[Openmp-dev] OpenMP in LLVM Multi-company Telecom Meeting Minutes Jan 29th

[Narayanaswamy, Ravi via Openmp-dev]

Next Meeting :  Feb 12th

Opens:

   -  Johannes mentioned there will be couple of OpenMP talks in CGO 2020 LLVM Performance workshop.

  -  Francesco and Jonathan were having problems with skype.   Johannes has kindly agreed to setup bluejeans for the meeting as a replacement.



Development Activity:

   -  Alexey has been working on conditional last private that pass shared variables to inner parallelism

   -  Regarding mapper support there is  still an open question  for the runtime implementation that needs to be answered.  https://reviews.llvm.org/D68100
  - Declare variant support is blocked on a community input on decision whether to use overload resolution mechanism.
   -  Johannes worked on loops and  how meta directive works on them.
   -  Sheila is working async offload support.  If things go fine will have a prototype wherein a teams of unshackled threads will be created to service async notification.
   - Francesco added support for attribute for vecotrizing function calls,  Working on fixing underline structure for scalable vector
         Would like Intel to move patches for auto vectorizer of functions marked simd to llorg.
   -  Deepak's teams have been  working on lvalue on map clause and update clause.  There was discussion on a function which returns value is a list item.
           Need OpenMP standard committee to clarify the behavior.

   -  Johannes has implemented context/traits.  Patch for review can be found here https://reviews.llvm.org/D71847



Offload testing  :

    -  Johannes has been talking to  Barbara team to set up machines.  LLVM offer is not satisfactory to vendor.

        Also mention of using Intel's desk cloud setup as an option.


Roll Call :


Company

Attendees

29-Jan

AMD







Greg Rodgers

x



Ashwin Aji





Jan Sjodin

x



Ron Lieberman

x



sameer Sahasrabuddhe





Jonathan Chesterfield

x



Andrey Kasaurov



ANL

Hal Finkel





Michael Kruse





Johannes Doerfert

x

ARM

Andrzej Warzynski

x



Francesco Petrogalli

x

IBM

Alexandre Eichenberger





Carlo Bertolli





Kelvin Li





Doru





Alexey Bataev

x

Intel

Andrey Churbanov





Ravi Narayanaswamy

x



Serguei Dmitriev





Rajiv Deodhar





Lorri Menard





Terry Wilmarth





Rao, Prem





Hansang Bae





Xinmin Tian





Jeff Hammond





George Rokos

x

Cray

Deepak Eachempati

x

Micron

John Leidel



Nvidia

James Beyer



ORNL

Graham Lopez





Joel Denny

x



Geoffroy Vallee





Fady Ghanim

x



Oscar Hernandez



SBU/BNL

Lingda Li





Jose Monlsave





Vivek Kale

x



Martin Kong



TU Darmstadt

Lukas Sommer



BrookHavens

Abid Malik



TU Darmstadt

Lukas Sommer



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