feat: add C implementation for stats/base/ndarray/dmeankbn2
#28312
| Job | Run time |
|---|---|
| 1m 24s | |
| 1m 24s |
stats/base/ndarray/dmeankbn2
#28312
| Job | Run time |
|---|---|
| 1m 24s | |
| 1m 24s |