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Mmh! Now THIS is a Tasty Kernel!

me, with an afro, eyeing a tasty cuda kernel

Like all entropy-generating processes, the Summer of HPC must come to an end. However, you won’t get rid of me that easily, since there’s still one more blog post left to be done! This time I’ll tell you more about

Posted in Blogs 2017, PRACE Summer of HPC 2017 Tagged with: , , , , , , , , , , , , , , , , ,

The Case of the Missing Device Function

It's me, browsing my Magic: the Gathering collection.

My project has been progressing quite well and a bit more of that in the next blog post. However, this time I present a more detailed description of the beginning of my project. The narrative may have been dramatized in

Posted in Blogs 2017, PRACE Summer of HPC 2017 Tagged with: , , , , , , , , , , , , , , ,

The HIPbit, or There and Back Again

Forschungszentrum Jülich is quite an interesting place to work at. You can think of it as a town in the middle of nowhere where over the half of the population are scientists or technicians. The research center even has its

Posted in Blogs 2017, PRACE Summer of HPC 2017 Tagged with: , , , , , , , , , , , , , , ,

Antti Mikkonen

Greetings from the far north! My name is Antti and I like all sorts of things mathematical. There’s just something very savoury about a well-structured, intuitive and dumbfounding mathematical proof. Basically, I like to look for problems and solve them.

Posted in Participants 2017, PRACE Summer of HPC 2017 Tagged with: , , , , , , , , , , , , , , ,

Cude colors on a phine grid

Project reference: 1716 Simulations of Lattice Quantum Chromodynamics (the theory of quarks and gluons) are used to study properties of strongly interacting matter and can, e.g., be used to calculate properties of the quark-gluon plasma, a phase of matter that

Posted in Projects 2017 Tagged with: , ,

Hip, hip, hooray! Get your 2-for-1 GPU deal now.

Project reference: 1717 Today’s multi-core, many-core and accelerator hardware provides a tremendous amount of floating point operations (FLOPs). However, CPU and GPU FLOPs cannot be harvested in the same manner. While the CPU is designed to minimize the latency of 

Posted in Projects 2017 Tagged with: , ,

Scotland for the summer, seriously?

  “It’s gonna be cold and rainining up there the whole time…” If I got a pound every time  I heard that in the last months, I could buy a kilt (which are not cheap by the way). While most

Posted in Blogs 2015 Tagged with: , , , , , ,

Johannes Pekkilä

Johannes Pekkilä is a Master student at the Aalto University School of Science in Finland where he studies Computer Science. His academic interests are parallel computing, calculations on graphic processing units and computational physics (he even did his Bachelor’s on

Posted in Participants 2016 Tagged with: , , , , ,

Training Week 2016!

PRACE Summer of HPC 2016 Update: Training week at Juelich This year, training week was at Juelich and it seems to have been the best training week yet! From MPI to Go-karting and good food, the week was a blast! It was

Posted in Summer of HPC 2016 Tagged with: , , , , , ,

How to thrive at Jülich in a nutshell

If you are here because you have survived to one hard month at the JSC, A.K.A. Jail for Students of Computer Science. You should be proud, but now it is not the time for bragging, you are still at the

Posted in Blogs 2015 Tagged with: , , , , ,

How to work at Jülich in a nutshell

Working at Jülich might seem an easy task for the inexperienced student. However, it is one of the most difficult challenges that one can face. It is impossible to keep track of how many students have tried, innocent as they

Posted in Blogs 2015 Tagged with: , , , , , ,

Making Quarks phli further

Simulations of Lattice Quantum Chromodynamics (the theory of quarks and gluons) are used to study properties of strongly interacting matter and can, e.g., be used to calculate properties of the quark-gluon plasma, a phase of matter that existed a few milliseconds after the Big Bang (at temperatures larger than a trillion degrees Celsius). Such simulations take up a large fraction of the available supercomputing resources worldwide.

Posted in Projects 2015 Tagged with: , , ,

A Fast Multipole Toolbox for GPU cluster

Modern multi- and many-core hardware architectures provide a huge amount of floating point operations (FLOPs). To harvest these FLOPs efficiently a lot of parallelism in the examined algorithm needs to be uncovered and exploited. Performance boosts are well hidden in low-level hardware features of the CPUs or GPUs. The great diversity and short life cycle of todays HPC hardware does not allow for hand-written, well-optimized assembly kernels anymore. This begs the question if we can utilize the hidden performance from high-level languages with greater abstraction possibilities like C++.

Posted in Projects 2015 Tagged with: , , ,

Marco Borelli

My name is Marco Borelli, and I’m writing from Jülich, Germany. For my Summer of HPC project I was assigned to the supercomputing facility of Jülich Forschungszentrum, a beautiful research center located in the region of North Rhein-Westphalia. My project consists of an implementation of the Fast Multipole Method on (GP)GPUs.

Posted in Project reports 2014 Tagged with: , , ,

David Hermosa Garcia

The past weeks at the Forschungszentrum in Juelich (Germany) have been awesome. I’ve been granted a bike to move around and I found myself enjoying the differences between my place in Spain and here. I suppose it’s the same as traveling anywhere else, but the weather, the forests and the German culture in general are a great change for me.

Posted in Project reports 2014 Tagged with: , , ,
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