set term pdf
set output "word_count.pdf"
set boxwidth 0.5 relative
set style fill solid border lc rgb "black"
set ylabel "time(ms)"
set xrange[0:8]
set yrange[0:1000]
set xtics ("1 cpu" 1, "2 cpus" 2, "4 cpus" 3, "8 cpus" 4, "12 cpus" 5, "gpu" 6, "gpu(data parallel)" 7)
plot "word_count/result" u 1:($2*1000) smooth unique with boxes lw 2 lc rgb "light-cyan" notitle