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Run Cache: Automatic Log of Stage Runs

Every time you run a pipeline with DVC, it logs the unique signature of each stage run (in .dvc/cache/runs). If it never happened before, its command(s) are executed normally. Every subsequent time a stage

✅ This built-in feature is called run cache and it can dramatically improve performance. It's enabled out-of-the-box (can be disabled), which means DVC is already saving all of your tests and experiment results behind the scene.

If an output of a stage has cache: false, the run cache will be deactivated for that stage.

The run cache is also enabled when you use dvc exp run (see DVC Experiments).

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