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Are PCI-E CPU's possible? - Page 2

post #11 of 21
Quote:
Originally Posted by TheBloodEagle View Post

Just checked them out now...woahhh. Would love a budget version of those. Exactly what I'm asking for!
Instead of 57 cores for $1650, I'd settle for 2 cores! biggrin.gif

http://www.pugetsystems.com/blog/2013/10/07/Intel-Xeon-Phi-with-Windows-510/


http://ark.intel.com/products/75798/Intel-Xeon-Phi-Coprocessor-3120P-6GB-1_100-GHz-57-core
Except the difficulty with the Phi (aside from the horrid cost) is that windows x86 code will not run on it due to the card running a micro-linux OS on it.

That, and apparently its a total pain to code for.
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post #12 of 21
Quote:
Originally Posted by TheBloodEagle View Post

Just checked them out now...woahhh. Would love a budget version of those. Exactly what I'm asking for!
Instead of 57 cores for $1650, I'd settle for 2 cores! biggrin.gif
Problem is, they don't come with 57 Haswell cores. They come with 57 modified P54C, aka Pentium I Classic, cores. You'd be running a co-processor with two 1996-vintage cores, which would be next to useless. With 57 of them, you can do something useful, but as someone else already said, it's a PITA to code for. It's a lot simpler to just get a powerful PCIe GPU and make use of OpenCL.
     
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post #13 of 21
Thread Starter 
Quote:
Originally Posted by jsc1973 View Post

Problem is, they don't come with 57 Haswell cores. They come with 57 modified P54C, aka Pentium I Classic, cores. You'd be running a co-processor with two 1996-vintage cores, which would be next to useless. With 57 of them, you can do something useful, but as someone else already said, it's a PITA to code for. It's a lot simpler to just get a powerful PCIe GPU and make use of OpenCL.

I figured and it's against all logic but I still think the ability to upgrade by plopping down an extra CPU into the PCI-E slot would be fun (although yes a GPU will function as such with OpenCL). Something like a Haswell G3430 or similar, just for kicks.
post #14 of 21
1x http://www.supermicro.nl/products/motherboard/Xeon/C600/X9QR7-TF-JBOD.cfm - 1.160$
4x http://ark.intel.com/products/75290/Intel-Xeon-Processor-E5-4657L-v2-30M-Cache-2_40-GHz - 17.500$
8x http://ark.intel.com/products/80310/Intel-Xeon-Phi-Coprocessor-7120D-16GB-1_238-GHz-61-core - 33.880$

Total price without the ram etc: 52.540$

Killer farm with:
48c / 96t Powerfull Cores/Threads and 488 less powerfull "co" cores.

Now you just have to make a version of F@H or what ever you like to do that supports 500 or more cores and your good to go.

Edit: Suggestion for ram: 24x http://www.newegg.com/Product/Product.aspx?Item=N82E16820135089 (who doesn't need 768Gb of ram)...

Should bring the total without Psu and so on to 82.800$
Edited by Eggy88 - 3/28/14 at 6:24am
post #15 of 21
Thread Starter 
Quote:
Originally Posted by Eggy88 View Post

1x http://www.supermicro.nl/products/motherboard/Xeon/C600/X9QR7-TF-JBOD.cfm - 1.160$
4x http://ark.intel.com/products/75290/Intel-Xeon-Processor-E5-4657L-v2-30M-Cache-2_40-GHz - 17.500$
8x http://ark.intel.com/products/80310/Intel-Xeon-Phi-Coprocessor-7120D-16GB-1_238-GHz-61-core - 33.880$

Total price without the ram etc: 52.540$

Killer farm with:
48c / 96t Powerfull Cores/Threads and 488 less powerfull "co" cores.

Now you just have to make a version of F@H or what ever you like to do that supports 500 or more cores and your good to go.

Edit: Suggestion for ram: 24x http://www.newegg.com/Product/Product.aspx?Item=N82E16820135089 (who doesn't need 768Gb of ram)...

Should bring the total without Psu and so on to 82.800$

Just need to sell my soul & I'm good to go!
post #16 of 21
Quote:
Originally Posted by Eggy88 View Post

1x http://www.supermicro.nl/products/motherboard/Xeon/C600/X9QR7-TF-JBOD.cfm - 1.160$
4x http://ark.intel.com/products/75290/Intel-Xeon-Processor-E5-4657L-v2-30M-Cache-2_40-GHz - 17.500$
8x http://ark.intel.com/products/80310/Intel-Xeon-Phi-Coprocessor-7120D-16GB-1_238-GHz-61-core - 33.880$

Total price without the ram etc: 52.540$

Killer farm with:
48c / 96t Powerfull Cores/Threads and 488 less powerfull "co" cores.

Now you just have to make a version of F@H or what ever you like to do that supports 500 or more cores and your good to go.

Edit: Suggestion for ram: 24x http://www.newegg.com/Product/Product.aspx?Item=N82E16820135089 (who doesn't need 768Gb of ram)...

Should bring the total without Psu and so on to 82.800$

Wow, really cool. I wonder how well something like this could run BOINC. Since it runs a single task per thread already I wonder if I would need to do anything special to get this to work. If it worked well, should put a hurting on CPU tasks, but doubt it would still put out the PPD of a 7970
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post #17 of 21
Quote:
Originally Posted by jsc1973 View Post

Problem is, they don't come with 57 Haswell cores. They come with 57 modified P54C, aka Pentium I Classic, cores. You'd be running a co-processor with two 1996-vintage cores, which would be next to useless. With 57 of them, you can do something useful, but as someone else already said, it's a PITA to code for. It's a lot simpler to just get a powerful PCIe GPU and make use of OpenCL.

Actually, I've heard the Xeon Phi is a lot easier to code for than GPUs. Its basically just a PC on a card- you can log into it and everything. When it came out people were ranting about it, but it seems to have largely died out.


Back on topic, I know I used to see 486 and Pentium card advertised on PCI cards, complete with RAM and other stuff. I never really understood what they were for. But that's not what the OP is asking about- he's asking if you can add cores to your machine with a card, not have a whole separate machine.

You can't just add CPUs through PCIe- its not built for it, is too high latency, and you would never solve problems like cache coherency without strangling the whole machine.
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post #18 of 21
Back in the 90s my parents upgraded their PC, which was an Intel Pentium 90Mhz, to a Intel Pentium 233 W/MMX. They bought this PCI board that had a CPU and 32MB of RAM on it. When the PC booted, it used the 90Mhz CPU/RAM then when it got to the PCI card BIOS it took over.

I can't recall the name, Was Ever something...
    
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post #19 of 21
Quote:
Originally Posted by killabytes View Post

Back in the 90s my parents upgraded their PC, which was an Intel Pentium 90Mhz, to a Intel Pentium 233 W/MMX. They bought this PCI board that had a CPU and 32MB of RAM on it. When the PC booted, it used the 90Mhz CPU/RAM then when it got to the PCI card BIOS it took over.

I can't recall the name, Was Ever something...

Hm, that sort of upgrade would probably have been drop-in. Socket 7 ran through that wide of a berth...

You're not talking about the Evergreen ACCELERAPCI, are you?
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post #20 of 21
Quote:
Originally Posted by kevmatic View Post

Hm, that sort of upgrade would probably have been drop-in. Socket 7 ran through that wide of a berth...

You're not talking about the Evergreen ACCELERAPCI, are you?

Evergreen, Thank you!

http://www.oocities.org/sjg/evergreen/Accelera.html

My god that's a flashback.
    
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