India’s supercomputing prowess moved up several notches Monday after it unveiled Pratyush, an array of computers that can deliver a peak power of 6.8 petaflops. One petaflop is a million billion floating point operations per second and is a reflection of the computing capacity of a system.

Pratyush, which was inaugurated by the Union Minister for Earth Sciences Dr.Harsh Vardhan, is located at the Indian Institute of Tropical Meteorology (IITM) in Pune.

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Pratyush is the first Petaflop Supercomputer developed by India. Pratyush an array of computers that can deliver a peak power of 6.8 petaflops. Pratyush is the fourth fastest supercomputer in the world dedicated for weather and climate research, and follows machines in Japan, USA and the United Kingdom. It will also move an Indian supercomputer from the 300s to the 30s in the Top500 list, a respected international tracker of the world’s fastest supercomputers.

Pratyush is expected to add significantly to the nation’s capacity in weather forecasting and climate monitoring and takes India to the fourth position – only behind the UK, Japan, and the USA in terms of dedicated high powered computing resources for weather and climate monitoring. Pratyush, which is essentially an array of computers, draws 4 Petaflops of it’s peak power from IITM, Pune, and the remaining 2.8 Petaflops come from the National Centre for Medium-Range Weather Forecast (NCMRWF) at Noida.

Introduction of Pratyush, which cost the taxpayers over Rs. 450 crores, is expected to predict extreme weather events and droughts. Additionally, it will also be able to provide more accurate cyclone forecast as well.

“As a result of added computing power, the number of farmers who receive weather information through text messages is expected to increase from 24 million at present to 45 million by 2019,” said Union Minister Harsh Vardhan to Economic Times.

“MoES has been trying to scale down the weather forecast, which is presently given at district level, to block level. “With the help of Pratyush, the block level forecast will be possible in another one year. The forecast of next monsoon will also get better,” added the minister.

press release by IITM(INDIAN INSTITUTE OF TROPICAL METEOROLOGY)

http://www.tropmet.res.in/other-pdfs/HPC_press-release-8Jan2018.pdf

Top 10 positions of the 50th TOP500 in November 2017

Rank Rmax

Rpeak

(PFLOPS) Name Model Processor Interconnect Vendor Site

country, year Operating system 1 93.015

125.436 Sunway TaihuLight Sunway MPP SW26010 Sunway NRCPC National Supercomputing Center in Wuxi

Linux (Raise) 2 33.863

54.902 Tianhe-2 TH-IVB-FEP Xeon E5–2692, Xeon Phi 31S1P TH Express-2 NUDT National Supercomputing Center in Guangzhou

Linux (Kylin) 3 19.590

25.326 Piz Daint Cray XC50 Xeon E5-2690v3, Tesla P100 Aries Cray Swiss National Supercomputing Centre

Linux (CLE) 4 19.136

28.192 Gyoukou ZettaScaler-2.2 HPC system Xeon D-1571, PEZY-SC2 Infiniband EDR ExaScaler Japan Agency for Marine-Earth Science and Technology

Linux (CentOS) 5 17.590

27.113 Titan Cray XK7 Opteron 6274, Tesla K20X Gemini Cray Oak Ridge National Laboratory

Linux (CLE, SLES based) 6 17.173

20.133 Sequoia Blue Gene/Q A2 Custom IBM Lawrence Livermore National Laboratory

Linux (RHEL and CNK) 7 14.137

43.902 Trinity Cray XC40 Xeon E5–2698v3, Xeon Phi Aries Cray Los Alamos National Laboratory

Linux (CLE) 8 14.015

27.881 Cori Cray XC40 Xeon Phi 7250 Aries Cray National Energy Research Scientific Computing Center

Linux (CLE) 9 13.555

24.914 Oakforest-PACS Fujitsu Xeon Phi 7250 Intel Omni-Path Fujitsu Kashiwa, Joint Center for Advanced High Performance Computing

Linux 10 10.510

11.280 K computer Fujitsu SPARC64 VIIIfx Tofu Fujitsu Riken, Advanced Institute for Computational Science (AICS)

Linux

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