copyFrom

void copyFrom(const faiss::IndexIVF* index);

Copies AscendIndexIVF to the Ascend based on an existing index and retains the resource configuration on the device of the original AscendIndex.

const faiss::IndexIVF* index: index resources on the CPU.

N/A

N/A

• index must be a valid CPU Index pointer.
• The value of probe of index must be greater than 0 and less than or equal to nlist.