• SUPER COMPUTERS Top 10 positions  in November 2015

Rank	Rmax Rpeak (PFLOPS)	Name	Computer design Processor type, interconnect	Vendor	Site Country, year	Operating system
1	33.863 54.902	Tianhe-2	NUDT Xeon E5–2692 + Xeon Phi 31S1P, TH Express-2	NUDT	National Supercomputing Center in Guangzhou   China, 2013	Linux (Kylin)
2	17.590 27.113	Titan	Cray XK7 Opteron 6274 + Tesla K20X, Cray Gemini Interconnect	Cray Inc.	Oak Ridge National Laboratory   United States, 2012	Linux (CLE, SLESbased)
3	17.173 20.133	Sequoia	Blue Gene/Q PowerPC A2, Custom	IBM	Lawrence Livermore National Laboratory   United States, 2013	Linux (RHEL and CNK)
4	10.510 11.280	K computer	RIKEN SPARC64 VIIIfx, Tofu	Fujitsu	RIKEN   Japan, 2011	Linux
5	8.586 10.066	Mira	Blue Gene/Q PowerPC A2, Custom	IBM	Argonne National Laboratory   United States, 2013	Linux (RHEL and CNK)
6	8.101 11.079	Trinity	Cray XC40 Xeon E5-2698v3, Cray Aries Interconnect	Cray Inc.	DOE/NNSA/LANL/SNL  United States, 2015	Linux (CLE)
7	6.271 7.779	Piz Daint	Cray XC30 Xeon E5–2670 + Tesla K20X, Aries	Cray Inc.	Swiss National Supercomputing Centre    Switzerland, 2013	Linux (CLE)
8	5.640 7.404	Hazel Hen	Cray XC40 Xeon E5-2680v3, Cray Aries Interconnect	Cray Inc.	HLRS - Höchstleistungsrechenzentrum, Stuttgart  Germany, 2015	Linux (CLE)
9	5.537 7.235	Shaheen II	Cray XC40 Xeon E5–2698v3, Aries	Cray Inc.	King Abdullah University of Science and Technology   Saudi Arabia, 2015	Linux (CLE)
10	5.168 8.520	Stampede	PowerEdge C8220 Xeon E5–2680 + Xeon Phi, Infiniband	Dell	Texas Advanced Computing Center   United States, 2013	Linux (CentOS)[13]