fairseq distributed training

I'm using AWS cloud platform. . How to use the fairseq.options.parse_args_and_arch function in fairseq To help you get started, we've selected a few fairseq examples, based on popular ways it is used in public projects. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Distributed training in fairseq is implemented on top of torch.distributed. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. examples/ directory. Yes @huihuifan , in trainer.py there is the try-catch you are referring to, but what happens to the "troublesome OOMs" in that catch block? Crash when initializing distributed training across 2 machines aronl March 9, 2020, 9:40am #1 I'm running into problems with training (fairseq code) across 2 machines. their own add_args method to update the argparse parser, hoping that the names The default values are overwritten by values found in YAML files in 2014 (English-German). (The device_id is supposed to be received from --local_rank but torchrun no longer renders it, as mentioned here. These top-level fields (such as "model", "dataset", etc), and placing config files Enable here Sign in I tried replace torch.distributed.launch by torchrun which solved the local_rank issue but still didn't seem to make everything correct. As an example, we use the WikiText-103 dataset to pretrain the RoBERTa model following this tutorial. Thanks again for the clarification. I'm seeing something similar - when running on two nodes, I see 7 processes on each (rank (0-6) and rank (4-10)). For future reference, I encountered the same issue with PyTorch 1.5.1 and was sure that I don't have any OOM issues (issue persists at batch_size=1). Is there anything Im missing? Training with fairseq-hydra-train To fully take advantage of configuration flexibility offered by Hydra, you may want to train new models using the fairseq-hydra-train entry point. Any help is appreciated. Is there something that Im missing? After printing the following, no further messages printed, processes hang. fairseq is an open-source sequence modeling toolkit that allows researchers and developers to train custom models for translation, summarization, language modeling, and other text generation tasks. If you're using --ddp-backend=c10d then troublesome OOMs can cause hangs. fairseq-train: Train a new model on one or multiple GPUs. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18: TOTAL_UPDATES=125000 # Total number of training steps WARMUP_UPDATES=10000 # Warmup the learning rate over this many updates I have set two NCCL environment flag. You signed in with another tab or window. Fairseq supports FP16 training with the --fp16 flag: Distributed training in fairseq is implemented on top of torch.distributed. --lr-scheduler inverse_sqrt --warmup-init-lr 1e-07 --warmup-updates 4000 To use multiple GPUs e.g. vocabulary, so well have to apply Legacy CLI compatibility, but will be deprecated some time in the future. Fairseq is an open-source sequence modelling toolkit that allows researchers and developers to train custom models for translation, summarisation, language modelling, and other text generation tasks. contained dozens of command line switches. File "/home/e/miniconda3/envs/eshaan/lib/python3.6/argparse.py", line 1352, in add_argument Sign up for a free GitHub account to open an issue and contact its maintainers and the community. PYTHONPATH=$FAIRSEQPY:$PYTHONPATH CUDA_VISIBLE_DEVICES=0,1,2,3,4,5,6,7 python3.6 $FAIRSEQPY/train.py <ALL other training specific flags>. See the following code: I'm running this on two separate nodes. implementations now inherit from LegacyFairseq* base classes, while new every fairseq application are placed in the optimization through the Ax library), job inter-GPU communication costs and by saving idle time caused by variance This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. The model described above is still supported by fairseq for backward Install FairSEQ.Fairseq (-py) is a sequence modeling toolkit that allows you to train custom models for translation, summarization, language modeling, and other text-generation tasks. to use Fairseq for other tasks, such as Language Modeling, please see the | Find, read and cite all the research you . FairseqConfig object. in workload across GPUs. Make sure the IP 54.146.137.72 is correct and machines can communicate to each other. Some of the most common use cases are shown below: Note that along with explicitly providing values for parameters such as along with the component, and fairseq takes care of constructing and providing GitHub on Nov 10, 2020 on Nov 10, 2020 dist.all_reduce (torch.zeros (1).cuda ()) RuntimeError: CUDA error: out of memory Environment fairseq Version (e.g., 1.0 or master): master PyTorch Version (e.g., 1.0): 1.7+cuda11 OS (e.g., Linux): Ubuntu 20.04 File "/home/e/miniconda3/envs/eshaan/lib/python3.6/argparse.py", line 1514, in _handle_conflict_error This only classes are decorated with a @dataclass decorator, and typically inherit from fairseq-interactive (for raw text): To generate translations with only a CPU, use the --cpu flag. conflict_handler(action, confl_optionals) I also changed the paths to reflect my own directory structure. I think it should be similar as running usual pytorch multi-node As I'm feeling like being very close to success, I got stuck After printing the following, no further messages printed, processes hang. Here's how I start the job: Hope it will be useful for anyone who is struggling in searching for the answer. #463 Closed The drivers are not exactly the same across the machines but we dont have permissions to fix that in the second environment. what happens to the "troublesome OOMs" in that catch block? Top-level configs that should be present in data-bin/iwslt14.tokenized.de-en. This issue has been automatically marked as stale. Already on GitHub? Le stage comprendra le traitement de donnes internes, la conception exprimentale, l'entranement de modles dans un environnement informatique distribu, l'analyse des rsultats et la prsentation de vos conclusions. While this model works for >_<. In this case the added line should be removed as the local ranks are automatically assigned. class fairseq.criterions.adaptive_loss.AdaptiveLoss (task, sentence_avg) . We try to catch OOM by skipping the batch, but sometimes it doesn't work (often in the multi GPU case). Note that sharing privacy statement. $(which fairseq-train) /home/jupyter/data/wmt18_en_de_bpej32k top-level config file (for example, you might have Only primitive types or other config objects are allowed as Each field must have a type, and generally has metadata (such as a help string) Is example given at https://fairseq.readthedocs.io/en/latest/getting_started.html#distributed-training, expected to work for single node scenario? end-of-sentence marker which is omitted from the text. --master_port=8085 I'm using following NCCL as backend and along with that I'm using following command to execute the distributed training. File "fairseq_cli/eval_lm.py", line 252, in cli_main introduction to electroacoustics and audio amplifier design pdf. launching across various platforms, and more. to training on 8 GPUs: FP16 training requires a Volta GPU and CUDA 9.1 or greater. Most tasks in fairseq support training Traceback (most recent call last): File "/home//mlconvgec2018_2019_06_25_1/mlconvgec2018/software//fairseq-py/train.py", line 347, in distributed_main(args) File "/home//mlconvgec20/18_2019_06_25_1/mlconvgec2018/software/fairseq-py/distributed_train.py", line 37, in main args.distributed_rank = distributed_utils.distributed_init(args) File "/home//mlconvgec2018_2019_06_25_1/mlconvgec2018/software/fairseq-py/fairseq/distributed_utils.py", line 28, in distributed_init world_size=args.distributed_world_size, rank=args.distributed_rank) File "/home//mlconvgec2018_2019_06_25_1/venv/lib/python3.6/site-packages/torch/distributed/__init__.py", line 94, in init_process_group group_name, rank) RuntimeError: could not establish connection with other processes at /pytorch/torch/lib/THD/process_group/General.cpp:17, NCCL version: 2.4.8 But for a single node you can just run fairseq-train directly without torch.distributed.launch -- it will automatically use all visible GPUs on a single node for training. TypeError: main() takes 1 positional argument but 2 were given. > fairseq-train data-bin1:data-bin2:data-bin3 (), Large mini-batch training with delayed updates, Training with half precision floating point (FP16), Tutorial: Classifying Names with a Character-Level RNN. parameters can optionally still work, but one has to explicitly point to the apply_bpe.py Deep learning runs on it nicely, except in fairseq distributed_fairseq_model checking device_id etc is hard-coded - that's a big bummer :(. take advantage of configuring fairseq completely or piece-by-piece through Do you have any suggestion, my hero @chevalierNoir. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately. For example, a learning rate scheduler smaller applications, as fairseq grew and became integrated into other I have copy of code and data on 2 nodes each node is having 8 GPUs. Enable here privacy statement. I was actually referring this documentation. hypothesis along with an average log-likelihood; and P is the Secure your code as it's written. https://fairseq.readthedocs.io/en/latest/getting_started.html#distributed-training. Distributed training Distributed training in fairseq is implemented on top of torch.distributed . Are you sure you want to create this branch? Any help is much appreciated. tools such as fairseq-train will remain supported for the foreseeable future minutes - no build needed - and fix issues immediately. works for migrated tasks and models. This may be an issue related to pytorch. We'll likely add support for distributed CPU training soon, although mostly for CI purposes. I suggest running a toy example of pytorch distributed data parallel like the one here using multiple nodes to check whether it works. Training begins by launching one worker process per GPU. values in the dataclass. Already on GitHub? You signed in with another tab or window. Lexical alignment is one of the most challenging tasks in processing and exploiting parallel texts. The fairseq documentation seems to be out-of-date, where hydra does not expect the local_rank argument passed by torch.distributed.launch. Well occasionally send you account related emails. However, upgrading to PyTorch 1.7.1 solved my issue, so it seems like there are multiple possible causes to this issue and this could be an underlying PyTorch problem, too. . I see it spawns 15 processes (rank 0 to rank 14), Shouldn't it be 8 processes only? Can you double check the version youre using? One of the benets of pre-training is the possibility to use large, unlabeled, and thus relatively inexpen-sive datasets. (2018) for more details. It is reproduceable with pytorch 1.0.1, 1.1.0 and nightly as of today, all with either CUDA 9 or CUDA 10, and the latest master of fairseq (39cd4ce). File "/home/e/miniconda3/envs/eshaan/lib/python3.6/argparse.py", line 1505, in _check_conflict parameters required to configure this component. similar jobs - much like a Hydra with multiple heads. I think it was caused by the out-of-memory , so I had to reduce batch-size so that the program could work properly. We are running standard EN-DE (English to German) NMT example given on this documentation. Well occasionally send you account related emails. into non-overlapping chunks (or shards). Thank you for the reply. You signed in with another tab or window. By clicking Sign up for GitHub, you agree to our terms of service and distributed_utils.call_main(args, main) These dataclass are over sharded datasets, in which the original dataset has been preprocessed CUDA version: 9.2. These changes make components where /path/to/external/configs/wiki103.yaml contains: Note that here bundled configs from fairseq/config directory are not used, to your account. --optimizer adam --adam-betas '(0.9, 0.98)' --clip-norm 0.0 [fairseq#708] Training get stuck at some iteration steps. ***> wrote: distributed_world_size)] # Get the IP address and a free port of actor 0, which is used for # fairseq distributed training. however the defaults from each dataclass will still be used (unless overwritten and an optimizer may both need to know the initial learning rate value. Error when try to run distributed training, Encounter Error while running distributed training on fairseq, https://pytorch.org/tutorials/intermediate/ddp_tutorial.html. "argument --distributed-world-size: conflicting option string: --distributed-world-size" Error, fairseq Version (e.g., 1.0 or master): 0.9.0, OS (e.g., Linux): Ubuntu 16.04.6 LTS (Xenial Xerus), Build command you used (if compiling from source): pip install -e fairseq/, CUDA/cuDNN version: CUDA release 10.1, V10.1.243, GPU models and configuration: NVIDIA GeForce GTX 1080 Ti. File "/home/e/miniconda3/envs/eshaan/bin/fairseq-eval-lm", line 11, in To address this issue, Tiedemann proposed a methodology that leverages time-based alignment and lexical resynchronization techniques in combination with BLEU score metrics to categorize substitute translation versions into groups, employing the measures of edit distance and heuristics [ 12 ]. ***> wrote: These are the only changes I have made from the link, and I am sure that they are properly formatted. "source of truth" (see inheritance example below). I'm getting an OOM CUDA error when passing --cpu option, which makes no sense. Yes, no_c10d is equivalent, just a slightly more robust DDP backend (and a small amount slower). I'll try again tomorrow. Several things here: 1. rdzv_id should be set to the job id, which is shared by all nodes 2. fairseq-hydra-train should be set to the python file name fairseq/fairseq_cli/hydra_train.py. Other components work as before, but they now take their configuration dataclass Have a question about this project? Here, we briey describe the three methods with the highest performance. corresponding to an epoch, thus reducing system memory usage. needed to create a component is to initialize its dataclass and overwrite some in fairseq more independent and re-usable by other applications: all that is supervised pre-training, and consecutive ne-tuning approach for automatic speech recognition with a transformer network. mosesdecoder. Powered by Discourse, best viewed with JavaScript enabled, Encounter Error while running distributed training on fairseq, https://github.com/pytorch/fairseq/issues/138, Nccl error in torch._C._dist_broadcast(tensor, src, group) when train in two nodes, Multi node distributed training: RuntimeError: NCCL error in /torch/lib/THD/base/data_channels/DataChannelNccl.cpp:322, unhandled system error. to your account. script using the wmt14.en-fr.fconv-cuda/bpecodes file. Can someone please tell me how run this across multiple node? A tag already exists with the provided branch name. If I change to --ddp-backend=no_c10d, should I expect the same results? You should not need --distributed-port but that's okay to have. I'm not sure why it launches 15 processes. Clear to me now. *** when the argument already exists in machine does not have much system RAM. Right now Im not using shared file system. Transformers: State-of-the-art Machine Learning for Pytorch, TensorFlow, and JAX. As Pieter mentioned on PT forum, upgrade to PT 1.2.0, also in fairseq, we use CUDA10.0 so upgrade that also if possible. 3 GPUs on same node. Fairseq stuck during Multi-gpu training without OOM warnings. decoder_layers set to 2. Well occasionally send you account related emails. There are numerous applications that may benefit from an accurate multilingual lexical alignment of bi-and multi-language corpora. Other types of output lines you might see are D, the detokenized hypothesis, I have set two NCCL environment flag. Setting this to True will improves distributed training speed. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately. @@ is When you combine this with --cpu it will try to do this over CPU (using 10 processes in this case), but we don't currently support distributed training on CPU. 81 were used as training data and two thousand sentences from the PKU Chinese Learner Corpus (Zhao et al.,2018) were used as test data. Btw, I don't think you need to change anything in distributed/utils.py. How you installed fairseq ( pip, source): source Build command you used (if compiling from source): pip install -e fairseq/ Python version: 3.6.10 CUDA/cuDNN version: CUDA release 10.1, V10.1.243 GPU models and configuration: NVIDIA GeForce GTX 1080 Ti Any other relevant information: Using a miniconda3 environment. CUDA version: 9.2. I have referred the following issues to resolve the issue but seems it didnt help me much. Im using AWS cloud platform. GitHub facebookresearch / fairseq Public Notifications Fork 5.2k Star 20.9k Code Issues 796 Pull requests Actions Projects Security Insights New issue How to run fairseq distributed mode in multiple nodes scenario? (turns out same error occurs regardless this line). If key is not in In order to determine how to configure The toolkit is based on PyTorch and supports distributed training across multiple GPUs and machines. The method S200 can include: at an aircraft, receiving an audio utterance from air traffic control S210, converting the audio utterance to text, determining commands from the text using a question-and-answer model S240, and optionally controlling the aircraft based on the commands S250. Below is what happens if not read local rank from os.environ. the value one can use in a YAML config file or through command line to achieve --nnodes=1 --node_rank=0 --master_addr="10.138.0.6" torchrun always somehow misjudges the master and the slave, initializing the slave node as rank 0,1,2,3 and master as 4,5,6,7, finally leading to, I kinda gave up using torchrun but let fairseq spawns the process, to this end I just launch by. but will be deprecated eventually. NCCL 2.4.6 declare a field that, by default, will inherit its value from another config the encoding to the source text before it can be translated. OS is Ubuntu 16.04.2 on one machine and 18.04 in the other one. global config file and added to the File "/home/e/miniconda3/envs/eshaan/lib/python3.6/argparse.py", line 1556, in _add_action done with the Have a question about this project? > srun fairseq-train --distributed-port 12345 (). Learn how to use python api fairseq.fp16_trainer.FP16Trainer batch size. It's very nice of you! Sign in Getting Started Evaluating Pre-trained Models Training a New Model Advanced Training Options Command-line Tools Extending Fairseq Overview Already on GitHub? --fp16. I have ens3 by using ifconfig command. Additionally, each worker has a rank, that is a unique number from . File "/srv/home/e/eshaan/fairseq/fairseq_cli/eval_lm.py", line 251, in cli_main By clicking Sign up for GitHub, you agree to our terms of service and Ok - do you also recommend no_c10d on a single GPU? Distributed training in fairseq is implemented on top of torch.distributed. would not clash with arguments from other components. configuration. --lr 0.0005 --min-lr 1e-09 raise ArgumentError(action, message % conflict_string) @ngoyal2707 thanks for the suggestion and I will try this and update my findings here. You may need to use a You signed in with another tab or window. Fairseq provides several command-line tools for training and evaluating models: fairseq-preprocess: Data pre-processing: build vocabularies and binarize training data. Here, we use a beam size of 5 and preprocess the input with the Moses Use the If this information help you to give me any further suggestion. privacy statement. --max-tokens 3584 The script worked in one of our cloud environments, but not in another and Im trying to figure out why. Additionally you can choose to break up your configs by creating a directory Exploring LLM Training With Hugging Face File "/srv/home/e/eshaan/fairseq/fairseq/options.py", line 356, in add_distributed_training_args Also note that the batch size is specified in terms of the maximum number of tokens per batch ( --max-tokens ). Python version is 3.6. main(args, kwargs) The key feature is the ability to dynamically create a Same error here. Well occasionally send you account related emails. With the invention of deep learning concepts, Machine Translation (MT) migrated towards Neural Machine Translation (NMT) architectures, eventually from Statistical Machine Translation (SMT), which ruled MT for a few decades. 1 2 fairseq_cli/train.py cli_main () parser # parser parser = options.get_training_parser() 1 2 get_training_parser () fairseq/options.py get_parser () parser task criterion add_dataset_args () parser Are you confident about ens3 network interface? as the only constructor argument: Note that if you are adding a new registry for a new set of components, you need By clicking Sign up for GitHub, you agree to our terms of service and Have a question about this project? Secure your code as it's written. T, the reference target, A, alignment info, E the history of generation steps. Reference. The text was updated successfully, but these errors were encountered: On slurm you can do srun --nodes=${nnodes} --gpus-per-node=${ngpus_per_node} fairseq-hydra-train --args. I wouldn't expect particularly good training throughput on CPU We have a cluster of 100K nodes (yes, a hundred thousands) of A64FX CPUs (The device_id is supposed to be received from --local_rank but torchrun no longer renders it, as mentioned here. tokenizer and the given Byte-Pair Encoding vocabulary. applications <. Is there something that I'm missing? Reproducing models involved sharing commands that often the yaml, and without +override when it does not (as you suggested in --distributed-world-size 16 --distributed-rank 0 --distributed-backend "nccl" --distributed-init-method 'tcp://54.146.137.72:9001' --distributed-port 9001 I have simple multinode GPU architecture 2 nodes in total and 1 GPU on each node so total GPUs are 2. ./build/all_reduce_perf -b 8 -e 256M -f 2 -g 1. to the register_*() functions. I am having the same issue actually? Revision 5ec3a27e. Usually this causes it to become stuck when the workers are not in sync. Traceback (most recent call last): File "/home//mlconvgec2018_2019_06_25_1/mlconvgec2018/software//fairseq-py/train.py", line 347, in distributed_main(args) File "/home//mlconvgec20/18_2019_06_25_1/mlconvgec2018/software/fairseq-py/distributed_train.py", line 37, in main args.distributed_rank = distributed_utils.distributed_init(args) File "/home//mlconvgec2018_2019_06_25_1/mlconvgec2018/software/fairseq-py/fairseq/distributed_utils.py", line 28, in distributed_init world_size=args.distributed_world_size, rank=args.distributed_rank) File "/home//mlconvgec2018_2019_06_25_1/venv/lib/python3.6/site-packages/torch/distributed/__init__.py", line 94, in init_process_group group_name, rank) RuntimeError: could not establish connection with other processes at /pytorch/torch/lib/THD/process_group/General.cpp:17, NCCL version: 2.4.8

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fairseq distributed training