EN Bereichsnavigation EN

Today Special Maintenance on Monte Rosa

May 15th, 2012

After some initial delays with the supply of the new hardware, CSCS  is happy to report that we have made good progress with the building of the new scratch file system for Monte Rosa. This file system has held up under testing with Todi and consequently we are now in a position to mount it on Monte Rosa and stress test it at scale and under realistic user loads. For this reason we need to have a special maintenance on Rosa today (15 May) from 8am to 6pm in order to upgrade the Monte Rosa OS and mount the new file system.

If all goes well you can expect a follow-up e-mail from us detailing how to use the new file system in parallel to the current temporary scratch file system. All going well we will finalise the production status of the new file system by making it the default scratch file system during the 4 June maintenance.

 

Swiss Radio DRS3 reporting about CSCS and Supercomputing

May 14th, 2012

The Swiss radio broadcast reported (in German) about CSCS, Supercomputing and the move to the new building in Lugano.

DRS3 visited CSCS at the end of April, just after the move of the supercomputer Monte Rosa to the new location in Lugano and interviewed the General Manager, Dominik Ulmer and Maria Grazia Giuffreda, Head of User Support. Dominik and Maria Grazia explain in the interview the particularities of the new building and the applications and relevance of supercomputing.

Listen to the radio broadcast and view the movie produced by DRS3 »

Interdisciplinary project with University of Lugano (USI) on Computational Finance funded by Swiss National Science Foundation

May 10th, 2012

Analysis and prediction of financial risks, such as market and credit risks, is one of the central problems in modern economy. An adequate understanding of the available risk data requires advanced mathematics and refined high performance numerical algorithms. A pilot study carried out at the Institute for Computational Science at the University of Lugano (USI) in 2011-2012 on the CSCS XE6 illustrated great promise of such techniques running on supercomputers.

In order to weave together the necessary disciplines to address this global challenge, Profs. Illia Horenko (Institute of Computational Science) and Patrick Gagliardini (Department of Economics) joined forces with CSCS (represented by Dr. William Sawyer), in a proposal to the Swiss National Science Foundation (SNF) to develop new high performance algorithms for time series analysis for parameterizing the risks. The algorithm development will go hand-in-hand with the implementation and comparison on high-performance platforms at CSCS.

The resulting algorithms will be applied to available financial databases for identification of statistically significant regional and global financial inter-dependencies. From these the team hopes to extract the significant external factors influencing the Swiss economy.

Recently the SNF approved the proposal and will fund two PhD students at USI for 3 years. These students will be interact closely with CSCS while developing the risk analysis software.

CSCS Scheduled Maintenance – May 9th, 2012

May 8th, 2012

The next regular scheduled maintenance day for CSCS systems is Wednesday May 9th.

On that day the following systems will be affected, with the expected downtimes as indicated:

* Front-end system:

Ela: no maintenance scheduled

* Cray XE6:

Monte Rosa:   08:00 – 18:00

* Cray XK6:

Tödi:   08:00 – 13:00

* Cray XMT:

Matterhorn: 08:00 – 13:00

Please note that the Cray systems will be down mainly because of testing of the cooling system. Only “Monte Rosa” is expected to have an additional HW and SW intervention.

* iDataPlex

Castor/Pollux: 08:00 – 10:00 SW upgrade

* SGI Altix UV:

Rothorn: no maintenance

* Viz and post-processing:

Eiger:  no maintenance

Piz Julier:  08:00 – 18:00  SW upgrade

* File System and Storage:

/home , /apps,  /project: no maintenance

* Network: no maintenance

 

Nvidia GeForce GTX 680 arrived

May 7th, 2012

The first member of the Kepler family of graphics processing units, the GeForce GTX 680 graphics card arrived mid of April . The new solution is aimed at high-end gamers and is based on the GK104 graphics processor. Note, the  new 28nm Kepler GPU at the heart of the GTX 680 is not the top-of-the-range Kepler chip which  will be available later this year. Although targeted for the gaming area, it is worthwhile to analyze single-precision applications of the GTX 680. The new chip achieves a peak of 3090 GFLOPS in single precision.

The new chip now consists of 4 GPCs, 8 SMX with 192 cores each which results in 1536 stream processors with 256-bit Interface Width to the GDR5 Memory. It allows a memory bandwidth of up to 192 GB/s.

More details in the Nvidia Whitepaper