Hardware

CPU & GPU summary

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
• 36 Nvidia GPU

The number of CPU 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)

The total cumulated CPU computing power is close to 27.3 Tflops peak

The number of GPU cores available is :

• 70400 Streaming Processor Cores ~173.7 Tflops peak in single precision ( 15.9 Tflops peak in double precision )

CPU clusters

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)
• hyperthreading not active

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)
• hyperthreading not active

 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
• hyperthreading not active

 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
• hyperthreading not supported

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
• hyperthreading not supported

 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
• hyperthreading not supported

 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
• hyperthreading not supported

GPU nodes

 Dell T630 GPU nodes

Dell T630 nodes: dual-Xeon E5-26xx : 6 nodes ( nefgpu07 to nefgpu12)

• GeForce GTX Titan X GPUs cards connected with a PCIe gen3 16x interface
  • 3072 CUDA cores per card
  • 12GB of RAM capacity per card
  • Simple precision performance peak: 7.0 Tflops per card
  • Double precision performance peak: 0.2 Tflops per card
  • 336.5 GB/s GPU memory bandwidth
• GeForce GTX 1080 GPUs cards connected with a PCIe gen3 16x interface
  • 2560 CUDA cores per card
  • 8GB of RAM capacity per card
  • Simple precision performance peak: 8.2 Tflops per card
  • Double precision performance peak: 0.3 Tflops per card
  • 320 GB/s GPU memory bandwidth
• 4x gigabit ethernet ports (one connected)
• 1x infiniband QDR card

Node details

Node name	Funding team	Number of GPU cards	Node CPU	Node RAM	Node storage	Hyperthreading active ?
nefgpu07	ASCLEPIOS	2x Titan X	2x E5-2620v3	32 GB	2x 1TB SATA 7.2kRPM	no
nefgpu08	ZENITH	4x Titan X	2x E5-2630v3	64 GB	2x 300GB SAS 15kRPM + 1x 800GB SSD	no
nefgpu09	GRAPHDECO	2x Titan X	2x E5-2630v4	48 GB	2x 1TB SATA 7.2kRPM + 1x 400GB SSD	no
nefgpu10	STARS	4x Titan X	2x E5-2630v4	128 GB	2x 1TB SATA 7.2kRPM + 1x 1.6TB SSD	no
nefgpu11	STARS	4x GTX 1080	2x E5-2630v4	128 GB	2x 1TB SATA 7.2kRPM + 1x 1.6TB SSD	no
nefgpu12	STARS	4x GTX 1080	2x E5-2630v4	128 GB	2x 1TB SATA 7.2kRPM + 1x 1.6TB SSD	yes

Dell R730 GPU node

Dell R730 nodes: dual-Xeon E5-26xx : 1 node ( nefgpu01)

• Tesla K80 GPU cards connected with a PCIe gen3 16x interface
  • 2x Tesla GK210 GPUs per card
  • 4992 CUDA cores per card
  • 2x 12GB RAM capacity per card with ECC
  • Simple precision performance peak: 5.61 Tflops per card
  • Double precision performance peak: 1.87 Tflops per card
  • 2x 240 GB/s GPU memory bandwidth
• 4x gigabit ethernet ports (one connected)
• 1x infiniband QDR card
• hyperthreading not active

Node details

Node name	Funding team	Number of GPU cards	Node CPU	Node RAM	Node storage
nefgpu01	MATHNEURO	1x K80	2x E5-2623v4	32 GB	2x 400GB SSD

 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
• hyperthreading not active

 Carri GPU nodes

Carri HighStation 5600 XLR8 nodes: dual-Xeon X5650 @ 2.66Ghz : 2 nodes ( 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)
• hyperthreading not active

 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
  • 252TiB (08/2016)
    • 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 ; 2 x {36 or 48}TB data: 2 x RAID-6 array 8 x {6 or 8}TB SAS 7.2 kRPM disks
    • 6 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 MD1000) : out of maintenance hardware
  • 1TB RAID-1 for the TROPICS EPI archive