The Chapel Parallel Programming Language

What's New?

May 14, 2013
  • Added a link to a Cray blog article about Chapel to the press page.
  • Added home institutions to the contributors page
  • Added a picture of the final Chapel logo to the logo page
May 9, 2013
May 3, 2013
April 30th, 2013
April 18th, 2013
  • Version 1.7.0 was released today!! Refreshed various pages to reflect the release.
April 16th, 2013
March 26th, 2013
  • Added some detail to our April upcoming events in Bergen, Norway and the Charm++ workshop. Also added mention of our CUG 2013 talk in May.
March 19th-20th, 2013
  • Added a link to the press page to a Podcast-style interview about Chapel produced by Brock Palen and Jeff Squyres for their RCE site.

  • Also added a link to a July 2012 IEEE Computer article on emerging languages including Chapel which somehow never made it onto the press page.

  • Added a recent talk about studying LULESH in Chapel from a SIAM CSE13 minisymposium to the presentations page and generally pruned the "Recent Talks" section a bit.

  • Added a link to Brad's recently completed UW course using Chapel to the education page.

  • Refreshed the Upcoming Events page.
January 6th, 2013
  • Added a new Chapel overview paper describing the language's history, motivating themes, and major language concepts ("A Brief Overview of Chapel").

  • Updated a number of pages to reflect the new calendar year and updated SourceForge project URLs.
December 12th, 2012
  • In preparing a final bibliography for HPCS, added a number of older publications and slide decks to the archived papers page.

  • While cleaning up, added the SC12 presentations to the chronologically organized archived presentations page, and a link to the SC12 Educators Program materials to the list of educator tutorials on the education and tutorials pages
December 3rd, 2012
  • Added links to a course using Chapel by Mikhail Kurnosov at the Siberian State University of Telecommunications and Information Sciences to the education page.

  • In keeping more with the traditional organization, moved the Chapel SC12 tutorial slides off of the presentations page. Also, re-exported a few presentations to reduce their size a bit.
November 16th, 2012
  • Updated the presentations and tutorials pages to capture Chapel-related materials from SC12.

  • Added a link to the last article in the 10 Myths About Scalable Paralel Programming Languages series to the Language Definition page.
November 6th, 2012
  • Updated the upcoming events page to add some more SC12 activities and provide better times and locations for all of them.
November 2nd, 2012
  • Added another BoF that the Chapel group will be speaking at, along with the time and location for the 3rd annual Chapel Users Group (CHUG) Happy Hour, to the upcoming events page.
October 18th, 2012
  • Version 1.6.0 of Chapel was released today!! Updated content to reflect the new release: download information, contributors list, collaborations list, as well as the language specification and quick reference sheet on the language definition page.

  • Introduced a new Language Definition page to capture documents that define Chapel such as the language specification and quick-reference sheet. In addition, moved some of the more philosophically-related writings here from the papers page.

  • Also introduced a new Language Changes page for tracking changes to the language over time, both for the sake of helping users update their codes and to help readers make sense out of older papers or presentations. Seeded this with changes in the 1.6.0 release and other notable ones from recent releases.

  • Added slides for the PGAS 2012 paper by Burkhart et al. that was added earlier this week.
October 15th, 2012
  • Added a pair of talks to the presentations page from the PGAS/PGAS-X workshops last week. One is a "state of the union"-style talk as we come to the end of the DARPA HPCS program, the other highlights our recent work on adding hierarchical locales to Chapel.

  • Added two new papers, one evaluating Chapel within a classroom setting against other parallel programming notations from the University of Basel; a second describing a bulk communication optimization being developed at the University of Malaga. Also linked to the two latest IEEE TCSC blog articles and refactored and reordered the categories on this page slightly.
September 26th, 2012
  • Belatedly added a link to the paper and slides by Nan Dun and Kenjiro Taura presented at HIPS 2012 evaluating Chapel performance for a number of lanugage features.
  • Added a recent Chapel presentation with video by Vassily Litvinov from the HPC Advisory Council Conference in Malaga, Spain.
  • Updated the Upcoming Events page to include additional SC12 activities and hyperlinks.
September 11th, 2012
  • Added talk given at the University of Malaga today to the presentations page.
  • Updated the upcoming events page to reflect the SC12 "Chapel Lightning Talks 2012" BoF
August 21st, 2012
  • Added links to recent IEEE TCSC blog articles on the topic of myths of scalable parallel programming languages.
  • Added recent presentations from the DOE PPME workshop and AMD Fusion Developers Summmit.
  • Updated the Education page to link to research being done at Knox and Lewis & Clark Colleges.
  • Updated the Upcoming Events page to reflect some known future events.
  • Updated the Job Opportunities page to reflect that we've filled all of our recently open positions.
May 3rd, 2012
April 19th, 2012
  • Chapel version 1.5.0 released! Updated the download page to reflect this, as well as the versions of the language specification and quick reference sheet on the papers page.
April 11th, 2012
March 27th, 2012
  • Updated the education and tutorials web pages to reflect tutorials contributed by the education community. Also took a cleanup pass over the education page while here.
March 15th, 2012
  • Updated the education page regarding Chapel's use in Swiss Universities including a new quote from Helmar Burkhart relating his impressions of Chapel as a language for parallel programming education.
February 29th, 2012
February 21st, 2012
  • Removed the Chapel manager position from the job opportunities page; it has been filled.
  • Also replaced the SPEEDUP presentation with a smaller version (in terms of file size).
February 15th, 2012
  • Added slides for last week's talk at the 40th SPEEDUP Workshop on High-Performance Computing to the presentations page and took the opportunity to move a few other presentations to the archives.
February 14th, 2012
January 27th, 2012
  • Added the slides for yesterday's talk at the University of Washington. This talk connected the dots between HPC computing and the future of mainstream computing a bit more than we normally do. Also used this as an excuse to rearrange the presentations page a bit.
January 23rd, 2012
  • Noting the new date (Janary 26th) for the Chapel colloquium talk at UW on the Upcoming Events page after it got cancelled on account of snow. Also updated the entry for the Swiss HPC visit to include a tutorial that will be given on February 8th.
January 10th, 2012
  • Belatedly added a ParCo 2011 paper on parallel file I/O for Block-distributed arrays in Chapel to the "Chapel Collaborations" section of the Publications and Papers page.
January 3rd, 2012
  • Added a new Press page to track notable Chapel articles and references in the media and blogosphere.
  • Added slides from talks at LLNL and the DOE Workshop on Exascale Programming Challenges to the Presentations page and reorganized the Archived Presentations page to be chronological.
December 11th, 2011
  • Added a link to the February SPEEDUP Workshop on HPC to the events page
December 7th, 2011
November 18th, 2011
October 20th, 2011
  • Updated the download page to reflect today's release of Chapel 1.4.0.
  • Added new publications from the PGAS 2011 workshop on the topics of (i) writing parallel iterators and (ii) interoperability to the papers page. Also added an LLNL progress report describing the interoperability work in more detail.
  • Added recent talks: (i) an INT Exascale workshop talk on Programming Models and Chapel for Exascale Computing and (ii) a Google Technical Talk.
  • Added a new events page to call attention to upcoming Chapel-oriented events.
  • Added tutorial slides from the Discovery 2015 workshop.
  • Added the new draft of the language specification to the papers page.
  • Reformatted the presentations and papers pages to break entries into categories, and teased older entries into archive sections on separate pages.
  • Refreshed the collaborations and contributors pages.
August 11th, 2011
June 22nd, 2011
  • Added a number of recent technical papers, including CUG 2011 papers on authoring user-defined distributions and mapping Chapel to Qthreads (each with slides); and technical reports on implementing Chapel's atomic statements and mapping Chapel to GPUs.
  • Added recent presentations from DCPM and Salishan.
  • Added links to courses that have used Chapel and a new mailing list for educators to the education page.
  • Added the slides from our CUG 2011 tutorial.
  • Updated our Collaborations, Contributors, and Acknowledgements pages.
April 21st, 2011
  • Chapel version 1.3.0 has just been released and is now available for downloads.
  • Added several new and archival presentations on Chapel and related topics.
  • Added a new Chapel in Education page.
  • Updated the design of the Chapel web pages thanks to contributions from Eric Nordlund.
  • Split most of the tutorials into a distinct tutorial archives page to avoid clutter.
  • Added version 0.8 of the language specification to the publications and papers page.
  • Took a general pass over most pages, refreshing their contents.
March 30th, 2011
  • Added presentations from the SIAM CSE 2011 Minisymposium on Chapel to the presentations page.
November 30th, 2010
  • Added our recent tutorials from SC10 and the PRACE Autumn School to the tutorials page.
October 21st, 2010
  • Chapel version 1.2.0 is available for download now
August 19th, 2010
  • Updated the contributors page to reflect the current team.
  • Took a housecleaning pass over the pages for uniformity.
May 14th, 2010
  • Refreshed the content of our collaborations page to reflect new collaborations, capture older ones, and suggest possibilities for new collaborations.
  • Refreshed the content of our presentations page to include a more recent Chapel overview talk and video.
  • Added a reference to a recent publication by the Colorado State group on parallel patterns in Chapel to the Publications and Papers page.
  • Added portability notes to the download page.
May 12th, 2010
April 21st, 2010
April 15th, 2010