X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/book_gpu.git/blobdiff_plain/637049bfdd22c413d65ad0548d2d18a70a1fa6be..ca38d6218b9ba6a0fd2e0b2126c6b38146504b8e:/BookGPU/Chapters/chapter6/ch6.tex diff --git a/BookGPU/Chapters/chapter6/ch6.tex b/BookGPU/Chapters/chapter6/ch6.tex index bc5ea3f..65698d7 100755 --- a/BookGPU/Chapters/chapter6/ch6.tex +++ b/BookGPU/Chapters/chapter6/ch6.tex @@ -9,7 +9,6 @@ \newcommand{\Equ}[1]{(\ref{#1})} \def\Reals{\mathbb{R}} -\definecolor{shadecolor}{rgb}{0.95,0.95,0.95} %\newenvironment{Algo}{\vspace{-1em}\begin{center}\begin{minipage}[h]{0.95\columnwidth}\begin{shaded}\begin{tabbing}% % \hspace{3mm}\=\hspace{3mm}\=\hspace{3mm}\=\hspace{3mm}\=\hspace{3mm}\=\hspace{3mm}\=\hspace{3mm}\= \kill} % % { \end{tabbing}\vspace{-1em}\end{shaded}\end{minipage}\end{center}\vspace{-1em}} @@ -20,10 +19,10 @@ %% prebreak = \raisebox{0ex}[0ex][0ex]{\ensuremath{\hookleftarrow}},% %% commentstyle=\textit, numbersep=1em, numberstyle=\tiny, numbers=left,% %% numberblanklines=false, mathescape, escapechar=@, - label=#1, caption={#2}} + escapechar=@, label=#1, caption={#2}} }{} -\def\N{$\mathbb N$ } +%\def\N{$\mathbb N$ } \def\R{$\mathbb R$ } \def\Z{$\mathbb Z$ } \def\Q{$\mathbb Q$ } @@ -35,7 +34,7 @@ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \chapterauthor{Sylvain Contassot-Vivier}{Université Lorraine, Loria UMR 7503 \& AlGorille INRIA Project Team, Nancy, France.} \chapterauthor{Stephane Vialle}{SUPELEC, UMI GT-CNRS 2958 \& AlGorille INRIA Project Team, Metz, France.} -\chapterauthor{Jens Gustedt}{INRIA Nancy -- Grand Est, AlGorille INRIA Project Team, Strasbourg, France.} +\chapterauthor{Jens Gustedt}{INRIA Nancy--Grand Est, AlGorille INRIA Project Team, Strasbourg, France.} \chapter{Development methodologies for GPU and cluster of GPUs} @@ -57,23 +56,23 @@ % Glossaire \section{Glossary} \begin{Glossary} -\item[AIAC] Asynchronous Iterations - Asynchronous Communications. -\item[Asynchronous iterations] Iterative process where each element is updated +\item[AIAC] Asynchronous Iterations and Asynchronous Communications. +\item[Asynchronous iterations] iterative process where each element is updated without waiting for the last updates of the other elements. -\item[Auxiliary computations] Optional computations performed in parallel to the +\item[Auxiliary computations] optional computations performed in parallel to the main computations and used to complete them or speed them up. -\item[BSP parallel scheme] Bulk Synchronous Parallel, a parallel model that uses - a repeated pattern (superstep) composed of: computation, communication, barrier. -\item[GPU stream] Serialized data transfers and computations performed on a same +\item[BSP parallel scheme] bulk Synchronous Parallel, a parallel model that uses + a repeated pattern (superstep) composed of computation, communication, barrier. +\item[GPU stream] serialized data transfers and computations performed on a same piece of data. -\item[Message loss/miss] Can be said about a message that is either not +\item[Message loss/miss] can be said about a message that is either not sent or sent but not received (possible with unreliable communication protocols). -\item[Message stamping] Inclusion of a specific value in messages of the same tag to +\item[Message stamping] inclusion of a specific value in messages of the same tag to distinguish them (kind of secondary tag). -\item[ORWL] Ordered Read Write Locks, a programming tool proposing a unified +\item[ORWL] Ordered Read-Write Locks, a programming tool proposing a unified programming model. -\item[Page-locked data] Data that are locked in cache memory to ensure fast accesses. -\item[Residual] Difference between results of consecutive iterations in an +\item[Page-locked data] data that are locked in cache memory to ensure fast accesses. +\item[Residual] difference between results of consecutive iterations in an iterative process. \item[Streamed GPU sequence] GPU transfers and computations performed simultaneously via distinct GPU streams.