H.A.T. Kumara - 11000066H.M.U.S. Gunasinghe - 11002166

M.B.A. Prashan Madumal - 11000333L.G.H.C Nalinda - 11000058

W.A.A.C.P. Weerasooriya-11002192

World’s Fastest SuperComputerTianhe - 2

• Introduction• Fastest Super

Computer• Specifications• Conclusion

Outline

Intr

oduc

tion

What is a SuperComputer?A computer which has the capability to :- •

● Perform complex calculations in the extreme scale.

● Solve a single large problem in the shortest amount of time.

Used for applications● handle very large databases● do a great amount of computation

top5

00.o

rgTop 10 SuperComputers

1. Tianhe-2 : NUDT2. Titan: Cray Inc.3. Sequoia: IBM4. K computer: Fujitsu5. Mira: IBM6. Piz Daint: Cray Inc.7. Stampede: Dell8. JUQUEEN: IBM9. Vulcan: IBM10.Cray CS-Storm: Cray Inc.

top5

00.o

rgTianhe - 2

❏ Also known as Milkiway - 2

❏ No. 1 system since June 2013

❏ Successor of Tianhe - 1A

top5

00.o

rgTianhe - 2

❏ Developed by China’s NUDT and Inspur

❏ Situated in National Supercomputer Center in Guangzhou

❏ Twice faster than the second place finisher Titan

❏ Cost :- 385 million dollars

❏ Occupies 7,750 square feet of space

top5

00.o

rgApplications

❏ Mainly used for ★ Simulation★ Analysis★ Government security

applications

Spec

ifica

tion

Processors and CoresProcessors :32000 Intel Xeon CPUs + 48000 Xeon Phi Coprocessors

Intel® Xeon E5-2692 12C (2.2 Ghz)Number of Cores : 12Number of Threads: 24

Intel® Xeon Phi™ Coprocessor 31S1P (1.1 Ghz)

Number of Cores : 57Memory : 8GB

Total Number of Cores: 3,120,000

Spec

ifica

tion

Processors and Cores❏ In addition it also has 4096 Galaxy

FT-1500 CPUs.

❏ It powers the front-end system and has a SPARC derivative.

❏ Has a Clock Speed of 1.8 Ghz and 16 cores each.

❏ Each chip runs on 65W

Spec

ifica

tion

Interconnect❏ TH Express-2

❏ Specially designed for Tianhe-2

❏ Connects 16,000 compute nodes

❏ Uses Fat tree topology and has 13 switches and 576 ports at the top level

Spec

ifica

tion

Other Specifications

❏ Memory: 1,024,000 GB

❏ Storage : 12.4 PB

❏ OS : Kylin Linux

❏ Compiler : icc❏ MPI : MPICH2 with a customized GLEX

channel

Spec

ifica

tion

Performance

❏ Theoretical peak performance: 54.9

Petaflops

❏ Linpack Performance: 33.862

Petaflops❏ Linpack measures the floating point

computing power of a system.

❏ Front end system has a theoretical performance of 576 Teraflops.

Har

dwar

e Ar

chite

ctur

eCompute Node

Neo - Heterogeneous

❏ Similar ISA, different

ALU

❏ 2 Intel Ivy bridge

CPU + 3 Xeon phi❏ 16 Registered ECC

DDR3 DIMMS, 64 GB

❏ 3 PCI- E 3.0 with 16 lanes

❏ PDP Comm. Port❏ Dual Gigabit LAN

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eI/O Node

Storage System

❏ 256 I/O nodes and 64 storage servers with

12.4 PB capacityI/O Node❏ 12TB SSD❏ Burst I/O bandwidth: 5GB/s❏ PDP Comm. Port❏ IB QDR storage network port

Soft

war

e A

rchi

tect

ure

HPC Software stack

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eCompile SystemProgramming Languages

❏ C/C++/

Fortran❏ OpenMp❏ OpenMc❏ MPI/GA❏ Intel

Offload

Kylin

OS

Focus• High performance• Availability• Security

Hierarchy model• Kernal layer• System layer

Desktop env• Windows

Inte

l MKL

11.

0.0

| Co

mpi

ler

Provides• Linear algebra routines

(LAPACK & BLAS)• Fast fourier transform• Vector math library func:• Random number generation

func:

Compiler• IC Compiler (Intel Inc.)• Fortran, C, C++ & Java

Pow

er a

nd C

oolin

g17.8 MWs (processor, memory, interconnect

network) 24.0 MWs (with Cooling =D)

Customized Liquid Cooling Unit• High Cooling Capacity 80kW

MPI

CH2

+ G

lex

Chan

nel

Performs• Multichannel message data

transfers• Dynamic flow control

ch3 infrastructure• ssm – Socket & Shared

Memory• shm – SHared Memory• sock – tcp/ip sockets

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eParallel ComputingParallel computing is a form of computation in which many calculations are carried out simultaneously

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eClassificationCan be classified according to the at which level the hardware supports parallelism.

Multi-Core

Single Computer

Multi-Processor

Cluster

MPP

Over network

Grid

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eClassification

Cluster

MPP

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eTianhe - 2

China

Cluster Security

Simulation

Questions?THANK YOU