[functools] Use ParamSpec for single dispatch #14989
| Job | Run time |
|---|---|
| 43s | |
| 1m 10s | |
| 1m 45s | |
| 40s | |
| 1m 2s | |
| 1m 4s | |
| 1m 53s | |
| 40s | |
| 53s | |
| 38s | |
| 1m 11s | |
| 51s | |
| 41s | |
| 1m 13s | |
| 42s | |
| 15m 6s |
| Job | Run time |
|---|---|
| 43s | |
| 1m 10s | |
| 1m 45s | |
| 40s | |
| 1m 2s | |
| 1m 4s | |
| 1m 53s | |
| 40s | |
| 53s | |
| 38s | |
| 1m 11s | |
| 51s | |
| 41s | |
| 1m 13s | |
| 42s | |
| 15m 6s |