WIP: init new slide, missing figure & half-completed table

This commit is contained in:
Théophile Bastian 2024-11-26 14:20:09 +01:00
parent a9a4fed01e
commit c7564ff048

View file

@ -123,3 +123,78 @@ Gus & 0.00 & 20.37 & 30.59 & 0.82 & 188.04 \\
\end{minipage}
\end{columns}
\end{frame}
\begin{frame}[fragile]{Searching for areas of improvement}
\begin{itemize}
\item{} Tools often wrong on the \emph{same} rows
\begin{itemize}
\item \llvmmca{}, \iaca{} and \uica{} share 80\,\% of their
worst 30\,\%
\end{itemize}
\item{} Often \texttt{-O1} rows
\end{itemize}
\begin{center}
\textbf{Crucial difference:}
\end{center}
\begin{minipage}[t]{0.47\textwidth}
\begin{center}
\textbf{\color[HTML]{008f0c}Good}
\end{center}
\vspace{-1em}
\begin{lstlisting}[language={[ANSI]C}]
for(c3)
A[c1][c3] += u1[c1] * v1[c3]
+ u2[c1] * v2[c3];
\end{lstlisting}
\end{minipage}\hfill\vrule\hfill
\begin{minipage}[t]{0.47\textwidth}
\begin{center}
\textbf{\color{red}Bad}
\end{center}
\vspace{-1em}
\begin{lstlisting}[language={[ANSI]C}]
for(c3)
tmp[c1] += A[c1][c3] * x[c3];
\end{lstlisting}
\end{minipage}
\pause{}
\begin{center}
\alert{\textbf{Dependencies through memory!}}
\end{center}
\end{frame}
\begin{frame}{Pruning memory-carried dependencies (Intel Skylake on Grid5000)}
\newcommand{\full}{{\color[HTML]{c7805a}Full}}
\newcommand{\pruned}{{\color[HTML]{4360be}Pruned}}
\begin{columns}
\column{\dimexpr\paperwidth-8pt}
\centering
\begin{minipage}[c]{0.55\textwidth}
\centering
\footnotesize
\begin{tabular}{l r r r r r}
\toprule
\textbf{Bencher} & Dataset &
\textbf{MAPE} & \textbf{Median} & \textbf{$K_\tau$} \\
& & (\%) & (\%) & \\
\midrule
llvm-mca & \full{} & 36.71 & 59.80 & 0.57 \\
UiCA & \full{} & 29.59 & 52.99 & 0.58 \\
Iaca & \full{} & 30.23 & 57.18 & 0.59 \\
\bottomrule
\end{tabular}
\end{minipage}
\hfill\vrule\hfill
\begin{minipage}[c]{0.43\textwidth}
\centering
\includegraphics[width=\textwidth]{nomemdeps_boxplot.svg}\\
{\small\textit{Outliers > 250\,\% trimmed}}
\end{minipage}
\end{columns}
\let\full\undefined
\let\pruned\undefined
\end{frame}