Re: Question: Can LowLevelCallable functions be beneficial to scipy.optimize performance?

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On Mon, Feb 19, 2024, 19:28 Gabriel Fougeron <[email protected]>
wrote:

> > Do you think it would be possible to develop your examples to the point
> where it's an easier tutorial for us.
>
> On the other hand, dealing with the LowLevelCallable in your own code is a
> mess! Especially (like I did) if you want to somewhat abstract the return
> type of the function (for the purposes of integrating scalar and vector
> functions for instance). The code I came up with is much too verbose and
> cluttered to my liking.
>

I was talking about using a lowlevelcallable from Python code, much like
what your example shows.



> AND there is the issue that I raised a few months ago which attracted
> little attention. Cf https://github.com/scipy/scipy/issues/19148
> Until this issue has been addressed, users won't be able to use
> LowLevelCallable without my dirty workaround anyways, so having a nice
> tutorial is counter productive.
> This being said, I would be thrilled to contribute with a nice tutorial
> once this roadblock has been lifted.
>
> I think that's ok, but I don't know how to make those files available.

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<div dir=3D"auto"><div><br><br><div class=3D"gmail_quote"><div dir=3D"ltr" =
class=3D"gmail_attr">On Mon, Feb 19, 2024, 19:28 Gabriel Fougeron &lt;<a hr=
ef=3D"mailto:[email protected]">[email protected]</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex">&gt; Do you think it woul=
d be possible to develop your examples to the point<br>
where it&#39;s an easier tutorial for us.<br>
<br>
On the other hand, dealing with the LowLevelCallable in your own code is a =
mess! Especially (like I did) if you want to somewhat abstract the return t=
ype of the function (for the purposes of integrating scalar and vector func=
tions for instance). The code I came up with is much too verbose and clutte=
red to my liking.<br></blockquote></div></div><div dir=3D"auto"><br></div><=
div dir=3D"auto">I was talking about using a lowlevelcallable from Python c=
ode, much like what your example shows.</div><div dir=3D"auto"><br></div><d=
iv dir=3D"auto"><br></div><div dir=3D"auto"><div class=3D"gmail_quote"><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
cc solid;padding-left:1ex"><br>
AND there is the issue that I raised a few months ago which attracted littl=
e attention. Cf <a href=3D"https://github.com/scipy/scipy/issues/19148" rel=
=3D"noreferrer noreferrer" target=3D"_blank">https://github.com/scipy/scipy=
/issues/19148</a><br>
Until this issue has been addressed, users won&#39;t be able to use LowLeve=
lCallable without my dirty workaround anyways, so having a nice tutorial is=
 counter productive.<br>
This being said, I would be thrilled to contribute with a nice tutorial onc=
e this roadblock has been lifted.<br><br>
</blockquote><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex">I think that&#39;s ok, but I do=
n&#39;t know how to make those files available.</blockquote></div></div></d=
iv>

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