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# DDP Training Diagnosis and Fix Summary ## Issue Identified: Data Encoding Mismatch in Multi-GPU Training ### Root Cause Analysis **Problem**: The HRM training system had a critical data encoding...

> Global batch size is too small, so LR is too large in this case, leading to divergence. You can try setting batch size as large as possible, then scale...

> Hi, we have finished training for over a week with a single NVIDIA RTX A6000. > > This is how we run the experiment OMP_NUM_THREADS=8 torchrun --nproc-per-node 1 pretrain.py...

# Fix for "No module named 'adam_atan2_backend'" Error ## Problem When importing `adam_atan2`, you may encounter this error: ``` ModuleNotFoundError: No module named 'adam_atan2_backend' ``` ## Root Cause This error...

This is a problem with build tools or the environment, follow the tips below. a} There are issues that can be resolved and don't require workarounds i) pip uninstall adam-atan2...

Here is a tip I can share and I'm sorry the whole thing can't be shared. We needed to gather better metrics and the evaluate() function in pretrain.py has a...