ch17

[book_gpu.git] / BookGPU / Chapters / chapter4 / ch4.tex

diff --git a/BookGPU/Chapters/chapter4/ch4.tex b/BookGPU/Chapters/chapter4/ch4.tex
index 805de250d74fe30789d8eded0836b109dfc7a1b9..90612c9d798fdaee746e263d63901772d95ed11c 100644 (file)
--- a/BookGPU/Chapters/chapter4/ch4.tex
+++ b/BookGPU/Chapters/chapter4/ch4.tex
@@ -20,7 +20,7 @@ to $I$ as an $H\times L$ pixel gray-level image and to $I(x,y)$ as the gray-leve
 value of each pixel of coordinates $(x,y)$.
 
 
 value of each pixel of coordinates $(x,y)$.
 
 

-
+\clearpage

 \section{Definition}
 Within a digital image $I$, the convolution operation is performed between
 image $I$ and convolution mask \emph{h} (To avoid confusion with other
 \section{Definition}
 Within a digital image $I$, the convolution operation is performed between
 image $I$ and convolution mask \emph{h} (To avoid confusion with other


@@ -240,7 +240,7 @@ However, our technique requires writing one kernel per mask size, which can be s
 \lstinputlisting[label={lst:convoGene8x8pL3},caption=CUDA kernel achieving a $3\times 3$ convolution operation with the mask in symbol memory and direct data fetches in texture memory]{Chapters/chapter4/code/convoGene8x8pL3.cu}
 
 \subsection{Using shared memory to store prefetched data\index{prefetching}.}
 \lstinputlisting[label={lst:convoGene8x8pL3},caption=CUDA kernel achieving a $3\times 3$ convolution operation with the mask in symbol memory and direct data fetches in texture memory]{Chapters/chapter4/code/convoGene8x8pL3.cu}
 
 \subsection{Using shared memory to store prefetched data\index{prefetching}.}

- \index{memory~hierarchy!shared~memory}
+ \index{memory hierarchy!shared memory}

 A more convenient way of coding a convolution kernel is to use shared memory to perform a prefetching stage of the whole halo before computing the convolution sums.
 This proves to be quite efficient and more versatile, but it obviously generates some overhead because 
 \begin{itemize}
 A more convenient way of coding a convolution kernel is to use shared memory to perform a prefetching stage of the whole halo before computing the convolution sums.
 This proves to be quite efficient and more versatile, but it obviously generates some overhead because 
 \begin{itemize}