Sam Green

Hi, my name is Sam Green and I’m from a small city called Waterford in the South of Ireland. I grew up in the countryside surrounding the city (technically Kilkenny countryside but lets not get into those sort of details)

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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.

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Shukai Wang

Hi everyone! I am Shukai Wang, a Chinese girl from a very very very beautiful city, called Hangzhou (you should visit!), I have spent my past 7 years in the UK but I am now following the two-month PRACE Summer of HPC program

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Petr Stehlík

Ahoj! My name is Petr and I come from a magical land of beer – Czech Republic. I live and study in Brno, the second largest city, sometimes called the Silicon Valley of central Europe. Last spring I finished my

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Has the rain stopped yet?

Indeed, as the summer comes to an end I realize I had a lot of rain – both here in Scotland and on my computer screen. My project was to develop a weather visualisation application which will be used at

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The need for speed

Imagine for a second the following: You are given access to one of the fastest supercomputers on Earth, if not the Universe! You are given a desk in an institute in the middle of pretty much nowhere, you are granted

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The wonders of the subatomic world: tiny particles and huge computers.

Note: On monday I started working on the PRACE Summer of HPC project called: Mixed precision linear solvers for lattice QCD. Since I think that most people don’t know about the subject I will write this post to tell you

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Ambra Abdullahi Hassan

Ambra is a lovely, fun Italian girl of 24 years. Actually while her mom is Italian her dad comes from Somalia. Unfortunately she does not speak Somalian yet, nor has she been there — something she certainly wants to change in the future. Ambra

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Tomislav Šubić

“When I saw Tomislav for the first time I knew that he is not the right person to make a fun of,” said his best friend Boris. “He doesn’t say a much, but I just know, you say the wrong

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Final Reports on Summer of HPC

We have now reached the last week of the internship and I have just completed my final report. Summer of HPC has been a great experience. I learned a lot during the last two months and am pleased to have

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The Fast Multipole Method: A Coulomb solver for the masses

There is time for laughs and there is also time for being serious and getting things done. In this blog post I would like to summarize what I have learned about the Fast Multipole Method during this programme. This theoretical

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Two months later…

The summer of HPC has come to an end and I have the best impressions. Let’s have a summary of these couple months. The summer started with a kick off meeting in Barcelona. Sunny weather and interesting lectures for 5

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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

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If you like history then you’ll love Italy!

This time more about my whereabouts in August of 2015. During the summer time, especially in August, Italy is on vacation. Many people go to the seaside or retreat to the more fresh climate in the mountains. The consequence is

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Visualisation of FFEA tool results

Hi all, have you noticed that it is end of summer? This summer was so crazy fast, that I almost didn’t notice. Now it is time to explain to you what I have done during the last two months. Don’t

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Numerical Algorithms in LQCD

Here I will attempt to explain some of the more technical numerical aspects as to the algorithms being used in tmLQCD and some other interesting things about QCD. A computationally significant part of Lattice Quantum Chromodynamics is the solving of

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Zagreb, Vienna, OpenFoam vs ANSYS

I’ve had a busy and fun couple of weeks. After weeks of wrestling with OpenFOAM I finally got some results comparable to experiment and the commercial CFD software ANSYS. As usual, I’ve been traveling on weekends whenever possible. First the

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A (hopefully) gentle introduction to lattice QCD

As I have mentioned in my previous blog posts, my Summer of HPC project is optimizing software for lattice quantum chromodaynamics computations. Since this probably doesn’t ring a bell for someone who has not studied physics, I will try to provide

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Nothing more equal than two parallel lines.

There is nothing more equal than two parallel lines- hence why we have two parallel lines as a sign of equality ‘=’.  How is this related to programming? This particular fact isn’t, however we do use the concept of ‘parallel’

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Docking in BSC

Until now everything ran quite quickly. I still can not believe that the first month has already passed. So far it has been the most important working experience in my life. I liked everything in Barcelona because it reminds me of

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“ARCHER Challenge” sneak peek

Since we are heading towards the end of our summer school I would like to give you a small preview of my project, the name of which is “ARCHER Challenge”, named after the UK National Supercomputing Service, located a few

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I know we’re supposed to not care how it works as long as it works. But last Monday we decided to throw caution to the wind and went down into Salomon’s layer (room where they keep the supercomputer). This is

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Hola Barcelona!

HPC’s introductory week in Barcelona ended up with beautiful pictures of young team-spirited researchers who, despite the difference of their fields of study they, all had something in common: they were ready to disperse throughout the world in order to

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A picture is worth a thousand thousand tiny numbers.

This week I decided to talk a bit more about my project. Here at IT4Innovations they have innovated a program abbreviated ESPRESO (ExaScale PaRallel FETI SOlver). It is a highly efficient solver that contains FETI based algorithms. FETI, other than sounding like

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Discovering Italy

After an intensive training week at the Barcelona Supercomputing Center the time arrived to say goodbye to all newly acquired friends and start the journey to Italy. Me and Cem took a taxi to Barcelona-El Prat Airport because no public

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