LIGO Data Analysis System (LDAS) @IUCAA

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Sarathi Cluster at Inter-University Center for Astronomy & Astrophysics (IUCAA) Pune, INDIA, hosts 249 Compute nodes offering a theorital peak performance of ~535TFlops. This cluster is set up primarily for Gravitational Wave research at IUCAA, its collaborating research institute and the Indian Universities.

A summary of hardware resources is given in the following table.

Service Nodes
Login node1 ldas-grid.gw.iucaa.in 2 Intel Xeon E5-2680-v3 (12C), 256 GB RAM
Login node2 ldas-pcdev1.gw.iucaa.in 2 Intel Xeon E5-2680-v3 (12C), 256 GB RAM
Login node3 ldas-pcdev2.gw.iucaa.in 2 Intel Xeon Gold 6142 (16C), 192 GB RAM
Login node4 ldas-osg.gw.iucaa.in 1 Intel Xeon E5-2609 (4C), 32 GB RAM
Phase I
Compute nodes cn1001-cn1100 2 Intel Xeon E5-2680-v3 (12C), 256 GB RAM (20 nodes), 128 GB (80 nodes)
GPU nodes gpu001-gpu005 2 Intel Xeon E5-2680-v3 (12C), 256 GB RAM, 2 Nvidia Tesla K40m per node (5 nodes)
Phase II
Compute nodes cn2001-cn2048 2 Intel Xeon Gold 6142 (16C), 192 GB RAM (48 nodes)
Phase III
Compute nodes cn3001-cn3096 2 Intel Xeon Gold 6248 (20C), 384 GB RAM (96 nodes)
Storage All nodes 240 TB (NAS), Each node with 200 GB SSD + 600 GB Spinning disk
Network Cluster internal 1G and 10G (cn1001-cn1100, cn2001-cn2048, gpu001-gpu005), 50G (cn3001-3096)