On 1 September 2013 14:27, Dick Hollenbeck <[email protected]> wrote: > > > > http://en.m.wikipedia.org/wiki/Portable_Executable > > > > Read about "relocations". > > > Brian, > > > I think your idea of looking at the PE headers is good. > > > Also, maybe you can mimic the BASE ADDRESSES of the DLLs being built, and > try and get > mingw's LD, invoked under g++, to use the same ones: > > > > Something like this for each DLL: > > > set( YOUR_DLL_BASE 0x2321000000 ) # adjust accordingly > > set_target_properties( your_dll PROPERTIES > LINK_FLAGS -Wl,--image-base,${YOUR_DLL_BASE} > ) > > > With the same base addresses, if there is still a big difference, then it > is something else. > > Okay, no problem. I can look at this to see what effect it has. Ultimately the real slowness appears to be startup-time and not much else. The performance of the applications (although obviously I'm only testing with wxWidgets samples) appears to be comparable.
Thanks for the information, I wasn't aware of this gcc feature. Best Regards, Brian.
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