> This is indeed twice as fast as the vectorized implementation, but, disappoint... | Hacker News

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davedx on May 16, 2025 | parent | context | favorite | on: I don't like NumPy

> This is indeed twice as fast as the vectorized implementation, but, disappointingly, the naive implementation with loops is even faster.

On CPU or GPU?

kccqzy on May 16, 2025 [–]

This is NumPy we are discussing. It doesn't use the GPU.

threeducks on May 17, 2025 | [–]

To be fair, you could replace `import numpy as np` with `import cupy as np` and it would run on GPU without further changes. It is not any good though. PyTorch is roughly 12 times faster.

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