Learn about OpenACC at GTC 2017, tutorials, articles, and upcoming events happening in March.

1. March 2017
OPENACC MONTHLY
HIGHLIGHTS

2. OpenACC is a directives-
based programming
approach to parallel
computing designed for
performance and portability
on CPUs and GPUs.

3. PERFORMANCE PORTABLE PROGRAMMING MODEL FOR HPC
Powerful
LSDALTON
Simulation of molecular energies
1.0x
11.7x
CPU GPU
Big Performance
CCSD(T) Module, Alanine-3
Titan System: AMD CPU vs Tesla K20X
SpeedupvsCPU
Simple Portable
main()
{
<serial code>
#pragma acc kernels
{
<parallel code>
}
}
Add Simple Compiler Hint ARM
PEZY
POWER
Sunway
x86 CPU
x86 Xeon Phi
NVIDIA GPU
Quicker Development
Lines of Code Modified
<100 Lines
# of Weeks Required
1 Week

4. Learn what’s new with OpenACC this month

5. OPENACC IN ACTION AT GTC 2017
20 Talks
COMPLETE SCHEDULE
4 Tutorials 6 Posters 1 User Group Meeting
Featured Talks Link
OpenACC 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

6. 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

7.  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>

8. 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/p3
ma2017/
NASA GPU Hackathon May 31, 2017
https://www.olcf.ornl.gov/training-
event/2017-gpu-hackathons/

9. UPCOMING EVENTS
EVENT & LOCATION DATE LINK
XSEDE OpenACC Workshop,
15 sites in USA March 30, 2017
https://www.psc.edu/136-
users/training/2529-xsede-hpc-
workshop-march-30-2017-openacc
Brookhaven 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

10. FOR MORE INFORMATION
Visit OpenACC
EXPLORE NOW