December2025

Following is the ranking of the systems in terms of Rmax (Linpack Benchmark performance).

  • C - CPUs, G-GPUs, ICO - Intel Co-processors. Cores (4th column) that are not qualified with C/G/ICO refer to CPUs.
  • OEM - Original Equipment Manufacturer, SI - System Integrator.
Rank Site System Core/Processor/Socket/Nodes Rmax (TFlops) Rpeak (TFlops)
1 Center for Development of Advanced Computing (C-DAC),PUNE
System: AIRAWAT - PSAI is a NVIDIA DGX A100, AMD EPYC 7742 64C 2.25GHZ, NVIDIA A100, INFINIBAND HDR
Processor Socket: 2
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OEM:NVIDIA, Bidder:Netweb
81344/2/82
8500 13176
2 Indian Institute of Tropical Meteorology(IITM),Pune
System: Arka - BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux
Processor Socket: 2
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OEM:EVIDEN, Bidder:EVIDEN
290016/2/3021
8280.72 10610.8
3 National Centre for Medium Range Weather Forecasting (NCMRWF),Noida,Noida
System: Arunika - BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux, 2115 Nodes and 203,040 cores
Processor Socket: 2
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OEM:EVIDEN, Bidder:EVIDEN
203040/2/2115
5960 7400
4 Indian Institute of Tropical Meteorology(IITM),Pune
System: Cray XC-40 class system with 3315 CPU-only (Intel Xeon Broadwell E5-2695 v4 CPU ) nodes with Cray Linux environment as OS, and connected by Cray Aries interconnect. Total storage of 10.686 PB using Lustre Parallel file system ( Sonexion ) and 30 PB archive tier.
Processor Socket: Intel Xeon Broadwell E5-2695 v4 CPU ) nodes with Cray Linux environment as OS, and connected by Cray Aries interconnect.
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OEM:Cray, Bidder:Cray
119232//3315
3763.9 4006.19
5 Indian Institute of Tropical Meteorology(IITM),Pune
System: Arka AI/ML - BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux
Processor Socket: 56
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OEM:EVIDEN, Bidder:EVIDEN
8176/2/7
2700 3750
6 National Centre for Medium Range Weather Forecasting (NCMRWF),Noida
System:
Processor Socket: Intel Xeon Broadwell E5-2695 v4 CPU ) nodes with Cray Linux environment as OS, and connected by Cray Aries interconnect
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OEM:Cray, Bidder:Cray
83592/2/2612
2570.4 2808.7
7 PARAM Pravega,IISc,Bangalore
System: The PARAM Pravega is a heterogeneous and hybrid configuration of Intel Xeon Cascade Lake processors,NVIDIA Tesla V100 with NVLink, Mellanox HDR interconnect with C-DAC HPC Software stack having peak capacity of 3.3 PetaFlops.This system is designed and implemented by the HPC Technologies Group, C-DAC at IISc Bangalore under National Super Computing Mission (NSM)
Processor Socket: 2
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OEM:ATOS, Bidder:ATOS
29952/2/624
1702 2565
8 PARAM Rudra IUAC New Delhi,Delhi
System: The PARAM Rudra is built with indigenously developed Rudra servers by C-DAC. It is a heterogeneous and hybrid configuration of Intel Xeon Cascade Lake 2nd Gen processors, NVIDIA Tesla A100 80GB, Mellanox HDR interconnect with C-DAC HPC Software stack having peak capacity of 3.1 PF. This system is designed and implemented by the HPC Technologies Group, C-DAC - Pune at IUAC Delhi under NSM.
Processor Socket: 2
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OEM:CDAC, Bidder:NA
28752/2/599
1342.13 2123.13
9 PARAM Rudra IIT Bombay,Mumbai
System: The PARAM Rudra is built with indigenously developed Rudra servers by C-DAC. It is a heterogeneous and hybrid configuration of Intel Xeon Cascade Lake 2nd Gen processors, NVIDIA A100 80GB, Mellanox HDR interconnect with C-DAC HPC Software stack having peak capacity of 3.1 PF. This system is designed and implemented by the HPC Tech Group, C-DAC at IIT Bombay.
Processor Socket: 2
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OEM:C-DAC, Bidder:NA
28896/2/602
1230.9 1887.23
10 PARAM Rudra IIT Madras,Chennai
System: PARAM Rudra is built using indigenously developed Rudra servers by C-DAC. It features a heterogeneous, hybrid setup with Intel Xeon Cascade Lake processors, NVIDIA A100 80GB GPUs with 512 nodes each 48 cores,192GB and Mellanox HDR interconnect. With C-DAC’s HPC software stack, it delivers a peak performance of 3.1 PF at IIT Madras
Processor Socket: 2
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OEM:CDAC, Bidder:NA
24576/2/512
1229 1887