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Discovery
General Info
Sponsors	U.S. Department of Energy
Operators	Oak Ridge National Laboratory
Introduction	2025
Peak FLOPS	2-4 exaFLOPS
Succession
Frontier OLCF-7

OLCF-6 (Discovery) is the successor to Frontier, a planned exascale supercomputer that will be operated by the DoE ORNL (Oak Ridge National Laboratory). Discovery is expected to go into operation in the 2024-2026 timeframe and will feature a peak performance of 2 to 4 exaFLOPS.

Models

Supercomputers • ORNL • DoE

• OLCF-1 (Phoenix) • 2004
• OLCF-2 (Jaguar) • 2005/2009
• OLCF-3 (Titan) • 2012
• OLCF-4 (Summit) • 2018 ° 2025/06 (20) ^
• OLCF-5 (Frontier) • 2021 ° 2025/06 (2) ^ (TOP2!)
• OLCF-6 (Discovery) • 2025 (?)
• OLCF-7 (?) • 2026 (?)

History

Discovery is part of Oak Ridge 10-year facility plan. Expected to be delivered around the 2024-2026 timeframe, the system will have around 2 to 4 exaFLOPS.

TOP500

• Oak Ridge National Laboratory (ORNL)

DOE/SC/Oak Ridge National Laboratory
URL:	http://computing.ornl.gov
Segment	Research
City:	Oak Ridge
Country/Region:	United States

System	Year	Vendor	• Cores	• Rmax (GFlop/s) • Rpeak (GFlop/s)

*Discovery (OLCF-6) - HPE
:2025
*Frontier (OLCF-5) - HPE Cray EX235a, AMD Optimized 3rd Generation 
:EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11, HPE Cray OS	
:2021	HPE	• 9,066,176	• 1,353,000,000 	• 2,055,716,990
*Frontier (TDS) - HPE Cray EX235a, AMD Optimized 3rd Generation 
:EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11	
:2021	HPE	• 120,832	•19,200,000     	• 23,105,540
*Summit (OLCF-4) - IBM Power System AC922, IBM POWER9 22C 3.07GHz, 
:NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband	
:2018	IBM	• 2,414,592	• 148,600,000   	• 200,794,880
*Titan - Cray XK7, Opteron 6274 16C 2.200GHz, Cray Gemini interconnect, NVIDIA K20x	
:2012 Cray/HPE	• 560,640	• 17,590,000    	• 27,112,550
*Jaguar - Cray XK6, Opteron 6274 16C 2.200GHz, Cray Gemini interconnect, NVIDIA 2090	
:2009 Cray/HPE	• 298,592	• 1,941,000     	• 2,627,600
*Jaguar - Cray XT5 QC 2.3 GHz	
:2008	Cray/HPE	• 150,152	• 1,059,000	• 1,381,400
*Jaguar - Cray XT4 QuadCore 2.1 GHz	
:2008	Cray/HPE	• 30,976	• 205,000	• 260,200
*Jaguar - Cray XT4/XT3	
:2006	Cray/HPE	• 23,016	• 101,700	• 119,350
*Jaguar - Cray XT3, 2.6 GHz Dual Core	
:2006	Cray/HPE	• 10,424	• 43,480	• 54,204
*Jaguar - Cray XT3, 2.4 GHz	
:2005	Cray/HPE	• 5,200  	• 20,527	• 24,960
*Phoenix - Cray X1E (2GB)	
:2005	Cray/HPE	• 1,014  	• 14,955	• 18,333