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Fix stride computation formula used during compute estimation #42

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merged 1 commit into from
Jul 18, 2025
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Fix stride computation formula used during compute estimation #42

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7 changes: 4 additions & 3 deletions autoparallel/compute_estimation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -169,9 +169,10 @@ def _get_sharded_shape_stride(spec):
if placement.is_shard():
dim = placement.dim
new_tensor_shape[dim] = (new_tensor_shape[dim] + mesh_size - 1) // mesh_size
new_tensor_stride[dim] = (
new_tensor_stride[dim] + mesh_size - 1
) // mesh_size
if dim - 1 > 0:
new_tensor_stride[dim - 1] = (
new_tensor_stride[dim - 1] + mesh_size - 1
) // mesh_size
return new_tensor_shape, new_tensor_stride


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