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