v2.6.8

What's Changed

• Add validation to prevent building illegal IVF indexnode for emb_list by @alwayslove2013 in #1411
• feat: support brute_force search and iterator with chunked dataset by @alwayslove2013 in #1409
• add feature emb_list for ivf_flat int8 by @alwayslove2013 in #1415
• Add sq4 for HNSW by @CLiqing in #1406

Full Changelog: v2.6.7...v2.6.8

v2.6.7

What's Changed

• add log for re-search in hnsw by @chasingegg in #1390
• FEAT: Support RVV-optimized Scalar Quantizer by @hansu2022 in #1396
• fix: bruteforce_emblist support empty_list (length==0) by @alwayslove2013 in #1394
• feat: emb list support ivfflat / ivfflatcc by @alwayslove2013 in #1397
• fix: build portable pyknowhere by @foxspy in #1393
• enhance: add search task cancel check by @foxspy in #1399
• fix: fix cardinal ut by @foxspy in #1401
• fix: cosine val should not be greater than 1.0 by @alwayslove2013 in #1402
• feat: add emb_list support for DiskANN by @alwayslove2013 in #1403
• enhance: update milvus common version by @foxspy in #1404
• enhance: update cardinal version by @foxspy in #1405
• enhance: update cardinal v1 version by @foxspy in #1410

Full Changelog: v2.6.6...v2.6.7

v2.6.6

What's Changed

• [Test] Add refine type for IVF_PQ/IVF_SQ by @CLiqing in #1371
• fix pyknowhere Dump/Load by @chasingegg in #1387
• enhance: update cardinal v1 version by @foxspy in #1388

Full Changelog: v2.6.5...v2.6.6

v2.6.4

What's Changed

• [skip e2e]: update cardinal version by @foxspy in #1356
• feat: emb list support within index_node by @alwayslove2013 in #1352
• feat: cardinal support emb_list by @alwayslove2013 in #1357
• fix ut: emb list hnsw / diskann by @alwayslove2013 in #1360
• fix ut: add check function for emblist by @marcelo-cjl in #1362
• fix: revert MAX_N_SECTOR_READS by @foxspy in #1363
• fix: fix emb list ut by @foxspy in #1364
• fix emb_list_recall: set default RETRIEVAL_ANN_RATIO from 1 to 3 by @alwayslove2013 in #1365

Full Changelog: v2.6.3...v2.6.4

v2.6.0

What's Changed

• enhance: sparse: Add support for persistency of sparse indexes by @sparknack in #1238
• feat(simd/rvv): add RVV SIMD optimization for int8_vec_inner_product, int8_vec_L2sqr, int8_vec_norm_L2sqr by @lyd1992 in #1240
• feat(simd/rvv): add RVV SIMD optimization for int8_vec batch_4 functions by @lyd1992 in #1242
• sparse: change index file header size to 32 for now by @sparknack in #1245
•  [SIMD][RVV] add RVV SIMD optimization for bf16_vec_inner_product_rvv && bf16_vec_L2sqr_rvv && bf16_vec_norm_L2sqr_rvv by @hansu2022 in #1244
• fix: sparse vector dup key error in bruteforce range search by @sparknack in #1246
• fix: sparse: all entries should use span in version 8 by @sparknack in #1251
• [SIMD][RVV] add RVV SIMD optimization for bf16_vec_inner_product_batch_4_rvv && bf16_vec_L2sqr_batch_4_rvv by @hansu2022 in #1248
• enhance: remove useless omp parallel by @foxspy in #1256
• Add datatype check for int8 by @cqy123456 in #1255
• feat(simd-rvv): Add RVV SIMD optimized bf16 patch functions for inner product and L2sqr by @lyd1992 in #1253
• [SIMD][RVV] add RVV SIMD optimization for fp16_vec_inner_product_rvv && fp16_vec_L2sqr_rvv && fp16_vec_norm_L2sqr_rvv by @hansu2022 in #1254
• feat: Extend BitsetView for 1-hop ID mapping in hierarchical index_nodes by @alwayslove2013 in #1252
• feat(simd-rvv): Add RVV SIMD optimized batch-4 bf16 patch functions by @lyd1992 in #1259
• unify bf search and search_with_buf by @alwayslove2013 in #1260
• Accelerating Data Processing with Prefetching by @wjunLu in #1263
• feat: emb_list(hnsw) by @alwayslove2013 in #1267
• [SIMD][RVV] add RVV SIMD optimization for fp16_vec_inner_product_batch_4_rvv && fp16_vec_L2sqr_batch_4_rvv by @hansu2022 in #1269
• add index_type/data_type/mmap check for emb_list_hnsw by @alwayslove2013 in #1272

New Contributors

• @hansu2022 made their first contribution in #1244
• @wjunLu made their first contribution in #1263

Full Changelog: v2.5.11...v2.6.0

v2.5.5

What's Changed

• [bug] fix IVFPQFastScan::RangeSearch() on ARM by @alexanderguzhva in #1116
• fix ARM bf16 patch functions by @alexanderguzhva in #1120
• enhance: reduce the queuing problem caused by the mixed task of growing index and sealed index by @foxspy in #1126
• fix: add use_knowhere_build_pool param for BuildAsync by @foxspy in #1128
• [skip e2e]: update cardinal version by @foxspy in #1129
• Fill -1 for invalid ids by @chasingegg in #1131
• Enable SVE Support for L2 Metric Computation in FP32 by @adarshs1310 in #969
• RaBitQ implementation by @alexanderguzhva in #1115
• Add search level metric by @chasingegg in #1139
• fix: fix gpu build by @foxspy in #1141

New Contributors

• @adarshs1310 made their first contribution in #969

Full Changelog: v2.5.4...v2.5.5

v2.5.4

What's Changed

• [skip e2e] Change CI timeout to 120min by @cydrain in #1099
• Add Int8Vector SIMD APIs for avx512/avx2/sse/ref by @cydrain in #1098
• Add benchmark_simd_qps by @cydrain in #1101
• enhance: SCANN_DVR support different refine type in train and search process by @cqy123456 in #1106
• Add neon implementation for Int8Vector by @cydrain in #1104
• Correct some distance APIs' input parameter types by @cydrain in #1109
• Rename half_precision_floating_point_xxx to xxx_typed for better readability by @cydrain in #1110
• BruteForce support Int8Vector by @cydrain in #1114
• Fix CAGRA-HNSW serialization format by @lowener in #1108

Full Changelog: v2.5.3...v2.5.4

v2.5.3

Features

• support diskann mv(cloud only) by @chasingegg in #1045
• knowhere support data view index node by @cqy123456 in #1016

Enhance

• scann support search parameter 'ensure_topk_full' by @cqy123456 in #1072

Bugfix

• fix : for all empty sparse index, PrepareMmap will early return to avoid mmapping empty file by @sparknack in #1050

Full Changelog: v2.5.2...v2.5.3

v2.5.2

Features

• add max score ratio downscaling for approximate searching on sparse vector @sparknack in #1018
• add DAAT MaxScore support for sparse vector by @sparknack in #1015
• support MV only for HNSW by @chasingegg in #1020

Improvements

• Iterator thread control optimization by @alwayslove2013 in #1008
• memory usage optimization for sparse vector by @sparknack in #1011

Full Changelog: v2.5.1...v2.5.2

v2.5.1

What's Changed

• enhance: scann support iterator by @cqy123456 in #992
• make FileReader to close fd using RAII by @zhengbuqian in #1005

Full Changelog: v2.5.0...v2.5.1