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)
61 Tata Consultancy Services,Bangalore
System: 176 Nodes, 2816 Cores, 4.2TB Total nodes Memory, Gluster Parallel file system, with 88TB Usable storage Space.
Processor Socket: Intel Xeon E5-2680v3 @2.5 GHz dual twelve-core compute nodes) w/Infiniband
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OEM:IBM, Bidder:Lenovo
2688/2/112
86.09 107.52
62 SCS NISER Bhubaneswar,Bhubaneswar
System: Dirac HPC with 32 nodes. Each node is having 64 cores and 384GB RAM(AMD EPYC 9554 64-Core Processor)
Processor Socket: AMD EPYC 9554 64-Core Processor
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OEM:Tyrone systems, Bidder:Netweb
2048/1/32
81.58 101.67
63 Inter-University Centre for Astronomy and Astrophysics (IUCAA),Pune
System: Two numbers of Apollo k6000 Chassis, each having 24 * ProLiant XL230k Gen10 compute node with dual CPUs (Intel(R) Xeon(R) Gold 6142 CPU @ 2.60GHz ) running Scientific Linux Operating System Version 7.5, and connected by 10 G ETH.
Processor Socket: Intel(R) Xeon(R) Gold 6142 CPU @ 2.60GHz ) running Scientific Linux Operating System Version 7.5, and connected by 10 G ETH.
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OEM:HPE, Bidder:Concept
1536//
80.06 127.97
64 Jawaharlal Nehru Centre for Advanced Scientific Research,Bangalore
System: The HPC-cluster at JNCASR contains 2 master nodes ,1 login node , 108 compute nodes,1 spare node , 1 iml server, 3 GPU nodes, 2 lustre MDS nodes, 2 lustre OSS nodes with 200TB of usable PFS storage configured using NetApp E5500 - hardware RAID storage array with dual controllers each with 12GB Cache and dual port IB interfaces and 168 x 2TB 7.2K RPM NL-SAS disk drives.
Processor Socket: Intel Xeon E5-2680v3 @ 2.5 GHz dual twelve-core processor nodes) w/Infiniband
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OEM:Lenovo/IBM, Bidder:Wipro
2592/2/
77.13 103.68
65 Indian Institute of Technology, Madras,Chennai
System: The Virgo cluster is a IBM System x iDataPlex cluster with 292 dx360 M4 Server Intel Xeon Processor E5-2670 based nodes as Compute Nodes, 4672 cores, with SLES 11 SP2 OS, 19.13 Terabytes of total memory, w/Infiniband FDR, fully non-blocking FAT tree. 150 TB Usable Capacity Storage based on IBM General Parallel File System over 2 x IBM DS3534 Storage System. The cluster also has 2 master nodes and 4 storage nodes based on Intel Xeon Processor E5-2670 processors with 65 GB memory per node. The storage nodes are based on IBM DS3524 Dual Controller Storage Subsystem.
Processor Socket: Intel(R) Xeon(R) CPU E5-2670 @ 2.6 GHz dual octo-core processor nodes w/Infiniband
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OEM:IBM, Bidder:SBA
4672/2/
75.5 97.2
66 IIT,Jodhpur
System: Lenovo ThinkSystem 20x SR645, 2 x AMD EPYC 7742 2.25GHz, 64C, 16 x 16GB DDR4 3200MHz, 2 x 480GB SSD, 100G Mellanox IB Adapter, Redundant Power supply, 400TB IBM Spectrum Scale PFS
Processor Socket: 2
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OEM:Lenovo, Bidder:Access Data Systems
2560//20
71.09 92.16
67 National Institute of Technology(NIT),Calicut
System: 31 number lenovo SR630 each with dual Intel Xeon 6248 20C processor and 2 number lenovo SR650 each with dual Intel Xeon 6248 20C processor and dual Nvidia V100 32GB GPU1320 cores HPC Cluster build over Lenovo servers
Processor Socket: each with dual Intel Xeon 6248 20C processor and 2 number lenovo SR650 each with dual Intel Xeon 6248 20C processor and dual Nvidia V100 32GB GPU1320 cores HPC Cluster build over Lenovo servers
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OEM:Locuz, Bidder:
1280//
69 102
68 IISC,Bangalore
System: GIGABYTE R182-Z90 with 2 Nos x AMD EPYC 7702 64-core 2.0GHz, 32x 32GB DDR4 2933MHz ECC
Processor Socket: 2
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OEM:GIGABYTE, Bidder:Micropoint
1536/2/12
69 99
69 C-DAC,Pune,
System: 100TF HPC system based on the A64FX ARM processor, Mellanox HDR as an interconnect with C-DAC HPC Software stack. This system is designed and implemented by the HPC Technologies Group at C-DAC Pune under National Super Computing Mission (NSM)
Processor Socket: Mellanox 100Gbps InfiniBand Switch for Primary communication
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OEM:HPE, Bidder:SS Information Systems Pvt Ltd .
720//16
68.5 105
70 Aeronautical Development Agency, DRDO,Bangalore
System: Fujitsu Cluster PRIMERGY CX250 S2 cluster based on Dual Intel Xeon E5-2697 V2 twelve core processor at 2.7 GHz w/Infiniband FDR, fully non-blocking FAT tree. Total memory of 12.28 TB, and total storage 150 TB based on IBRIX-Parallel File System. Connected by Mellanox Infiniband system.
Processor Socket: Intel Xeon E5-2697v2 @ 2.7 GHz dual twelve-core compute nodes) w/ Mellanox FDR Infiniband
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OEM:Fujitsu, Bidder:TATA Elxi
3072/2/
60.55 66.35