Adéu, Barcelona.

The sea through the train window

Well, I’m writing this from back home in Norway after a great summer in Barcelona! This time, I’ve decided not to write so much hard scientific stuff as before. For that, I refer back to my two previous posts one on

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

More on Deep Q networks

Nature cover

It’s time for another blog post apparently! Just as last time, I have decided to fill it with science! This time I will talk mostly about the “Deep Q Network” and the “Stochastic Gradient Descent” algorithm. These are all fairly

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Artificial Brains for enhancing Crowd Simulations?!

A visualisation of a biological neural network.

Hi all, In my previous post I introduced myself and the SoHPC programme. Now it’s time for my project. Why Crowd Simulation? Throughout history, humankind has had a clear preference for grouping together in larger and larger groups. On the global scale, 54

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Anton Lebedev

Careful theoretical analysis

“A typical German guy”. That is me, Anton Lebedev, according to my co-conspirator Aleksander Wennersteen, who will be joining me at the Barcelona Supercomputing Center (BSC) in Spain to work in the domain of general purpose graphics processing units (GPGPU)

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Aleksander Wennersteen

You’re like a magical giant -Dimitra I’m 23 years old and in my third year of the five year MPhys in Mathematical Physics at the University of Edinburgh. This summer, I will be participating in the Summer of HPC, based

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Hybrid Monte Carlo Method for Matrix Computation on P100 GPUs

Project reference: 1701 The focus of this project will be on  enhancing further hybrid (e.g. stochastic/ deterministic) method for Linear Algebra. The focus is on Monte Carlo and quasi-Monte Carlo hybrid methods and algorithms for matrix inversion and solving systems

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Monte Carlo and Deep Learning Methods for Enhancing Crowd Simulation

Project reference: 1702 Simulating realistic large scale crowd behaviours is a complex endeavour. The use of real data and realistic perception models is required. And once the behaviour is established, one must generate and animate varied characters for realistic visualization

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Sophie’s World, Chapter 2: The project

In case you have cheched out this video, you might be wondering what this project is all about. In case you haven’t, I will wait for you 3:33 minutes to see it and return 🙂 Ok, now a little background

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

Why is high performance computing so good for image analysis?

My Summer of HPC project  was officially titled “Development of  a sample application in PyCOMPSs”. As you can probably tell it’s a pretty vague title, and I was given a lot of freedom to come up with my own project,

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Sophie’s World, Chapter 1

Time flies. We are already in the middle of the PRACE Summer Of HPC Computing programme and it seems like yesterday when we first arrived for the training week in Germany. So here is a quick recap of our full

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Python Public Service Announcement: Virtual environments

Snake oil - Python get it?...

Possibly fictitious excerpt from the Python Conference announcement of Virtual Environments. Most honorable Python developers, please raise your hand if you’ve ever gone from the highs of writing Python to the dreary comedowns of library version control. “Everybody raises hands”

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Marco Forte

Marco's grand day out (Cologne)

Each year aspiring young programmers, engineers, and scientists from throughout the fabled land of Europe set out on a noble quest to tour the furthest reaches of the realm, seeking to master the arcane art of parallelism, and spread the

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Sofia Kypraiou

Sophia Kypraiou is a young student from Greece. She is an undergraduate student at the Department of Informatics and Telecommunications of the University of Athens and she will graduate during September. She is currently finishing her thesis on “Temporal Recommendation

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Visualization data pipeline in PyCOMPSs/COMPSs

Project reference: 1601 COMPSs is a programming model and runtime that aims at parallelizing sequential applications written in sequential programming languages (Java, Python, C/C++). The paradigm used to parallelize is the data-dependence tasks: the application developer selects the parts of

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Development of sample application in PyCOMPSs/COMPSs

COMPSs is a programming model and runtime that aims at parallelizing sequential applications written in sequential programming languages (Java, Python, C/C++). The paradigm used to parallelize is the data-dependence tasks: the application developer selects the parts of the code (methods, functions) that will become tasks and indicates the directionality of the arguments of the tasks. With this information, the COMPSs runtime builds a data-dependence task graph, where the concurrenty of the applications at task level is inherent. The tasks are then executed in distributed resources (nodes in a cluster or a cloud). The runtime implement other features such as data transfer between nodes or elasticity in the cloud.

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Go user-friendly or go home

Working at BSC Barcelona, post-training week. To my colleagues who have flown to other SoHPC destinations, I would like to report that the city is alive and well, hot and welcoming as ever, and that thankfully the AC in our

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

Looking back at the training week

During the last few weeks before the Summer of HPC, I literally didn’t stop for a second. I was exhausted after trying to finish my exams so I was really looking forward to some time off. And what can be

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About training week

The Summer of High Performance Computing (SoHPC) is a program run by the Partnership For Advanced Computing in Europe (PRACE), and it gives you a chance to learn and enjoy your summer at one of the supercomputing Centers in Europe. The

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Graphical interface for real time monitoring, automatic event detection, and alert triggering in HPC parallel software

Large HPC physics simulations can create local signs of failure or success long before a global signature is observed. If these signs go unnoticed valuable computer resources could be spared. We have created a system that monitors software in real time looking for predefined signatures of problems. When one is detected, the software can create a fast automatic rendering of the problem area and send an alert to the user, who can evaluate the seriousness of the issue and decide whether to cancel the computation early.

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Collaborative interface for in-situ visualization and steering of HPC molecular dynamics simulations

HPC software tends to work in batch modes, where simulations are submitted to supercomputer queues, and results are collected and analyzed only after they have finished computing. We are developing an infrastructure for real time visualization, analysis, and steering of HPC code. In particular we are focusing on PELE, an efficient molecular dynamics simulation software. The architecture is: PELE runs on HPC hardware while connected to a server that preprocesses data and streams 3D renderings of the molecules to a GUI, where the end user can tweak simulation parameters which are then sent in real time to PELE. The interface we are developing includes state-of-the-art interaction design and is prepared to run on many platforms (including touch, motion, and voice input), and can be used simultaneously and collaboratively through many devices. The summer project will be dedicated to implementing one feature of the end GUI.

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Announcing the SoHPC Award Winners!

Yesterday, Dr. Sergi Girona, chair of the PRACE Board of Directors, presented awards to two exceptional students in recognition of their outstanding performance on the PRACE Summer of HPC. Vito Simonka (University of Maribor, Slovenia) was named HPC Ambassador and Niki Loppi (Aalto University, Finland) received the award for Best Visualisation.

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Presentations from Spain

Here are Vito and Vojtech’s presentations Vito Vojtech Please follow and like us:

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Barriga llena, corazón contento

As soon as I’ve got to the capital of Catalonia, the second largest city in Spain, I couldn’t move my eyes away from the beautiful sea and the shiny sun. I have spent my first days around the sights in

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Spain – BSC

A supercomputer installed in a chapel in Barcelona, Spain? The Barcelona Supercomputing Center (BSC) is Spain’s national supercomputing facility, specialized in High Performance Computing (HPC). Its mission is to provide infrastructure and supercomputing services to Spanish and European scientists and

Posted in Spotlight 2013 Tagged with: ,

Task Based Parallelization

The project will consist of the analysis of the potential parallelism of an application with Tareador, its porting to the OmpSs programming model and performance analysis and fine tuning with performances tools.

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