\usepackage{listings}
\usepackage{hyperref}
+\usepackage{xspace}
+\newcommand\PIPS{PIPS\xspace}
-\title{PIPS~--- List of code transformations}
+
+\title{\PIPS~--- List of code transformations}
\chapter{Summary}
\section{SGuelton}
+
\begin{itemize}
+% memory allocation alteration
+\item scalar renaming
+% loop transformations
\item loop unrolling
-\item inlining
-\item forward substitution
\item loop fusion
\item loop tiling
-\item reduction detection
-\item parallelism detection
-\item parallelism extraction
-\item directive generation
-\item constant propagation
-\item instruction selection
-\item goto elimination
-\item outlining
-\item common subexpression elimination
+\item loop rerolling
\item loop interchange
-\item loop unszitching
-\item statement isolation
+\item loop normalization
+% inter procedural transformations
+\item inlining
+% basic bloc transformations
+\item forward substitution
+% dead code removal
+\item constant propagation
\item dead code elimination
+
+% ??
\item array linearization
-\item privatization
-\item loop normalization
-\item iteration clamping
+\item common subexpression elimination
+\item directive generation
\item flatten code
-\item strengh reduction
-\item split update operator
-\item n adress code generation
+\item goto elimination
+\item instruction selection
+\item invariant code motion
+\item iteration clamping
+\item loop unswitching
\item memory footprint reduction
+\item n adress code generation
+\item outlining
+\item parallelism detection
+\item parallelism extraction
+\item privatization
+\item reduction detection
\item redundant load-store elimination
-\item invariant code motion
-\item scalar renaming
-\item loop rerolling
+\item split update operator
+\item statement isolation
+\item strengh reduction
\end{itemize}
\section{Teraops}
+
\begin{itemize}
+% memory allocation alteration
\item scalar renaming
\item scalar/array expansion
\item scalar/array privatization
-\item scalarization
-\item variable copying
-\item index set splitting
-\item loop peeling
+\item scalarization % according to .pdf, not supported by Pips
+\item variable copying % not supported by Pips
+% loop transformations
+\item index set splitting % not supported by Pips
+\item loop peeling % not supported by Pips
\item loop unrolling
-\item loop rerolling
+\item loop rerolling % not supported by Pips
\item full loop unrolling
\item idiom recognition
-\item unswitching
-\item loop fusion
+\item unswitching % not supported by Pips
+\item loop fusion % not supported by Pips
\item loop fission/loop distribution
\item loop normalization
\item unimodular loop transformation/hyperplane method
\item loop interchange
-\item loop reversal
+\item loop reversal % not supported by Pips
\item loop skewing
\item non-unimodular loop transformation
\item strip-mining (loop sectionning)
-\item loop coalescing/loop collapsing
+\item loop coalescing/loop collapsing % not supported by Pips
\item loop tiling
\item loop parallelization
-\item loop vectorization
+\item loop vectorization % not supported by Pips
\item loop invariant code motion
-\item software pipelining
+\item software pipelining % not supported by Pips
\item locality increazing
-\item loop embedding/loop jamming
-\item procedure inlining
+% interprocedural transformations
+\item loop embedding/loop jamming % not supported by Pips
+\item procedure inlining % not supported by Pips
\item procedure cloning
+% basic bloc transformations
\item node splitting
\item forward expression substitution
-\item induction variable substitution
+\item induction variable substitution % not supported by Pips
\item if-conversion
-\item statement reordering
+\item statement reordering % not supported by Pips
\item expression optimization
\item partial redundancy elimination
+% dead code removal
\item unreachable code
\item semantically uneachable code
\item if and loop elimination
\item constant propagation
\end{itemize}
-\chapter{List of Pips transformations}
+\chapter{List of \PIPS transformations}
\section{Memory allocation alteration}
\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
+ 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]{
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,
+ the loop initial increment value or the loop range to enforce certain values,
generally~1.}
\end{description}
-\section{Inter-procedural transformations}
+\section{Interprocedural transformations}
\section{Base blocs transformations}
\item[goto elimination]{
is the process of replacing \texttt{goto} instructions by a hierarchical control flow
graph.}
+
\item[outlining]{
is the process of extracting part of a function body into a new function
and replacing it in the initial function by a function call.}
operator by its expanded form.}
\item[n address code generation]{is the process of splitting
- complex expression in simpler ones that take at most $n$ operands.}
+ complex expression in simpler ones that take at most \(n\) operands.}
\item[memory footprint reduction]{is the process of tiling a loop
to make sure the iteration over the tile has a memory footprint bounded by
projects / pipstransfo.git / blobdiff