add DCT slide

diff --git a/conferences/openpower2021/openpower_2021.tex b/conferences/openpower2021/openpower_2021.tex
index f76c1c27dbb136e82ebb8def064622baf3c2386e..71d844309ab0afa3ac70823ce93ea58d1bb6b578 100644 (file)
--- a/conferences/openpower2021/openpower_2021.tex
+++ b/conferences/openpower2021/openpower_2021.tex
@@ -70,14 +70,6 @@
 
 
 
-%%\frame{\frametitle{nmigen PowerISA Decoder}
-
-%%\begin{center}
-%%\includegraphics[width=0.55\textwidth]{2020-09-09_21-04.png}
-%%\end{center}
-
-%%}
-
 \begin{frame}[fragile]
 \frametitle{Reminder of Simple-V}
 
@@ -250,6 +242,23 @@ sv.fmadds: uses fp0 as accumulator
   \end{itemize}
 }
 
+\frame{\frametitle{nmigen PowerISA Decoder}
+
+ \begin{itemize}
+   \item Standard DCT Schedule (messy, impossible for SIMD)
+   \item Output is in bit-reversed order\\
+         0b000 = 0b000 (in: 0   out: 0)\\
+         0b001 = 0b100 (in: 1   out: 4)\\
+         0b110 = 0b011 (in: 7   out: 3)
+         0b111 = 0b111 (in: 7   out: 7)
+  \end{itemize}
+
+\begin{center}
+\includegraphics[width=0.75\textwidth]{plonka_dct1.png}
+\end{center}
+
+}
+
 
 \frame{\frametitle{TODO rewrite Summary}
 

diff --git a/conferences/openpower2021/plonka_dct1.png b/conferences/openpower2021/plonka_dct1.png
index 6d41325faadbc4e378d72b60d58bb28cf3d6e873..0a186c2473ead4096de50a42f3a4b3d2948f2adc 100644 (file)
Binary files a/conferences/openpower2021/plonka_dct1.png and b/conferences/openpower2021/plonka_dct1.png differ