Comments (3)
As far as I can tell this might be related to the computation of the SVD and that 30GB of sentences might kill the SVD solver. It should nonetheless be possible to approximate the SVD components by using only a subset of sentences. I'll have to dig into this.
Btw: For that amount of text it is very likely the lib needs an approximate nearest neighbor search for similar sentences. I'm looking at Annoy
from fast_sentence_embeddings.
Yeah I'm thinking the SVD is crashing, the machine had approx 100GB of memory left though (since the rest was memory mapped). I am not sure if there is nice iterative version of SVD, I'm guessing no. But, for such a large set of documents taking a (random) subset to approximate it might be valid; as you proposed.
And yeah, for nearest neighbor lookup it definitely needs an approximate kNN, apart from Annoy there is also https://github.com/Microsoft/SPTAG and https://github.com/facebookresearch/faiss . Annoy is nice and simple, but I found it to be very finicky in terms of number of trees used.
from fast_sentence_embeddings.
I've included a solution to the problem! SIF and uSIF basically now come with a parameter "cache_size_gb", which determines the amount of ram to reserve for the SVD computation.
This is standard 1 GB, so the SVD routine will randomly sample rows from the matrix if the matrix is larger than 1 GB. Pushed this change to the development branch.
As for the approximate NN search: Is on my list. Thank you for the suggestions. I want a lib that is easily pip-able. Annoy is easy, yet I'll have to dig into this more thoroughly https://github.com/erikbern/ann-benchmarks
from fast_sentence_embeddings.
Related Issues (20)
- Encounter "Divided 0 Error" HOT 3
- Paranmt Model HOT 3
- maintenance HOT 3
- Handling out of vocabulary HOT 2
- Hierarchical (Convolutional) Embeddings HOT 1
- MaxPooling Model
- Add Features to Sentencevectors
- SVD ram subsampling for SIF / uSIF
- Move Away from Travis.CI
- Refactor and benchmark IndexedSentence
- Rework Threading Input class
- Don't absorb KeyedVectors into BaseS2V class
- Add gensim 4.0.0 support HOT 5
- ImportError: cannot import name '_l2_norm' from 'gensim.models.keyedvectors HOT 2
- from the Results, CBOW is best, therefore why use SIF? HOT 1
- S3E pooling?
- out-of-vocabulary imputation? HOT 2
- Have full api document ? HOT 1
- Best way to save a fine-tuned vectorizer object for later use HOT 1
- error with fse.average function
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from fast_sentence_embeddings.