Re: Xcode 4.3.1 memory usage
Re: Xcode 4.3.1 memory usage
- Subject: Re: Xcode 4.3.1 memory usage
- From: Laurent Daudelin <email@hidden>
- Date: Tue, 13 Mar 2012 12:32:19 -0700
On Mar 13, 2012, at 12:19, Jens Alfke wrote:
>
> On Mar 13, 2012, at 11:48 AM, Alex Zavatone wrote:
>
>> Same here. I just had to buy another 8 GB of RAM to put in my laptop since I can't run Xcode, the simulator and Safari at the same time without using 7 GB of swap space.
>
> Weird. I’ve been doing fine with 4GB of RAM on my MacBook Pro. Just took a look and Xcode 4.3.1 is using ‘only' 311MB of private memory, the iOS simulator is using 3.5MB, and I’ve been doing a fair number of large builds today. I don’t use Safari, but Chrome is using 123MB for the browser itself and between 10-25MB per renderer (tab) process.
>
> Are you building large C++ projects by any chance? It’s been my experience that large C++ builds have always created tremendous memory usage, both by the compiler processes, the linker and Xcode itself. For instance building Chrome takes at least 16GB of RAM if you don’t want to be bogged down in VM thrash.
>
> —Jens
I would echo Jens' comment here. I've been working on a large project (1900 total files, over 500 source files) and right now, Xcode 4.3.1 uses 332.1MB of private memory while the 4.3 simulator is using a mere 21.4MB of private memory. I have *only* 8BG of RAM in my MacBook Pro and haven't noticed any performance degradation due to excessive swapping. Project is only pure Objective-C, though...
-Laurent.
--
Laurent Daudelin
AIM/iChat/Skype:LaurentDaudelin http://www.nemesys-soft.com/
Logiciels Nemesys Software email@hidden
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