Handling packages with SSE extensions

Quentin Spencer qspencer at ieee.org
Wed Aug 17 15:41:51 UTC 2005


Hello all,

I'm working on a package for ATLAS (Automatically Tuned Linear Algebra 
Subsystem). On i386, it can use SSE, SSE2 and 3Dnow. How are programs 
handled that use these extensions? Are there other packages that would 
make good references? I have gmp installed on my system, and I see that 
there are libs with identical names in /usr/lib and /usr/lib/sse2. Is 
this the standard way of dealing with this? How does the system load the 
correct libraries? How does rpm/yum deal with choosing what to install?

-Quentin




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