ModSim ass4 taddeus: Added benchmark plot.

modsim/ass4_taddeus/vibstring/benchmark.sh

@@ -10,7 +10,10 @@ dx=`echo "1/$1" | bc -l`
 args="sinus 10000 1 $dx 1 2"
 
 # Execute sequential program
-/usr/bin/time -f "%e" -o $FILE ./seq $args
+/usr/bin/time -f "1 %e" -o $FILE ./seq $args
+for i in `seq 2 $REPEAT`; do
+    /usr/bin/time -f "1 %e" -ao $FILE ./seq $args
+done
 
 # Execute parallel program for different numbers of nodes
 for i in `seq 2 13`; do

modsim/ass4_taddeus/vibstring/plot_benchmark.py

 #!/usr/bin/env python
 from sys import argv
 from pylab import plot, xlabel, ylabel, show, savefig
+from scipy import polyfit, polyval
 
 # Collect data
 x = []
 y = []
 results = open('bench.txt')
-
-for line in results.readlines()[1:]:
+for line in results.readlines():
     n, t = line[:-1].split(' ')
 
     # Use the minimum of all measurements
@@ -19,8 +19,18 @@ for line in results.readlines()[1:]:
     x.append(int(n))
     y.append(float(t))
 
-# Plot data
-plot(x, y, 'o-')
+seq = [x[0], y[0]]
+x = x[1:]
+y = y[1:]
+
+# Least squares data fit
+c = tuple(polyfit(, y, 2).tolist())
+fit = polyval(c, x)
+
+# Plot and optionally save data
+plot(x, y, 'x')
+plot(seq[0], seq[1], 'x')
+plot(x, fit, '-')
 xlabel('Aantal processen')
 ylabel('Tijd (s)')
 if len(argv) > 1:

modsim/ass4_taddeus/vibstring/report/report.tex

@@ -366,10 +366,15 @@ geconcludeerd dat ook het parallelle programma correct is geïmplementeerd..
 
 
 
+\begin{figure}[H]
+    \includegraphics[width=10cm]{benchmark.pdf}
+    \caption{Runtime met parameters \texttt{sinus 10000 1 .00002 1 2}.}
+\end{figure}
+
 \pagebreak
 \appendix
 
-\section{Uitvoer testts}
+\section{Uitvoer tests}
 
 \subsection{Test 1}
 \label{app:test-1}