tree 2db28dd621af74f4426e2802978581ac5e0974cd
parent fc42bd38ace7a77a8978db7e9aba1d28e6649d56
author Berkin Ilbeyi <berkin@google.com> 1572473916 -0700
committer TensorFlower Gardener <gardener@tensorflow.org> 1572474172 -0700

[XLA] Use cost analysis to order buffers to be assigned in mem space assmt

Using cost analysis, we can estimate the "memory boundedness" of an HLO
instruction and prioritize those that will benefit the most of being placed in
alternate (fast) memory space.

PiperOrigin-RevId: 277595877
Change-Id: I78d186e518195c73edfb7e56fad805ac5bbdbb56