Re: SCons very slow on GitHub actions

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Mats - That looks like the culprit.

On Wed, Apr 30, 2025 at 1:13=E2=80=AFPM Mats Wichmann <[email protected]> wr=
ote:

> On 4/30/25 14:09, Bill Deegan wrote:
> > It could be chalked up to Microsoft making server 2025 "better".... ;)
> >
> > I wonder if it's doing more anti-virus'y checking on each launched
> process?
> >
> >
> > On Wed, Apr 30, 2025 at 12:17=E2=80=AFPM Leonard de Ruijter
> > <[email protected] <mailto:[email protected]>> wrote:
> >
> >     Yes, I tried that option but it doesn't give extra insight
> >     unfortunately.
> >
> >     I just tried the windows-2019 image and it is way faster. 10 second=
s
> >     total script reading time, compared to 70 seconds on 2022 and 2025.
> The
> >     2019 image only has Visual Studio 2019 installed.
> >
> >     Python version (e.g. 3.13) is still slow on 2022/2025 images.
>
> At this point just flailing around, but could this be a factor?
>
> https://news.ycombinator.com/item?id=3D42782553
>
>
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> Scons-users mailing list
> [email protected]
> https://pairlist4.pair.net/mailman/listinfo/scons-users
>

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<div dir=3D"ltr">Mats - That looks like the culprit.</div><br><div class=3D=
"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">O=
n Wed, Apr 30, 2025 at 1:13=E2=80=AFPM Mats Wichmann &lt;<a href=3D"mailto:=
[email protected]">[email protected]</a>&gt; wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex">On 4/30/25 14:09, Bill Deegan wrote:<br>
&gt; It could be chalked up to Microsoft making server 2025 &quot;better&qu=
ot;.... ;)<br>
&gt; <br>
&gt; I wonder if it&#39;s doing more anti-virus&#39;y checking on each laun=
ched process?<br>
&gt; <br>
&gt; <br>
&gt; On Wed, Apr 30, 2025 at 12:17=E2=80=AFPM Leonard de Ruijter <br>
&gt; &lt;<a href=3D"mailto:[email protected]" target=3D"_blank">alderui=
[email protected]</a> &lt;mailto:<a href=3D"mailto:[email protected]" targ=
et=3D"_blank">[email protected]</a>&gt;&gt; wrote:<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0Yes, I tried that option but it doesn&#39;t give ex=
tra insight<br>
&gt;=C2=A0 =C2=A0 =C2=A0unfortunately.<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0I just tried the windows-2019 image and it is way f=
aster. 10 seconds<br>
&gt;=C2=A0 =C2=A0 =C2=A0total script reading time, compared to 70 seconds o=
n 2022 and 2025. The<br>
&gt;=C2=A0 =C2=A0 =C2=A02019 image only has Visual Studio 2019 installed.<b=
r>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0Python version (e.g. 3.13) is still slow on 2022/20=
25 images.<br>
<br>
At this point just flailing around, but could this be a factor?<br>
<br>
<a href=3D"https://news.ycombinator.com/item?id=3D42782553" rel=3D"noreferr=
er" target=3D"_blank">https://news.ycombinator.com/item?id=3D42782553</a><b=
r>
<br>
<br>
_______________________________________________<br>
Scons-users mailing list<br>
<a href=3D"mailto:[email protected]" target=3D"_blank">Scons-users@scon=
s.org</a><br>
<a href=3D"https://pairlist4.pair.net/mailman/listinfo/scons-users" rel=3D"=
noreferrer" target=3D"_blank">https://pairlist4.pair.net/mailman/listinfo/s=
cons-users</a><br>
</blockquote></div>

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