GPUcluster

Node type

Most nodes run CentOS 5.x, with openmpi-1.4.

On COS 5.x, to properly get a functional MPI environment, it is sufficient to create a file named ~/.mpi-selector with the content:
openmpi-1.4-gcc-x86_64

On COS 6.X, simply add the line below to your .bashrc:
module load openmpi-x86_64

Node list

The current node list with their characteristics

Host name	Motherboard	Processor	#cores	Freq	RAM	#GPU	GPU model	CUDA vers.	NVIDIA driver vers.	APEnet card	Operating System	IPMI address	Quartus II versions installed:	BIOS Version	IB board
agape0	X8DTG-D	X5570	4	2.93 GHz	24576 MB	1	C1060	4.2	295.41	3links	Centos 5.8	10.0.0.200	11.0 (no SP), 11.1 (SP1), 12.0 (SP2)	2.1a (28/10/2011)	YES
agape1	X8DTG-D	X5570	4	2.93 GHz	49152 MB	1	C1060	5.0RC	304.33		Centos 6.3	10.0.0.201	11.1 (SP2), 12.0 (no SP)	2.1 (15/09/2011)	NO
agape2	X8DTG-D	X5650	6	2.67 GHz	32768 MB	1	M2050	4.2	304.43	6links (nuova - 001)	Centos 5.8	10.0.0.202	11.0 (no SP), 11.1 (SP1), 12.0 (no SP)	2.1a (28/10/2011)	YES
agape3	X8DTG-D	E5620	4	2.40 GHz	12280 MB	1	M2050	4.2	304.43	6links (nuova - 00?)	Centos 5.8	10.0.0.203	11.0 (no SP), 11.1 (SP2), 12.0 (no SP)	2.0 (03/09/2010)	YES
agape4	X8DTG-D	E5620	4	2.40 GHz	12280 MB	1	M2050	4.2	295.41		Centos 5.8	10.0.0.204	11.0 (no SP), 11.1 (SP2), 12.0 (SP2)	2.0 (03/09/2010)	YES
agape5	X8DTG-D	E5620	4	2.40 GHz	12280 MB	2	S2050	4.1	304.43	3links	Centos 5.8	10.0.0.205	11.0 (no SP), 11.1 (SP2)	2.0 (03/09/2010)	YES
agape6	X8DTG-D	E5620	4	2.40 GHz	12280 MB	2	S2050	4.1	304.43	3links	Centos 5.8	10.0.0.206	10.0 (SP1), 11.0 (no SP), 11.1 (no SP)	2.0 (03/09/2010)	YES
agape7	X8DTG-D	X5660	6	2.80 GHz	10240 MB	1	M2070	4.1	304.43	6links	Centos 5.8	10.0.0.207	11.0 (no SP), 11.1 (SP2)	2.1a (28/10/2011)	YES
agape8	X8DTG-D	X5660	6	2.80 GHz	10240 MB	1	M2070	5.0RC	304.33		Fedora 17	10.0.0.208	11.1 (SP2), 12.0 (SP2)	2.1a (28/10/2011)	YES
apeiron1	X8DAH+	X5650	6	2.67 GHz	24576 MB	1	C2050	4.1	304.51	6links (nuova - 002)	Centos 5.8	No IPMI	11.0 (no SP), 11.1 (SP2)	2.0 (01/06/2010)	NO
apeiron2	X8DTG-QF	X5650	6	2.67 GHz	20480 MB	1	C2050	4.1	285.05.33	6links	Centos 5.8	10.0.0.199	11.0 (no SP)	2.0a (03/09/2010)	NO

Node topology (X+Y Torus)

            ||                ||
            \/                \/
       +----------+      +----------+
       | apeiron1 |      |  agape3  |
   ==> |          | <==> |          | <==
       |  0 0 0   |      |  1 0 0   |
       +----------+      +----------+
            /\                /\
            ||                ||
            ||                ||
            \/                \/
       +----------+      +----------+
       |  agape7  |      |  agape2  |
   ==> |          | <==> |          | <==
       |  0 1 0   |      |  1 1 0   |
       +----------+      +----------+
            /\                /\
            ||                ||

Node topology (Z loop)

       +----------+      +----------+      +----------+      +----------+
       | apeiron1 |      |  agape2  |      |  agape3  |      |  agape7  |
   ==> |          | <==> |          | <==> |          | <==> |          | <==
   |   |  0 0 0   |      |  0 0 1   |      |  0 0 2   |      |  0 0 3   |   |
   |   +----------+      +----------+      +----------+      +----------+   |
   |                                                                        |
   --------------------------------------------------------------------------