s = 5.499;
p = [1,2,6];
t = [6.704, 3.418, 0.988 ];
st = s ./ t

hold on

plot ( p, st, 'r-o', 'linewidth', 3, 'markersize', 15 );

plot ( p, [1,1,1], 'k-', 'linewidth', 3 );
grid on
xlabel ( '<-- Number of OpenMP Threads -->','FontSize', 16 )
ylabel ( '<-- Sequential Time / OpenMP Time -->','FontSize', 16  )
title ( 'Speedup for OpenMP 1, 2, 6 threads','FontSize', 16  )

print ( '-dpng', 'speedup.png' )

