diff --git a/slides/img/keep_breathing.jpg b/slides/img/keep_breathing.jpg
new file mode 100644
index 0000000..57f50d7
Binary files /dev/null and b/slides/img/keep_breathing.jpg differ
diff --git a/slides/slides.tex b/slides/slides.tex
index 3fb26e1..707070c 100644
--- a/slides/slides.tex
+++ b/slides/slides.tex
@@ -8,6 +8,8 @@
 \usepackage{amsmath}
 \usepackage{amsfonts}
 \usepackage{amssymb}
+\usepackage{booktabs}
+\usepackage{makecell}
 
 \usepackage{../shared/my_listings}
 %\usepackage{../shared/my_hyperref}
@@ -15,6 +17,9 @@
 \usepackage{../shared/common}
 \usepackage{../shared/todo}
 
+\renewcommand\theadalign{c}
+\renewcommand\theadfont{\scriptsize\bfseries}
+
 \setbeamertemplate{navigation symbols}{}
 
 \newcommand{\thenalert}[1]{\only<1>{#1}\only<2>{\alert{#1}}}
@@ -242,6 +247,50 @@ unwind_context_t _eh_elf(
     \end{itemize}
 \end{frame}
 
+\begin{frame}{Compilation choices}
+    \textbf{In order to keep the compiler \alert{simple} and \alert{easily
+    testable}, the whole DWARF5 instruction set is not supported.}
+
+    \begin{itemize}
+        \item Tailored for \alert{x86\_64} (while DWARF is
+            architecture-agnostic)
+        \item Only supports \alert{unwinding registers}: \reg{rip}, \reg{rsp},
+            \reg{rbp}, \reg{rbx}
+            \begin{itemize}
+                \item[$\leadsto$] suitable for perf, not for gdb
+           \end{itemize}
+       \item Supports the \alert{wide majority} ($> 99.9\%$) of instructions
+           used (see later)
+           \begin{itemize}
+               \item Only supports few common expressions: already $~ 90\,\%$
+                   of expressions used
+           \end{itemize}
+    \end{itemize}
+\end{frame}
+
+
+\begin{frame}[fragile]{A word on memory maps}
+    \textbf{Various functions come from various ELFs}\\
+    \pause{}
+    \hfill{}\textbf{\ldots{}and thus various \ehelfs{}}
+
+    \begin{lstlisting}[language=, numbers=none]
+55c81b11e000-55c81b126000  000k    /usr/bin/cat
+55c81b325000-55c81b326000  007k    /usr/bin/cat
+55c81b326000-55c81b327000  008k    /usr/bin/cat
+55c81bcf3000-55c81bd14000  000k    [heap]
+7f8a5b4ed000-7f8a5b50f000  000k    /usr/lib/libc-2.28.so
+7f8a5b50f000-7f8a5b65a000  022k    /usr/lib/libc-2.28.so
+7f8a5b65a000-7f8a5b6a6000  16dk    /usr/lib/libc-2.28.so
+7f8a5b6ec000-7f8a5b6ee000  000k    /usr/lib/ld-2.28.so
+7f8a5b6ee000-7f8a5b70d000  002k    /usr/lib/ld-2.28.so
+7f8a5b70d000-7f8a5b715000  021k    /usr/lib/ld-2.28.so
+7ffc8a66b000-7ffc8a68c000  000k    [stack]
+7ffc8a74a000-7ffc8a74d000  000k    [vvar]
+7ffc8a74d000-7ffc8a74f000  000k    [vdso]
+    \end{lstlisting}
+\end{frame}
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \subsection{Outlining}
 
@@ -338,7 +387,183 @@ unwind_context_t _eh_elf(
     \end{itemize}
 \end{frame}
 
+\begin{frame}{libunwind implementation}
+    \begin{itemize}
+        \item \alert{libunwind}: \textit{de facto} standard library for
+            unwinding
+        \item Uses DWARF in background
+        \item \alert{Used by perf} as a backend for unwinding
+
+        \pause{}\vspace{1em} \item{} Easiest way to use \ehelfs{} in perf:
+            \alert{implement an alternative libunwind}
+        \item{} Result: \alert{alternative implementation} of libunwind, nearly
+            plug-and-play!
+    \end{itemize}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{Results}
+
+\begin{frame}{Time performance}
+    \small
+    \centering
+    \begin{tabular}{l r r r r r}
+        \toprule
+        \thead{Unwinding method} & \thead{Frames \\ unwound}
+            & \thead{Tot.\ time \\ ($\mu s$)}
+            & \thead{Avg. \\ time / frame \\ ($ns$)}
+            & \thead{Time \\ ratio} \\
+        \midrule
+        \alert{\ehelfs{}}
+            & 23506 % Frames unwound
+            & 14837 % Total time
+            & 631 % Avg time
+            & 1
+            \\
+        \prog{libunwind}, \alert{cached}
+            & 27058 % Frames unwound
+            & 441601 % Total time
+            & 16320 % Avg time
+            & \alert{25.9}
+            \\
+        \prog{libunwind}, \alert{uncached}
+            & 27058 % Frames unwound
+            & 671292 % Total time
+            & 24809 % Avg time
+            & \alert{39.3}
+            \\
+        \bottomrule
+    \end{tabular}
+\end{frame}
+
+\begin{frame}{Space performance}
+    \begin{center}
+        \begin{tabular}{r r r r r r}
+            \toprule
+            \thead{Object}
+                & \thead{Original \\ program size \\ (KiB)}
+                & \thead{Original \\ \lstc{.eh\_frame} \\ (KiB)}
+                & \thead{Generated \\ \ehelf{} \\ (KiB)}
+                & \thead{\% \\ original \\ size}
+                & \thead{Growth \\ factor} \\
+            \midrule
+                libc
+                    & 1\,434 & 130.1 & 313.2 & 21.88 & 2.41 \\
+                libpthread
+                    & 58.1 & 11.6 & 25.4 & 43.71 & 2.19 \\
+                ld
+                    & 129.6 & 9.6 & 28.6 & 22.09 & 2.97 \\
+                hackbench
+                    & 2.9 & 0.555 & 2.8 & 93.87 & 4.99 \\
+                Total
+                    & 1\,638 & 151.8 & 370.0 & 22.81 & \alert{2.44} \\
+            \bottomrule
+        \end{tabular}
+    \end{center}
+\end{frame}
+
+\newcommand{\ofsupp}[1]{$\left[\text{#1}\right]$}
+\begin{frame}{Instructions coverage}
+    \scriptsize\centering
+    \begin{tabular}{r r r r r r}
+        \toprule
+        \thead{}
+            & \thead{Undef}
+            & \thead{Same \\ value}
+            & \thead{Offset}
+            & \thead{Val \\ offset}
+            & \thead{Reg}
+            \\
+        \midrule
+            \makecell{Only supp. \\ columns} \vspace{.4em}
+                & 1698 (0.006\,\%)
+                & 0
+                & 30\,M (99.9\,\%)
+                & 0
+                & 14 (0\,\%)
+                \\
+            All columns
+                & 1698 (0.003\,\%)
+                & 0
+                & 55\,M (99.9\,\%)
+                & 0
+                & 22 (0\,\%)
+                \\
+        \bottomrule
+        \toprule
+        \thead{}
+            & \thead{Expr \\ \ofsupp{supported}}
+            & \thead{Val \\ expr}
+            & \thead{Archi.}
+            & & \thead{Total}
+            \\
+        \midrule
+            \makecell{Only supp. \\ columns} \vspace{.4em}
+                & \makecell{4475 (0.015\,\%) \\ \ofsupp{81.4\,\%}}
+                & 0
+                & 0
+                & & 30044442
+                \\
+            All columns
+                & \makecell{12367 (0.02\,\%) \\ \ofsupp{91.7\,\%}}
+                & 0
+                & 0
+                & & 54680492
+                \\
+
+        \bottomrule
+    \end{tabular}
+
+    \vspace{2em}\pause{}
+
+    \textbf{Among \alert{4000} randomly sampled filed, only \alert{24}
+    containing unsupported instructions}
+\end{frame}
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \section{A glance at future work}
 
+\begin{frame}{What next?}
+    \begin{itemize}
+        \item \alert{Outlining} was super efficient for
+            compactness\ldots{} Worth trying on standard DWARF\@?
+
+        \item Implement a release-ready, packageable, easy to use version of
+            perf with \ehelfs{} and submit it for inclusion
+
+        \item{} Measure \alert{C++ exceptions overhead} precisely in common
+            software
+        \item{} Implement \alert{\ehelfs{}} support for \alert{C++ runtime}
+            exception handling
+        \item{} \ldots{}and many more possibilities to explore!
+    \end{itemize}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section*{}
+
+\begin{frame}
+    \begin{columns}[c]
+        \begin{column}{0.35\textwidth}
+            \includegraphics[width=\linewidth]{img/keep_breathing}
+        \end{column}
+        \begin{column}{0.65\textwidth}
+            \begin{center}
+                \huge
+                And remember\ldots{}
+                \smallskip
+
+                DWARF is slow!
+            \end{center}
+        \end{column}
+    \end{columns}
+
+    \begin{center}
+        \Huge\bfseries
+        Thank you!
+    \end{center}
+
+
+\end{frame}
+
 \end{document}