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# 向量检索
## 算法选型
性能、内存/磁盘、召回率、实时更新、增量更新、删除
算法 | 召回效果 | 内存 | 增量更新
-- | -- | -- | --
HNSW | 好 | 略高 | 是
PQ | 好 | 低 | 否
ANNOY | 较好 | 中 | 是
实现 | 性能 | 内存 | 易用性
-- | -- | -- | --
FAISS | 较好…
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usage: covidask.py [-h] [--metadata_dir METADATA_DIR]
[--vocab_name VOCAB_NAME]
[--bert_config_name BERT_CONFIG_NAME]
[--bert_model_option B…
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# Summary
TestGpuIndexIVFPQ.LargeBatch fails with NVIDIA GeForce RTX 3060 (12 GB vRAM) and CUDA 11.7.
# Platform
OS: Ubuntu 20.04.6 LTS
Faiss version: d85601d972af2d64103769ab8d940db28aaa…
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Building a RAG application using Spring AI 1.0.0.M1 version, JDK 21, Ollama & Milvus v2.4.0 vector store running as a docker container using docker compose. Please note, I am creating a new Collection…
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### Environment
```markdown
- Milvus version: image: milvusdb/milvus:v2.4.4-gpu
- Deployment mode(standalone o…
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especially when nprobe is samll
```
nlist=1024
ivf_sq8 search on glove recalls: [0.2931, 0.4116, 0.5251, 0.624, 0.7116, 0.7899, 0.8578, 0.9146, 0.9576, 0.9807]
gpu_ivf_sq8 search on glove recalls:…
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索引:IVFPQ+HNSW
vearch版本:最新的vearch3.2.7
参数设定:
检索的时候增加了filter过滤
但是返回的结果个数不对,4个向量进行检索,有的返回2个,有的1个,有的0个,应该是都是2个才对。
检索的时候不增加filter过滤,所有的向量都返回了2个结果。
不知道是哪里的问题了。。
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# Summary
This is a petition for a pull request.
There are some very good blas distance functions in FLAT, but they aren't used at all in IVFFLAT. This is because all current parallel mode of IVFF…
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建表语句如下:
body = {"name": space, "partition_num": 1, "replica_num": 1,
"engine": {
"name": "gamma",
"index_size": 20000,
…
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@AyushExel @fcakyon
**Description**:
I am writing to request support for LanceDB's cloud version in the `LanceDBVectorStore` class of the `llama-index` library.
**Current Implementation** (from…