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[Eugen Kubowsky <question186108@xxxxxxxxxxxxxxxxxxxxx>]

Question #186108 on Yade changed:
https://answers.launchpad.net/yade/+question/186108

Eugen Kubowsky proposed the following answer:
Hi Anton,
thanks for your help so far!
Let me give yo some more technical details about the workstation solutions that I have in mind.
There are 4 of these solutions. Two of them are Intel and the other ones AMD.

INTEL
------

"low-price": (16 cores, 2ghz)
- 2x Intel® Xeon®   Sandy Bridge- EP Series  Processor E5- 2650,  2.00 GHz,  8-Core  Socket 2011, 20MB  Cache,     max. 1600MHz  (DDR3 Memory Speed),  QPI 8.00 GT/s,
-  128 GB  (16x 8GB) /  PC1600 Reg. ECC, 2R, 1600mhz
-  2x 2TB  SATA3- HDD Western Digital WD CAVIAR Black

"high-end": (16 cores, 3,1ghz)
-  2x Intel® Xeon®   Sandy Bridge- EP Series  Processor E5- 2687W,  3,10 GHz,  8- Core  Socket 2011, 20MB    Cache, max.  1600MHz  (DDR3 Memory Speed),  QPI 8.00 GT/s
-  256 GB  (16x 16GB) / PC1600 Reg. ECC, 2R
-  120GB  SSD SATAIII 6GPS 2.5” Intel 520 Series,  550/520 MB/S read/write
-  2x 2TB  SATA3- HDD Western Digital WD CAVIAR Black


AMD
-----

"low-price": (32 cores, 2,1ghz)
-  2x  AMD Opteron™ 6200 series (Interlagos) Processor 6272, 2,1 GHz,  16- Core,  Socket G34,  16x1024KB/16MB L2/L3, max. 1600MHz (DDR3 Memory Speed)
Cache,     max. 1600MHz  (DDR3 Memory Speed),  QPI 8.00 GT/s,
-  128 GB  (16x 8GB) /  PC1600 Reg. ECC, 2R,  1600mhz
-  2x 2TB  SATA3- HDD Western Digital WD CAVIAR Black

"high-end": (32 cores, 2,7ghz)
-    2x  AMD Opteron™ 6200 series (Interlagos) Processor 6284SE,  2,7  GHz,  16-Core,  Socket G34, 16x1024KB/16MB L2/L3, max. 1 600MHz (DDR3 Memory Speed)
-  256 GB  (16x 16GB) / PC1600 Reg. ECC, 2R
-  120GB  SSD SATAIII 6GPS 2.5” Intel 520 Series,  550/520 MB/S read/write
-  2x 2TB  SATA3- HDD Western Digital WD CAVIAR Black

graphics
---------
Do I need a graphics card like PCI-Express Nvidia QUADRO 600 1024MB DDR3, 1 GB DDR3, 128 - bit, DirectX 11 (or even a better one?) or is something like GF GT 640   ZONE 2GB DDR3  NVIDIA/ 2048 MB/ DDR3/ 128 Bit/ GPU-frequ: 900 MHz/ memory frequ: 1782 MHz sufficient?


There is also an option for 32 cores Intel respectively 64 cores AMD solution, but i guess they would be too expensive...

What do you think would be the best workstation for dynamic simulation
with a lot of particles in dense packing?

Thanks for Help! 
Eugen

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