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Fori loop simple case test test #7028
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ManfeiBai
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pytorch:fori_loop_simple_case_test_test
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Closed
Fori loop simple case test test #7028
ManfeiBai
wants to merge
53
commits into
pytorch:fori_loop_simple_case_test_test
from
ManfeiBai:fori_loop_simple_case_test_test
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Summary: This pull request integrating FlashAttention with SPMD. The way it works is to create a manual sharding region for the kernel which means we wraps all the inputs with enable_manual_sharding and all the outputs with disable_manual_sharding. Added a new test file because the original test file is not SPMD aware. Test Plan: PJRT_DEVICE=TPU python test/test_pallas_spmd.py
Add doc for fori_loop/while_loop and add simple user guide for simple test case
Co-authored-by: qihqi <[email protected]>
Summary: This PR adds a preliminary user guide for Pallas. Test Plan: Skip CI.
Summary: Clarify some caveats for using the TPU docker images in the landing page. Test Plan: Skip CI.
Summary: This PR is to add segment ids to the flash attention wrapper. The segment ids are a way to create an attention mask where each token can only attend to other tokens within the same segment. The mask is therefore a block diagonal matrix. To support it, we further split the flash attention forward into tracing and execution part, and implement all the shape operations to make it compatible with the kernel. Test Plan: PJRT_DEVICE=TPU python test/test_pallas.py
Co-authored-by: Will Cromar <[email protected]>
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