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OS X 10.5.7 Build 9J47 Seeded to Developers
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Man, I hope not. The new iMacs could use the new software for the new ATI HD4850 Video option they just came out with.
while in my windows xp bootcamp partition my wireless connects instantly after i put my mac to sleep, where as in OSX it has me wait 15 seconds or so. Its not a huge deal, but i assume its just one little thing they could fix whenever the software updates comes out. Which i am taking a really crazy guess its happening on tuesday...
9J50 is out according to AppleInsider, with 10.5.7 almost ready for release. I'm very glad to hear Apple is focusing on fixing sync issues.
Your iMac is still a dual core and will still reap the benefits of an operating system better tuned for multicore performance. As for OpenCL; I am not too sure whether your video card is supported but I see no reason why you shouldn't experience a performance boost there.
Dual-cores have been out for years and it's likely the OS is already highly optimized for them. I doubt any performance gain will be noticeable with Snow Leopard.
If it's not supported, why would you expect any performance boost?
I doubt it. Microsoft's own operating system finally started to be properly optimised for multicore designs in Windows 7 although there were improvements in Windows Vista. Hyperthreading wasn't optimised for until many years after it was released due to the OS not being able to differentiate between a virtual and real extra processor.
I'm assuming that Apple or some third party will develop CODEC's that will speed up compression by offloading it to the GPU.
But we're talking about two cores, not multicores. It's a lot easier to keep two cores saturated than four or eight, or more. I suspect that the whole reason that Grand Central is needed is that Apple's current scheduling algorithm is fine for two cores but doesn't scale well when more are involved.
C2Ds don't use hyperthreading, so I'm not sure what that has to do with it.
Now it's my turn to doubt.
Dual cores have been extinct for years, SL just wasn't build for them.
Dual cores were only built like for nine months or so. For me, I was so frustrated because I got my iMac in June of '06 and Apple started to put in C2D's in September of that year.
If SL comes out this September, that also would be the three year anniversary when Apple dumped the dual cores.
So sorry, all the dual cores can do is run SL, but you're just not going to see any performance boosts.
I think you are talking about the Core Duo vs. the Core 2 Duo. These are both dual-core processors. The difference is that the Core Duo is 32-bit, the Core 2 Duo is 64-bit.
But we're talking about two cores, not multicores. It's a lot easier to keep two cores saturated than four or eight, or more. I suspect that the whole reason that Grand Central is needed is that Apple's current scheduling algorithm is fine for two cores but doesn't scale well when more are involved.
C2Ds don't use hyperthreading, so I'm not sure what that has to do with it.
Now it's my turn to doubt.
Future Intel CPU's will include the re-introduction of hyperthreading - there are also many P4 users out there that have hyperthreading; but hey, abusing and being rude to me is alot easier than addressing the issue.
Oh, here is the article where Microsoft is finally optimising their operating system for hyperthreading:
http://www.informationweek.com/news/windows/operatingsystems/showArticle.jhtml?articleID=217500139
If you spent time reading what I wrote, I used the hyperthreading issue as an example of how there is a lag between new hardware features and Windows being optimised for it.
Yes I know that, and that Nehalems use hyperthreading.
Sorry if you took it as being rude. I didn't mean to be.
OK, I probably missed your point. Sorry.