SSKrSSKrSSKJrJrJrJrJrJr SSK J r S SS.Sjjr S Sjr S Sjr S SjrSSS.S jjrSSS.S jjrg)N)_flatten_dense_tensors_get_device_index_handle_complex_reorder_tensors_as _take_tensors_unflatten_dense_tensors)nccl)outc[U5nUSLUSL- (d[SUSU35eUb:UVs/sHn[U5PM nn[RR X5$[RR X5$s snf)aBroadcasts a tensor to specified GPU devices. Args: tensor (Tensor): tensor to broadcast. Can be on CPU or GPU. devices (Iterable[torch.device, str or int], optional): an iterable of GPU devices, among which to broadcast. out (Sequence[Tensor], optional, keyword-only): the GPU tensors to store output results. .. note:: Exactly one of :attr:`devices` and :attr:`out` must be specified. Returns: - If :attr:`devices` is specified, a tuple containing copies of :attr:`tensor`, placed on :attr:`devices`. - If :attr:`out` is specified, a tuple containing :attr:`out` tensors, each containing a copy of :attr:`tensor`. NzFExactly one of 'devices' and 'out' must be specified, but got devices=z and out=)r RuntimeErrorrtorch_C _broadcast_broadcast_out)tensordevicesr ds S/home/mande/repo/quber/.venv/lib/python3.13/site-packages/torch/nn/parallel/comm.py broadcastrs*V $F _ -TU\T]]fgjfk l  189A$Q'9xx""633xx&&v33 :sBcUVs/sHn[U5PM nnUVs/sHn[U5PM nn[RR XU5$s snfs snf)aBroadcast a sequence of tensors to the specified GPUs. Small tensors are first coalesced into a buffer to reduce the number of synchronizations. Args: tensors (sequence): tensors to broadcast. Must be on the same device, either CPU or GPU. devices (Iterable[torch.device, str or int]): an iterable of GPU devices, among which to broadcast. buffer_size (int): maximum size of the buffer used for coalescing Returns: A tuple containing copies of :attr:`tensor`, placed on :attr:`devices`. )rrr r_broadcast_coalesced)tensorsr buffer_sizerts rbroadcast_coalescedr2sV.55W #WG5+237aq!7G3 88 ( (; GG63s AAc [USS9nUSR5nSn[U5HupEURRS:Xa[ SUS35eUR 5U:XaUnUR5U:wdMZSRS UR555nSRS U55n[S US US U35e Uc [S5e[U5S:XaUS$[R"U5(a/[R"X5n[R"XUS9 U$[R"XRRU5n [U5VV s/sHupJXC:wdM U PM n nn XU SR!U SS9-nU SSH"n UR#U R!U SS95 M$ U$s sn nf)aSum tensors from multiple GPUs. All inputs should have matching shapes, dtype, and layout. The output tensor will be of the same shape, dtype, and layout. Args: inputs (Iterable[Tensor]): an iterable of tensors to add. destination (int, optional): a device on which the output will be placed (default: current device). Returns: A tensor containing an elementwise sum of all inputs, placed on the :attr:`destination` device. T)optionalrNcpuz7reduce_add expects all inputs to be on GPUs, but input z is on CPUxc38# UHn[U5v M g7fNstr.0rs r reduce_add..`s6:a3q66:c38# UHn[U5v M g7fr!r"r$s rr&r'as; 1A r(zinput z has invalid size: got z, but expected zLreduce_add expects destination to be on the same GPU with one of the tensors)outputroot)device non_blocking)rsize enumerater-typeAssertionError get_devicejoin ValueErrorr lenr is_availabler empty_likereducetoadd_) inputs destination input_size root_indexiinpgotexpectedresultdestination_devicernonrootothers r reduce_addrHFs$K$?K!JJF# ::??e # I!JW  >> { *J 88: #((6388:66Cxx; ;;H23%xjQ $ Z   6{aay   !!&"45 F ; M#\\&*<*C*C*H*H+V!*6!2F!2ao1!2F#gajmm%D'4'  QR[E KK(:N O! MGs GGcUVs/sHn/PM nn/n/n[USS06Hn[SU55(a2[Xq5nURU5 URUS5 ML[XGSS9H7upU RU R(aU R 5OU 5 M9 URUSS5 M UV s/sHn [ X5PM n n [U SS06HZn U Vs/sHn[U5PM nn[X5n[UU S5Hn URU R5 M M\ [[XV55$s snfs sn fs snf)a,Sum tensors from multiple GPUs. Small tensors are first coalesced into a buffer to reduce the number of synchronizations. Args: inputs (Iterable[Iterable[Tensor]]): iterable of iterables that contain tensors from a single device. destination (int, optional): a device on which the output will be placed (default: current device). buffer_size (int): maximum size of the buffer used for coalescing Returns: A tuple of tensors containing an elementwise sum of each group of inputs, placed on the ``destination`` device. strictTc38# UHoRv M g7fr!) is_sparse)r%rs rr&'reduce_add_coalesced..s3Nq{{Nr(r)rJ) zipallrHappendrLto_denserrrdatatupler)r<r=r_ dense_tensorsr+ ref_ordertensor_at_gpusrDcollrritrschunkschunk flat_tensors flat_results rreduce_add_coalescedr_|s`&.4 4VVM 4 FIv3d3 3N3 3 3rvsU 444DH(3l,9^0GPT0Gf*7D*7ru