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Commits on Jul 17, 2024

• Revert "processing subspace at a time makes it almost 20x slower"

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• processing subspace at a time makes it almost 20x slower

  

  Jonathan Ellis

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• fix similarities array being the wrong length

  

  Jonathan Ellis

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• transpose the lookup table, this makes a surprisingly large difference

  

  Jonathan Ellis

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• add support for more than 256 subspaces

  

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Commits on Jul 16, 2024

• add ADC precomputation

  

  Jonathan Ellis

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• switch to dot products

  

  Jonathan Ellis

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• r/m spurious +1 that breaks stuff, not sure how that crept in

  

  Jonathan Ellis

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Commits on Jul 15, 2024

• don't call test_simple first, it breaks test_cohere

  

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• add sync_stream after copies to/from host/device

  

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• rename dev_resources -> res

  

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• two fixes:

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• cleanup

  

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• add ones and zeros sanity check

  

  Jonathan Ellis

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• Revert "combine multiple neighbor lists"

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• add cohere dataset

  

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• combine multiple neighbor lists

  

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• requiring query vector to be on device memory across calls to compute_similarity gives about 10% speedup

  

  Jonathan Ellis

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• Revert "copy pq codes into shared memory. makes it ~2x slower"

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• copy pq codes into shared memory. makes it ~2x slower

  

  Jonathan Ellis

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• cleanup

  

  Jonathan Ellis

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• fix reduction across multiple blocks, costs ~15% more latency

  

  Jonathan Ellis

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• Revert "warp-level reduction. doesn't actually make things faster"

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• warp-level reduction. doesn't actually make things faster

  

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• thread-per-dimension yields 3x speedup

  

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Commits on Jul 13, 2024

• fix pq_len for multi-subspace PQ, and add a benchmark

  

  Jonathan Ellis

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• cleanup

  

  Jonathan Ellis

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• make the readBE functions a bit better

  

  Jonathan Ellis

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• create jpq_dataset as a stripped down vpq_dataset

  

  Jonathan Ellis

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• revert changes to train_vq

  

  Jonathan Ellis

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• load vpq_dataset from jvector's PQVector output

  

  Jonathan Ellis

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Commits on Jul 12, 2024

• add examples to `clean` target and build examples with Debug

  

  Jonathan Ellis

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• build VPQ from random data

  

  Jonathan Ellis

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• use a single zero-vector centroid for VQ (i.e. make it a no-op)

  

  Jonathan Ellis

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• we want pq (with a single vq), not vq-only

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