Output peak memory stats from dynamo torchbench perf CI (#95666)
Adds absolute memory usage numbers (in addition to compression ratio) to performance jobs.
Example output:
<img width="1211" alt="image" src="https://user-images.githubusercontent.com/4984825/225419950-500908c5-00ce-4711-afa2-c995bf90d35d.png">
Pull Request resolved: https://github.com/pytorch/pytorch/pull/95666
Approved by: https://github.com/ezyang, https://github.com/williamwen42
