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Add IVF index for vec0 virtual table

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Add inverted file (IVF) index type: partitions vectors into clusters via
k-means, quantizes to int8, and scans only the nearest nprobe partitions at
query time. Includes shadow table management, insert/delete, KNN integration,
compile flag (SQLITE_VEC_ENABLE_IVF), fuzz targets, and tests. Removes
superseded ivf-benchmarks/ directory.
This commit is contained in:
Alex Garcia 2026-03-29 19:46:23 -07:00
parent 43982c144b
commit 3358e127f6
22 changed files with 5237 additions and 28 deletions
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16
tests/fuzz/ivf-create.dict Normal file
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@ -0,0 +1,16 @@
"nlist"
"nprobe"
"quantizer"
"oversample"
"binary"
"int8"
"none"
"="
","
"("
")"
"0"
"1"
"128"
"65536"
"65537"