My story with Johannes

Don’t worry mum, Johannes is not my new Irish boyfriend! It is the computer I work with, and it is fantastic! Some of its hardware details are: Two Intel® Xeon® Processor E5-2643 (LINK): 4 cores @3.30 GHz 2 WD Caviar

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MPI – Notes from Training Week

Synchronous and asynchronous communication in MPI Here is a very nice video from our first training week in EPCC, Edinburgh. Dr. David Henty describes message passing as an introduction to MPI concepts and the difference between synchronous and asynchronous communication.

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Timeline Profiling & Visualisation in Python : The first introduction

Project Description About a week ago, I was asked to write a few words about my project on Summer of HPC. The abstract on that report was this: This project’s objective is to make Python interaction with Score-P possible. The

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When FORTRAN met OpenCL – A Love Story? (of Integration)

Both of the projects Lukas and I are working on, here at NBI Copenhagen, are based on FORTRAN. Either Photon-Plasma simulations or CESM for climate modeling (as most climate modeling software around). Certainly, a vast majority of scientific code is

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Work smarter, not harder

to zhe laboratory!

A part of my project includes writing a plugin to help visualize data. For building plugins, I needed to compile ParaView from source and as you may or may not know, installing programs this way can sometimes take a considerable

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Lost?! Follow the orientation of a liquid crystal!

In the field of condensed matter physics, liquid crystals have a particular relevance due to their complex phase behaviour, their role as functional states of matter and particularly also because of their relevance for technological applications. Actually, the antithetic and

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The Man Who Invented the 20th Century

It would be unthinkable to spend the summer in Serbia without visiting a museum dedicated to its most famous citizen, so Onur and I took the chance to visit the Nikola Tesla Museum in Belgrade. In all honesty, it’s difficult

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How fast is a dinosaur?

Is a dinosaur faster if it has longer legs? Is it better for it to be bigger, and hence cover more distance, or to be smaller and lighter? Which species is the fastest? Thanks to high-performance computing, you will soon

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Surfing in the HBONE+

After 3 weeks of acclimatization in Budapest, I am finally ready to present you the NIIF Institute where I am currently working with Elisavet. The first weeks were mostly about learning how to use new tools and how to send

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What Do Surfers and Electrons Have in Common

In this blogpost I will try to explain the project in which I am participating. The project is called Visualisation of Electron – Phonon Coupling in Organic Semiconducting Materials. I am assuming that the main target audience for this blogpost is

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If you can visualize the shape, you can understand the system

James Clerk Maxwell (1831-1879) was a Scottish theoretical physicist. His most prominent achievement was the formulation of a set of equations over which we walked in the hallway of James Clerk Maxwell building at EPCC supercomputing centre (University of Edinburgh). His

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Learning is gaining

We are living the real parallel computing revolution. The concern of forefront scientists has become mainstream with high performance computers and new environments. During my first half of a time in Barcelona Supercomputing Centre (BSC) I have learned a lot

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One framework to simulate (nearly) every problem: Welcome, OpenFOAM!

The topic of our projects in Istanbul is simulation and visualisation of bioflow in coronary arteries. Since a lot about visualisation software such as ParaView and Visit has already been said, today we want to introduce the simulation software we will

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Para arriba…

After two weeks in Barcelona I have to say that applying for SoHPC was one of the best decisions I’ve ever made. It’s not only the everlasting warm weather, sand beaches, unique architecture, lots of places to visit, great people

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The Celtic Explorer

Background My project is going to be a part of an already started project. The Celtic Explorer is an Irish research vessel that is used frequently in many research expeditions and carries a large array of scientific instruments. The simulation

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Killing the supercomputing Hydra

I guess you all heard about the story of St. George and the Dragon [1]. According to the legend, the Dragon caused many problems to the ancient city of Lasia, somewhere in the near East. The Dragon was really bad,

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Site Spotlight: EPCC, UK

Edinburgh is the capital of Scotland. A picturesque city of about half a million people, known as the “Athens of the North” during the enlightenment due to its classical architecture and intellectual activity, is on the UK tourism map, second only to London,

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Golden City of a Hundred Spires

The first two weeks are already over as time flies by. Since we are making good progress on the project (Niki will give you an update on that!) we paid a visit to Prague. Since we had roughly 2 days,

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CFD For Disasters

Natural disasters have been present since the beginning of time. In the beginning of June, more than 7,000 people were evacuated in the region of Bohemia, because of the flooding of Vltava and Elbe rivers [1]. According to estimates, the

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A Week Full of Surprises

Man at Work We arrived at the first day, after a long and peaceful weekend. Lukas went to the beach, but concluded it was too small for him. There are more to look after. Days in Copenhagen can be tricky,

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Quiz – clustered data using k-means

Moti and I work on the k-means clustering project, you can read our first post about it. Now we prepared a short and easy quizz related with k-means topic for you. When you cluster dataset using classic k-means algorithm you

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Discovering the Energy of the Future

The essence of our projects is adding new functionality to existing software. However, as software is only a means to an end, a question arises right away: what is it going to be used for? The answer is an exciting

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EXIT Festival next to Belgrade

Last weekend I’ve been to Serbia as a special guest at Onur & Caoimhín’s place. The travel from Budapest was a bit long by train and quite rough due to several police ID checks. However, I met a friendly Serbian

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Working with Climate Data

Greetings from the Irish Centre of High-End Computing (ICHEC) in Galway, Ireland. I have settled down, learned the basics of what I need for my project and started working on it. My project involves processing and visualization of climate data

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Plasmary, plasmary night

What is the best way to visualise a vector field? In 2D, the answer is obviously field lines since they elegantly show both the direction and, by their proximity to one another, magnitude of the field. Since the lines never

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