set terminal postscript eps enhanced color solid
set output "sshperf.ps"
set key left top font "Helvetica,20" spacing 3 width 6 
set boxwidth 1.0 absolute 
set style fill solid 1.0 border -1
set style data histogram
set xlabel "Bytes transferred over localhost SSH" font "Helvetica,25" offset 0,-2.0
set xtics font "Helvetica,20" rotate by 35 offset -4.5,-3.0
set ylabel "Seconds for successful transfer" font "Helvetica,25"
set style histogram errorbars gap 1.0
set grid
plot 'ssh_data.dat' u 2:3:xtic(1) t 'Clang/No Tesla','' u 4:5:xtic(1) t 'Clang/ Tesla', '' u 6:7:xtic(1) t 'Gcc/NoTesla'