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Operating System

Internal Network

File system

Backup

RHEL 6.3

QDR Infiniband (40Gb/s)

400 TB shared GPFS

TSM

Nodes

Node GroupResources Per NodeTotals Per Group

Name

Nodes

CPUs

ArchitectureSpeed
(GHz)

CPU
cores

Coprocessors
/ GPUs 

Memory
(GB)

CPU
cores

Coprocessor
cores

a

76

2 x Intel X5660

Westmere-EP2.8

12

 

96

912

 

b, c, d, e

236

2 x Intel E5-2680

Sandy Bridge2.7

16

 

128

3776

 

c, e212 xIvy Bridge2.724 256504 
c, e212 xIvy Bridge2.724 128504 

bigmem-001,003,004

3

4 x Intel E7530

Nehalem1.87

24

 

512

72

 

bigmem 00212 x Intel E7-2870Westmere-EX2.420 51220 

GPGPU a,b

12

2 x Intel X5660

Westmere-EP2.8

12

2 x NVIDIA M2090

96

144

12,288 (Fermi)

GPGPU c

4

2 x Intel E5-2680

Sandy Bridge2.7

16

2 x NVIDIA M2090  

128

64

4096 (Fermi)

GPGPU d

5

2 x Intel E5-2680

Sandy Bridge2.7

16

2 x NVIDIA K20X

128

80

24,960 (Kepler)

Phi

2

2 x Intel E5-2680

Sandy Bridge2.7

16

2 x Intel 5110P

128

32

240 (Phi)

UoA chem-001

1

4 x Intel E7-4870 

Westmere-EX2.4

40

 

512

40

 

UoA stats-00111 x Intel E7-4850Westmere-EX2.040 51240 
UoA stats-002-0054

2 x Intel E5-2680

Sandy Bridge2.7

16

 

128

64

 

UoA cs-0011

2 x Intel E5-2680

Sandy Bridge2.7

16

 

128

16

 

UoA CS GPGPU

1

2 x Intel X5660

Westmere-EP2.8

12

2 x NVIDIA M2090  

96

12

1024 (Fermi)

UoA FMHS (e-41,e-42)4

2 x Intel E5-2680

Sandy Bridge2.7

16

 

128

64

 

Node groups in grey are prioritised for their respective departments but may allow short jobs from others.

Node Features

SLURM Jobs are allocated on appropriate nodes as determined by the memory and CPU requirements of the job, and optionally also by the  --constraint (or -C) option:

SLURM "feature" specified with -CMeaning
wmWestmere, an older Intel micro-architecture.
sbSandy Bridge. Newer than Westmere and includes AVX instructions
ibIvy Bridge. Newer still, but fairly similar to Sandy Bridge.
avxAny nodes which support the AVX instruction set, i.e.: sb or ib 
fermiOlder NVIDIA GPU. --gres:gpu is also required.
keplerNewer NVIDIA GPU. --gres:gpu is also required.
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