Aadyot Bhatnagar

Add support for exogenous regressors

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## Background This pull request begins the process of adding support for *exogenous regressors* in Merlion. Consider a multivariate time series $X^{(1)}, \ldots, X^{(t)}$, where each $X^{(i)} \in \mathbb{R}^d$ is...

I notice that there is no `pickups_barclays_center_0.003.csv` file that is used by the `barclays*/run_experiments.py` files (though you do have the equivalent file for Terminal 5). Can you add this file...

Add option to accumulate train loss over tokens.

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# What does this PR do? Adds an option to accumulate train loss over the number of tokens in a batch instead of the number of samples. # What issue(s)...

# What does this PR do? This PR fixes a bug with the `OptimizerMonitor` being used in conjunction with FSDP2. Specifically, FSDP2 causes some of the optimizer metrics to be...

** Environment ** ``` --------------------------------- System Environment Report Created: 2025-08-29 00:14:29 UTC --------------------------------- PyTorch information ------------------- PyTorch version: 2.7.0+cu128 Is debug build: False CUDA used to build PyTorch: 12.8 ROCM...

# What does this PR do? This PR fixes a bug where autoresumption fails when specifying a custom `CheckpointSaver` that saves to a remote folder. The bug occurs because when...

Incorrect autoresumption behavior with non-default CheckpointSaver

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** Environment ** ``` Collecting system information... --------------------------------- System Environment Report Created: 2025-07-16 02:03:16 UTC --------------------------------- PyTorch information ------------------- PyTorch version: 2.5.1+cu124 Is debug build: False CUDA used to build...