Testers show MacBook Pro Turbo Boost oddness
Some unexpected benchmark results may show how Apple is implementing - or not - a key feature of Intel's second-generation Core i platform, 'Sandy Bridge'. Tests performed by dead-tree title PC Pro show that Sandy Bridge's Turbo Boost technology, which dynamically overclocks one, two or four cores based if the CPU load could use …
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Bootcamp software
It probably won't have anything to do with the bootcamp software that needs updating?
Bootcamp doesn'T actually do anything..
PC-Style booting is part of the EFI firmware.. Bootcamp is a GUI for the partition resizer.
I suspect it's simple.
Windows is more multicore friendly and keeps all four occupied. (You can read this as "Windows has loads of unnecessary cruft running in the background" if you prefer).
Using Windows on the hotter i7, it doesn't get the thermal leeway to boost with all four cores in use. MacOS keeps the thread count down, allowing it to turn a core or two off so it can.
That's my guess.
Yep, it'll be all that junk that runs on Windoze
I run several Windows VMs on my macbook and every single one of them uses more processor "doing nothing" with no apps open than the MBP does with most of my apps open and me using them.
Poor little processor is already toasty from Windows with all the new Redmond "Click here to enable system slowdown" features, bet the hard disk is moaning to itself too...
@Cube
Do you have a Mac OS VM to compare to? The load that you see is likely the overhead that is reuired to run a VM. I see pretty much the same load on my ESXi box for each OS, while it's doing nothing.
@AC @Cube
Even a VM shouldn't need to do anything much when the Guest is idle, so I don't see what you are getting at.
Obvious answer..
Has anyone considered that it could simply be a problem with windows, either a software bug or simply a case of the OS being more bloated and putting enough strain on the cpu that it raises the temperature enough to cause turbo boost to become disabled?
Has anyone tried benchmarking it under linux, where it would be easier to see at a lower level exactly whats going on?
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