On Thu, Jul 26, 2012 at 4:39 AM, microcai <micro...@fedoraproject.org> wrote: > 2012/7/26 Philip Webb <purs...@ca.inter.net>: >> I've listed what's available at the local store, >> which I trust to stock reliable items, tho' I wouldn't ask their advice. >> >> All the AMD's are 32 nm , while the Intel recommended by one commenter >> -- Core i5-3570 4-Core Socket LGA1155, 3.4 Ghz, 6MB L3 Cache, 22 nm -- >> is 22 nm : it costs CAD 230 & they have 3 in stock, >> which suggests demand, but not the most popular ( 9 in stock). >> >> Isn't 22 nm going to be faster than 32 nm ? >> >> In the same price range, AMD offers Bulldozer X8 FX-8150 (125W) >> 8-Core Socket AM3+, 3.6 GHz, 8Mb Cache, 32 nm ( CAD 220 , 2 in stock). >> >> How do you compare cores vs nm ? >> How far is cache size important ( 6 vs 8 MB )? > > cache size is always the most important thing. cache miss is the top > reason your application slows down.
Generally speaking, but it does depend on your workload; if you're processing and referencing the same piece of memory over and over, cache shines. If you're streaming through a lot of data...not so much. Certainly, though, the former behavior is far more common. -- :wq