On Fri, 19 Jan 2001, Warren Melnick wrote:
> Is there a way to globally have your system rebuild all installed RPMs from
> the SRPMs so that the system is better tuned for the processor(s) you are
> running?
Yes.
rpm --rebuild --target i686 *.src.rpm
Please note, though, that this will only matter if
1. The application source code is written to optimize for your processor
2. The spec file passes the optimization flags to the make process
3. Your rpm configuration has good optimization flags.
Even then, you might see a useful performance boost from some packages
(like 5-20% for gzip) and no performance boost whatsover with others. You
may also run into problems with compiler optimizations breaking things.
thornton
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