diff --git a/docs/slides_structure.pdf b/docs/slides_structure.pdf
index eefbe94..9109fdd 100644
Binary files a/docs/slides_structure.pdf and b/docs/slides_structure.pdf differ
diff --git a/docs/slides_structure.tex b/docs/slides_structure.tex
index 01a9ba1..6d561bd 100644
--- a/docs/slides_structure.tex
+++ b/docs/slides_structure.tex
@@ -33,32 +33,31 @@
 \begin{frame}{Vue d'ensemble du pipeline}
 \centering
 \begin{tikzpicture}[
-    node distance=10mm,
     box/.style={draw, rounded corners, fill=cBox, minimum height=12mm,
                 minimum width=26mm, align=center, font=\small},
-    arr/.style={-{Stealth[length=3mm]}, thick}
+    fut/.style={box, fill=white, densely dashed},
+    arr/.style={-{Stealth[length=3mm]}, thick},
+    lbl/.style={font=\scriptsize, inner sep=2pt}
   ]
-  \node[box] (asm) {Assembleur\\x86-64 (1 BB)};
-  \node[box, right=of asm] (graph) {Graphe de\\flot de données};
-  \node[box, right=of graph] (enc) {Encodeur\\GNN};
-  \node[box, right=of enc] (rep) {Représentations\\\emph{sens} / \emph{temporalité}};
-
-  \draw[arr] (asm) -- (graph);
-  \draw[arr] (graph) -- (enc);
-  \draw[arr] (enc) -- (rep);
-
-  % --- boucle de superoptimisation (sens retour) ---
-  \node[box, below=14mm of rep, fill=white] (pred) {Prédicteur\\(modèle du monde)};
-  \node[box, left=of pred, fill=white] (gopt) {Repr.\\optimisée};
-  \node[box, left=of gopt, fill=white, densely dashed] (dec) {(Décodeur\\\texttt{to\_asm})};
-  \node[box, left=of dec, fill=white] (asmopt) {Asm\\optimisé};
-
-  \draw[arr] (rep.south) -- (pred.north);
-  \draw[arr] (pred) -- (gopt);
-  \draw[arr] (gopt) -- (dec);
-  \draw[arr] (dec) -- (asmopt);
-  \draw[arr] (asmopt.north) -- (asm.south);
-\end{tikzpicture}
+  % --- ligne 1 (gauche → droite) ---
+  \node[box] (asm)  {Assembleur\\x86-64 (1 BB)};
+  \node[box, right=14mm of asm]  (emb)  {Embedder};
+  \node[box, right=14mm of emb]  (enc)  {Encodeur\\GNN};
+
+  % --- ligne 2 (droite → gauche, alignée sous ligne 1) ---
+  \node[box, below=18mm of enc]  (pred) {Prédicteur};
+  \node[fut, below=18mm of emb]  (dec)  {(Décodeur\\\texttt{to\_asm})};
+  \node[box, below=18mm of asm]  (opt)  {Asm optimisé};
+
+  % --- flèches ligne 1 ---
+  \draw[arr] (asm) -- node[lbl, above]{$x$ : instr.}    (emb);
+  \draw[arr] (emb) -- node[lbl, above]{$G=(V,E)$}       (enc);
+  % virage encodeur → prédicteur
+  \draw[arr] (enc) -- node[lbl, right]{$s$ : repr.}     (pred);
+  % --- flèches ligne 2 (droite → gauche) ---
+  \draw[arr] (pred) -- node[lbl, above]{$\hat{s}_{O3}$} (dec);
+  \draw[arr] (dec)  -- node[lbl, above]{$\hat{x}_{O3}$} (opt);
+\end{tikzpicture}%
 
 \vspace{4mm}
 \footnotesize