PARAM Siddhi-AI

In 2020, one machine gave India a seat among the world’s 100 fastest computers. Four years later, it’s still getting upgraded.

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PARAM Siddhi-AI

India’s fastest AI-focused supercomputer.

210

AI Petaflops, PARAM Siddhi-AI’s peak AI computing power

2020

Commissioned by C-DAC and Atos under the National Supercomputing Mission

63rd

Global rank on the November 2020 TOP500 list

42

NVIDIA DGX A100 systems powering the machine

2024

C-DAC announces an 8-GPU upgrade to NVIDIA H100 chips

Still current, four years on: Most launch-day rankings age quickly. PARAM Siddhi’s own operators kept investing in it, upgrading its GPUs years after its debut rather than retiring it.

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Must Know

• PARAM Siddhi-AI is India’s fastest AI-focused supercomputer.
• It was developed by C-DAC, in collaboration with Atos, under the National Supercomputing Mission.
• It was commissioned in November 2020.
• Its architecture uses 42 NVIDIA DGX A100 systems, connected through NVIDIA Mellanox HDR InfiniBand networking.
• It reached a peak AI computing capacity of 210 AI Petaflops.

Good to Know

• PARAM Siddhi ranked 63rd on the TOP500 list of the world’s most powerful non-distributed computer systems, released in November 2020.
• Its Rpeak was 5.267 Petaflops, with a sustained Rmax of 4.6 Petaflops.
• It supports application development across computational chemistry, astrophysics, and drug design. It also powers flood forecasting for flood-prone cities.
• The National Supercomputing Mission is jointly run by the Department of Science and Technology and the Ministry of Electronics and Information Technology.
• In September 2024, C-DAC floated a tender to add 8 NVIDIA H100 GPUs to the system, a major planned upgrade.

Test Yourself

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1. What is PARAM Siddhi-AI?

India’s fastest AI-focused supercomputer, commissioned in 2020

India’s first general-purpose supercomputer, built in 1991

A quantum computing research facility

A satellite navigation system

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Great to Know

• Don’t confuse PARAM Siddhi with India’s original PARAM programme. PARAM 8000, built by C-DAC in 1991 under Vijay Bhatkar, was India’s first supercomputer. It’s a completely different, much earlier machine.
• The H100 upgrade matters for a real reason. H100 GPUs train and run AI models dramatically faster than the older A100 chips. That gap matters most for large language models.
• PARAM Siddhi is officially part of a combined system called PARAM Siddhi-AI (PSAI). That name reflects its specific AI-computing focus, distinct from India’s other general-purpose HPC supercomputers.