ModSim ass4 taddeus: Finished benchmark script.

modsim/ass4_taddeus/vibstring/.gitignore

 seq
 par
-out*.txt
+*.txt

modsim/ass4_taddeus/vibstring/benchmark.sh

 #!/bin/bash
 if [ $# -lt 3 ]; then
-    echo "Usage: bash $0 MAX STEP STRING_STEPS"
+    echo "Usage: bash $0 RESULTS_FILE MAX STEP STRING_STEPS"
     exit 1
 fi
 
-dx=`echo "1/$3" | bc -l`
+REPEAT=3
+dx=`echo "1/$4" | bc -l`
 args="sinus 1000 1 $dx 1 2"
 
 # Execute sequential program
 #/usr/bin/time -f "%e" --quiet ./seq $args
 
+# Clear results file
+echo "" > $1
+
 # Execute parallel program for different numbers of nodes
-for (( i=2; i <= $1; i += $2 )); do
-    echo `/usr/bin/time -f "$i %e" --quiet ./par.sh $i $args`
+for (( i=2; i <= $2; i += $3 )); do
+    for j in seq $REPEAT; do
+        /usr/bin/time -f "$i %e" --quiet -ao $1 ./par.sh $i $args
+    done
 done

modsim/ass4_taddeus/vibstring/plot_benchmark.py

 #!/usr/bin/env python
-from sys import stdin, argv
+from sys import stdin, argv, exit
 from pylab import plot, show, savefig
 
+if len(argv) < 2:
+    print 'Usage: python %s BENCHMARK_FILE' % argv[0]
+    exit(1)
+
 # Collect data
 x = []
 y = []
-print stdin.readlines()
-for line in stdin.readlines():
-    n, t = line.split(' ')
+results = open(argv[1])
+
+for line in results.readlines()[1:]:
+    n, t = line[:-1].split(' ')
+
+    # Use the minimum of all measurements
+    if len(x) and x[-1] is int(n) and y[-1] > float(t):
+        y[-1] = float(t)
+        continue
+
     x.append(int(n))
     y.append(float(t))
 
 # Plot data
-print x, y
 plot(x, y, 'o-')
-if len(argv) == 2:
-    savefig(argv[1])
+if len(argv) == 3:
+    savefig(argv[2])
 show()