[Bug 11674] Dual-core unsupported in WoW and SC2

wine-bugs at winehq.org wine-bugs at winehq.org
Tue Jun 12 21:22:03 CDT 2012


http://bugs.winehq.org/show_bug.cgi?id=11674

Alexey Loukianov <mooroon2 at mail.ru> changed:

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                 CC|                            |mooroon2 at mail.ru

--- Comment #178 from Alexey Loukianov <mooroon2 at mail.ru> 2012-06-12 21:22:03 CDT ---
I'm not sure if this bug is _de_facto_ obsolete or not, but the observed
behavior of the Diablo III running under Wine exactly fits under definitions of
this bug: under Wine I've got several D3 threads but only one of them uses CPU
(around 90-95% of one core), rest are mostly idle. Under native OS with the
same D3 installation I've got entirely different CPU usage situation: with
"default" affinity D3 process utilizes 4 of 8 cores, each core is hogged for
about 50%. When I change CPU affinity of D3 process myself limiting it to only
use CPU 0 and 2 (i.e. I want the game to use two cores of my AMD FX CPU that do
not share the same FP blocks) the game tasks both of these cores to around
80-85%.

I believe that this is one of the core reasons the game performing under Wine
way worse than it performs on native producing low FPS that seems to be CPU
limited (i.e. it remains almost the same when I switch from 1680x1050 down to
800x600 resolution while standing near waypoint at the middle of the Act I
town).

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