SYSTEM NAME Cumulus Cirrus  Aurora  Fuji Stratus
Corona
Hostname cumulus.acrc.a-star.edu.sg cirrus.acrc.a-star.edu.sg  aurora.acrc.a-star.edu.sg  fuji.acrc.a-star.edu.sg
stratus.acrc.a-star.edu.sg
 
 corona.acrc.a-star.edu.sg
Brand / Model IBM Bluegene/Q IBM P755 SGI Altix UV 1000  Fujitsu BX900  SGI ICE XA
Fujitsu PRIMERGY CX2560 M4
CPU PLATFORM & GHZ IBM PowerPC A2 @
1.6Ghz 
IBM Power7 @ 3.3GHz  Intel Xeon X7542 @ 2.67GHz  Intel Xeon 5570 @ 2.93 Ghz  64 cores @ 1.3 Ghz Intel Knights Landing (KNL) PHI 7210
Intel Xeon Gold 6148 40-Cores @ 2.40 GHz
SYSTEM ARCHITECTURE custom
 cluster SMP  cluster   cluster  cluster
OPERATING SYSTEM Linux  Linux Linux  Linux Linux  Linux
OS DISTRIBUTION
RHEL
 Centos SLES  RHEL  RHEL  RHEL
NUMBER OF NODES 512 (Compute Card) 23 1 58 144
 36
CORES PER NODE
16
 32 1456 8
64
 40
TOTAL CPU NUMBER 8192 736 1456 3888   9216  1440
MEMORY PER NODE (GB)
16
128  8000 24
 192  192
TOTAL MEMORY (GB) 8192 2944 15433  11664   27648  6912
TOTAL SHARED DISK (TB)
117 Scratch
24 Scratch  20 Scratch  15 Scratch   2100 Scatch  145 Scatch
INTERCONNECT IB Switch with 5D Torus
-  NUMALink 5 IB QDR  EDR IB 100Gbps
 EDR IB 100Gbps
COMPILERS
IBM XL Compiler
C, C++ Fortran, GCC C, C++ Fortran, UPC   C, C++ Fortran Intel  Intel,GCC
SCHEDULERS SLURM SLURM  Platform LSF  Platform LSF   PBS Pro PBS Pro
MATH LIBRARIES
ESSL
 OpenBLAS, FFTW  MKL, SGI Propack  ESL, MKL  MKL Intel MKL