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Re: gcc compile-time performance


In message <20020518171850.8973EF2A59@nile.gnat.com>, Robert Dewar writes:
 > > In order to support those uses, and to be competitive with other
 > > compilers, we do need to improve the speed of the compiler.  I've heard
 > > this from too many real world customers with spending authority to
 > > believe any different.
 > 
 > The question is can you find ways to make substantial increases in speed.
 > I still don't see it being worthwhile to flail away looking at profiles and
 > tingering with conditionals. You are only going to get 10-30% that way
 > and it is not going to be enough to be significant. 
I disagree strongly.   We've got customers where a 30% improvement in
compile-time means cutting a day off their build cycles.  I don't know
precisely how much time it would cut off (for example) a build of RHL, but
I would bet it would be enough to send our OS team into a state of ecstasy.


jeff


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