Struct faiss::IntersectionCriterion
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struct faiss::IntersectionCriterion : public faiss::AutoTuneCriterion
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Public Functions
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virtual double evaluate(const float *D, const idx_t *I) const override
Evaluate the criterion.
- Parameters
D – size nq * nnn
I – size nq * nnn
- Returns
the criterion, between 0 and 1. Larger is better.
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inline ~IntersectionCriterion() override
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void set_groundtruth(int gt_nnn, const float *gt_D_in, const idx_t *gt_I_in)
Intitializes the gt_D and gt_I vectors. Must be called before evaluating
- Parameters
gt_D_in – size nq * gt_nnn
gt_I_in – size nq * gt_nnn
Public Members
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idx_t R
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idx_t nq
nb of queries this criterion is evaluated on
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idx_t nnn
nb of NNs that the query should request
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idx_t gt_nnn
nb of GT NNs required to evaluate criterion
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std::vector<float> gt_D
Ground-truth distances (size nq * gt_nnn)
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std::vector<idx_t> gt_I
Ground-truth indexes (size nq * gt_nnn)
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virtual double evaluate(const float *D, const idx_t *I) const override