authorized and redacted by ocean university of china on 4th july, … final contest... · 2017. 8....
TRANSCRIPT
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Authorized and redacted by Ocean University of China on 4th July, 2017 as an example for ASC
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Presentation of
ASC17
Final Competition
Ocean University of China
Team Advisor: Professor Shen Biao
2017-4-28
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3
Team introduction
Cluster building
Application optimization
Summary
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INTRODUCTION
01
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team leader
Marine Science
Liao
JiawenMarine Science
Bai
Zongbao
Atmospheric
Science
Sun
Xiaoshan
Atmospheric
Science
Zhang
JinpeiMarine Science
Yuan Man
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Cluster building
02
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Our cluster
CPU
GPU
CENTOS7.3NVIDIA TESLA P100
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Cluster building
KNL
GPU
GPU
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Performance Optimization of Final Competition Applications
03
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Performance optimization of HPL
the result we submitted was 9.15TFLOPSthe newer result is 20.14TFLOPS
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Performance optimization of HPCG
• There are two sections can be altered: Time and Matrix Size.
• Changing the matrix size can optimize performance.
HPCG.dat
• We should run HPCG on many codes with multiple processes.
• When using ordering “mpirun “ we need to write a hostfile to note the code name.
Hostfile
• sudo nvidia-smi -acp 0
• # allow normal user to set GPU clocks
• sudo nvidia-smi -ac 715,1328
• # set max bost clk for P100 PCIe
Boost clocks
Some others we haven’t try : 1, the function OptimizeProblem() OptimezeData2, to change ComputeSPMV and ComputeSYMGS
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Traffic prediction based paddle
percentage
DREAM
REALITY
difficult in installing many thoughts lack of practice
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MASNUM
Step 1:Find hotspotproagat.inc implstch.inc
Step 2:Using OpenACC accelerate on 64 CPEs
Step 3:Other optimizations arraycompiler options vectorizaton
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0
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10000
12000
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openACC vectorization openACC vectorization openaACC vectorization
propagat implsch total
Tim
e(s
)
MASNUM Optimization Results
2CGs 4CGs 256CGs
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SUMMARY
New field, New learning, New challenge !
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Thank you for your
attention!