set output "times-d.ps"
set terminal postscript
set title "ISAM-d Thu Jun 20 09:26:52 CEST 2002"
set xlabel "runs"
set ylabel "seconds"
plot [0:] [0:]         'times-d.log' using 2 title 'real' with linespoints,         'times-d.log' using 3 title 'user' with linespoints,         'times-d.log' using 4 title 'sys' with linespoints