System Name Chandra
Site Name TUE-CMS, Indian Institute of Science
Department Solid State and Structural Chemistry Unit
Description The Thematic Unit of Excellence on Computational Materials Science (TUE-CMS) is a specialized unit within the Indian Institute of Science (IISc) for facilitating interdisciplinary research in computational materials sciences (CMS). Its members hail from across several departments of IISc.
City Bangalore
State Karnataka

Vendor IBM/Lenovo (OEM), HCL (Bidder)


Description The 14-node system contains 110 CPU nodes with 128 GB RAM, 12 CPU nodes with 515 GB RAM,  8 GPU nodes with NVidia K40m GPU, 4 Xeon Phi nodes with 7120p Xeon Phi coprocessors, 3 spare nodes for maintaining computational capacity, 3 Management Nodes (2 master and 1 login) and 1 IBM Storage for Diskless nodes with 400 TB DDN GS7K storage with 5 GB/s write throughput and CentOS 7.2.
Network  Infiniband 40Gbps inteconnect with Intel® True Scale Fabric 12800 QDR Infiniband Switch
Node Each computational node has Dual Intel Xeon CPU E5-2670v3 twelve-core processor at 2.3 GHz with CentOS Linux 7.2, 128 GB RAM. Eight of the nodes have dual NVIDIA Kepler K40 GPUs and four of the nodes have dual Intel Xeon Phi coprocessors.
Cooling Closed loop cooling


Description Linpack benchmark on 132 nodes, 3168 CPU cores
Nmax 1043136