Pretty much all current systems suport SSE, but not necessarily SSE2 which appears to be the necessary extensions.
-Adam Scott Loveless wrote: > I find this rather odd. Premiere won't even install on a non-SSE > system, regardless of OS. Aabout two years ago, after obtaining > Premiere Elements(bundled with PSE), I ended up building a new PC just > to run it. I wonder why Adobe allows it to install on a non-SSE > system, considering their stance on pre-XP operating systems? > > On 2/20/07, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: >> Having this conversation on DPReview.com and I thought it would be a >> useful FYI for folks here: >> >> John Bean was experiencing performance problems with Lightroom 1.0 on >> his PC systems and found a tidbit from the Adobe forums that explains >> a lot of it ... Lightroom is heavily optimized to use SSE2 capable >> processors. Since I didn't know what that meant, I looked it up and >> found a useful description of SSE2 on wikipedia... >> >> http://en.wikipedia.org/wiki/SSE2 >> >> The notional equivalent of SSE2 capability on Apple systems first >> surfaced on the PowerPC G4 cpu models (AltiVec) and was massively >> upgraded/enhanced on the PowerPC G5s. Apple's Intel-based CPUs all >> have SSE2 capability. This explains to me why Lightroom has more >> performance problems on Windows systems compared to Mac OS X and >> answers why some have found the beta release near to unusable when my >> experience, all on Apple systems, was very positive regards to >> performance. >> John goes on to say "...Any other AMD users be aware that the >> earliest AMD CPUs to have SSE2 are the Athlon 64s. Anything earlier - >> forget it unless you only have tiny image collections or a massive >> amounts of patience. >> >> PS: giving the system more resources definitely helps, but not enough >> to be workable with image libraries over about 10k. ..." >> >> --- >> >> Lightroom is also very disk intensive: tt pushes a lot of data back >> and forth to the disk in operation ... a fast disk and a lot of free >> space to work with help performance enormously. >> >> >> >> Godfrey >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
