feat: add C ndarray API and refactor blas/ext/base/dnannsumkbn2
#3999
| Job | Run time |
|---|---|
| 4s | |
| 4s |
ndarray API and refactor blas/ext/base/dnannsumkbn2
#3999
| Job | Run time |
|---|---|
| 4s | |
| 4s |