CERN Accelerating science

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1.
25 years ago: the strategic move to PCs in high-energy physics / Jarp, Sverre
In September 1995, 25 years ago, a paper entitled “The PC as Physics Computer for LHC?” was presented at the CHEP-95 conference. [...]
CERN-IT-Note-2020-002.
- 2020. - 2 p.
Access to fulltext
2.
Evolution in Computing Hardware / Jarp, Sverre (speaker)
Brief Description: This lecture will review key aspects of CERN’s central computing from mid-1970 until now; more than four decades corresponding to the speaker’s involvement with CERN. Lecturer's Short Bio: Sverre Jarp worked in the IT Department at CERN for over 40 years and held multiple managerial and technical positions promoting advanced but cost-effective, large-scale computing and data management solutions for the Laboratory. Today, as honorary staff at CERN, he retains an unabated interest in several IT areas, in particular processor architecture related to the domains of Big Data and High Throughput Computing as well as application scalability based on vector- and parallel-programming. [...]
2019 - 3442. CERN openlab Summer Student programme 2019 External link: Event details In : Evolution in Computing Hardware
3.
Beyond core count: a look at new mainstream computing platforms for HEP workloads / Szostek, Pawel (CERN) ; Nowak, Andrzej (CERN) ; Bitzes, Georgios (CERN) ; Valsan, Liviu (CERN) ; Jarp, Sverre (CERN) ; Dotti, Andrea (CERN)
As Moore's Law continues to deliver more and more transistors, the mainstream processor industry is preparing to expand its investments in areas other than simple core count. These new interests include deep integration of on-chip components, advanced vector units, memory, cache and interconnect technologies. [...]
2014 - 9 p. - Published in : J. Phys.: Conf. Ser. 513 (2014) 062036
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013, pp.062036
4.
Does the Intel Xeon Phi processor fit HEP workloads? / Nowak, Andrzej (CERN) ; Bitzes, Georgios (CERN) ; Dotti, A (CERN) ; Lazzaro, A (CERN) ; Jarp, Sverre (CERN) ; Szostek, Pawel (CERN) ; Valsan, L (CERN) ; Botezatu, M (CERN) ; Leduc, J (CERN)
This paper summarizes the five years of CERN openlab's efforts focused on the Intel Xeon Phi co-processor, from the time of its inception to public release. We consider the architecture of the device vis a vis the characteristics of HEP software and identify key opportunities for HEP processing, as well as scaling limitations. [...]
2014 - 9 p. - Published in : J. Phys.: Conf. Ser. 513 (2014) 052024
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013, pp.052024
5.
6th INFN International School on "Architectures, tools and methodologies for developing efficient large scale scientific computing applications - ESC14" - ESC14   19 - 25 Oct 2014  - Bertinoro, Italy  / Elmer, P (ed.) (Princeton University); Bastieri, D (ed.) (Padova University and INFN); Binet, S (ed.) (CNRS IN2P3); Galli, D (ed.) (Bologna University and INFN); Giacomini, F (ed.) (INFN CNAF); Jarp, S (ed.) (CERN); Innocente, V (ed.) (CERN); Mattson, T (ed.) (Intel Corp.); Vagnoni, V (ed.) (INFN Bologna); Morandin, M (ed.) (INFN Padova) et al.
2014
6.
Report on the parallelization of the MLfit benchmark using OpenMP and MPI / Lazzaro, Alfio ; Jarp, Sverre ; Leduc, Julien (CERN) ; Nowak, Andrzej (CERN) ; Valsan, Liviu (U. Polytechnic Bucharest)
This report describes the development of an MPI parallelization support on top of the existing OpenMP parallel version of the MLfit benchmark for a hybrid evaluation on multicore and distributed computational hosts. [...]
CERN-OPEN-2014-030.
- 2012. - 9 p.
Preprint
7.
Comparison of Software Technologies for Vectorization and Parallelization / Lazzaro, Alfio ; Jarp, Sverre ; Nowak, Andrzej (CERN) ; Valsan, Liviu (U. Polytechnic Bucharest)
This paper demonstrates how modern software development methodologies can be used to give an existing sequential application a considerable performance speed-up on modern x86 server systems. [...]
CERN-OPEN-2014-029.
- 2012. - 22 p.
Preprint
8.
5th I.N.F.N. International School on Architectures, tools and methodologies for developing efficient large scale scientific computing applications - ESC13 - ESC13   20 - 26 Oct 2013  - Bertinoro (fc), Italy  / Elmer, P (ed.) (Princeton Univ.); Bastieri, D (ed.) (Padova Univ. and INFN); Binet, S (ed.) (CNRS IN2P3); Galli, D (ed.) (Bologna Univ. and INFN); Giacomini, F (ed.) (INFN - CNAF); Jarp, S (ed.) (CERN); Innocente, V (ed.) (CERN); Mattson, T G (ed.) (Intel Corp); Vagnoni, V (ed.) (INFN - Bologna)
2013
9.
Many-core experience with HEP software at CERN openlab / Jarp, Sverre (CERN) ; Lazzaro, Alfio (CERN) ; Leduc, Julien (CERN) ; Nowak, Andrzej (CERN)
The continued progression of Moore's law has led to many-core platforms becoming easily accessible commodity equipment. New opportunities that arose from this change have also brought new challenges: harnessing the raw potential of computation of such a platform is not always a straightforward task. [...]
2012 - 26 p.

In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.042043
10.
The future of commodity computing and many-core versus the interests of HEP software / Jarp, Sverre (CERN) ; Lazzaro, Alfio (CERN) ; Nowak, Andrzej (CERN)
As the mainstream computing world has shifted from multi-core to many-core platforms, the situation for software developers has changed as well. With the numerous hardware and software options available, choices balancing programmability and performance are becoming a significant challenge. [...]
2012 - 13 p.

In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.052058

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