Load correct libtpu for pytorch & jax. #1166
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It turns out jax & pytorch are incompatible (require different libtpu versions). In order to support importing EITHER of them (but not both) we will swap in the correct libtpu during import (by monkey-patching the import code for both). http://b/213335159
rosbo
approved these changes
May 26, 2022
| sed -i "1s/^/from jax._src.cloud_tpu_init import cloud_tpu_init\ncloud_tpu_init()\n/" /opt/conda/lib/python3.7/site-packages/tensorflow/__init__.py | ||
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| # Set these env vars so that they don't produce errs calling the metadata server to load them: | ||
| ENV TPU_ACCELERATOR_TYPE=v3-8 |
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Should the session manager set these instead?
This image could eventually be used on TPU v4 or TPU v3 pods (e.g. v3-XYZ).
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I'll stick them in the session-manager as well (which will override the image defaults), but having the defaults helped me release the image quicker.
I doubt we'll be jumping TPU arch's anytime soon though, but I agree with the idea.
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It turns out jax & pytorch are incompatible (require different libtpu
versions). In order to support importing EITHER of them (but not both)
we will swap in the correct libtpu during import (by monkey-patching the
import code for both).
http://b/213335159