Re: Xcode 4.3.1 memory usage
Re: Xcode 4.3.1 memory usage
- Subject: Re: Xcode 4.3.1 memory usage
- From: Brad Oliver <email@hidden>
- Date: Wed, 14 Mar 2012 18:20:12 -0700
On Mar 14, 2012, at 2:33 PM, Sean McBride wrote:
> On Wed, 14 Mar 2012 14:13:39 -0700, Brad Oliver said:
>
>> So: I'm seeing thrashing after a good 3/4ths day of work, with Xcode
>> pigging out to 6.7+ GB of real private memory, which is causing the 8
>> 1-1.5GB Clang instances to start paging with 16 GB of RAM.
>
> In my experience, as soon as you have some C++, Xcode/clang use huge amounts of memory. Everyone here has at least 16 GB because of this.
Just to be clear, my issue isn't really one of needing 16 GB baseline for my build, it's that Xcode's memory usage creeps up so much during the day that my cushion of 5 or 6 spare GBs dwindles to nothing and provokes eventual swapping. Whether it's a true leak or very aggressive caching, it's still a bit shocking to see so much memory vanish like that.
I haven't seen anyone say this is by design yet, so I'm keeping a closer eye on things to see if I can determine what activities seem to prompt the greatest increase.
I won't swear to it, but it crosses my mind that if I had 32 GB, I'd see the same problem eventually happen after a several days usage without quitting Xcode 4, based on these trends.
--
Brad Oliver
email@hidden
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