
How to correctly convert numpy vectorize to numba vectorize
Sep 13, 2019 · 5 Most of the built-in NumPy functions are already vectorized and don't need the np.vectorize decorator at all. In general the numpy.vectorize decorator will produce very slow …
How to vectorize with gcc? - Stack Overflow
Jan 3, 2009 · The v4 series of the gcc compiler can automatically vectorize loops using the SIMD processor on some modern CPUs, such as the AMD Athlon or Intel Pentium/Core chips. How …
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 ...
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"?
python - Numba.vectorize for CUDA: What is the correct signature …
Apr 4, 2018 · numba cuda vectorize and guvectorize are basically expecting to do elementwise operations, with no interdependencies between computed results. prefix sum doesn't really fit …
numpy - Vectorize a function with a condition - Stack Overflow
May 6, 2021 · I would like to vectorize a function with a condition, meaning to calculate its values with array arithmetic. np.vectorize handles vectorization, but it does not work with array …
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 …
How to define a vectorized function in R - Stack Overflow
Sep 13, 2017 · As the title, I'd like to know how to define a vectorized function in R. Is it just by using a loop in the function? Is this method efficient? And what's the best practice ?
Difference between frompyfunc and vectorize in numpy
Dec 17, 2016 · What is the difference between vectorize and frompyfunc in numpy? Both seem very similar. What is a typical use case for each of them? Edit: As JoshAdel indicates, the …
python - Numpy vectorize with signature - Stack Overflow
Sep 5, 2023 · Can someone explain how does the signature works with numpy's vectorize? I have read the documentation. It is confusing and has a very tiny part dedicated to signatures I have …