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- #!/usr/bin/gnuplot
- # Output format
- set terminal png enhanced font "freesans,16" linewidth 2
- # Caption
- set key inside top horizontal nobox font ",12"
- set xlabel ''
- set ylabel ''
- set auto x
- set xtics rotate by -30 offset -1
- set style data histogram
- set style fill solid border -1
- set style histogram errorbars gap 1 lw 1
- set datafile separator ";"
- set yrange [0.4:1.4]
- set style line 1 lt 2
- set style line 2 lt 3
- set style line 3 lt 4
- # Compute error of a/b
- # 1. compute relative errors
- # 2. add them together
- # 3. convert the result back to absolute (multiply by a/b)
- error(a,aerr,b,berr) = ((aerr/a) + (berr/b)) * (a/b)
- set title 'Title'
- set output 'output.png'
- # Note: 'every ::3' starts counting from row 3 onwards, when there is more than
- # one heading row
- plot 'input.dat' every ::3 using ($2/$3):(error($2,$6,$3,$7)):xtic(1) ls 1 ti 'compute', \
- '' every ::3 using ($5/$3):(error($5,$9,$2,$7)):xtic(1) ls 2 ti 'prefetch', \
- '' every ::3 using ($4/$3):(error($4,$8,$2,$7)):xtic(1) ls 3 ti 'fetch'
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