Re: Xcode 4.3.1 memory usage
Re: Xcode 4.3.1 memory usage
- Subject: Re: Xcode 4.3.1 memory usage
- From: Jens Alfke <email@hidden>
- Date: Thu, 15 Mar 2012 14:52:20 -0700
On Mar 15, 2012, at 1:45 PM, Alex Zavatone wrote: Sean, when Xcode starts gobbling up pages of memory, does the terminal command, purge ram, help at all?
The ‘purge’ command won’t have any effect on that. All it does is force any dirty pages in RAM to be paged out to disk. It’s useful for performance testing, to approximate a ‘cold’ startup, but it’s not going to magically free any address space usage.
You *are* going to see RPRVT and RSIZE drop to near-zero when ‘purge’ runs, but all that means is that the memory’s been evicted from RAM temporarily.
—Jens
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