Re: 4x4 single-precision matrix product with SSE
Frederic Marmond <[email protected]> Sat, 12 Mar 2011 09:32:54 +0100
| Newsgroups | org.kernel.vger.linux-assembly |
|---|---|
| Message-ID | <[email protected]> |
Hello Nicolas, Yes, it's the right place :) could you please paste your code as well as your benchmark context ? Fred 2011/3/11 Nicolas Bock <[email protected]> > > Hello list, > > I am writing an assembly function that multiplies 2 4x4 single precision > matrices. I wrote 2 versions, one using SSE the other using SSE4.1. What > surprised me is that the SSE4.1 version fails to beat the SSE version, > it is in fact slightly slower. > > Is this the right place to ask for help? If anyone is interested I can > post some code which would maybe clarify the situation a bit. > > If this is not the right place, please ignore me... > > nick >