[citation][nom]de5_Roy[/nom]i didn't expect the oc core i5 3570k build to keep up with oc fx8350 build in threaded benches (for $200 less, even). only 7zip seems to take advantage of 8 integer clusters/cores properly and the rest of them don't seem to scale well beyond 4~ cores. i noticed that trend in games but this is the first time i've seen it in non-games softwares. i use handbrake, lame mp3 and archivers (7z, zip/rars), so those benches were very informative for me. thank you.[/citation]
I'm wondering if Blaz's disable-one-core-per-module trick would help Piledriver here, as you'd have a single core with access to 2MB L2 and 2MB L3 without the scheduler needing to worry about the second integer core. As it is, even if the software could make full use of all the CPU cores, they'd likely have a memory contention or bandwidth issue.
Steamroller will definitely improve matters but AMD will continue to be behind until anybody but the creators of 7Zip thread their software to hell (outside of rendering and productivity apps, of course).