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### Describe the issue:
According to `np.asarray(a)` [docs](https://numpy.org/doc/stable/reference/generated/numpy.asarray.html#numpy-asarray), it may return the original array or a copy.
In the cas…
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### Describe your issue.
My colleague discovered this issue and I am reporting it on his behalf: the lfilter function has an excessive processing time between 10,000 filter coefficients and 10,001 co…
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Hello, I would like to know if it is possible to have ARM's SIMD (neon) routines to be added in huff0 and/or FSE encode/decode parts? That way, I can make them run a bit faster on raspberry pi.
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### Describe the issue:
It appears that there is a small difference between functions executed using AVX-512 and not using AVX-512. Is this expected? My admittedly limited understanding is that com…
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### Describe the issue:
The annotation for the return type of `np.split` is `list[NDArray[Any]]`, but when a `pd.DataFrame` is passed, the return type is actually `list[pd.DataFrame]`.
The code …
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### Describe the issue:
On a Linux machine where I build with gcc 11.4.0, I noticed that `np.log(z)` with a large `complex64` array is significantly slower than with a `complex128` array of the sam…
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Numpy installation fails due to some SIMD issues. I don't need any avx512, even if the node I am compiling on is supporting it. We are running an HPC cluster with several different hardware generation…
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On bridges-2, using many processors (5832) peregrine cannot import numpy. It is fine on 1000 cores.
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### Describe the issue:
Starting in numpy 1.25.0, it appears that the `ufunc.reduce` method does not recognize the `identity` argument for ufuncs created with `np.frompyfunc`
### Reproduce the c…
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### Describe the doc issue
![image](https://github.com/opencv/opencv/assets/64570194/65c8cf16-21ef-4dfc-9d6b-8a5216c70fe3)
What is wrong with this? Configuration is unsuccessful.What can I do?
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