Generate: add `min_p` sampling (#30639)
* min_p
* more relaxed test to avoid numerical issues
* Update src/transformers/generation/logits_process.py
Co-authored-by: menhguin <minh1228@gmail.com>
* Update src/transformers/generation/configuration_utils.py
Co-authored-by: menhguin <minh1228@gmail.com>
* docstring clarifications
* PR comments
* Update tests/generation/test_logits_process.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
* make fixup
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Co-authored-by: menhguin <minh1228@gmail.com>
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>