Add web endpoint to the inference server #38
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erikbern
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I think the run_name change makes sense even just on its own but can we update the readme too? |
mwaskom
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Mar 12, 2024
src/inference.py
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| config = yaml.safe_load(f.read()) | ||
| model_path = (Path(run_folder) / config["output_dir"] / "merged").resolve() | ||
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| def __init__(self, run_name: str = "", model_dir: str = "/runs") -> None: |
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model_dir is a little confusing since the two things we store in volumes are (1) pretrained models and (2) finetuned models. They’re all models :)
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but everything under /runs is finetuned models right?
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Arguably not since there’s config, training logs, metrics, etc. but it’s a pretty nitpicky point either way
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ok i'll rename it to run_dir
mwaskom
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Mar 12, 2024
src/inference.py
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| run_name = VOLUME_CONFIG[self.model_dir].listdir("/")[-1].path | ||
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| # Grab the output dir (usually "lora-out") | ||
| with open(f"/runs/{run_name}/config.yml") as f: |
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Looks like we have /runs hardcoded here even though it’s a parameter?
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This lets you do
modal serve src.inferencein one window, and
curl 'https://modal-labs--example-axolotl-inference-web-dev.modal.run?input=what+time+is+it'in another windowit streams!
Note that most of the complexity here is that we want to support an unparametrized class constructor, so we need to pick the run id automatically. In order to do that it was slightly easier to change the argument to be
run_namerather than the full path. Ifrun_nameisn't provided (which it never is in the case of web endpoints, since we don't support parametrized functions with web endpoints), then it just picks the last run by doing a directory listing.