Libmklccgdll 2021 | _best_

// Matrix-vector product: y = A*x cblas_dgemv(CblasColMajor, CblasNoTrans, N, N, 1.0, A, N, x, 1, 0.0, y, 1);

Users of Anaconda or Miniconda often encounter this. If you attempt to install an older version of numpy or scipy that was linked against MKL 2019/2020 on a system that has updated MKL libraries, the mismatch causes the import to fail. libmklccgdll 2021

Use Dependency Walker or dumpbin /exports libmklccg.dll to inspect the symbols. libmklccgdll 2021