Distributed European Infrastructure for Supercomputing Applications: Difference between revisions

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{{Short description|Organization}}

{{refimprove|date=January 2009}}

{{Infobox organization

The '''Distributed European Infrastructure for Supercomputing Applications''' ('''DEISA''') is a [[European Union]] [[supercomputer]] project. It is made up of a consortium of eleven leading national supercomputing centres from seven [[Europe]]an countries. It supports pan-European research by providing and operating a distributed supercomputing environment all over Europeand aims at delivering a turnkey opera­tional solution for a future European [[high-performance computing]] system. By extending the European collaborative environment in the area of supercomputing, DEISA follows the suggestions of [[ESFRI]].

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The '''Distributed European Infrastructure for Supercomputing Applications''' ('''DEISA''') iswas a consortium of major national supercomputing centres in Europe. Initiated in 2002, it became a [[European Union]] funded [[supercomputer]] project. It is made up of aThe consortium of eleven leading national supercomputing centres from seven [[Europe]]an countries. It supportspromoted pan-European research by providing and operating a distributed supercomputing environment all over Europeand aims at delivering a turnkey opera­tional solution for a futureon European [[high-performance computing]] system.systems Byby extendingcreating thea European collaborative environment in the area of supercomputing,. DEISA follows the suggestions of [[ESFRI]].

== History ==

The DEISA project started as DEISA1<ref>[http://cordis.europa.eu/search/index.cfm?fuseaction=proj.document&PJ_LANG=EN&PJ_RCN=9043360&pid=0&q=0B66388C6D78D5C148A0745B42BDAE57&type=sim DEISA1 on [[Cordis]]]</ref> in 2002 developing and supporting a pan-European distributed high performance computing infrastructure. The initial project was funded by the [[European Commission]] in [[Sixth Framework Programme|FP6]]. The funding continued for the followup project DEISA2<ref>[http://cordis.europa.eu/search/index.cfm?fuseaction=proj.document&PJ_LANG=EN&PJ_RCN=10069312&pid=0&q=552A6FB756E2670E450CDD0BC5BED465&type=sim Continued funding]</ref> in [[Seventh Framework Programme|FP7]].

The DEISA project started as DEISA1 in 2002 developing and supporting a pan-European distributed high performance computing infrastructure. The initial project was funded by the [[European Commission]] in the sixth of the [[Framework Programmes for Research and Technological Development]] (FP6) from 2004 through 2008.<ref>{{Cite web |title= Distributed European Infrastructure for supercomputing applications |work= Project funding web site |publisher= [[CORDIS]] |url= http://cordis.europa.eu/project/id/508830 |accessdate= 21 December 2023 }}</ref> The funding continued for the follow-up project DEISA2 in the Seventh Framework Programme (FP7) through 2011.<ref>{{Cite web |title= Distributed European infrastructure for supercomputing applications 2 |work= Project funding web site |publisher= [[CORDIS]] |url= http://cordis.europa.eu/project/id/222919 |accessdate= 21 December 2023 }}</ref>

<ref>{{Cite journal | last1=

Lederer | first1=

H. |title= DEISA2: Supporting and developing a European high-performance computing ecosystem | journal=

Journal of Physics: Conference Series | date=

2008 | volume=

125 | issue=

1 | page=

011003 | doi=

10.1088/1742-6596/125/1/011003 | bibcode=

2008JPhCS.125a1003L |url= https://iopscience.iop.org/article/10.1088/1742-6596/125/1/011003 |accessdate= 21 December 2023 }}</ref>

The DEISA infrastructure couples thecoupled eleven national supercomputing centres which form the DEISA consortium with a dedicated (mostly 10Gbit10&nbsp;Gbit/s) network connection provided by [[GEANT2|GÉANT2]] on the European level and the [[NREN]]s on the national level.research Newand associateeducation partnersnetwork]]s will also be connected to this infrastructure(NRENs).

== Infrastructure ==

<ref>{{Cite encyclopedia |title= DEISA supercomputing network |encyclopedia= Britannica Science&Tech web site |url= https://www.britannica.com/topic/DEISA |accessdate= 21 December 2023 }}</ref>

The DEISA infrastructure couples the eleven national supercomputing centres which form the DEISA consortium with a dedicated (mostly 10Gbit/s) network connection provided by [[GEANT2|GÉANT2]] on the European level and the [[NREN]]s on the national level. New associate partners will also be connected to this infrastructure.

DEISA was the first initiative to overcome the fragmentation of supercomputing resources in Europe. Parts of the national supercomputing resources were provided for most challenging computational projects from all over Europe, providing access to the most advanced and most suitable supercomputer architectures available, for positively reviewed projects. Through DECI, the DEISA Extreme Computing Initiative, not only computing resources, but also advanced application enabling was provided.

== Consortium==

== Consortium==

There arewere 11 principal partners and four associate partners.

=== Principal partners=== were:

The 11 principal partners are:

* [[Max Planck Gesellschaft]], [[Germany]]

* [[Bavarian Academy of Sciences and Humanities]], Germany

* [[Barcelona Supercomputing Center]], [[Spain]]

* [[Cineca|CINECA]], [[Italy]]

* [[CSC, Scientific Computing Ltd]], [[Finland]]

* [[ECMWF|European Centre for Medium-Range Weather Forecasts]], [[United Kingdom]]

* [[Jülich Research Centre]], Germany

* {{Lang|fr|Institut du Développement et des Ressources en Informatique Scientifique}} ([[CNRS]]), [[France]]

* [[Stichting Academisch Rekencentrum Amsterdam]], [[Netherlands]]

* [[EPCC|Edinburgh Parallel Computing Centre]], United Kingdom

* High Performance Computing Center Stuttgart (HLRS), [[University of Stuttgart]], Germany

=== Associate partners ===were:

The four associate partners are:

* CEA, Computing Complex, [[Bruyères-le-Châtel]], France

* JSCC, Joint Supercomputer Center of the [[Russian Academy of Sciences]], [[Moscow]]

* Swiss National Supercomputing Centre (CSCS), [[Manno]], [[Switzerland]]

* The Royal Institute of Technologies - Center for Parallel Computers, ([[Royal Institute of Technology|KTH]]), [[Stockholm]], [[Sweden]]

In 2011 services were taken over by the Partnership for Advanced Computing in Europe (PRACE).

==Deisa Benchmark Suite==

<ref>{{Cite web |title= PRACE |work= PRACE aisbl web site |url= https://prace-ri.eu |accessdate= 21 December 2023 }}</ref>

==DEISA Extreme Computing Initiative - DECI==

DEISA has produced a packaged [[benchmark (computing)|benchmark suite]] to help computer scientists assess the performance of parallel supercomputer systems. The benchmark comprises a number of real applications codes taken from a wide range of scientific disciplines. All the codes are packaged into a structured framework allowing compilation, execution and analysis to be configured and carried out via a set of standard input files.

The DEISA Extreme Computing Initiative (DECI) was launched in 2005 to enhance DEISA's impact on science and technology in Europe. DEISA carried out 6 DECI projects until 2010. After the end of DEISA, DECI was continued by PRACE as Tier-1 level services under the name of "Distributed European Computing Initiative", while the new PRACE Tier-0 level services became the leading edge of supercomputing in Europe.

==The DEISA TeraGrid Collaboration==

The codes were chosen as representative of the scientific projects performed on the DEISA supercomputers. The codes and associated datasets have been selected to be useful in benchmarking systems with peak performances ranging up to hundreds of teraflops, machines which

DEISA was the European counterpart of the US NSF funded TeraGrid project.

are more powerful than a desktop [[personal computer|PC]] by factors of tens of thousands.

<ref>{{Cite encyclopedia |title= TeraGrid supercomputing network |encyclopedia= Britannica Science&Tech web site |url= https://www.britannica.com/topic/TeraGrid |accessdate= 23 December 2023 }}</ref>

In a collaborative effort in 2005, a dedicated trusted network connection was established between DEISA and TeraGrid, to implement a combined global file system spanning two continents. During the Supercomputing Conference 2005, supercomputing applications were carried out both in Europe and in the US with output transparently written to the unified global file system. For details see "Exploring the hyper-grid idea with grand challenge applications: the DEISA-TeraGrid interoperability demonstration".

<ref>{{Cite book |last1= Andrews |first1= P. |last2= Buechli |first2= M. |last3= Harkness |first3= R. |last4= Hatzky |first4= R. |last5= Jordan |first5= C. |last6= Lederer |first6= H. |last7= Niederberger |first7= R. |last8= Rimovsky |first8= A. |last9= Schott |first9= A. |last10= Soddemann |first10= T. |last11= Springel |first11= V. |title= 2006 IEEE Challenges of Large Applications in Distributed Environments |chapter=Exploring the hyper-grid idea with grand challenge applications: the DEISA-TeraGrid interoperability demonstration|date= 2006 |pages= 43–52 |doi= 10.1109/CLADE.2006.1652053 |isbn= 1-4244-0420-7 }}</ref>

==DEISA Publications==

The current suite contains codes relevant to [[astrophysics]], [[fluid dynamics]], [[climate modelling]], [[bioscience]]s, [[materials science]], [[nuclear fusion|fusion power]] and fundamental [[particle physics]]. It has been run by DEISA on a range of its own supercomputers and records of the results are kept for comparison. The DEISA benchmark was used by the EU-funded PRACE project as a starting point for their investigations of benchmarks for the next generation of petaflop supercomputers.

DEISA published a brochure in 2008 and DEISA Digests in 2008, 2010 and 2011.

==Notes==

DEISA Brochure: Advancing Science in Europe (ISBN 978-952-5520-32-3)

<ref>{{Cite web |title= DEISA: Advancing Science in Europe |url= https://www.lederers.eu/Hermann/DEISA/DEISA-Brochure.pdf |accessdate= 21 December 2023 }}</ref>

DEISA Digest 2008: Benefits of Supercomputing (ISBN 978-952-5520-33-0)

<ref>{{Cite web |title= DEISA Digest 2008|url= https://www.lederers.eu/Hermann/DEISA/DEISA-Digest-2008.pdf |accessdate= 21 December 2023 }}</ref>

DEISA Digest 2010: Extreme computing in Europe (ISBN 978-952-5520-40-8)

<ref>{{Cite web |title= DEISA Digest 2010 | url= https://www.lederers.eu/Hermann/DEISA/DEISA_DIGEST_2010.www.pdf |accessdate= 21 December 2023 }}</ref>

DEISA Digest 2011: Extreme computing in Europe (ISBN 978-952-5520-40-8)

<ref>{{Cite web | title= DEISA Digest 2011 |url= https://www.lederers.eu/Hermann/DEISA/DEISA_DIGEST_2011.www.pdf |accessdate= 21 December 2023 }}</ref>

==DeisaDEISA Benchmark Suite==

DEISA has produced a packaged [[benchmark (computing)|benchmark suite]] to help computer scientists assess the performance of parallel supercomputer systems. The benchmark comprises a number of real applications codes taken from a wide range of scientific disciplines. All the codes are packaged into aA structured framework allowingallows compilation, execution and analysis to be configured and carried out via a set of standard input files.

The codes were chosen as representative of the scientific projects performed on the DEISA supercomputers. The codes and associated datasets have beenwere selected to be useful infor benchmarking systems with peak performances ranging up to hundreds of teraflops, machines which are more powerful than a desktop [[personal computer]] by factors of tens of thousands.

The current suite containscontained codes relevant to [[astrophysics]], [[fluid dynamics]], [[climate modelling]], [[bioscience]]s, [[materials science]], [[nuclear fusion|fusion power]] and fundamental [[particle physics]]. It has been run by DEISA on a range of its own supercomputers and records of the results are kept for comparison.{{Where |date= August 2013}} The DEISA benchmark was used by the EU-funded PRACE project as a starting point for their investigations of benchmarks for the next generation of petaflop supercomputers.

==References==

{{Reflist}}

<!--== External links ==

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* [http://www.deisa.eu/ DEISA]

{{DEFAULTSORT:Deisa}}

{{Benchmark}}

[[Category:Supercomputing]]

[[Category:Information technology organizations based in Europe]]

[[Category:Supercomputing in Europe]]