From: Pierre Guillou <guillou@cri.ensmp.fr>
Date: Tue, 11 Feb 2014 12:36:52 +0000 (+0100)
Subject: unwanted merge with Vivien
X-Git-Url: https://scm.cri.mines-paristech.fr/git/pipstransfo.git/commitdiff_plain/0106ef99df45720946ada6d92f8d543b94a0e0c0?hp=-c

unwanted merge with Vivien
---

0106ef99df45720946ada6d92f8d543b94a0e0c0
diff --combined pipstransfo.tex
index 7409fd1,4706900..06f9f63
--- a/pipstransfo.tex
+++ b/pipstransfo.tex
@@@ -3,12 -3,13 +3,13 @@@
  \usepackage[utf8]{inputenc}
  \usepackage[T1]{fontenc}
  \usepackage[english]{babel}
+ \usepackage{lmodern}
  
  \usepackage{listings}
  \usepackage{hyperref}
  
  
- \title{PIPS - List of code transformations}
+ \title{PIPS~--- List of code transformations}
  
  
  
@@@ -19,50 -20,8 +20,50 @@@
  
  \section{Memory allocation alteration}
  
 +\begin{description}
 +
 +\item[scalar renaming]{is the process of renaming scalar variables to
 +    suppress false data dependencies.}
 +
 +\item[privatization]{is the process of detecting variables that are
 +    private to a loop body, i.e.\ written first, then read.}
 +
 +\end{description}
 +
 +
  \section{Loop transformations}
  
 +\begin{description}
 +
 +\item[loop unrolling]{
 +  is a loop transformation. 
 +  Unrolling a loop by a factor of $n$ consists in the substitution of a loop
 +  body by itself, replicated $n$ times. A prelude and/or postlude are
 +  added to preserve the number of iteration.}
 +
 +\item[loop fusion]{
 +  is a loop transformation that replaces two loops by a single loops whose
 +  body is the concatenation of the bodies of the two initial loops.}
 +
 +\item[loop tiling]{
 +  is a loop nest transformation that changes the loop execution order
 +  through a partitions of the iteration space into
 +  chunks, so that the iteration is performed over each chunk and in the
 +  chunks.}
 +
 +\item[loop interchange]{is a loop transformation that permutes two
 +  loops from a loop nest.}
 +
 +\item[loop unswitching]{is a loop transformation that replaces a
 +  loop containing a test independent from the loop execution by a test
 +  containing the loop without the test in both true and false branch.}
 +
 +\item[loop normalization]{is a loop transformation that changes
 +  the loop initial increment value or the loop range to enforce certain values, 
-   generally 1.}
++  generally~1.}
 +
 +\end{description}
 +
  \section{Inter-procedural transformations}
  
  \section{Base blocs transformations}
@@@ -73,7 -32,10 +74,7 @@@
  
  
  \begin{description}
 -\item[loop unrolling]{
 -  is a loop transformation. Unrolling a loop by a factor of $n$ consists in the substitution of a loop
 -  body by itself, replicated $n$ times. A prelude and/or postlude are
 -  added to preserve the number of iteration.}
 +
  
  \item[inlining]{
    is a function transformation. Inlining a function
@@@ -87,9 -49,15 +88,9 @@@
    is the process of replacing a reference read in an
    expression by the latest expression affected to it.}
  
 -\item[loop fusion]{
 -  is a loop transformation that replaces two loops by a single loops whose
 -  body is the concatenation of the bodies of the two initial loops.}
  
 -\item[loop tiling]{
 -  is a loop nest transformation that changes the loop execution order
 -  through a partitions of the iteration space into
 -  chunks, so that the iteration is performed over each chunk and in the
 -  chunks.}
 +
 +
  
  \item[reduction detection]{
    is an analysis that identifies statements that perform a reduction over a
@@@ -123,7 -91,12 +124,7 @@@
    is the process of replacing similar expressions by a variable that holds
    the result of their evaluation.}
  
 -\item[loop interchange]{is a loop transformation that permutes two
 -  loops from a loop nest.}
  
 -\item[loop unswitching]{is a loop transformation that replaces a
 -  loop containing a test independent from the loop execution by a test
 -  containing the loop without the test in both true and false branch.}
  
  \item[statement isolation]{is the process of replacing all
    variables referenced in a statement by newly declared variables. A
@@@ -139,9 -112,11 +140,8 @@@
    multidimensional array into unidimensional arrays, possibly with a
    conversion from array to pointer.}
  
- 
- 
 -\item[privatization]{is the process of  detecting variables that
 -  are private to a loop body, i.e.\ written first, then read.}
--
+ \item[loop normalization]{is a loop transformation that changes
+   the loop initial increment value or the loop range to enforce certain values, generally~1.}
  
  \item[iteration clamping]{is a loop transformation that extends
    the loop range but guards the loop body with the former range.}
@@@ -175,8 -150,4 +175,8 @@@
    them by their non-unrolled version.}
  \end{description}
  
 +
 +\section{References}
 +
 +
- \end{document}
+ \end{document}