Fix repo

Fix repo

[r1.8] Fix 1VM PyTorch/XLA profiler test (pytorch#2805)

Add version selection snippet for r1.7 (pytorch#2577)

* Add version selection snippet for r1.7

* VSCode artifact ignore

Cherrypick fix for DLRM real dataset crash (pytorch#2409)

Co-authored-by: Davide Libenzi <[email protected]>

[r1.5] Cherrypick torch_xla/csrc/elementwise.cpp from (pytorch#1826)

pytorch@4d454fc