June 16, 2014
It’s known for a while that GCN radeons are low performers on 2008 MacPro using OSX 10.9
And the reason for this is…..
Apple fucked up some CPU power management resulting in videocard not running properly. plz fix.
Just remove AppleIntelCPUPowerManagement.kext and AppleIntelCPUPowerManagementClient.kext if you like to workaround it, speedstepping still works, cpu isn’t hot/cosuming a lot, still drops the clocks.
Hello. It’s a bit old, but still awesome news. An osx bootloader for old macs with 64-bit cpu but 32-bit efi (like macpro 1,1/2,1). Can boot osx mavericks, supports efi in osx, so nvram, firevault and other things depending on efi runtime calls will work.
Check it out here
cat /System/Library/Extensions/AppleKextExcludeList.kext/Contents/Info.plist | grep netkas
This wednesday AMD gonna announce online their new videocards, some of them might be able to beat gtx Titan.
OSX 10.9′s amd driver seems to know something about these new cards already
Radeon HD Hawaii XT Prototype
Radeon HD Hawaii PRO Prototype
Radeon HD Hawaii Unknown Prototype
not much tho, but we might hope for osx support sooner than later.
I recently discovered heaven 4.0 for mac supports tessellation on OSX 10.9. So I decided to make a comparison of windows and osx drivers using same benchmark with same preset.
Using 8 Core MP3,1 and GTX Titan card, secondary ati 2600xt for boot display. For windows using latest whql nvidia driver.
Here are the results:
OSX drivers are 22% slower than windows opengl and 26% slower than windows dx11
Nvidia drivers from 10.9, GeForce.kext has mentions of three geforce generations in it’s Info.plist
GF100 (old fermi cards)
GK100 (current kepler cards)
GM100 (future Maxwell cards)
This means they started writing drivers for maxwell, and it means samples already exists.
Some sneak peak from Apple.
Tesla acceleration drivers in 10.9
Don’t know what card they are for, Fermi based tesla C2070 didn’t used them.
Just a guess: It could be drivers optimized for computing, like there are some for windows. Maybe new Mac Pro will have not only the Firepro.
Sorry guys, its nothing about tesla cards, its just driver for older generation of geforce cards, gt200 aka tesla.
Found a link to 10.9 sdk http://swcdn.apple.com/content/downloads/04/57/041-9949/zg3gr3r5m2qdqk0b5xt4t8534x033vp4rh/MacOSX10_9_SDK.pkg
According to it, bootargs is still 2.0, so current bootloader should work