DO NOT SUBMIT: WIP: Try to use monarch to run torchtitan. #1286
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Repro:
GROUP_WORLD_SIZE=1 WORLD_SIZE=2 python -m torchtitan.train_monarch \
--job.config_file \
./torchtitan/models/llama3/train_configs/llama3_8b.toml
Currently there is an error:
KeyError: "Invalid mesh_dim_names ('dp_cp',) specified. Valid mesh_dim_names are ['dp_shard']."
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Repro:
This can run torchtitan for 10 steps or so before my GPUs OOM