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mcli

Using MosaicML platform

This folder contains examples of how to use MosaicML platform to launch LLM workloads.

Full documentation on MosaicML platform can be found at https://mcli.docs.mosaicml.com/.

Using MosaicML Command Line Interface (MCLI) to launch runs

In this folder, we provide two MCLI examples, mcli-1b.yaml and mcli-1b-custom.yaml that you can use to launch training runs using our command-line tool, mcli. We also include an MCLI example, pretokenize_oci_upload.yaml which pre-tokenizes the C4 dataset and uploads it to a desired bucket in Oracle Cloud Infrastructure (OCI).

The first example, mcli-1b.yaml describe a job to train an MPT-1B model. The job simply clones this repo, checks out a particular tag, and runs the scripts/train/train.py training script. The workload config is read from a YAML in this repo: yamls/pretrain/mpt-1b.yaml.

The second example, mcli-1b-custom.yaml, shows how to inject a custom config at runtime (/mnt/config/parameters.yaml) and pass that file to the scripts/train/train.py training script. This workflow allows you to quickly customize a training run without needing to commit and push changes to the repository.

Here's how easy it is to launch an LLM training run with MCLI:

mcli run -f mcli-1b.yaml --cluster CLUSTER --gpus GPUS --name NAME --follow

All the details of multi-gpu and multi-node orchestration are handled automatically by MosaicML platform. Try it out yourself!

Using the MosaicML Python SDK to launch runs

You can also use the Python SDK to launch MosaicML platform jobs. This can be used to programatically sweep hyperparameters or orchestrate training runs within a larger pipeline.