Hi, On 12/6/20 8:49 pm, Riccardo Mottola via Dng wrote: > Hi all! > > I just upgraded from ascii to beowulf a pretty decent laptop, equipped > with a core i7 and 8GB of RAM. > > I upgraded everything in place: so same desktop environment, same > applications, same hard disk... just "apt-get dist-upgrade" essentially. > > I even kept gcc6 because I had it before and I need it. > > My test case is compiling ArcticFox, thus something in the realm of > Firefox: lots of compiler activity, make, disk access, make and python. > But, of course, predominant factor is compilation and linking. > > With ascii, I was consistently (= not just one build) doing a clean > build in about 31 minutes! Quite fast for this small beast and I was happy. > > With beowulf, this number is consistently about 41 minutes. > > I say this is a very significant slowdown! Can I gain some speed back? > Some setting? some spectre/meltdown mitigation? Having latest ascii, I > think I had at least some of the backports. > > > I am wary thus updating to beowulf on slower machines.
Just an idea, but it might be spectre/meltdown mitigations? A.
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