| commit | b1e271c89cedf3e715a0292efd5ceed900f0e92b | [log] [tgz] |
|---|---|---|
| author | Nicolas Vasilache <ntv@google.com> | Fri Sep 20 09:25:52 2019 -0700 |
| committer | TensorFlower Gardener <gardener@tensorflow.org> | Fri Sep 20 09:47:35 2019 -0700 |
| tree | 542d6d02aa243f6bb4e07a20b2be94d1ea8fea02 | |
| parent | dfed968d9dca14a0ca201f383ad67def2a3571d3 [diff] |
Add utility to extract strides from layout map in MemRefType. The RFC for unifying Linalg and Affine compilation passes into an end-to-end flow discusses the notion of a strided MemRef (https://groups.google.com/a/tensorflow.org/forum/#!topic/mlir/MaL8m2nXuio). This CL adds helper functions to extract strides from the layout map which in turn will allow converting between a strided form of the type and a layout map. For now strides are only computed on a single affine map with a single result (i.e. the closed subset of linearization maps that are compatible with striding semantics). This restriction will be reevaluated / lifted in the future based on concrete use cases. PiperOrigin-RevId: 270284686
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