lightning/docs/source-pytorch/upgrade/sections/2_0_regular.rst

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.. list-table:: reg. user 2.0
:widths: 40 40 20
:header-rows: 1
* - If
- Then
- Ref
* - used PyTorch 3.11
- upgrade to PyTorch 2.1 or higher
- `PR18691`_
* - called ``self.trainer.model.parameters()`` in ``LightningModule.configure_optimizers()`` when using FSDP
- On PyTorch 2.0+, call ``self.parameters()`` from now on
- `PR17309`_
* - used ``Trainer(accelerator="tpu", devices=[i])"`` to select the 1-based TPU core index
- the index is now 0-based
- `PR17227`_
* - used ``torch_xla < 1.13``
- upgrade to ``torch_xla >= 1.13``
- `PR17368`_
* - used ``trainer.num_val_batches`` to get the total size of all validation dataloaders
- use ``sum(trainer.num_val_batches)``
- `PR18441`_
* - used ``trainer.num_test_batches`` to get the total size of all test dataloaders
- use ``sum(trainer.num_test_batches)``
- `PR18441`_
* - used ``trainer.num_sanity_val_batches`` to get the total size of all validation dataloaders for sanity checking
- use ``sum(trainer.num_sanity_val_batches)``
- `PR18441`_
* - used ``Trainer(devices="auto")`` to auto-select all available GPUs in a Jupyter notebook
- use ``Trainer(devices=-1)``
- `PR18291`_
* - used ``Trainer(devices="auto")`` to auto-select all available GPUs in a Jupyter notebook
- use ``Trainer(devices=-1)``
- `PR18291`_
* - ``pip install lightning`` to install ``lightning.app`` dependencies
- use ``pip install lightning[app]`` if you need ``lightning.app``
- `PR18386`_
.. _pr18691: https://github.com/Lightning-AI/lightning/pull/18691
.. _pr16579: https://github.com/Lightning-AI/lightning/pull/16579
.. _pr17309: https://github.com/Lightning-AI/lightning/pull/17309
.. _pr17227: https://github.com/Lightning-AI/lightning/pull/17227
.. _pr17368: https://github.com/Lightning-AI/lightning/pull/17368
.. _pr18441: https://github.com/Lightning-AI/lightning/pull/18441
.. _pr18291: https://github.com/Lightning-AI/lightning/pull/18291
.. _pr18386: https://github.com/Lightning-AI/lightning/pull/18386