[random] change the algorithm of truncated_normal sampling method
#683
| Job | Run time |
|---|---|
| 24m 1s | |
| 29m 39s | |
| 23m 36s | |
| 29m 22s | |
| 26m 53s | |
| 30m 6s | |
| 2h 43m 37s |
truncated_normal sampling method
#683
| Job | Run time |
|---|---|
| 24m 1s | |
| 29m 39s | |
| 23m 36s | |
| 29m 22s | |
| 26m 53s | |
| 30m 6s | |
| 2h 43m 37s |