sf validate

Validate an experiment config

sf validate my-grpo

Checks the experiment’s config against its method declaration — types, ranges, batch-size divisibility, and whether every key you set actually exists. Runs entirely on your machine and touches no cluster.

Run it before every submit. A typo caught here costs four seconds; the same typo caught after dispatch costs a queue wait and an allocation.

✓ experiments/my-grpo/config.yaml
✓ 34 parameters checked against nemo-rl/grpo@0.7.0

sf submit runs this automatically unless you pass --no-validate.

sf validate

Validate an experiment config

sf validate <EXP>

Argument	Description
EXP	Experiment name or path (required)

No options beyond --help.