Supercomputers/Systems/PARAM Yukti
India · operational · hpc
PARAM Yukti
Operated by JNCASR .
Researched with AI assistance, checked by scripts. These rows were researched by AI agents reading public operator, laboratory and vendor sources, appended by scripts and checked by automated validation; no subject-matter expert has reviewed them (how this site is made). A mechanical second-reader pass has since fetched every cited source: 1350 of 1540 systems have a readable citation that names them, and 64 are genuinely weakly sourced. Every claim carries its source and a confidence tier. Treat anything below verified as a lead, not a citation.
Measured performance
- Rmax
- -
- Rpeak
- 1.80 PFlop/s
- Rmax ÷ Rpeak
- -
- Cores
- -
- Power
- -
- Per watt
- - GF/W
Figures are as last publicly reported for the configuration described below, not a live measurement. Where a system was upgraded in place, the post-upgrade configuration is shown and the earlier one appears in the timeline.
What this machine is made of
One row per supplier relationship. “Supplier at build” is the company that shipped the part at the time; where that company has since been acquired, the parent it rolls up to today is shown beside it. That distinction is what makes ticker-level aggregation possible across a thirty-year dataset.
| Role | Part | Supplier at build | Quantity | Confidence | Source |
|---|---|---|---|---|---|
| Integrator | - Designed and commissioned by C-DAC for JNCASR, Bangalore | C-DAC | - | Reported | nsmindia.in |
| Accelerator | NVIDIA Tesla V100 Accelerators CUDA (Volta GV100) · 5,120C · 1.53 GHz · 12 nm · 300 W 42 GPU nodes: 32 with 4 x NVIDIA V100 SXM2, 10 with 2 x V100 SXM2 | NVIDIA | 148 reported | Reported | nsmindia.in |
| CPU | - 2 x Intel Xeon Cascade Lake 8268 24C 2.9GHz per CPU node; 2 x Xeon Skylake 6248 20C per GPU node | Intel | - | Reported | nsmindia.in |
| Interconnect | NVIDIA InfiniBand HDR Interconnect Fat tree or dragonfly+ · 200 Gb/s per port · About 0.6 microseconds 100Gbps Mellanox InfiniBand (HDR100) fat tree | NVIDIA | - | Reported | nsmindia.in |
The read
C-DAC-designed National Supercomputing Mission machine for JNCASR in Bangalore, rated 1.8 PFlop/s peak on the NSM page. It is the GPU-heavier member of the Cascade Lake and V100 NSM family: 75 CPU-only nodes and 39 high-memory (768 GB) nodes with dual Xeon 8268, plus 42 GPU nodes with dual Xeon 6248, of which 32 carry four V100 SXM2 cards and 10 carry two, i.e. 148 V100 GPUs by the NSM sheet. Memory is listed as 52.416 TB, interconnect as 100 Gb/s Mellanox InfiniBand (HDR100) in a non-blocking fat tree, and storage as 1 PiB of parallel file system. The page gives no commissioning date and no Linpack result. Compare the 838 TF sibling param-ananta.
Timeline
No dated events recorded.
Change history
- 2026-10-18 Added PARAM Yukti (JNCASR)
Further reading
Operating a supercomputer
Acceptance testing, why "installed" and "in production" are six months apart, and the machine lifecycle.
Inside a node
Latency-optimised versus throughput-optimised processors, NUMA, and the end of the host-to-device copy.
The interconnect
Topologies, why latency and tail behaviour matter more than bandwidth, and how the fabric market consolidated.