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List:       gentoo-user
Subject:    [gentoo-user] Re: long compiles
From:       Nikos Chantziaras <realnc () gmail ! com>
Date:       2023-09-12 9:19:46
Message-ID: udpafi$112f$1 () ciao ! gmane ! io
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On 11/09/2023 22:19, Alan McKinnon wrote:
> chromium has been building since 10:14, it's now 21:16 and still going 
> so 9 hours at least on this machine to build a browser - almost as bad 
> as openoffice at it's worst (regularly took 12 hours). Nodejs also took 
> a while, but I didn't record time.

What's your CPU and how much RAM? Even on my older system I had (an 
4-core i5 2500K) libreoffice took like 2 hours or so to build.


> What other packages have huge build times?

IIRC, dev-qt/qtwebengine is one of the heaviest when it comes to build 
times.

Anyway, a nice way to cut down on build times is to build on tmpfs. To 
do that however with heavy packages like that, I had to upgrade to 32GB 
RAM. There was a large price drop in the memory market a couple months 
ago, so I snatched a 32GB DDR4 3600 kit (2x16GB) for like 80€. So now 
with plenty of RAM, I configured a 14GB tmpfs in /var/tmp/portage. I 
never hit swap when emerging.


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