[Info-vax] x86-64 VMS executable image sizes and memory requirements ?

[already5chosen at yahoo.com]

On Saturday, December 21, 2019 at 8:50:32 PM UTC+2, John Reagan wrote:
> On Saturday, December 21, 2019 at 12:20:04 PM UTC-5, Craig A. Berry wrote:
> > What effect does LLVM's link-time optimization (LTO)[1] have on image
> > size, and will the VMS linker be modified to use it?
> > 
> > 
> > [1] https://llvm.org/docs/LinkTimeOptimization.html
> 
> I don't see us being able to use LTO anytime soon. I would like to see us support PGO at some point.

LTO is extremely easy to use by developers. When it is available, it is used widely. Esp. when available through IDE.

PGO is very hard to use by developers and in practice ends up being use only in big projects with huge budgets or in toy projects with unusually easy to produce test cases.