Last modified: October 06 2023.
Contact: hpchelp [at] iitd.ac.in

Hardware Specifications

    Total number of Nodes: 634
    CPU only nodes: 417
    GPU accelerated nodes: 217

    Icelake Nodes (December 2022 onward):
  • Total number of nodes: 32
    CPU nodes: 16 (256GB RAM)
    GPU nodes: 16 (512GB RAM)
    (with two Nvidia A100 card on each GPU node)

  • Basic Configuration:
    GPU: NVIDIA A100 (40GB)
    CPU: 2x Intel Xeon 2680 (32 cores 2.6 GHz) "Icelake"
  • All connected over 200G HDR Infiniband.

  • Skylake Nodes (July, 2019 onward):
  • Total number of nodes: 184
    CPU nodes: 144
    GPU nodes: 40
    (with one Nvidia V100 cards on each GPU node: 17)
    (with two Nvidia V100 card on each GPU node: 23)

  • Basic Configuration:
    GPU: NVIDIA V100 (32GB 5120 CUDA cores)
    CPU: 2x Intel Xeon G-6148 (20 cores 2.4 GHz) "Skylake"
    RAM: 96GB
  • 8 CPU, 40 GPU nodes have 192 GB RAM each



  • Haswell Nodes (November, 2015 onward):
  • Total number of compute nodes: 420
    CPU nodes: 259
    GPU accelerated nodes: 161
  • Basic configuration:
    GPU: 2x NVIDIA K40 (12GB, 2880 CUDA cores)
    [Please contact hpchelp[@]iitd.ac.in]
    CPU: 2x E5-2680 v3 2.5GHz/12-Core "Haswell"
    RAM: 62 GB

  • 12 CPU and 8 GPU nodes have 500 GB RAM each


  • The cluster can be accessed through 4 general login nodes, 2 GPU login nodes.


  • Storage:
    HOME space 1.2 PB
    SCRATCH space 4.5 PB


  • Primary network: Fully non-blocking FDR 56Gbps infiniband. Latency ~700ns.