set terminal postscript eps set output "bench1.eps" set xlabel "R" set ylabel "time" plot "bench1.1000.dat" title "isam 1000" with linespoints, \ "bench1.100.dat" title "isam 100" with linespoints, \ "bench1.10.dat" title "isam 10" with linespoints, \ "bench1.1.dat" title "isam 1" with linespoints