# Analysis description 
set encoding iso_8859_1
set terminal x11
set size 1,0.5
set term postscript enhanced portrait "Helvetica" 12

set ylabel "nb. iter. per second" 
set xlabel "nb. of cores" 
#set key on outside left bmargin
plot 'nb_iter_sec.txt' using 1:2 t "GMRES"      with linespoints lt 1 lw 2 ps 0 pt 5,\
  'nb_iter_sec.txt' using 1:3 t "Krylov"    with linespoints lt 2 lw 2 ps 0 pt 1