set style line 2 lc rgb '#dd181f' lt 1 lw 2 pt 5 ps 1.5 # --- red
set style line 3 lc rgb '#dd181f' lt 1 lw 2 pt 7 ps 1.5 # --- red
-plot'openMP-GPU.txt' index 0 using 1:5 t "OpenPM 1 core" with linespoints ls 2,\
- 'openMP-GPU.txt' using 1:2 t "OpenPM 4 cores" with linespoints ls 1,\
+plot'openMP-GPU.txt' index 0 using 1:5 t "OpenMP 1 core" with linespoints ls 2,\
+ 'openMP-GPU.txt' using 1:2 t "OpenMP 4 cores" with linespoints ls 1,\
'openMP-GPU.txt' index 1 using 1:2 t "GPU" with linespoints ls 3
\ No newline at end of file