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MB-70336 Add qb parameter support to ParameterSpace for IndexIVFRaBitQ#67

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abhinavdangeti merged 1 commit intoblevesearch:blevefrom
Nischal1729:qb-autotune
Feb 17, 2026
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MB-70336 Add qb parameter support to ParameterSpace for IndexIVFRaBitQ#67
abhinavdangeti merged 1 commit intoblevesearch:blevefrom
Nischal1729:qb-autotune

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@Nischal1729
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Allow setting the query quantization bits (qb) on IndexIVFRaBitQ through FAISS ParameterSpace. This enables the Go/CGO layer to control qb via the existing ParameterSpace wrapper without new Faiss qb API and C API bindings, and also can be used for future per request use.

  • Register qb (0-8) in ParameterSpace::initialize for auto-tuning
  • Add qb setter in set_index_parameter with dynamic_cast guard

Allow setting the query quantization bits (qb) on IndexIVFRaBitQ
through FAISS ParameterSpace. This enables the Go/CGO layer to
control qb via the existing ParameterSpace wrapper without new
Faiss qb API and C API bindings, and also for future per request use.

- Add IndexIVFRaBitQ include to AutoTune.cpp
- Register qb (0-8) in ParameterSpace::initialize for auto-tuning
- Add qb setter in set_index_parameter with dynamic_cast guard
@abhinavdangeti abhinavdangeti merged commit 04afbf4 into blevesearch:bleve Feb 17, 2026
@abhinavdangeti
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@Nischal1729 propose a tlm PR with 1.13.1-6 to pick up this commit.

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3 participants