Hardware

CPU & GPU

The current platform includes:

• 8 dual-Xeon 8 cores, 16GB/core RAM
• 16 dual-Xeon 10 cores, 9.6GB/core RAM
• 44 dual-Xeon 6 cores, 8 GB/core RAM
• 6 quad-Opteron 16 cores, 4GB/core RAM
• 6 quad-Opteron 12 cores, ~5.3GB/core RAM
• 13 quad-Xeon 6 cores, ~2.6 GB/core RAM
• 19 dual-Xeon quad core, 2GB/core RAM
• 18 Nvidia Tesla GPU

The number of cores available is

• 128 Xeon 2.6Ghz cores : ~2.4 Tflops (2.7 Tflops peak)
• 320 Xeon E5 2.8Ghz cores : ~5.9 Tflops (7.17 Tflops peak)
• 528 Xeon 2.93Ghz cores : ~4.8 Tflops (6.2 Tflops peak)
• 384 Opteron 2.3Ghz cores : ~2.7 Tflops (3.5 Tflops peak)
• 288 Opteron 2.2Ghz cores : ~2 Tflops (2.53 Tflops peak)
• 312 Xeon 2.4Ghz cores : ~1.8 Tflops (3.0 Tflops peak)
• 152 Xeon 2.66Ghz cores : ~1.7 Tflops (2.17 Tflops peak)
• 8064 Streaming Processor Cores (18 Nvidia GPU) ~9.2Tflops peak (18.5 Tflops in single precision)

The total cumulated computing power is close to 21.1 Tflops (peak, double precision)

Dell C6220 Cluster (2015)

Dell C6220 dual-Xeon E5-2650 v2 @ 2.60GHz (16 cores) : 8 nodes ( nef029 to nef036 )

• RAM capacity : 256 GB RAM
• 1x1TB SATA HardDisk drive
• 2x gigabit network ports (one connected)
• 2x infiniband QDR card (one connected)

  Dell C6220 Cluster (2014)

Dell C6220 dual-Xeon E5-2680 v2 @ 2.80GHz (20 cores) : 16 nodes ( nef013 to nef028 )

• RAM capacity : 192 GB RAM
• 1x2TB SATA HardDisk drive
• 2x gigabit network ports (one connected)
• 1x infiniband FDR card (QDR used)

  Dell C6100 Cluster

Dell C6100 dual-Xeon X5670 @ 2.93GHz (12 cores) : 44 nodes ( nef097 to nef140 )

• RAM capacity : 96 GB RAM
• 1x250GB hard disk drive SATA 7.2kRPM
• 2x gigabit network ports (one connected)
• 1x infiniband QDR card

  Dell C6145 Cluster

Dell C6145 quad-Opterons 6376 @ 2.3Ghz (64 cores) : 6 nodes ( nef007 to nef012 )

• RAM capacity : 256 GB RAM (512GB on nef011 and nef012)
• 1x500GB SATA HardDisk drive
• 2x gigabit network ports (one connected)
• 1x infiniband QDR card

Dell R815 Cluster

Dell R815 quad-Opterons 6174 @ 2.2Ghz (48 cores) : 6 nodes ( nef001 to nef006 )

• RAM capacity : 256 GB RAM
• 2x600GB SAS HardDisk drive (RAID-0)
• 4x gigabit network ports (one connected)
• 1x infiniband QDR card

  Dell R900 Cluster

Dell R900 quad-Xeon E7450 @ 2.4GHz (24 cores) : 13 nodes ( nef084 to nef096 )

• RAM capacity : 64 GB RAM
• 2x146GB hard disk drive (RAID-1) SAS 15K RPM
• 4x gigabit network ports (one connected)
• 1x infiniband QDR card

  Dell 1950 cluster

PowerEdge 1950 dual-Xeon 5355 @ 2.66Ghz (8 cores) : 19 nodes ( nef065 to nef083 )

• RAM capacity : 16 GB
• 2x73GB SAS in RAID-0, 146Go disk space available
• 2x gigabit netword ports (one connected)
• 1x infiniband QDR card

  Dell C6100/C410x GPU nodes

Dell C6100 nodes: mono-Xeon X5650 @ 2.66Ghz : 2 nodes ( nefgpu05 nefgpu06)

• RAM capacity: 24 GB
• 1x250GB SATA disk
• 2x gigabit ethernet ports (one connected)
• 1x infiniband QDR card
• 2 Tesla M2050 GPUs connected with a PCIe gen2 16x interface
  • 448 Streaming Processor Cores per card
  • Simple precision performance peak: 1.03 Tflops per card
  • Double precision performance peak: 0.51 Tflops per card
  • 3GB of RAM capacity per card

  Carri GPU nodes

Carri HighStation 5600 XLR8 nodes: dual-Xeon X5650 @ 2.66Ghz : 1 node ( nefgpu03 nefgpu04 )

• RAM capacity: 72 GB
• 2x160GB SSD disks
• 4x gigabit ethernet ports (one connected)
• 1x infiniband QDR card
• 7 Tesla C2070 (nefgpu03)/ 7 Tesla C2050(nefgpu04) GPUs connected with a PCIe gen2 16x interface
  • 448 Streaming Processor Cores per card
  • Simple precision performance peak: 1.03 Tflops per card
  • Double precision performance peak: 0.51 Tflops per card
  • 3GB of RAM capacity per card (6GB on nefgpu03)

legacy cluster - CPU & GPU

This paragraph describes the obsolete "legacy nef" configuration which will definitively stop on 17 april 2016 : please use the new nef configuration.

Hardware from the legacy cluster will be re-installed in the new cluster

The current platform includes:

• 6 quad-Opteron 12 cores
• 6 quad-Opteron 16 cores
• 16 dual-Xeon 10 cores.
• 21 dual-Xeon quad core.
• 2 dual-Xeon hexa core.
• 2 mono-Xeon hexa core.
• 22 Nvidia Tesla GPU

The number of cores available is

• 288 Opteron 2.2Ghz cores : ~2 Tflops (2.53 Tflops peak)
• 384 Opteron 2.3Ghz cores : ~2.7 Tflops (3.5 Tflops peak)
• 320 Xeon E5 2.8Ghz cores : ~5.9 Tflops (7.17 Tflops peak)
• 204 Xeon 2.66Ghz cores : ~1.7 Tflops (2.17 Tflops peak)
• 960 Streaming Processor Cores (4 Nvidia GPU) ~0.3Tflops peak (3.7 Tflops in single precision)

The total cumulated computing power is close to 15.7 Tflops (peak, double precision)

  Storage

All nodes have access to common storage :

• common storage : /home
  • 15 TiB, available to all users, quotas
  • 1 Dell PowerEdge R520 server with 2 RAID-10 array 4 x 4TB SAS 7.2 kRPM disks, infiniband QDR, NFS access
• capacity distributed and scalable common storage : /data
  • 153TiB, to be extended : + 55 TiB in 2016
    • permanent storage : 1TiB quota per team + teams may buy additional quota (please contact cluster administrators)
    • scratch storage : variable size (initially ~20TiB), no quota limit, for temporary storage (data may be purged)
  • BeeGFS filesystem on multiple hardware :
    • 2 Dell PowerEdge R730xd ; 800GB metadata : RAID-1 array 2 x 800 GB SSD mixed use MLC disks ; 1 or 2 x 36TB data: 1 or 2 x RAID-6 array 8 x 6TB SAS 7.2 kRPM disks
    • 3 Dell PowerEdge R510 ; 20TB data : RAID-6 array 12 x 2TB SAS 7.2 kRPM disks
    • infiniband QDR

Legacy team storage :

• legacy external storage (Dell MD1200) : out of maintenance hardware
  • 19TB for the ASCLEPIOS EPI
  • 11TB for the MORPHEME EPI
• legacy external storage (Dell MD1000) : out of maintenance hardware
  • 1TB RAID-1 for the TROPICS EPI archive