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Update faiss-cpu requirement from >=1.7.4 to >=1.15.0 in /LLM - #524

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Update faiss-cpu requirement from >=1.7.4 to >=1.15.0 in /LLM#524
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Updates the requirements on faiss-cpu to permit the latest version.

Release notes

Sourced from faiss-cpu's releases.

v1.15.0

[1.15.0] - 2026-07-31

Full changelog

Added

  • 4332ceb99492e3ba4ce09aada9bd9e48dc4e2f0b Enable byte-LUT gather path for QT_8bit_eden distance computation (#5498)
  • 41133fde4222a8862650601d85f9af684314ebc8 Add EDEN quantizer indexes (#5278)
  • 3110fd242458bf1458507d9d281847543e3b4d92 Add MetalIndexIVFPQ with product quantization and residual encoding support (#5288)
  • 6c2b68775a21a24870f7fd10788ebc4ec0582650 Adding cuVS IVF-SQ backend (#5306)
  • 4d778bc595917de51a0e76de8351984b8bd8203f Add multi-GPU CAGRA → HNSW build with trainAllNeighbors and multi-GPU optimize (#5282)
  • 42dc2862c293b7c7f788be686cf6c9ac93abf6cf Implement memory-mapped I/O for Flat and static Vamana SVS indices (#5271)
  • d22107beca7a6db4ff146700b19d507e52b595b1 feat(riscv): Add RISC-V RVV rabitq kernels (#5369)
  • df51012a606bc352058e95fe58d45b348ffb201a feat(riscv): Add RISC-V RVV vector distance kernels (#5354)
  • 3b52da37c40973d4816ff7d2a4e3fb9f74379988 Add AVX2 and AVX512 byte-domain kernels for QT_8bit_direct_signed (#5409)
  • 88b6c47cf514d3bee7d1995c09a39234fa89d8f9 Implement IVFRaBitQ FastScan conversion constructor (#5422)
  • d24cc844d2cabce819cda806217b243177293e09 Implement GPU IVF add_preassigned via add_core (implement #3908) (#5372)
  • 5826578a7e8f3f9e45bdb74df0c504c242dfdba0 Read/Write support for IndexHNSW base class (#5305)
  • a3350f6641f85d1e2d08fa191863bde6be470df9 faiss: support METRIC_L1 and extra metrics in IndexFlat range_search (#5391)
  • 432e8b4248c2778b5023d5e2ac15b264ec120d02 Extend DistanceComputer batching to PQ, SQ, and PreTransform (#5309)
  • 7d4bb39f7eb3e9bb4d160aa38ec821ee1a407afc Extract super_kmeans_assign_iteration as a shared public SuperKMeans kernel (#5443)
  • aff8589c9e1c2d6ee6a0de615aa719a9a4fd6e86 c_api: expose ScalarQuantizer codec and complete FaissQuantizerType enum (#5477)
  • 13aa39b7916824bc09ca6af7b5e241c2cba68f6d Clone index support for HadamardRotation (#5475)
  • 3e313e4c496b6a042b71193fe0bd9dd713efc7a2 SIMDConfig::has_dynamic_dispatch() (#5460)
  • a6f97750aeaf760c72d0526c3a346513823c4a0c Add faiss-gpu-cuvs pip wheel packaging (#5250)
  • 6227323ffd0341679299ba9a8e71cac1e15674ee pyfaiss_gpu_cuvs_2602: cuVS faiss Python for aarch64/GH200 (26.02, CUDA 12.4)
  • 522644cb2b7a29737fe669b263eccb946217dc93 Stand up parallel cuVS 26.02 IVF-PQ targets (rmm/raft/cuvs) at CUDA 12.8 (#5414)
  • edebabf90fe79829ede6eaa02f3d9a78d3008a5b Include Python type stubs (init.pyi, py.typed) in conda packages (#5394)
  • 9579d8f0a4dbc91bd7ce195ef0aceb937c89159e Add type stubs for SVS index classes + IndexIVFFlatPanorama.batch_size (#5489)
  • fd7be0cfb0c8cee0d475bb6285ad996a87ebf917 Add QT_0bit and QT_2bit_tq..QT_5bit_tq to ScalarQuantizer pyi stub (#5323)
  • ccecc847db5e1d20e929cf8df4a8ddb654769890 Add ClusteringInitMethod enum constants to init.pyi stub (#5324)
  • 55990eb91f9042d811a76d72e43f9ca126d77beb Port test_rabitq_utils from C++ to Python (#5442)

Changed

  • 0236390f2fd8e63ff5e4c6d4ca981b7ba032cd17 Optimize RaBitQ fastscan query setup + 80% qps (#5396)
  • b1d61c3b883fb82063e024979404dd6ebe134eca Fuse RaBitQ AND-dot and popcount scan (#5412)
  • 81031a97892896ca9167e5203e27420de4617e67 RaBitQ fastscan avx512 lut quant (#5397)
  • b7f2b0f1fd8d62e902bdcdcb9ae9694a6fd8f792 RaBitQ SIMD-optimized bit-plane operation (#5392)
  • 0a27700e05429e60221b0eccbf50c4a79ad2e450 Reuse RaBitQ IVF scanner distance computer (#5390)
  • a3d59f0999c69015eeff54fdde3e0d051798179e faiss DD: use 256-bit fast-scan QBS kernel on AMD Zen 4 (split AVX-512) (#5488)
  • c374dd917b75c8b1fef56e487d26e18d3aae5605 Panorama HNSW Optimizations (~x1.2) (#5190)
  • cb9a72ac03f4e7f7d563e3e54ab4e86b8ce1af12 Reuse the HNSW visited table across searches instead of reallocating per call (#5448)
  • 4d1657471f8590ccadf5c2f37d6b58999b8010ec Raise HNSW visited-table hash-set threshold from 500k to 10M (#5446)
  • a4b4c0f2de14d30719e0750e40922e47517eaa80 Optimize exhaustive_L2sqr_blas_cmax with AVX-512 intrinsics. (#4569)
  • 4a2f7e63280ec095bb16dbf0d8e837b2ab79c27f Optimize the DistanceComputerByte::compute_code_distance with AVX512F, AVX512BW, AVX512VL instructions (#5067)
  • 9a74c6d3d14ccf02157782c8f47205765fad63d9 Speed up Top1 and Reservoir add_results with AVX2/AVX512 (#5297)
  • 4030faae3d5b2c67a5931a637a1e77e2ceee9e1e Speed up polysemous training with AVX-512.
  • ea107641d4ccc350e9c3eebaffcada74b586d801 Parallelize inverted-list append loop in IndexIVFPQ::add_core_o (#5382)
  • cf045707c5342cf670b9e1176d47337b05fa0b6e ProductQuantizer::search_sdc: hoist per-subquantizer row pointers out of database-vector loop (#5338)
  • caf88fca98d6693366642cbb7d9b8df27dcb91ce Improve ranklist intersection size (#5237)

... (truncated)

Changelog

Sourced from faiss-cpu's changelog.

[1.15.0] - 2026-07-31

Added

  • 4332ceb99492e3ba4ce09aada9bd9e48dc4e2f0b Enable byte-LUT gather path for QT_8bit_eden distance computation (#5498)
  • 41133fde4222a8862650601d85f9af684314ebc8 Add EDEN quantizer indexes (#5278)
  • 3110fd242458bf1458507d9d281847543e3b4d92 Add MetalIndexIVFPQ with product quantization and residual encoding support (#5288)
  • 6c2b68775a21a24870f7fd10788ebc4ec0582650 Adding cuVS IVF-SQ backend (#5306)
  • 4d778bc595917de51a0e76de8351984b8bd8203f Add multi-GPU CAGRA → HNSW build with trainAllNeighbors and multi-GPU optimize (#5282)
  • 42dc2862c293b7c7f788be686cf6c9ac93abf6cf Implement memory-mapped I/O for Flat and static Vamana SVS indices (#5271)
  • d22107beca7a6db4ff146700b19d507e52b595b1 feat(riscv): Add RISC-V RVV rabitq kernels (#5369)
  • df51012a606bc352058e95fe58d45b348ffb201a feat(riscv): Add RISC-V RVV vector distance kernels (#5354)
  • 3b52da37c40973d4816ff7d2a4e3fb9f74379988 Add AVX2 and AVX512 byte-domain kernels for QT_8bit_direct_signed (#5409)
  • 88b6c47cf514d3bee7d1995c09a39234fa89d8f9 Implement IVFRaBitQ FastScan conversion constructor (#5422)
  • d24cc844d2cabce819cda806217b243177293e09 Implement GPU IVF add_preassigned via add_core (implement #3908) (#5372)
  • 5826578a7e8f3f9e45bdb74df0c504c242dfdba0 Read/Write support for IndexHNSW base class (#5305)
  • a3350f6641f85d1e2d08fa191863bde6be470df9 faiss: support METRIC_L1 and extra metrics in IndexFlat range_search (#5391)
  • 432e8b4248c2778b5023d5e2ac15b264ec120d02 Extend DistanceComputer batching to PQ, SQ, and PreTransform (#5309)
  • 7d4bb39f7eb3e9bb4d160aa38ec821ee1a407afc Extract super_kmeans_assign_iteration as a shared public SuperKMeans kernel (#5443)
  • aff8589c9e1c2d6ee6a0de615aa719a9a4fd6e86 c_api: expose ScalarQuantizer codec and complete FaissQuantizerType enum (#5477)
  • 13aa39b7916824bc09ca6af7b5e241c2cba68f6d Clone index support for HadamardRotation (#5475)
  • 3e313e4c496b6a042b71193fe0bd9dd713efc7a2 SIMDConfig::has_dynamic_dispatch() (#5460)
  • a6f97750aeaf760c72d0526c3a346513823c4a0c Add faiss-gpu-cuvs pip wheel packaging (#5250)
  • 6227323ffd0341679299ba9a8e71cac1e15674ee pyfaiss_gpu_cuvs_2602: cuVS faiss Python for aarch64/GH200 (26.02, CUDA 12.4)
  • 522644cb2b7a29737fe669b263eccb946217dc93 Stand up parallel cuVS 26.02 IVF-PQ targets (rmm/raft/cuvs) at CUDA 12.8 (#5414)
  • edebabf90fe79829ede6eaa02f3d9a78d3008a5b Include Python type stubs (init.pyi, py.typed) in conda packages (#5394)
  • 9579d8f0a4dbc91bd7ce195ef0aceb937c89159e Add type stubs for SVS index classes + IndexIVFFlatPanorama.batch_size (#5489)
  • fd7be0cfb0c8cee0d475bb6285ad996a87ebf917 Add QT_0bit and QT_2bit_tq..QT_5bit_tq to ScalarQuantizer pyi stub (#5323)
  • ccecc847db5e1d20e929cf8df4a8ddb654769890 Add ClusteringInitMethod enum constants to init.pyi stub (#5324)
  • 55990eb91f9042d811a76d72e43f9ca126d77beb Port test_rabitq_utils from C++ to Python (#5442)

Changed

  • 0236390f2fd8e63ff5e4c6d4ca981b7ba032cd17 Optimize RaBitQ fastscan query setup + 80% qps (#5396)
  • b1d61c3b883fb82063e024979404dd6ebe134eca Fuse RaBitQ AND-dot and popcount scan (#5412)
  • 81031a97892896ca9167e5203e27420de4617e67 RaBitQ fastscan avx512 lut quant (#5397)
  • b7f2b0f1fd8d62e902bdcdcb9ae9694a6fd8f792 RaBitQ SIMD-optimized bit-plane operation (#5392)
  • 0a27700e05429e60221b0eccbf50c4a79ad2e450 Reuse RaBitQ IVF scanner distance computer (#5390)
  • a3d59f0999c69015eeff54fdde3e0d051798179e faiss DD: use 256-bit fast-scan QBS kernel on AMD Zen 4 (split AVX-512) (#5488)
  • c374dd917b75c8b1fef56e487d26e18d3aae5605 Panorama HNSW Optimizations (~x1.2) (#5190)
  • cb9a72ac03f4e7f7d563e3e54ab4e86b8ce1af12 Reuse the HNSW visited table across searches instead of reallocating per call (#5448)
  • 4d1657471f8590ccadf5c2f37d6b58999b8010ec Raise HNSW visited-table hash-set threshold from 500k to 10M (#5446)
  • a4b4c0f2de14d30719e0750e40922e47517eaa80 Optimize exhaustive_L2sqr_blas_cmax with AVX-512 intrinsics. (#4569)
  • 4a2f7e63280ec095bb16dbf0d8e837b2ab79c27f Optimize the DistanceComputerByte::compute_code_distance with AVX512F, AVX512BW, AVX512VL instructions (#5067)
  • 9a74c6d3d14ccf02157782c8f47205765fad63d9 Speed up Top1 and Reservoir add_results with AVX2/AVX512 (#5297)
  • 4030faae3d5b2c67a5931a637a1e77e2ceee9e1e Speed up polysemous training with AVX-512.
  • ea107641d4ccc350e9c3eebaffcada74b586d801 Parallelize inverted-list append loop in IndexIVFPQ::add_core_o (#5382)
  • cf045707c5342cf670b9e1176d47337b05fa0b6e ProductQuantizer::search_sdc: hoist per-subquantizer row pointers out of database-vector loop (#5338)
  • caf88fca98d6693366642cbb7d9b8df27dcb91ce Improve ranklist intersection size (#5237)
  • 5c1afeed9666448708c8a036136a8a8bdf8827e1 Remove dead code in quantize_ex_bits to avoid wasted compute (#5384)
  • e3dd6a85f3125d3338b2a5918e007230927c929f Remove unused fields in various DistanceComputers (#5318)
  • 35c5495b8fa8fcab4b8b476d6a6efde67d3a0e85 Remove confusing double-negative throw-macro conditions (#5471)

... (truncated)

Commits
  • 20f14b3 Increment to next release, v1.15.0 (#5494)
  • 4332ceb Enable byte-LUT gather path for QT_8bit_eden distance computation (#5498)
  • 6187d94 clang-diagnostic-unused-parameter in GpuCloner.cpp (#5480)
  • 37313e7 Fix two memory leaks in shard_ivf_index_centroids (#5495)
  • 7a4e797 Fix RaBitQ fast scan aux offsets for large bbs (#5421)
  • b1d61c3 Fuse RaBitQ AND-dot and popcount scan (#5412)
  • 9579d8f Add type stubs for SVS index classes + IndexIVFFlatPanorama.batch_size (#5489)
  • a3d59f0 faiss DD: use 256-bit fast-scan QBS kernel on AMD Zen 4 (split AVX-512) (#5488)
  • 4d74915 Bound lattice_nbit loop in IndexLattice ctor to fix deserialization timeout (...
  • a032797 faiss DD: SQ AVX-512 falls back to AVX2 when d%16!=0 (#5478)
  • Additional commits viewable in compare view

@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python Pull requests that update python code labels Aug 20, 2026
@dependabot
Update faiss-cpu requirement from >=1.7.4 to >=1.15.0 in /LLM
48e31cd 
Updates the requirements on [faiss-cpu](https://github.com/facebookresearch/faiss) to permit the latest version.
- [Release notes](https://github.com/facebookresearch/faiss/releases)
- [Changelog](https://github.com/facebookresearch/faiss/blob/main/CHANGELOG.md)
- [Commits](facebookresearch/faiss@v1.7.4...v1.15.0)

---
updated-dependencies:
- dependency-name: faiss-cpu
  dependency-version: 1.15.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot
dependabot Bot force-pushed the dependabot/pip/LLM/faiss-cpu-gte-1.15.0 branch from a22635c to 48e31cd Compare August 25, 2026 18:38
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