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When a tensor has a dynamic shape, i.e., -1, InferGlobalShape and InferLocalShape will directly times a mesh dim on this dynamic shape, getting a result like -2 (-1*2) or 0 (-1/2). This PR fix the bugs of InferGlobalShape and InferLocalShape by keeping -1 in the inferred shape.
Add nd_mesh all_to_all reshard function in PIR for MoE model.
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pkuzyc
changed the title
Dynamic shape
[AutoParallel] Handle dynamic shape in InferGlobalShape and InferLocalShape
Feb 27, 2025
…lShape (PaddlePaddle#71320)
* fix
* fix
* handle dynamic shape in PIR infer_local_shape and infer_global_shape and add PIR nd_mesh_alltoall reshard function
* fix bugs in static auto parallel
---------
Co-authored-by: zhangbo9674 <zhangbo54@baidu.com>
…lShape (PaddlePaddle#71320)
* fix
* fix
* handle dynamic shape in PIR infer_local_shape and infer_global_shape and add PIR nd_mesh_alltoall reshard function
* fix bugs in static auto parallel
---------
Co-authored-by: zhangbo9674 <zhangbo54@baidu.com>
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PR Category
Auto Parallel
PR Types
Bug fixes
Description
Pcard-76459