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Intel Core i7-3930K vs Xeon E5-2630 For Long-duration Financial Calculations - Page 10

post #91 of 100
Quote:
Originally Posted by dima777 View Post

do you think ECC memory errors are frequent enough to have a hight chance of occurring in a 6-hour calculation session?

Not unless you have an enormous amount of memory, say several terabytes.

I've run Memtest86 for 40 days straight on one of my LGA-1366 systems with 24GiB of non-ECC memory and only saw one single bit errors (and no other errors) during the entire run.
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post #92 of 100
Thread Starter 
Quote:
Originally Posted by Blameless View Post

Not unless you have an enormous amount of memory, say several terabytes.
I've run Memtest86 for 40 days straight on one of my LGA-1366 systems with 24GiB of non-ECC memory and only saw one single bit errors (and no other errors) during the entire run.

I see...very interesting..I wonder what is the most reliable non ecc memory one can have?)
post #93 of 100
Thread Starter 
I have done some investigation and found this twin-brother of i7 3930k - INTEL Xeon E5-1650 (similar price as well)….it runs at the same frequency and support all kinds of features as well as the ECC memory…I wonder if anyone here can comment on how this CPU works in practice? I have seen comments that this CPU is out of stock everywhere…..do you think it can be hard to find??? Thanks!)
post #94 of 100
Thread Starter 
I think I have finally nailed a very attractive offer that might well suit my needs perfectly....well nearly perfectly....
I have found a workstation by HP which features the much coveted Intel Xeon E5-1650 processor!!!!!!! and its price is within the constraints

that I have -

HP Workstation Z420 - Xeon E5-1650 3.2 GHz

take a look here - http://www.amazon.com/HP-Workstation-Z420-Xeon-E5-1650/dp/B007TMY6OS/ref=pd_sim_sbs_pc_6

I am slightly weary of building my own custom build so this one looks very attractive....it features the e5-1650 as well as the 8 gbs of ram

and is all factory packed and of course ecc and everythign super fail proof I guess...please let me know what you think!!!!!)




I have a couple of more questions...do you think it might be possibel to add more 8GBs of Ram and a video card without voiding the warranty?
thanks!!
feel so close to the final step!)
post #95 of 100
The E5-1650 should be functionally identical to the i7 3930k in every way, except for the fact that it has a locked CPU multipler, BCLK strap, and supports both registered and ECC memory.

Regarding the HP Z420, it's not a bad system, and having a major OEM to support you if something goes wrong would be nice, but you really could do better for the money if you built it yourself.

You could likely add memory and a video card without voiding the warranty, but you'd probably need to stay within certain guidelines, or a QVL.
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post #96 of 100

I think if you're going OEM route, leave yourself open to the idea of a 2P system. You don't need 2 at first (I don't think), but at least it's scalable.

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post #97 of 100
Quote:
Originally Posted by kweechy View Post

I think if you're going OEM route, leave yourself open to the idea of a 2P system. You don't need 2 at first (I don't think), but at least it's scalable.
With his type of work, he can just use multiple separate computers entirely.
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post #98 of 100
Quote:
Originally Posted by DuckieHo View Post


With his type of work, he can just use multiple separate computers entirely.

Yeah just usually in the long run, it's cheaper and easier to license and maintain a single box I figure.

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post #99 of 100
Thread Starter 
yes....thanks))) I wonder if there are some happy owners of hp z420 here who can comment on their workstation??
post #100 of 100
Thread Starter 
I just wanted to let you know that I recently bought the HP Z420 machine with the e5-1650 processor and 8 gb ecc ram!) runs great!) thank you for your comments and directions!!!!))))

i had one more question - I do need to think fo a backup solution just in case - I was wondering if you can recommend anything for this - do you think there is a way to upload and run my own 64-bit vmware image containing the 64 bit office and Matlab to some private cloud service??? just to be sure I have another place to recalculate all stuff for emergency cases...would it be possible to upload such a wmware image to some cloud service? what do you think?
thanks!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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