Linked by Jordan Spencer Cunningham on Wed 13th May 2009 01:18 UTC
Benchmarks Phoronix, known for their various speed tests and reviews, compared the latest in Ubuntu and what, until recently, used to be the lastest in Mac OS X with 29 different benchmarking tests. Some of the results were rather interesting.
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So when I click a launcher, the app needs to be there instantly to receive brownie points. When I press the close button, it needs to disappear instantly for brownie points. When I press a menu button, the menu should appear instantly. Etc. Mac OS X simply does not perform optimal when it comes to responsiveness.

It is true. Mac OS X is not as responsive as it should on the user interface department.

I'm from a BeOS world, and anything less than instant responses is evil and bad and should cause people to be fired.

That's not true. BeOS was very responsive, I used it, but it was not that responsive, especially considering how old the graphic interface in BeOS was. BeOS was not as responsive as Mac OS 9, for example. Mac OS 9 has its problems, but responsiveness was not. All the time the user was first (Except when the system hanged itself).

Preemptive operating systems, are not as responsive as cooperative multitasking systems, for obvious reasons, but you gain robustness.

BeOS display technology, was not either even 1/10 of the sophistication Mac OS X or Vista has. BeOS was pixel related, very similar to what Mac OS 9 was and Windows XP is. Everything was a bitmap.

Mac OS X, in contrast, is PDF-vector related, heavy transparent (everything has alpha channel, even if it is not used), double buffered. (It has to be slow, because everything is written on the screen twice), heavy anti-aliasing, etc. How do you think those animations are made? Vista is similar to Mac OS X in that respect.

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