[doc][train] Update scaling config documentation in Ray Train for TPUs#62584
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This pull request renames the "Using GPUs" guide to "Configuring scale and accelerators" and adds documentation for TPU support in Ray Train. It updates references in build files, tutorials, and user guides. Feedback includes suggestions to use more idiomatic phrasing and clarify resource allocation descriptions in the documentation.
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Renaming this is a problem if there are any existing references to the old URL (e.g. on external websites). Can you work with @dstrodtman to make sure the redirect is set up properly on readthedocs?
matthewdeng
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Signed-off-by: Lehui Liu <lehui@anyscale.com>
Signed-off-by: Lehui Liu <lehui@anyscale.com>
Signed-off-by: Lehui Liu <lehui@anyscale.com>
Signed-off-by: Lehui Liu <lehui@anyscale.com>
Lucas61000
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May 15, 2026
ray-project#62584) ## Description Improve the TPU section of the Ray Train scaling/accelerators user guide: - Clarify that `topology` and `accelerator_type` are required for all `use_tpu=True` usage. - Document multi-slice TPU support: `num_workers` can be a multiple of the VM count to launch multiple slices - List all valid TPU accelerator types: TPU-V2, TPU-V3, TPU-V4, TPU-V5P, TPU-V5LITEPOD, TPU-V6E, TPU-V7X ## Additional information created a redirect: <img width="1524" height="158" alt="image" src="https://github.com/user-attachments/assets/7bb7b631-4670-4e31-a590-6b60e6183cb5" /> `make develop` && `make local` <img width="1882" height="1386" alt="e70ba6d8873321e9ab649873d043f696" src="https://github.com/user-attachments/assets/f2a68d70-4ed2-450f-9905-51f6bae0d69d" /> <img width="1936" height="1528" alt="cdc7bc8a93f060acf275a03d453c454c" src="https://github.com/user-attachments/assets/3342437d-bc57-498f-8896-ed7333f34138" /> <img width="1894" height="906" alt="35918821801237cbbef0bee411793017" src="https://github.com/user-attachments/assets/adb35fb7-df97-4f25-b575-2984602c760e" /> <img width="1816" height="984" alt="2aafc2ba7313a4b1517a65ef9426aa64" src="https://github.com/user-attachments/assets/b6aa49f5-42e0-4ac8-94e4-e3139076709a" /> <img width="1808" height="1556" alt="2f4f793892da067df8736188f2305853" src="https://github.com/user-attachments/assets/65b1a0f3-5dd5-4164-8646-33c05a3397e9" /> <img width="1830" height="840" alt="4a4445a76f39151adc293d4cdf9f10a7" src="https://github.com/user-attachments/assets/ac1e0ab7-7197-43d0-8cc1-8b52ad1ab20a" /> --------- Signed-off-by: Lehui Liu <lehui@anyscale.com>
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Description
Improve the TPU section of the Ray Train scaling/accelerators user guide:
topologyandaccelerator_typeare required for alluse_tpu=Trueusage.num_workerscan be a multiple of the VM count to launch multiple slicesAdditional information
created a redirect:
make develop&&make local