Delete jax/tools/colab_tpu.py #22401
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Why? TPU Node architecture runtimes have been removed from Colab. This can now be fully removed.
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Thanks for this! Just to confirm, the V1 TPU runtimes are gone for good from Colab now? |
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Actually, on further reflection, I think it's premature to remove All that function does right now is raise an informative error; removing it will make it raise a less informative error. There's little to no downside to keeping it around for a few more releases while the Colab TPU change percolates. What do you think? |
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Yep, it's gone forever. And I don't have any objection to leaving this in. Up to you when you want to delete it. |
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Why? TPU Node architecture TPU runtimes have been removed from Colab.
setup_tpuonly makes sense for very old versions of JAX on TPU Node architecture runtimes. In recent times, this function has only existed for the sake of warning people away from using this function on TPU VMs when it's unnecessary. Now that we're 100% on TPU VMs, we can just remove this. If folks have ancient TPU Node notebooks, they'll get an import error once this is removed, which seems fine to me, because 1. people have had quite some time to migrate over to TPU VM backends and 2. the vast majority of the existing notebooks have been migrated over to TPU VMs, so the impact should be low. Let me know if you have any objections.