AscendIndexSQ
API Definition |
AscendIndexSQ(const faiss::IndexScalarQuantizer* index, AscendIndexSQConfig config = AscendIndexSQConfig()) |
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Function |
Constructor of AscendIndexSQ, which is used to create a retrieval index on the Ascend based on an existing index. |
Input |
const faiss::IndexScalarQuantizer* index: resource configuration on the CPU. AscendIndexSQConfig config: resource configuration on the NPU. |
Output |
N/A |
Return Value |
N/A |
Restrictions |
The index must be a valid CPUindex pointer. The value range of the index dimension (the value range of the d parameter) is {64, 128, 256, 384, 512}. The number of base libraries cannot exceed 1e9. The value range of metric_type is {faiss::MetricType::METRIC_L2, faiss::MetricType::METRIC_INNER_PRODUCT}. The sq.qtype parameter supports only ScalarQuantizer::QuantizerType::QT_8bit. |