The other thing to keep in mind, you can edit code to make it start at same point/key, each and every time, but when using a GPU, normally the code works like this:
-snip-
-snip-Do you think you could provide the code I need to make it work incrementally? I would really appreciate it.
WanderingPhilospher already made a vanitysearch fork that can do exactly that:
https://github.com/WanderingPhilosopher/VanBitCrakcenS/releasesThe source is only available in the 'releases' page.
It also has a command line argument
--continue that'll save the position where you left off.