By Brun, René; Forschungsprozess.; Galli Carminati, Giuliana; Grid Computing.; Hochenergiephysik.; Informationstechnik.; Softwareentwicklung.; Carminati, Federico (eds)
Born after international warfare II, large-scale experimental high-energy physics (HEP) has came across itself constrained ever given that through to be had accelerator, detector and computing applied sciences. consequently, HEP has made major contributions to the improvement of those fields, quite often using their recommendations. the discovery of the area broad net at CERN is basically the best-known instance out of many. This ebook is the 1st accomplished account to track the background of this pioneering spirit within the box of computing applied sciences. It covers every thing as much as and together with the present-day dealing with of the massive calls for imposed upon grid and dispensed computing by means of full-scale LHC operations―operations that have for years concerned many millions of participating contributors around the world and as a result give you the unique and traditional testbed for grid computing recommendations. This ebook takes the reader on a guided journey encompassing all suitable themes, together with programming languages, software program engineering, huge databases, the internet, and grid- and cloud computing. the $64000 factor of highbrow estate laws for disbursed software program engineering and computing is additionally addressed. Aptly, the booklet closes with a visionary bankruptcy of what may perhaps lie forward. Approachable and requiring basically simple figuring out of physics and laptop sciences, this publication is meant for either schooling and learn
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Extra resources for From the web to the grid and beyond : computing paradigms driven by high-energy physics
I considered this decision as a profound injustice for Julius Zoll, the main developer of HYDRA (and many other systems too like PATCHY). The very same day that the decision in favour of ZBOOK was taken, and following the congratulations of my colleagues, I was kindly invited to a meeting by some people (Francis Bruyant, Martin Pohl and Harvey Newman) from the L3 collaboration. They all accepted Butterworth’s decision, but were still hoping that some features from HYDRA could be incorporated inside ZBOOK.
FORTRAN 90: too little too late, or too ambitious? A lost occasion for HEP or a narrowly escaped blind alley? The FORTRAN 90 standard was published many years after FORTRAN 77 was out. ) Dynamic memory allocation Operator overloading Keyword argument passing 1 Technologies, Collaborations and Languages: 20 Years of HEP Computing 13 • Control of numeric precision and range • Modules – packages containing variable and code In the early 1990s, FORTRAN 90 seemed to be the obvious evolution to the well-established FORTRAN 77.
This cluster attracted interest from the other LEP experiments and the SHIFT system, with a large number of SGI, and then later SUN, DEC and HP machines, became very popular for LEP computing. In the early 1990s, MPP (Massively Parallel Processor) systems were thought the way to go, as many people predicted that the computing power of conventional scalar systems would not exceed the power of a Cray processor. However, this prediction proved to be totally wrong with the advent in 1994 of the Intel x86 architecture and the associated explosion of inexpensive computing that has witnessed the multiplication in one decade of the CPU, RAM and disk by at least two orders of magnitude.