Don't set $TPU_LIBRARY_PATH during import #5698
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I am a bit confuse after this pr, what will happen if user still set |
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We'll still take Internally, we can use |
JackCaoG
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Oct 11, 2023
vanbasten23
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Oct 12, 2023
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| We load libtpu.so in the following order of precedence: | ||
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| 1. User-set $TPU_LIBRARY_PATH | ||
| 2. libtpu.so included in torch_xla/lib | ||
| 3. libtpu-nightly pip package | ||
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| Sets $PTXLA_TPU_LIBRARY_PATH if path is inferred by us to prevent conflicts | ||
| with other frameworks. This env var will be removed in a future version. |
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I wonder under what condition can we remove this env var.
zpcore
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* Don't set $TPU_LIBRARY_PATH during import * remove chekck for new env var so people don't use it
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This PR regress the profiler. I cannot take multi-host profilers after this change. I'm going to revert it. |
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This reverts commit 146f2a0.
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* Don't set $TPU_LIBRARY_PATH during import * remove chekck for new env var so people don't use it
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* Don't set $TPU_LIBRARY_PATH during import * remove chekck for new env var so people don't use it
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…torch#5731) This reverts commit 146f2a0.
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* Don't set $TPU_LIBRARY_PATH during import * remove chekck for new env var so people don't use it
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…torch#5731) This reverts commit 146f2a0.
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* Don't set $TPU_LIBRARY_PATH during import * remove chekck for new env var so people don't use it
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JAX and PyTorch/XLA are both overriding
$TPU_LIBRARY_PATHduring import, leading to confusing issues that depend on import order, e.g. #5625get_library_pathfunction to get that path from the libtpu package.$TPU_LIBRARY_PATHas an override for compatibilityCorresponding fix in JAX: jax-ml/jax@b81a3e1
The issue will be resolved when both JAX and PyTorch/XLA release new packages that include these two changes.
$PTXLA_TPU_LIBRARY_PATHis a temporary hack. I expect we'll have a better way to get the PJRT Plugin path in the near future.cc @jyingl3