THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- Add int8 scalar quantization to the HNSW vector format. This optionally allows for more compact lossy storage for the vectors, requiring about 75% approximately 4x less memory for fast HNSW search.
HNSW graph now can be merged with multiple threads, leveraging the same infrastructure that inter-segment concurrency utilizes.
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