
python - How to use np.vectorize? - Stack Overflow
Feb 13, 2021 · Isn't the answer to How to use np.vectorize? usually "Don't. It just pretends to be a vectorized function but is just a loop with a different name"?
Using Numpy Vectorize on Functions that Return Vectors
Using Numpy Vectorize on Functions that Return Vectors Asked 15 years, 4 months ago Modified 2 years, 11 months ago Viewed 125k times
0-dimensional array problems with `numpy.vectorize`
Feb 18, 2025 · 2 numpy.vectorize conveniently converts a scalar function to vectorized functions that can be applied directly to arrays. However, when inputting a single value into the …
simd - What is "vectorization"? - Stack Overflow
Aug 11, 2021 · Many CPUs have "vector" or "SIMD" instruction sets which apply the same operation simultaneously to two, four, or more pieces of data. Modern x86 chips have the SSE …
python - Performance of Pandas apply vs np.vectorize to create …
Oct 6, 2018 · np.vectorize, list comprehension + zip and map methods, i.e. the top 3, all have roughly the same performance. This is because they use tuple and bypass some Pandas …
Is `-ftree-loop-vectorize` not enabled by `-O2` in GCC v12?
Dec 23, 2022 · SIMD, Vectorize. is enabled by -o2, loop unrolling makes the code much larger so it is a separate flag in -o2 and included in -o3. many times -o2 will out-perform -o3.
c++ - What does vectorization mean? - Stack Overflow
Oct 4, 2009 · Is it a good idea to vectorize the code? What are good practices in terms of when to do it? What happens underneath?
Most efficient way to map function over numpy array
Feb 5, 2016 · What is the most efficient way to map a function over a numpy array? I am currently doing: import numpy as np x = np.array ( [1, 2, 3, 4, 5]) # Obtain array of square ...
How to use Python to perform vector search or hybrid search on …
Feb 27, 2024 · As title My setup is as follows: I select "Import and vectorize data" on the Azure AI Search Portal and I get an index with vector values. I am used to using python for Azure AI …
c++ - tree vectorization: gcc optimization flag - Stack Overflow
Mar 10, 2016 · I have noticed that the gcc flag -ftree-vectorize is very useful for optimizing code. I am trying to understand better how it works, but the doc is fairly concise: Perform vectorization …