# run this script: `-e "benchname='intersection'"`
textcolor = "#1a1a1a"
set title benchname tc rgb textcolor
# stdout a png image
set terminal png size 720,480 noenhanced
set auto x
set auto y
set ylabel "ns/iter" tc rgb textcolor
set key tc rgb textcolor
set style data histogram
set style histogram cluster gap 4
set style fill transparent solid 0.5
set boxwidth 3.5
set xtic scale 0
set xtics rotate by -45 offset 0,-0.5
set tics textcolor rgb textcolor
file = benchname.".data"
NC = system("awk 'NR==1{print NF}' ".file)
plot for [col=2:NC] file using col:xtic(1) ti col