Comments (2)
Thank you for the suggestion. I read it and agree with your assessment, especially with: "We suggest that future research focus on improving the MADDNESS hash function, which appears to be an accuracy bottleneck.". If you want to use more data to back up that statement, feel free to use my results in addition to yours.
I am thinking about the LeViT
results:
MADDness: Is the in the paper described encoding algorithm.
DT: Using the same hashed binary decision tree, the learning is top-down instead of bottom-up. First building the centroids and then mapping the hash function with a decision tree classifier.
halutmatmul/src/python/halutmatmul/decision_tree_and_pq.py
Lines 201 to 207 in d48ac55
PQ: Product quantization: mapping the input vector to the closest prototype. So it is essentially the perfect encoding function.
Knowing this we can say pretty exact how much we could gain with a better encoding function or in your words: how big the accuracy bottleneck is :-).
ResNet-50 results show the accuracy bottleneck.
I wish you a good presentation :-)
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@joennlae, thanks -- this analysis is so helpful!
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