Status Confirmed Seminar Series COURS Subjects cond-mat,hep-th,physics,quant-ph Date Friday 7 June 2019 Time 10:00 Institute IPHT Seminar Room Salle Claude Itzykson, Bât. 774 Speaker's Last Name François Gélis And Grégoire Misguich Speaker's First Name Speaker's Email Address Speaker's Institution IPhT Title Parallel programming for physicists (1/4) Abstract \noindent Modern computers have a growing number of processors or cores''. From a few units in a simple laptop, to several thousands in big servers, their number has been growing quickly over the years. But to fully take advantage of this computing power, it is necessary to have codes or softwares being able to distribute a given task over several processors working in parallel. \\ \\ These lectures will present an introduction to parallel programming in the context of scientific calculations; \par Introduction to hardware aspects (shared'' versus distributed'' memory, communication between processors, vectorization, etc.) \par Solutions based on already-parallel'' softwares (from linear algebra libraries to highlevel computer algebra softwares) \\ \\ We will then present two widely used libraries for code parallelization, OpenMP (Open MultiProcessing) and MPI (Message Passing Interface). \\ \\ These lectures will be based on simple and concrete examples. They are intended for people with some basic programming knowledge (for instance in C/C++, Python or Fortran), but no prior experience with parallelization. arXiv Preprint Number Comments https://courses.ipht.cnrs.fr/?q=en/node/228 Attachments 2019_GM.pdf (8491135 bytes)

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