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Announcing the new low-latency cluster

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Posted on 16 May 2008

The Irish Centre for High-End Computing (ICHEC) and the Trinity Centre for High-Performance Computing (TCHPC) are extending their on-going collaboration to offer a scheme through which researchers in Ireland can now gain access to TCHPC’s Infiniband cluster as part of ICHEC’s National HPC Service.

This agreement allows ICHEC to support more effectively research groups with applications which exhibited limited scalability on its Walton cluster, therefore granting greater capability to a subset of its users. The TCHPC low-latency high-bandwidth compute resource, funded under the HEA PRTLI3 IITAC program, complements the three existing compute facilities provided by ICHEC and is optimized for medium sized tightly coupled parallel simulations. As the TCHPC cluster bears many similarities with ICHEC’s Walton system (both are IBM 1350 clusters), code portability is expected to be straight forward in most cases.

This agreement is taking place under the auspices of the HEA PRTLI4-funded e-INIS project (“building the Irish national e-Infrastructure”), led by Prof. Luke Drury of the Dublin Institute for Advanced Studies (DIAS).

Period: the agreement is effective from 12th May 2008, and will remain open until 31st December 2008.

Eligibility: ICHEC Class B PIs. As the amount of resources available is limited, we are unable to offer Class A access to these resources.


1. Class B PIs – request for access can be submitted through the ICHEC helpdesk for existing Class B PIs. Note that a strong justification for access to low-latency interconnect will be required, including a clear case that migration from the Walton cluster to the TCHPC cluster will improve code scalability, and justify the need to run on more processors.

2. New users – must become Class B PIs in the first instance. This process involves the preparation of a scientific proposal to be independantly reviewed by the Scientific Council. See access to the full national service for further information.


Dr. J.-C. Desplat (ICHEC, Associate Director)

Dr. G. Bradley (TCHPC, Acting Director)


About ICHEC: the Irish Centre for High-End Computing (ICHEC) is a project funded by Science Foundation Ireland (SFI) with contributions from the Higher Education Authority (HEA) through the CosmoGrid and e-INIS projects. ICHEC is hosted by the National University of Ireland, Galway (NUIG) with staff located in Dublin and Galway. ICHEC operates a number of national services to the Irish research community, including the recently open national capability service (Blue Gene). ICHEC is one of the key partners of the e-INIS collaboration.

About TCHPC: founded in 1997, the Trinity Centre for High Performance Computing (TCHPC) is Ireland’s longest established academic advanced computing centre providing large-scale supercomputing, data management and visualisation facilities for users in Trinity College Dublin. The Centre’s primary mission is to facilitate research, with advanced compute requirements, across a broad range of disciplines. TCHPC is funded by HEA and SFI and is a partner in the e-INIS initiative where its remit was extended to provide national service in collaboration with ICHEC.

About e-INIS: e-INIS (which can be read in Irish as the electronic isle, or in english as an anagram of Irish National e-InfraStructure) is a national collaboration coordinated by the Dublin Institute for Advanced Studies and funded by the HEA under PRTLI cycle 4 to develop an integrated e-infrastructure. It brings together the existing key infrastructure providers, HEAnet, Grid-Ireland and ICHEC, together with key university partners.

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