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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.
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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

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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

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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

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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

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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

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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

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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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Creating and improving multi-threaded Geant4 / Dong, Xin (Northeastern U.) ; Cooperman, Gene (Northeastern U.) ; Apostolakis, John (CERN) ; Jarp, Sverre (CERN) ; Nowak, Andrzej (CERN) ; Asai, Makoto (SLAC) ; Brandt, Daniel (SLAC)
We document the methods used to create the multi-threaded prototype Geant4MT from a sequential version of Geant4. We cover the Source-to-Source transformations applied, and discuss the process of verifying the correctness of the Geant4MT toolkit and applications based on it. [...]
2012 - 17 p.

In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.052029

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10.

Parallel Likelihood Function Evaluation on Heterogeneous Many-core Systems / Jarp, Sverre ; Lazzaro, Alfio ; Leduc, Julien (CERN) ; Nowak, Andrzej (CERN) ; Sneen Lindal, Yngve (NTNU, Trondheim) /CERN openlab Collaboration
This paper describes a parallel implementation that allows the evaluations of the likelihood function for data analysis methods to run cooperatively on heterogeneous computational devices (i.e. CPU and GPU) belonging to a single computational node. [...]
CERN-IT-2011-012.- Geneva : CERN, 2011 - 8 p. Fulltext: PDF;
In : International Conference on Parallel Computing, Ghent, Belgium, 30 Aug - 2 Sep 2011, pp.ParCO

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Veja também: nomes de autores similares
5	JARP, S.
30	Jarp, S
5	Jarp, S.

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