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V8 Optimized App
RottenMutt:
The dual quad Macs are kicking my a$$. :-[ How about a V8 Optimized app?
The best I'm able to due is about 13th top computers. Even though I'm dual 5320 OC to 2.625GHz the extra fsb (375MHz) puts my Boinc benchmarks higher then 5365 Macs.
Please Help ME[/b]
edit:
I have a SuperMicro X7da3+ running two OC'd 5320 at 2.625GHz (375MHz FSB), 4 sticks of Crucial 2GB PC2-5300 FB-DDR2 Memory in every other slot.
this link is my computer, V8 5320 @2.625GHZ, RAC4500: http://setiathome.berkeley.edu/show_host_detail.php?hostid=2921877
this link is adream's V8 5365 @3.0GHz, RAC7000: http://setiathome.berkeley.edu/show_host_detail.php?hostid=3284384
Maybe the MAC's are OC'ing, if so they should be 1.3 times faster then me, but still.
I've originally started with a SM X7da8 and mismatched ram, replaced it all to find out it didn't make any difference. :( Now I have two machines running, one with 5120's and another with 5320's all with Crucial FB-DDR2.
RottenMutt:
I've just loaded cruch3r's app
http://calbe.dw70.de/seti.html
michael37:
First of all, impressive job with overclocking. Wow.
Second, you are using the best application for your computer -- the SSSE3 64-bit app. I couldn't figure out if you are running 2.4 or 2.4V, but the latter is a tad faster. Upgrade if necessary.
I have no experience with V8 (dual-quad cores), but I have quite a bit experience with dual dual-cores 5120 and 5160s. I think they are simply slower than their Q6000 counterparts. I don't know why, but it has been reported on the main boards. Maybe an inferior chipset and memory controller? Though I see that your Q6700 is slower.
Lastly, I looked at completion times for your workunits on the E5320 and they are not impressive. How are you cooling that monster? It got to produce insane amount of heat overclocked. Make sure it doesn't throttle down your CPUs. Also, did you take care of the memory speed?
RottenMutt:
I've water cooled the 5320s, they run around 36-45 degrees C, and the memory about 60-65C. I seem to be limited by either the graphics card, the pci-e bus/the NB not running locked as i can hit 390 but not for long with BSD which reference the graphics.
I just DL 2.4V which i believe to be curnch3rs app.
The MACs are built on the same 5000x chipset so i don't think its a hardware limitation. But I do here them talk about a V8 optimized app, i have no clue how that could or would be accomplished...
I've been running around a 4200rac on the OC q6700's (4x3.35GHz), compared to 4900rac on the 5120's (8x2.6GHz) using 2.4 off the main page.
michael37:
Mac application is not "V8" optimized. It's just SSSE3 + MacOS optimized -- they still run 8 copies of the application, same as Windows or Linux users.
Graphics card has nothing to do with the Seti performance. Neither does PCI-E bus. Seti app performs no PCI-E IO. Boinc app does a little -- writing files and doing network traffic, but that's really minor and doesn't define the performance. What's your memory speed? What's your memory rating? I am beginning to suspect your RAM.
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