This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Patch to allow Ada to work with tree-ssa


On Thu, 2004-06-24 at 11:14, Joseph S. Myers wrote:
> On Tue, 22 Jun 2004, Geoffrey Keating wrote:
> 
> > larger.  In addition, programs have gotten larger, which soaks up much
> > of the CPU speed improvement.
> 
> As illustrated by the growth of GCC itself.  My bootstrap plus testsuite
> run times on constant hardware have gone from under one hour a bit over
> three years ago to over three hours now (and this is artificially low
> because of the temporary disabling of Ada).  Much of this is the growth in
> GCC itself, but a significant part must be GCC slowing down.

Measurements I took last night show that bootstrap times on
i386-netbsdelf have increased by 7% in the last 40 days alone.  That's
on top of the increase in time due to introduction of tree-ssa.  

That's a rate of decline that even Moore's law can't keep up with.

R.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]