Is a DLL slower than a static link?

Question

I made a GUI library for games. My test demo runs at 60 fps. When I run this demo with the static version of my library it takes 2-3% cpu in taskmanager. When I use the DLL vers

Answer 1

It's a little unclear as to what's being statically/dynamically linked. Is the DLL of your lib statically linked with its dependencies? Is it possible that the DLL is calling other DLLs (that will be slow)? Maybe try running a profiler from valgrind on your executable to determine where all the CPU usage is coming from.