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Harshavardhan Kada
Collaborizm Award Winner for Inspiring Project Leader of the Week (Project Leader)
 · BengaluruIndia
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INSPIRATION

NASA Advanced Supercomputing Division

PLEIADES Supercomputer

Pleiades, one of the world’s most powerful supercomputers, represents NASA’s state-of-the-art technology for meeting the agency’s supercomputing requirements, enabling NASA scientists and engineers to conduct modeling and simulation for NASA missions. This distributed-memory SGI ICE cluster is connected with InfiniBand® in a dual-plane hypercube technology.

The system contains the following types of Intel Xeon processors: E5-2680v4 (Broadwell), E5-2680v3 (Haswell), E5-2680v2 (Ivy Bridge), E5-2670 (Sandy Bridge), and X5670 (Westmere). Pleiades is named after the astronomical open star cluster of the same name.

SYSTEM ARCHITECTURE :-
Manufacturer: SGI
161 racks (11,296 nodes)
6.28 Pflop/s peak cluster
4.09 Pflop/s LINPACK rating (#13 on November 2015 TOP500 list)
132 Tflop/s HPCG rating (#7 on November 2015 HPCG list)
Total CPU cores: 227,808
Total memory: 828 TB
4 racks (128 nodes total) enhanced with NVIDIA graphics processing units (GPUs)
217,088 CUDA cores
0.317 Pflop/s total
1 rack (32 nodes total) enhanced with Intel Xeon Phi co-processors (MICs)
3,840 MIC cores
0.064 Pflop/s total

INTERCONNECTIONS :-
Internode: InfiniBand®, with all nodes connected in a partial hypercube topology
Two independent InfiniBand® fabrics
InfiniBand® DDR, QDR and FDR
Gigabit Ethernet management network

STORAGE :-
SGI® InfiniteStorage NEXIS 9000 home filesystem
29 PB of RAID disk storage configured over several cluster-wide Lustre filesystems
Operating Environment
Operating system: SUSE® Linux®
Job scheduler: Altair PBS Professional®
Compilers: Intel and GNU C, C++ and Fortran
MPI: SGI MPT, MVAPICH2, Intel MPI

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