Re: Build slowdown with 4 processors vs. 2 or 1?
Re: Build slowdown with 4 processors vs. 2 or 1?
- Subject: Re: Build slowdown with 4 processors vs. 2 or 1?
- From: Syd Polk <email@hidden>
- Date: Fri, 8 Dec 2006 00:29:43 -0600
On Dec 7, 2006, at 11:47 PM, Jim Wintermyre wrote:
Here's a weird one. In one of my projects, when I build in XCode
on the Mac Pro, it grinds to a halt after 4 files. There is a
flurry of disk activity, and hardly any CPU activity. Top seems to
indicate a lot of swapping going on. This goes on for around a
couple minutes. What's weird is that if I set the number of
processors to 2 or 1, the problem goes away. The entire project
builds in less than 20 seconds, and the CPU load is pegged pretty
much the entire time, which is what I'd expect. Any ideas what
could be going on here? Any settings I could tweak?
Thanks,
Jim
How much RAM do you have? You need double the physical RAM for 4
compiles as your need for two.
Syd Polk
email@hidden
"Let the music be your light" - Dave Edwards, KUHF-FM, 1982
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