tree dc206fbef96059c5a921573a5373d67d54dac5c2
parent 9055c9d1f6342a061a6747ef9b385816b96a0a8f
author Quinn Dawkins <quinn.dawkins@gmail.com> 1736443299 -0500
committer GitHub <noreply@github.com> 1736443299 -0800
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[Flow] Fix dispatch naming for dynamic shaped fusions (#19439)

Currently all ops with dynamic shapes are assigned the same estimated
cost when naming dispatches. This means that in cases like fused
elementwise ops with matmuls, the elementwise and matmuls are assigned
the same priority and because of traversal order, the dispatch ends up
following the name of the elementwise op.

This patch hacks it by treating all dynamic shapes as moderately sized
static shapes, but in the future if we have more issues we can look at
adding some tensor size range analysis that can give us upper bounds for
the dynamic shapes.

---------

Signed-off-by: Ian Wood <ianwood2024@u.northwestern.edu>
Co-authored-by: Ian Wood <ianwood2024@u.northwestern.edu>