8 Packs 4ghz 32m Challenge win full Haswell 4770K Bundle.

I7 4770K 07m 22.125s
RAM: Team Group 2400 LV CL9 2760Mhz 9,12,12,16 112
MB: ASUS MAXIMUS VI HERO

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Looks like you guys are pulling out all the stops.

Can anyone topple PCZ though?

I haven't had a chance to do any further tweaking so it's looks like he's got me beat :(
 
Wow amazing times guys! Been on holiday for the last couple of weeks and this was the best I could manage on my Sammy Greens on Windows 7 Home Premium. If I wasn't going away might've been tempted with getting some decent RAM and installing a stripped down Windows XP. Good luck guys!

I7 4770K 07m 33.524s
RAM: Samsung Green 9-10-10-15-90-1T 2280MHz
MB: Gigabyte Z87X-UD3H

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Kaktus69 said:
Wow :eek:

Very nice PCZ, I can see this challenge going down to the wire.
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Amazing score PCZ!!! well done - I've now officially given up ;) had a real hectic couple of days so going to go an watch a movie instead - all the best to those still participating!!! - I will still add a score for my Ivybridge rig at some point but will never match any of these incredible scores!!!
 
Final time for me: Quite pleased with what I've managed to squeeze out right at the end :)

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Full submission including sub-timings:

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Don't think I can get any more out of the system.
 
shadow_boxer said:
Well done Duff. Pulled one out right at the death!
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I did! :D Must have done 10 runs with tRFC at 102, and they all failed. Last run I had time for before the deadline finally went through :) I already had a 7:21 time though, so in hindsight it seems that would have been enough.

Been fun tweaking... At a fixed CPU clockspeed there seems to be as much if not more to gain by OS and copy-waza tweaks than memory tweaks.


What waza were you guys using? I ended up using a 768mb+512mb manual copy, with a 25s wait before engaging pi.

I tried alsorts of stuff that didn't help... Closing explorer, closing svc host, RAM drive. None of them seemed to help. A well set up copy waza is worth a good 4-5 seconds though...

edit: Using the 125Mhz stepping also gained me a couple of seconds. Took a fair amount of extra chipset voltage, but it was worth it.
 
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Thanks guys :D

Honestly didn't think I'd get under 7:25. But then, I've always been a bit of a pessimist :p


Shadow boxer, if your time was without any copy waza then it's really very impressive!
 
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