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MSVC2015 much faster than mingw32?
s.frings74 last edited by s.frings74
I am using Qt under Linux since many years. This weak I also started using it under Windows. I first tried it with the default compiler mingw32, then added MSVC2015. I noticed that the MS compiler builds my program 10x faster than the mingw compiler. Is that normal?
Is it also normal that the MS compiler generates a much smaller exe file in Debug mode (in my case 600kb versus 15MB)?
@s.frings74 10x faster? This is strange. GCC is not the fastest compiler but it should not be 10x slower than VC++.
Regarding the debug build size: as far as I know Microsoft compiler does not put the debug information into the binary but in some other files (check the build directory). That's why the binaries are smaller.
make sure to add a build step in Projects.
and add -j 4 or something like that to make it use more cores.
Also VS2015 compiles in the background so that way it appears faster.
But I agree. in the newer version of mingw , it does seems a bit slow(er)
s.frings74 last edited by
Yupp, with option -j4 for mingw32-make.exe, the compilation is 4x faster than before. Still a bit slower than the MS compiler but i'm satisfied now.
Oleksandr Malyushytskyy last edited by
VS might use advantage of pre-compiled headers. This can make a huge difference,