[Executorch] Add multithreading for op_quantize #19027
| Job | Run time |
|---|---|
| 7m 23s | |
| 7m 53s | |
| 7m 12s | |
| 7m 18s | |
| 8m 11s | |
| 5m 38s | |
| 14m 1s | |
| 18m 53s | |
| 6m 6s | |
| 7m 4s | |
| 6m 20s | |
| 6m 51s | |
| 6m 57s | |
| 6m 22s | |
| 7m 15s | |
| 2h 3m 24s |
| Job | Run time |
|---|---|
| 7m 23s | |
| 7m 53s | |
| 7m 12s | |
| 7m 18s | |
| 8m 11s | |
| 5m 38s | |
| 14m 1s | |
| 18m 53s | |
| 6m 6s | |
| 7m 4s | |
| 6m 20s | |
| 6m 51s | |
| 6m 57s | |
| 6m 22s | |
| 7m 15s | |
| 2h 3m 24s |