Dyalog '13 Videos - week 7

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Dyalog '13 Videos - week 7

Postby Fiona|Dyalog on Fri Dec 20, 2013 1:27 pm

This week's conference videos shine a spotlight on language enhancements coming in with the next release of Dyalog APL. Go to http://www.dyalog.com/user-meetings/dyalog13.htm to read about Dyalog ’13 and follow the links to the videos.

• In "Parallel Language Features in Version 14.0" Morten introduces the exciting experimental concepts of futures and isolates, which enable parallelism to be expressed in a way that feels natural to APLers as well as the new monadic parallel operator. The goal is to put true parallel processing at the fingertips of the domain expert. (http://video.dyalog.com/Dyalog13/?v=Bmx_yUKxVv0)

• The "Rank and Friends" presentation is an introduction to a related set of primitive features that are coming with version 14.0 of Dyalog APL. Roger explains the monadic tally function, the monadic key operator and the dyadic rank operator. He also describes the concept of major cells and illustrates the use of the extension of dyadic iota ("index of") to higher-rank arrays through a comprehensive example of inverted tables. (http://video.dyalog.com/Dyalog13/?v=J05FEbqDsZM)

• Function trains, another version 14.0 feature, are explained by JohnS in "Train Spotting in Version 14.0". The six basic function train structures and the two forms that all function trains can be reduced to, fork and atop, are described along with some optimisation tips and the very useful new boxing user command. (http://video.dyalog.com/Dyalog13/?v=7-93GzDqC08)

• Morten and Roger return in "Primitive Performance". Morten describes the Performance Quality Assurance framework, a new tool being developed and used internally by Dyalog to carefully monitor interpreter performance from one release to the next. Roger then expands on a number of optimisation projects that have been part of the version 14.0 development cycle. (http://video.dyalog.com/Dyalog13/?v=qT1QJy9qY7I)

There will be further updates next Friday highlighting the new videos for the week. If you have any requests for specific videos that you’d like to see sooner rather than later then please let us know at conference@dyalog.com and we’ll see what we can do.
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