Comments (3)
Hey! This isn't a full solution to your problem (which is basically due to how the optimised retrieval engine works, and the defaults/dynamic hyper parameters not being very strong for small collections), but I think for just ~800 documents for benchmarking purposes you could alleviate this issue is by using in-memory encoding rather than indexing.
(until I build a proper nice HNSW-style index, I'm also planning on letting users create an "index" by persisting their in-memory encoding, which will work really well for relatively low number of documents!)
E.g. in your situation, replace
RAG = RAGPretrainedModel.from_pretrained("/path/to/finetuned_model")
index_path = RAG.index(index_name="my_index", collection=docs, document_ids=doc_ids)
# Retrieving
RAG = RAGPretrainedModel.from_index('.ragatouille/colbert/indexes/finetuned_index')
results = RAG.search(query, k=500)
with
RAG = RAGPretrainedModel.from_pretrained("/path/to/finetuned_model")
RAG.encode(docs)
results = RAG.search_encoded_docs(query, k=500)
This will actively search through every single document rather than PLAID-style approximation, which for small datasets + high k values will always guarantee that you get the number of results you want, and the computational overhead is minimal at your data scale (on my machine, it takes ~45ms to query the index, and ~55 to query in-memory encoded docs)
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Hey, this will come along with #137 (as well as making full-vectors indexing the default index for small collections)!
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Thanks, that works well! Small detail but I think it'd be nice to add document_ids
to RAG.encode
similar to how it's done with RAG.index
so that both can have the same result format.
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Related Issues (20)
- How to get token level similarity scores? HOT 1
- Cannot access pre-trained ColBERT model on Windows 11 (CPU-only) HOT 2
- ImportError: DLL load failed while importing segmented_maxsim_cpp: The specified module could not be found. HOT 1
- Can't search with k over 128 HOT 2
- Rework Dependencies: ship with barebones dependencies & bundle different features as extras HOT 1
- 02-basic_training.ipynb fails HOT 1
- You have a GPU available, but only `faiss-cpu` is currently installed. HOT 4
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- Can't install on WSL 2 Windows 10 or Crashes (using faiss-gpu) HOT 8
- mac m1: trainer.train: ImportError: incompatible architecture (have 'x86_64', need 'arm64') HOT 2
- Pytorch 2.1 on Runpod running Examples hangs with message HOT 5
- llama-index version 0.10.x not compatible HOT 2
- Training resume feature isn't available due to removal in upstream ColBERT HOT 1
- Issue with indexing BGE-M3 (large dimensionality vectors) HOT 4
- Replace ColBERT with jina-colbert-v1-en HOT 2
- ImportError: cannot import name 'Document' from 'llama_index' (unknown location) HOT 11
- ImportError: cannot import name 'LLM' from 'llama_index.core.llms' HOT 1
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