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战斗力 鹅
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注册时间 2007-11-23
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发表于 2012-1-19 11:40
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看到这么一篇...
Decked out 2011 11" MacBook Air
1.8Ghz Core i7
256GB SSD (The faster Samsung one)
4GB Memory
Decked out 2011 15" MacBook Pro
2.3GHz Core i7
400GB SSD (OWC w/SandForce, not OEM)
8GB Memory
For me the only thing that matters is Xcode performance. I just a project with the following characteristics, and measured a build from the time of pushing play to the time of the simulator launching with the login on the build displayed.
224 Source Files
63 XIB's
419 Resources
Here are the results:
Clean Build
MacBook Air: 38 seconds
MacBook Pro: 16 seconds
Repeat Build (No Clean, Simulator Left Running)
MacBook Air: 8 seconds
MacBook Pro: 8 seconds
It was expected the MacBook Pro would be faster. From a clean build it's significantly faster. From an existing build where you're touching a few files Xcode indexing to know what's changed or not makes it a wash. As most of the time we're just changing a couple files at a time the MacBook Air seems fast enough for development, just knowing that the clean build will take almost twice as long.
Also, to explain the difference, the actual copying of resources, launching the simulator, etc. took about the same time. There was a moderate difference in the compilation time, but the static analysis is where the MacBook Air lost out. The MacBook Pro killed it with the extra two cores and processor speed. |
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