[Cherry-pick] Fix PyLayer save_for_backward data release and remove shallow copy in recompute #25979
| Job | Run time |
|---|---|
| 4m 27s | |
| 6m 44s | |
| 2m 32s | |
| 4m 28s | |
| 4m 39s | |
| 3s | |
| 3s | |
| 5s | |
| 2m 21s | |
| 8m 45s | |
| 4m 7s | |
| 1s | |
| -1s | |
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| 0s | |
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| 1s | |
| 38m 14s |
| Job | Run time |
|---|---|
| 4m 27s | |
| 6m 44s | |
| 2m 32s | |
| 4m 28s | |
| 4m 39s | |
| 3s | |
| 3s | |
| 5s | |
| 2m 21s | |
| 8m 45s | |
| 4m 7s | |
| 1s | |
| -1s | |
| -1s | |
| 0s | |
| 0s | |
| 1s | |
| 38m 14s |