copyFrom

void copyFrom(const faiss::IndexIVFScalarQuantizer *index)

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

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

N/A

N/A

The index must be a valid CPUindex pointer.

• index->d ∈ {64, 128, 256, 384, 512, 1024}
• index->sq.d ∈ {32, 64, 96, 128}
• The dimension of index must be greater than that of index->sq and can be divided by the index->sq dimension.