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PRESENTATIONS
This page contains talks and posters I have presented at conferences as well as for school projects. This material is (sometimes) not published elsewhere, so I thought I would post them here in case they are of interest or use for other researchers/students.
[2015] [2014] [2013] [2011] [2008] [School Reports]
2024
![TESS2024](https://www.sumseq.com/images/thumbnail_2024_SWQU-OFT.png)
![TESS2024](https://www.sumseq.com/images/thumbnail_2024_SWQU-SWiG.png)
SWQU Workshop Day 2: Open-source Flux Transport (OFT)
SWQU Workshop Day 3: Solar Wind Generator (SWiG)
Ronald M. Caplan, Miko Stulajter, Jon Linker, Cooper Downs, James Turtle, Lisa Upton, Nick Arge,
Shaela I. Jones, Raphael Attié, Nick Arge, Carl Henney, and Bibhuti Jha
Talks presented at the 2024
SWQU Users meeting.
May 20th-23rd, 2024. Huntsville, Alabama, USA.
The workshop installation and assignment instructions can be viewed here.
![TESS2024](https://www.sumseq.com/images/thumbnail_2024_TESS.png)
Ronald M. Caplan, Cooper Downs, Jon A. Linker, James Turtle, Emily Mason, Lisa Upton,
Raphael Attié, Nick Arge, Carl Heney, Bibhuti Jha, and the Solar Orbiter PHI team.
Talk presented at the 2024
Triennial Earth-Sun Summit (TESS).
April 8th-12th, 2024. Dallas, Texas, USA.
![GTC2024](https://www.sumseq.com/images/thumbnail_2024_GTC.png)
Ronald M. Caplan, Miko M. Stulajter, Jon A. Linker, Tibor Torok, Cooper Downs,
Andres Reyes, Viacheslav S. Titov, Roberto Lionello, and Pete Riley.
Talk presented at the 2024
NVIDIA GPU Technology Conference.
March 18th-21th, 2024. San Jose, California, USA.
The talk was recorded and is available on NVIDIA On-Demand.
![HipFT](https://www.sumseq.com/images/thumbnail_2024_HIPFT.png)
Ronald M. Caplan, Miko M. Stulajter, James A. Turtle, Jon A. Linker, Cooper Downs,
Lisa A. Upton, Charles Nicholos Arge, Raphael Attie, Carl J. Henney, and Nikoli Pogorelov
Talk presented at the
2024 Solar Orbiter Dynamo & Solar Cycle RSWG Meeting
Febuary 12th, 2024. Online.
2023
![AGU2023](https://www.sumseq.com/images/thumbnail_2023_AGU.png)
Ronald M. Caplan, Miko M. Stulajter, James A. Turtle, Jon A. Linker, Cooper Downs,
Lisa A. Upton, Charles Nicholos Arge, Raphael Attie, Carl J. Henney, and Nikoli Pogorelov
Poster presented at the
2023 Fall meeting of the American Geophysical Union (AGU).
December 11th-15th, 2021. San Francisco, California, USA.
The code can be downloaded from the Github repository here.
![Intel OneAPI Dev Summit 23](https://www.sumseq.com/images/thumbnail_2023_OneAPI.png)
Intel GPUs with the IFX compiler
Ronald M. Caplan, Miko M. Stulajter, Cooper Downs, and Jon A. Linker
Talk presented at the
2023 Intel oneAPI DevSummit for AI and HPC
December 4th - 6th, 2023. Online.
![SC2023](https://www.sumseq.com/images/thumbnail_2023_SC.png)
Ronald M. Caplan, Cooper Downs, and Jon A. Linker
Talk presented at the NASA exhibitor booth. at
Super Computing (SC) 23.
November 12th-17th, 2023. Denver, Colorado, USA.
Click here to view details on the NASA SC23 page.
![SPD 23](https://www.sumseq.com/images/thumbnail_2023_SPD.png)
Ronald M. Caplan, Erika Palmerio, Jon A. Linker, Matthew A. Young, and Nathan A. Schwadron
Poster presented at the
54th Meeting of the SPD.
August 13th-18th, 2023.
Minneaplois, Minnesota, USA.
![OpenACC 23](https://www.sumseq.com/images/thumbnail_2023_OpenACC.jpg)
Ronald M. Caplan, Miko M. Stuljater, and Jon A. Linker
Talk presented for an OpenACC Webinar
July 11th, 2023. Online.
![ASTRONUM 23](https://www.sumseq.com/images/thumbnail_2023_ASTRONUM.png)
in a Thermodynamic MHD Model
Ronald M. Caplan, Craig D. Johnston, Lars K. S. Daldorff, and Jon A. Linker
Talk presented at the 15th ASTRONUM Conference.
June 25th-29th, 2023. Pasadena, California, USA.
![AsHES 23](https://www.sumseq.com/images/thumbnail_2023_ASHES.png)
From OpenACC to `do concurrent`
Ronald M. Caplan, Miko M. Stuljater, and Jon A. Linker
Talk presented at the 13th AsHES workshop held at the 37th IEEE IPDPS Symposium.
May 15th, 2023. St. Petersburg, Florida, USA.
![ISC SCC 23](https://www.sumseq.com/images/thumbnail_2023_ISC.png)
Ronald M. Caplan.
Talk presented for the ISC Student Cluster Competition.
March 9th, 2023. Online.
The talk can be viewed on YouTube here.
2022
![SC2022](https://www.sumseq.com/images/thumbnail_2022_SC.png)
Ronald M. Caplan, Tibor Torok, Andres Reyes, and Cooper Downs
Talk presented at the NASA exhibitor booth at
Super Computing (SC) 22. November 13th-18th, 2022. Dallas, Texas, USA.
Click here to view details on the NASA SC22 page.
![CSRC2022](https://www.sumseq.com/images/thumbnail_2022_CSRC.png)
Ronald M. Caplan.
Talk presented at the CSRC Colloquium.
September 23rd, 2022. San Diego State University.
![TESS2022](https://www.sumseq.com/images/thumbnail_2022_TESS.png)
Ronald M. Caplan, James A. Turtle, Jon A. Linker, Lisa Upton, Nick Arge,
Raphael Attie, Cooper Downs, Carl J. Henney, and Nikolai Pogorelov
Poster presented at the 2022
TESS Meeting.
August 8th - August 11th, 2022. Bellevue, Washington, USA.
![SHINE2022](https://www.sumseq.com/images/thumbnail_2022_SHINE.png)
Ronald M. Caplan, Tibor Torok, Cooper Downs, Andres Reyes,
Viacheslav Titov, Roberto Lionello, and Jon A. Linker
Poster presented at the 2022
SHINE Meeting.
June 26th - July 1st, 2022. Honolulu, Hawaii, USA.
![NVIDIA2022](https://www.sumseq.com/images/thumbnail_2022_NVIDIA.png)
Ronald M. Caplan, Miko Stulajter, and Jon A. Linker.
Talk presented at the NVIDIA GPU Technology Conference.
March 21st-24th, 2022. Virtual.
The talk can be viewed here.
2021
![AGU2021](https://www.sumseq.com/images/thumbnail_2021_AGU.png)
Ronald M. Caplan, Lisa Upton, Jon A. Linker, Charles Nick Arge, Raphael Attie,
Cooper Downs and Carl J. Henney
Poster presented at the 2021
Fall meeting of the American Geophysical Union (AGU).
December 13th-17th, 2021. New Orleans, Louisiana, USA.
![SC2021](https://www.sumseq.com/images/thumbnail_2021_SC.png)
Ronald M. Caplan, Miko Stulajter, and Jon A. Linker.
Talk presented at
OpenACC Birds of a Feather at Supercomputing 2021.
November 16th, 2021. St. Louis, Missouri, USA.
![NVIDIA2021](https://www.sumseq.com/images/thumbnail_2021_NVIDIA.png)
Ronald M. Caplan, Jon A. Linker, Cooper Downs, Roberto Lionello, Andres Reyes,
Pete Riley, Viacheslav Titov, and Tibor Torok.
Talk presented for
On-Demand NVIDIA Webinar.
January 14th, 2021. Virtual.
2020
![AGU2020](https://www.sumseq.com/images/thumbnail_2020_AGU.png)
Ronald M. Caplan, Cooper Downs, and Jon A. Linker.
Poster presented at the 2020
Fall meeting of the American Geophysical Union (AGU).
December 1st-17th, 2020. Virtual.
![GTC2020](https://www.sumseq.com/images/thumbnail_2020_GTC.png)
Ronald M. Caplan and Jon A. Linker.
Poster presented at the 2020
NVIDIA GPU Technology Conference.
March 23rd-26th, 2020. Virtual.
2019
![AGU2019](https://www.sumseq.com/images/thumbnail_2019_AGU.png)
for use in coronal and heliospheric models
Ronald M. Caplan, Cooper Downs, and Jon A. Linker.
Poster presented at the 2019
Fall meeting of the American Geophysical Union (AGU).
December 9th-13th, 2019. San Francisco, California, USA.
![SC2019](https://www.sumseq.com/images/thumbnail_2019_SC_poster.png)
![SC2019](https://www.sumseq.com/images/thumbnail_2019_SC_talk.png)
Teaching Your Legacy Code New (GPU) Tricks
Ronald M. Caplan and Jon A. Linker
Poster and talk presented at the NASA exhibitor booth at
Super Computing (SC) 19. November 17th-21st, 2019. Denver, Colorado, USA.
Click here to view details on the NASA SC19 page.
![SHINE2019](https://www.sumseq.com/images/thumbnail_2019_SHINE.png)
![SHINE2019_Qmap](https://www.sumseq.com/images/thumbnail_2019_SHINE_QMAP.png)
Variations in Finite Difference Potential Fields
Download High-Resolution Q-Map:
[FULL 16000x8000 (121MB)] [HALF 8000x4000 (45MB)] [QUARTER 4000x2000 (14MB)] [SMALL 1600x800 (3MB)]
Ronald M. Caplan, Cooper Downs, and Jon A. Linker.
Poster presented at the 2019 SHINE Meeting.
August 5th-9th, 2019. Boulder, Colorado, USA.
![GTC2019](https://www.sumseq.com/images/thumbnail_2019_GTC.png)
Ronald M. Caplan, Jon A. Linker, Zoran Mikic, Roberto Lionello, Pete Riley, and Cooper Downs.
Poster presented at the 2019
NVIDIA GPU Technology Conference.
March 18th-21st, 2019. San Jose, California, USA.
2018
![AGU2018](https://www.sumseq.com/images/thumbnail_2018_AGU.png)
Ronald M. Caplan, Cooper Downs, Jon A. Linker, and Zoran Mikic.
Poster presented at the 2018
Fall meeting of the American Geophysical Union (AGU).
December 10th-14th, 2018. Washington DC, USA.
![SC2018](https://www.sumseq.com/images/thumbnail_2018_SC_NASAposter.png)
![SC2018](https://www.sumseq.com/images/thumbnail_2018_SC_NASAtalk.png)
Shields Up! Towards Forecasting Solar Particle Threats Through Simulation
Ronald M. Caplan, Jon A. Linker, Cooper Downs, Zoran Mikić, Roberto Lionello, Tibor Török, Janvier Wijaya
Poster and talk presented at the NASA exhibitor booth at
Super Computing (SC) 18. November 11th-16th, 2018. Dallas, Texas, USA.
Click here to view details on the NASA SC18 page.
![SC2018](https://www.sumseq.com/images/thumbnail_2018_SC_TDMGPU.png)
Experiences, Results, and Development Tips
Ronald M. Caplan, Jon A. Linker, and Zoran Mikic.
Talk presented at the
OpenACC User Group Meeting @ SC18.
November 13th, 2018. Dallas, Texas, USA.
![SC2018](https://www.sumseq.com/images/thumbnail_2018_SC_LAPGPU.png)
Ronald M. Caplan.
Talk presented at the
OpenACC User Group Meeting @ SC18.
November 13th, 2018. Dallas, Texas, USA.
![SHINE2018](https://www.sumseq.com/images/thumbnail_2018_SHINE.png)
Ronald M. Caplan, Cooper Downs, Jon A. Linker, and Zoran Mikic.
Poster presented at the 2018
SHINE Meeting.
July 30th-August 3rd, 2018. Cocoa Beach, Florida, USA.
![ASTRONUM2018](https://www.sumseq.com/images/thumbnail_2018_ASTRONUM.png)
Ronald M. Caplan, Jon A. Linker, Zoran Mikic, Cooper Downs, and Tibor Torok.
Talk given at
ASTRONUM 2018.
June 25th-29th, 2018. Panama City Beach, Florida, USA.
![GTC2018](https://www.sumseq.com/images/thumbnail_2018_GTC.png)
From HPC cluster to “in-house”
Ronald M. Caplan, Jon A. Linker, Cooper Downs, Tibor Török, Zoran Mikić,
Roberto Lionello, Viacheslav Titov, Pete Riley, and Janvier Wijaya.
Talk given at the 2018
NVIDIA GPU Technology Conference.
March 26th-29th, 2018. San Jose, California, USA.
The talk was recorded and can be viewed here.
2017
![SC2017](https://www.sumseq.com/images/thumbnail_2017_SC_poster.png)
![SC2017](https://www.sumseq.com/images/thumbnail_2017_SC_talk.png)
![SC2017](https://www.sumseq.com/images/hpcwire2017.png)
Totality! Predicting the Corona of the 2017 Great American Solar Eclipse
Ronald M. Caplan, Zoran Mikić, Cooper Downs, Jon A. Linker, Pete Riley, Roberto Lionello, Tibor Török, Viacheslav Titov, Janvier Wijaya
Poster and talk presented at the NASA exhibitor booth at
Super Computing (SC) 17. November 12th-16th, 2017. Denver, Colorado, USA.
Click here to view details on the NASA SC17 page.
This work was awarded HPCwire's 2017 Readers Choice Award for "Top HPC-Enabled Scientific Achievement".
![SPD2017](https://www.sumseq.com/images/thumbnail_2017_SPD.png)
Ronald M. Caplan, Cooper Downs, Zoran Mikic, and Jon A. Linker.
Poster presented at the
48th meeting of the Solar Physics Division of the American Astronomical Society.
August 21st-25th, 2017. Portland, Oregon, USA.
![GTC2017](https://www.sumseq.com/images/thumbnail_2017_GTC.png)
Converting a PCG Solver from MPI to MPI+OpenACC
Ronald M. Caplan, Jon A. Linker, and Zoran Mikic.
Talk given at the 2017
NVIDIA GPU Technology Conference.
May 8th-11th, 2017. San Jose, California, USA.
The talk was recorded and can be viewed here.
Further details were presented at the user-feedback session of the July 24th, 2017 OpenACC Technical Committeee Meeting.
Those slides can be viewed here.
2016
![AGU2016](https://www.sumseq.com/images/thumbnail_2016_AGU.png)
Ronald M. Caplan, Cooper Downs, and Jon A. Linker.
Poster presented at the 2016
Fall meeting of the American Geophysical Union (AGU).
December 12th-16th, 2016. San Francisco, California, USA.
![SPD2017](https://www.sumseq.com/images/thumbnail_2016_SC.png)
Explicit super time-stepping vs. implicit methods with Krylov solvers
Ronald M. Caplan, Zoran Mikic, Jon A. Linker, and Roberto Lionello.
Poster presented at
Super Computing (SC) 16.
November 13th-18th, 2016. Salt Lake City, Utah, USA.
The extended two-page abstract can be viewed here
![SHINE2016](https://www.sumseq.com/images/thumbnail_2016_SHINE.png)
Ronald M. Caplan, Cooper Downs, and Jon A. Linker.
Poster presented at the 2016
SHINE Meeting.
July 11th-15th, 2016. Santa Fe, New Mexico, USA.
![ASTRONUM2016](https://www.sumseq.com/images/thumbnail_2016_ASTRONUM.png)
Explicit super time-stepping versus implicit schemes with Krylov solvers
Ronald M. Caplan, Zoran Mikic, Jon A. Linker, and Roberto Lionello.
Talk given at
ASTRONUM 2016.
June 6th-10th, 2016. Monterey, California, USA.
Click here to read the conference proceedings paper.
![GTC2016](https://www.sumseq.com/images/thumbnail_2016_GTC.png)
Code acceleration using OpenACC for both GPUs and x86
Ronald M. Caplan, Cooper Downs, and Zoran Mikic.
Poster presented at the 2016
NVIDIA GPU Technology Conference.
April 4th-7th, 2016. San Jose, California, USA.
2015
![AGU2015](https://www.sumseq.com/images/thumbnail_2015_AGU.png)
Data and software made available
Ronald M. Caplan, Cooper Downs, and Jon A. Linker.
Talk given at the 2015
Fall meeting of the American Geophysical Union (AGU).
December 14th-18th, 2015. San Francisco, California, USA.
![SC2015](https://www.sumseq.com/images/thumbnail_2015_SC_poster.png)
![SC2015](https://www.sumseq.com/images/thumbnail_2015_SC_talk.png)
Ronald M. Caplan, Cooper Downs, Jon A. Linker, Roberto Lionello, Zoran Mikić, Pete Riley, Viacheslav Titov, Tibor Török
Poster and talk presented at the NASA exhibitor booth at
Super Computing (SC) 15
November 15th-20th, 2015. Austin, Texas, USA.
Click here to view details on the NASA SC15 page.
2014
![AGU2014](https://www.sumseq.com/images/thumbnail_2014_AGU.png)
Ronald M. Caplan, Cooper Downs, and Jon A. Linker.
Poster presented at the 2014
Fall meeting of the American Geophysical Union (AGU).
December 15th-19th, 2014. San Francisco, California, USA.
2013
![AGU2016](https://www.sumseq.com/images/thumbnail_2013_GTC.png)
Ronald M. Caplan and Ricardo Carretero.
Poster presented at the 2013
NVIDIA GPU Technology Conference.
March 24th-27th, 2013. San Jose, California, USA.
2011
![SIAMPDE2011](images/thumbnail_2011_SIAMPDE.png)
Ronald M. Caplan, and Ricardo Carretero.
Talk given at the 2011
SIAM Conference on Analysis of Partial Differential Equations
November 14th-17th, 2011. San Diego, California, USA.
![IMACS2011](images/thumbnail_2011_IMACS.png)
Ronald M. Caplan, and Ricardo Carretero.
Talk given at the 2011
The 7th IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory
April 4th-7th, 2011. Athens, Georgia, USA.
2008
![JMM2008](images/thumbnail_2008_JMM.png)
Ronald M. Caplan, Ricardo Carretero, Enam Hoq, and Panayotis G. Kevrekidis.
Talk given at the 2008
Joint Mathematics Meeting
January 6th-9th, 2008. San Diego, California, USA.