OpenACC Highlights - March
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March 2017 OPENACC MONTHLY HIGHLIGHTS
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Transcript of OpenACC Highlights - March
March 2017
OPENACC MONTHLY HIGHLIGHTS
OpenACC is a directives-based programming approach to parallel computing designed for performance and portability on CPUs and GPUs.
PERFORMANCE PORTABLE PROGRAMMING MODEL FOR HPC
Powerful
LSDALTONSimulation of molecular energies
CPU GPU
1.0x
11.7x
Big PerformanceCCSD(T) Module, Alanine-3
Titan System: AMD CPU vs Tesla K20X
Spe
edup
vs
CP
U
Simple Portable
main() {
<serial code>
#pragma acc kernels
{
<parallel code>
}
}
Add Simple Compiler Hint ARM
PEZYPOWERSunwayx86 CPU
x86 Xeon PhiNVIDIA GPU
Quicker Development
Lines of Code Modified
<100 Lines
# of Weeks Required
1 Week
Learn what’s new with OpenACC this month
OPENACC IN ACTION AT GTC 201720 Talks
COMPLETE SCHEDULE
4 Tutorials 6 Posters 1 User Group Meeting
Featured Talks LinkOpenACC Best Practices: Accelerating the C++ NUMECA FINE/Open CFD Solver
Read More
Achieving Portable Performance for GTC-P with OpenACC on GPU, Multi-Core CPU, and Sunway Many-Core Processor
Read more
GPUs Unleashed: Analysis of Petascale Molecular Simulations with VMD
Read more
Ocean Circulation on GPUs Read more
RESOURCES
Paper: An MPI/OpenACC Implementation of a High-Order Electromagnetics Solver with GPUDirect Communication“Performance results using up to 16,384 GPUs of the Cray XK7 supercomputer Titan show more than 2.5× speedup over CPU-only performance on the same number of nodes (262,144 MPI ranks) for problem sizes of up to 6.9 billion grid points.”
DOWNLOAD NOW
Tutorial: Michael Wolfe’s newest tutorial video Asynchronous Data Transfers and Pinned Memory with OpenACC
WATCH NOW
Fernanda Foertter from ORNL describes how GPU Hackathons are helping scientists bring HPC to their applications. Read more>
ARTICLES AND BLOG POSTS
Share Your Science Video Interview: Researchers at University of Michigan are using GPUs and OpenACC to accelerate the codes for their data-driven physics simulations. Read more>
Juelich GPU Hackathon Blog. Read more>
KAUST Hackathon results are in! Read more>
CALL FOR PAPERS
EVENT DUE DATE LINK
2nd International Workshop on Performance Portable Programming Models for Accelerators
April 3, 2017 http://www.csm.ornl.gov/workshops/p3ma2017/
NASA GPU Hackathon May 31, 2017 https://www.olcf.ornl.gov/training-event/2017-gpu-hackathons/
UPCOMING EVENTSEVENT & LOCATION DATE LINK
XSEDE OpenACC Workshop, 15 sites in USA March 30, 2017 https://www.psc.edu/136-users/trainin
g/2529-xsede-hpc-workshop-march-30-2017-openaccBrookhaven National
Laboratory, Upton, NY June 5 - 9, 2017 https://www.bnl.gov/gpuhackathon/.
OpenACC User Group Meeting, GTC, San Jose, CA May 8, 2017 https://www.eventbrite.com/e/second-
openacc-user-group-meeting-gtc2017-tickets-32863873731
2nd P3MA Workshop ISC, Frankfurt, Germany June 22, 2017 http://www.csm.ornl.gov/workshops/p
3ma2017/
NASA GPU Hackathon Aug 21 - 25, 2017 https://www.olcf.ornl.gov/training-event/2017-gpu-hackathons
