set terminal png size 800,600
set key left
set key box
set xlabel "Ringbus Between Number of Cores"
set ylabel "Latency (microseconds)"
set title "Inter-task Communication Latency on 4 to 64 Cores"
set output "xmp64_lat_log.png"
set xrange [4:64]
set xtics 4,4,64
show xtics
set grid x y
set logscale y
plot "xmp64_lat_d4.txt" using 1:2 with lines title "Transfer Buffer size: 4 bytes", "xmp64_lat_d128.txt" using 1:2 with lines title " Transfer Buffer size: 128 bytes"