On Fri, Jun 25, 2010 at 12:58 PM, Mark Knecht <markkne...@gmail.com> wrote: > On Fri, Jun 25, 2010 at 5:52 AM, Stefan G. Weichinger <li...@xunil.at> wrote: >> Am 24.06.2010 02:25, schrieb Mark Knecht: >>> On Wed, Jun 23, 2010 at 3:38 PM, Stefan G. Weichinger >>>> How do you use up 24 gigs of DRAM? Just tell me, I would like to >>>> justify that for me as well ;-) >>> >>> 5 copies of Win7 running in vmware VMs. Each VM gets 20GB of RAID0, >>> 2 processors and 4GB of RAM. That's 100GB, 20GB DRAM and 10 threads >>> total. I then have 2 i7-980X threads & 4GB DRAM for running Gentoo >>> as the host. Gentoo runs on RAID1 and I have an additional RAID1 >>> which I use to back up the RAID0 daily. >> >> I see. That's way more than I need here, so I will get through with 8 GB >> DRAM easily ... >> >>> Yeah, dual boot is what I'm doing with the i5-661. The i7-980X only >>> runs Gentoo and if I need Windows it's in the 5 VMs described above. >>> >>> The 980X is expensive to run. It's got 5 hard drives in it (2 for >>> RAID0, 3 for RAID1) plus the processor and all that memory burns >>> over 300W at idle. >> >> Also too expensive and big for me. I think I will go for the i5 if I >> decide to upgrade. >> >> Thanks, S >> >> > > Really was too expensive for me also, at least for the actual use I'm > making of it so far, but when I need to run a bunch of copies of > Windows in parallel it's pretty nice. > > None the less it is fast. I did the kde-4.4.4 upgrade this morning. 94 > minutes on the clock. Something like 287 ebuilds. Doesn't include > download time. I did emerge -fDuN earlier: > > > c2stable ~ # time emerge -DuN kde-meta > <SNIP> > > * Regenerating GNU info directory index... > * Processed 150 info files. > > * IMPORTANT: 2 config files in '/etc' need updating. > > * IMPORTANT: 17 config files in '/usr/share/config' need updating. > * See the CONFIGURATION FILES section of the emerge > * man page to learn how to update config files. > > real 94m25.632s > user 246m19.420s > sys 36m19.092s > c2stable ~ # > > Even though i have 12 processor threads you can see the effectivity is > more like 3 or 4 1 overall. A lot of the kde compile only uses 1 or 2 > cores per package and then there's a lot of time spent waiting for > hard drives, etc.
Try adding -j to emerge and watch it truly maximize your cores. When I emerged KDE it was compiling something like 90 packages simultaneously.
