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Tom Deakin @tomdeakin.bsky.social · 12/08/2025

C++ is (nearly) all you need for HPC. Catch up on the talk I gave at an online seminar at Erlangen National High Performance Computing Center (NHR@FAU) at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) youtu.be/DjMccIx5LK4?...

youtu.be

C++ is (nearly) all you need for HPC

Speaker: Dr Tom Deakin, University of Bristol Slides: https://hpc.fau.de/files/2025/07/25_07_15_cpp_is_nearly_all_you_need.pdf Abstract: To write an HPC code, we use a serial programming language…

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Tom Deakin @tomdeakin.bsky.social · 24/06/2025

A nice summary, and a call to action, from the organisers of the PASC'25 Mini-Symposium on Application Perspective on SYCL, a Modern Programming Model for Performance and Portability youtu.be/4K612eNB6cI #APEROL #SYCL

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Tom Deakin @tomdeakin.bsky.social · 18/06/2025

#PASC25 continues this afternoon with the Aperol mini-symposium on Application Perspectives on #SYCL. pasc25.pasc-conference.org/session/?ses...

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Reposted by Tom Deakin

szirallel.bsky.social @szirallel.bsky.social · 17/06/2025

If you are at PASC25, join us at the 3rd edition of the Application Perspective on SYCL (APerOL) ‪minisymposium @al42and.bsky.social‬ and I organize on June 18, 14:00 in room 5.2D02 Details on current & previous editions: kth-pdc.github.io/aperol #PASC25 #portability #SYCL #HPC #scientificcomputing

kth-pdc.github.io

Upcoming: PASC’25

The third minisymposium in the series will be organized at PASC’25 in a town of Brugg. Featuring talks by Peter Thoman, Abhishek Bagusetty, Markus Büttner, and Timothée David–Cléris.

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Tom Deakin @tomdeakin.bsky.social · 16/06/2025

🇨🇭Attending #PASC25 for the first time. Looking forward to speaking at the “Empowering Interdisciplinary Collaboration through Reproducible Benchmarking” Mini-symposium tomorrow about Benchmarking the Three Ps: Performance, Portability, and Productivity pasc25.pasc-conference.org/presentation...

pasc25.pasc-conference.org

Presentation - PASC 2025

Sorry, this product is unavailable. Please choose a different combination.

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Reposted by Tom Deakin

HPC Guru @hpcguru.bsky.social · 11/06/2025

All things, with one exception, have to end After years of sharing #HPC news and insights, it's time to log off It was fun while it lasted and I remain grateful to all of you who followed and interacted Stay curious, stay kind! — @hpcguru.bsky.social signing off #HPC #Farewell

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Tom Deakin @tomdeakin.bsky.social · 11/06/2025

Cool to see two papers explore #SYCL performance on CPUs at #ISC25. It’s also great to see how much the performance has improved thanks to the commitment to the #oneAPI and #AdaptiveCpp implementations since we evaluated this a few years ago.

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OpenMP ARB @openmp-arb.bsky.social · 10/06/2025

@nextsilicon.com has joined the OpenMP Architecture Review Board! Their Intelligent Compute Architecture brings new momentum to our mission: advancing open, portable, shared-memory parallelism. Welcome to the community! 🌍💻 #OpenMP #HPC #NextSilicon

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Tom Deakin @tomdeakin.bsky.social · 10/06/2025

Here at #ISC25 in Hamburg this week. I’ll be speaking about open standards at the Birds of a Feather Sessions (#OpenMP and #UXL Foundation) and sharing (alongside #NVIDIA) how to program GPUs with standard #C++. Looking forward to catching up with this great community. #HPC

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OpenCL @opencl.bsky.social · 08/05/2025

In this new blog, we look at OpenCL at last month's IWOCL 2025. The event confirmed that OpenCL continues to evolve and thrives as a critical foundation for cross-platform, high-performance computing across industries. Learn more: khr.io/1iu

khr.io

OpenCL in Action: Highlights from IWOCL 2025’s Celebration of Industry-Driven Innovation

The 13th International Workshop on OpenCL™ and SYCL™ (IWOCL 2025), held from April 7–11 in Heidelberg, Germany, brought together a vibrant community of developers, researchers, and industry profession...

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Tom Deakin @tomdeakin.bsky.social · 28/04/2025

The recordings and slides from the IXPUG 2025 conference are up! Some great talks to watch all about leveraging open standards for accelerated compute. www.ixpug.org/events/ixpug... #OpenMP #SYCL

ixpug.org

IXPUG Annual Conference 2025 | IXPUG

Join the IXPUG Annual Conference 2025, hosted by TACC, for expert insights. Connect with leaders and explore innovations.

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Tom Deakin @tomdeakin.bsky.social · 16/04/2025

At #IWOCL I had the pleasure of sharing the update from the #SYCL Working Group on all things SYCL past, present, and future.

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Tom Deakin @tomdeakin.bsky.social · 16/04/2025

If you’re interested in getting fluid codes running fast on GPUs, be sure to check out this role with Ben Thornber at Queen's University Belfast. hrwebapp.qub.ac.uk/tlive_webrec... #Kokkos

hrwebapp.qub.ac.uk

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Reposted by Tom Deakin

SYCL @khronos-sycl.bsky.social · 07/04/2025

On April 29, 2025, the Argonne Leadership Computing Facility (ALCF) will hold a webinar covering the process of porting CUDA code to SYCL, with a focus on high-performance math libraries like cuBLAS and cuFFT. Learn more and register: events.cels.anl.gov/event/643/

events.cels.anl.gov

Transitioning from CUDA to SYCL

Join us on April 29, 2025, for a webinar covering the process of porting CUDA code to SYCL, with a focus on high-performance math libraries like cuBLAS and cuFFT. ALCF's Thomas Applencourt and Abhishe...

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Tom Deakin @tomdeakin.bsky.social · 11/04/2025

See you at #IWOCL 2026! Keep an eye on iwocl.org for updates, and the archive for this and previous conferences. #OpenCL #SYCL

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Tom Deakin @tomdeakin.bsky.social · 11/04/2025

The #IWOCL 2025 Outstanding Full Paper Award Winner, Peter Thoman (UIBK) presents their work on optimising strided data movement across GPUs with Celerity and #SYCL

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Tom Deakin @tomdeakin.bsky.social · 11/04/2025

Just running compute with #SYCL is great but you always want to *SEE* the output. Duncan Brawley (Codeplay Software) is presenting interoperability for images with the DirectX and Vulkan Graphics APIs. #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 11/04/2025

Virtual functions are important to C++ programs. Alexey Sachkov (Intel) proposes how #SYCL can by updated to remove the current restriction on this to make it work for those (like Kokkos) asking for it. #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 11/04/2025

Next up at #IWOCL, Julian Oppermann (Codeplay Software) talks about fast compilation of #SYCL for code generated at runtime.

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Tom Deakin @tomdeakin.bsky.social · 11/04/2025

So you want to support #SYCL? We’re finding out on the last day of #IWOCL in the invited talk from Ben Ashbaugh (Intel) on his personal perspective for supporting SYCL with #OpenCL.

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Reposted by Tom Deakin

Glenn K. Lockwood @glennklockwood.com · 10/04/2025

Wow, workshops are now included in the #SC25 technical program registration. This is incredible; workshops are an invaluable place to have focused, deeply technical discussion and build community with a high concentration of like-minded individuals. sc25.supercomputing.org/2025/04/work... #HPC

sc25.supercomputing.org

Workshops Are Now Included in Your Technical Program Registration • SC25

Thanks to attendee feedback, we're announcing an important and beneficial change to the SC25 registration categories.

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

More debugging talks at #IWOCL! This time for #OpenCL and #SYCL on CPUs where the code contains barriers. Presenting work from the team at Intel is Alexey Sachkov.

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

Tooling is a vital part of any programming ecosystem, and is particularly important for heterogeneous systems. Here at #IWOCL Rakesh Ganesh (Intel) shares work on debugging #SYCL on Intel GPUs in Visual Studio and VS Code.

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

Next up at #IWOCL, Aksel Alpay (Heidelberg University) talks about new Just-in-Time Optimisations in AdaptiveCpp for #SYCL. Ready to try in the latest compiler at github.com/AdaptiveCpp/...

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

Next up at #IWOCL, Moritz Heckmann (Saarland University) shows his approaches for implementing #SYCL sub-groups on CPUs.

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

The #SYCL backend to Kokkos was shared at #IWOCL last year, and Daniel Arndt (ORNL) is back this year to share experiences in targeting Frontier’s AMD GPUs with SYCL through Kokkos.

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

Alexey Sachkov (Intel) shares how they are working on SPIR-V backend support in LLVM towards a future where #SYCL can be supported upstream in LLVM directly. #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

Next, Alexey Sachkov (Intel) presents a vision for improving #SYCL compile times through changes to the SYCL header. #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 10/04/2025

Day 2 of #IWOCL begins with State of the Union updates from #SYCL and #SYCL SC working groups. Here Lukas Sommer shares their update from SYCL SC bringing standard heterogeneous programming to safety critical systems.

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

Finishing today, Christoph Alt (Paderborn University) presents work evaluating #oneAPI I/O pipes in #SYCL for a Jacobi Solver on a FPGA Cluster. #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

Xavier Hallade and Stefan Werner present Blender and the Cycles renderer implemented in #SYCL for cross-vendor support for 3D rendering, shipping in Blender today. #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

GROMACS have been using #SYCL for a while now, and today, Andrey Alekseenko (KTH) and Ewan Crawford (Codeplay) present work using a SYCL-Graph extension (early versions of this have been presented at previous IWOCLs). This DPC++ extension is also used in Kokkos and Llama.cpp. #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

Timothée David Cléris presents Shamrock: a Hydrodynamics (mainly Smooth Particle Hydro) Astrophysics code implemented using #SYCL #IWOCL

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

Next up at #IWOCL, Siva Rama Krishna Reddy B and colleagues from Qualcomm share their work on Deep Learning Compilers on Adreno GPUs

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

Hongqiang Wang (Qualcomm) presenting work at #IWOCL on their optimised #OpenCL backend for the open-source llama.cpp large language model (LLM).

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

Jan Solanti (Tampere University) now shares his work on improving latency in PoCL-Remote at #IWOCL #OpenCL

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

A key part of #IWOCL are State of the Union updates on the programming models from the Khronos Working Groups. First up, #OpenCL, presented by Ben Ashbaugh (Intel).

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

Next up at #IWOCL, we welcome our Keynote Speaker, Moritz Lehmann (Intel) to talk about his FluidX3D Lattice Boltzmann CFD software, written in #OpenCL. Sharing amazing optimisations to improve memory use and access.

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Tom Deakin @tomdeakin.bsky.social · 09/04/2025

The 13th #IWOCL continues today with the first of two and a half days of presentations and papers, starting with a warm welcome from local hosts, Prof. Vincent Heuveline and Aksel Alpay from the University of Heidelberg.

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Tom Deakin @tomdeakin.bsky.social · 07/04/2025

Last up for Day 1 of the #IWOCL25 SYCL Hackathon is a tutorial from Igor Vorobtsov from Intel on porting CUDA to #SYCL with SYCLomatic

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Tom Deakin @tomdeakin.bsky.social · 07/04/2025

Next up at #IWOCL25, Aksel Alpay, local host here at Heidelberg University, presents tips, tricks, and best practices for using the AdaptiveCpp implementation of #SYCL he created.

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Tom Deakin @tomdeakin.bsky.social · 07/04/2025

The #IWOCL25 Hackathon starts with Thomas Applencourt from Argonne National Laboratory presenting his Walkthrough on the 9 Circles of #SYCL

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Tom Deakin @tomdeakin.bsky.social · 07/04/2025

IWOCL 2025 begins today in sunny Heidelberg, with 2 days of #SYCL Hackathon. Check out the programme at iwocl.org

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Tom Deakin @tomdeakin.bsky.social · 11/03/2025

Looking forward to all the great talks at the Inaugral Isambard Day hosted by the Bristol Centre for Supercomputing at University of Bristol. Lots of amazing science and AI happening on the 3 supercomputers. #BriCS

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iwocl.bsky.social @iwocl.bsky.social · 04/03/2025

The full IWOCL 2025 program has now been published and early bird registration is open. We kick-off with a 2-day SYCL Hackathon & tutorials session, followed by a 3-day #opencl and #sycl conference. View the full program at khr.io/iwocl-program & register before Mar 23 for the early bird discount.

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Tom Deakin @tomdeakin.bsky.social · 14/01/2025

We're used to leaning on children's books in Computer Science - with Gulliver's big-/little-endian. Back at #SC24, I spoke at the #Intel booth about open standards, performance portability, & the journey up the Yellow Brick Road to see the Wizard of Oz. youtu.be/xO8FGAOScpo?... #p3hpc #OpenMP #SYCL

youtu.be

University of Bristol: The Role of Open Standard Programming Models for HPC | Intel Software

YouTube video by Intel Software

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Tom Deakin @tomdeakin.bsky.social · 10/01/2025

Thinking of submitting a talk, paper, or poster to @iwocl.bsky.social? Good news! You now have until Sunday January 19, AoE to do so!

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