Michael <[email protected]> writes: > On Saturday, 26 February 2022 22:47:52 GMT Ramces Tampo-og Red wrote: > >> Yeah, I was just thinking about that since building a powerful, new >> computer around my area is prohibitively expensive. But getting old, >> prebuilt computers is ludicrously cheap. I figured that I can get a few >> of them for $50-75 and just plug them to an ethernet switch to do the >> compiling for me. > > Distributed compiling may not be as useful as you think. Not all phases of a > build can be distributed, pre-processing and linking will still take a lot of > time, some packages will not compile over distcc and will fail, any gains in > compiling time could be eaten away by network losses, etc. On the other hand > a 'better' PC with more RAM and a faster CPU with more cores could prove > transformative in its performance impact, when used as a building server for > binary packages to be installed thereafter on slower systems. > > I have found older PCs with limited resources eventually reach an EOL as far > as their capability to emerge large packages. I have a very old Core 2 Duo > Pentium laptop with 4G RAM, which even with MAKEOPTS="-j1" takes forever to > build qtwebengine: > > genlop -t dev-qt/qtwebengine > > Fri Feb 4 20:06:46 2022 >>> dev-qt/qtwebengine-5.15.2_p20211216 > merge time: 1 day, 3 hours, 12 minutes and 7 seconds. > > Chromium got so slow over the years, I stopped emerging it long ago. > > Give distcc a go if you have a spare PC to experiment and want to test % > improvements with your setup, but personally I wouldn't invest money on it. > Instead I'd save up for a faster machine. YMMV.
That sucks. I'll try it out but I guess there's no way out on building a
proper rig that can handle the compile jobs.
Though to be honest, I've been compiling all of my stuff in both my X200
and T400 laptops and both are Core 2 Duo machines. The only real issue
that I've had with those is with compiling Qtwebengine which took around
12-14 hours. Other than that the compile times are negligible enough
that I don't really notice it that much.
Either way, thanks for the heads up.
Cheers!
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