[JIT] SubgraphUtils: add a function for generating a string name for a given graph. (#47253)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/47253
The function simply goes over all aten nodes in the graph and
concatenates their names, truncating the final name to a given length.
Differential Revision: D24698272
Test Plan: Imported from OSS
Reviewed By: bertmaher
Pulled By: ZolotukhinM
fbshipit-source-id: d6e50194ca5faf0cb61f25af83247b5e40f202e4
Author
Mikhail Zolotukhin
