Linked by Thom Holwerda on Thu 2nd Aug 2012 21:48 UTC
Mac OS X "Has Mountain Lion been feeling faster for you compared to Lion on the same machine? It's probably not just you: Mountain Lion appears to include improved graphics drivers and low-level graphics subsystem improvements. According to our testing, these improvements result in an approximate performance increase of up to 10 percent. Those improvements can make your current hardware feel faster despite the fact that your CPU can't magically crunch numbers any faster. The changes also lay the foundation for Apple to update OS X's OpenGL support in a more timely manner, which could potentially lead to better graphics performance in the future."
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Experiences after 3 days
by avgalen on Fri 3rd Aug 2012 07:31 UTC
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* Installed on my girlfriends MacBook with Snow Leopard. She is a Mac, I am a PC. (but we get along just fine)

1) Buying it and installing it was easy, but slow (about an hour download and 1 hour install)

2) There was no indication of which programs might not work (as I am used to see before the actual upgrade process starts on Windows)

3) After the upgrade the OS seems to work just fine, but slower than before

4) Mathlab doesn't work anymore because it uses X11. Installing XQuartz solved this

5) Her dictionary application (Japanese-English) doesn't work anymore because it used Rosetta (Power PC). No solution yet

6) "make" doesn't work anymore. She is using XCode for a major codebase (OpenCV) and even reinstalling hasn't solved this

Conclusion: Slower and several business applications stopped working, but she is continuing troubleshooting instead of just downgrading. The "IOS"-ification is strong in this one.

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