[Openmcl-devel] Slow Slime Startup with 1.9 dev OS X

Alexander Repenning alexander.repenning at Colorado.EDU
Fri Aug 24 00:05:15 UTC 2012


I am beginning to wonder if this is different manifestation of the same problem we have. Does it only happen with OS X 10.8/Mountain Lion? When it does happen, and it may not happen all the time, does not only CPU but also RealMemory go up significantly, e.g., from say 100 MB to a couple of GB and sometime even crash (particularly the 32 bit version)?

Can't be at all sure about it but so far there seems to be some correlation between this CPU/Memory surge and creating new threads or not servicing events for some time in the main thread. Never seen this on Snow Leopard or Lion. 

Alex


On Aug 11, 2012, at 8:13 PM, Wade Humeniuk wrote:

> I updated my 1.9 devel branch a few days ago and now the time to start ccl under slime is quite large.  Sometimes greater than 30 secs (and a few times I had to abort slime connection).  Looking at the OS X Activity Monitor shows ccl taking up 100% cpu during swank/slime startup and goes negligible after connecting.  I originally thought it had something to do with Mountain  Lion and me building ccl under that latest Xcode.  I svn'ed the 1.8 release version and it worked fine, I also re-build 1.8 under mountain lion and everything was also fine.
> 
> Version with slow behaviour
> 
> Dex:ccl wade$ ./dx86cl64 
> Welcome to Clozure Common Lisp Version 1.9-dev-r15382M-trunk  (DarwinX8664)!
> ? 
> 
> 1.8 version
> 
> Dex:ccl18 wade$ ./dx86cl64 
> Welcome to Clozure Common Lisp Version 1.8-r15436M  (DarwinX8664)!
> ? 
> 
> 
> Is anyone else having the issue?
> 
> Wade
> 
> Xcode 4.4.1
> 
> Hardware Overview:
> 
>   Model Name:	MacBook Pro
>   Model Identifier:	MacBookPro8,2
>   Processor Name:	Intel Core i7
>   Processor Speed:	2.2 GHz
>   Number of Processors:	1
>   Total Number of Cores:	4
>   L2 Cache (per Core):	256 KB
>   L3 Cache:	6 MB
>   Memory:	8 GB
>   Boot ROM Version:	MBP81.0047.B27
>   SMC Version (system):	1.69f3
>   Serial Number (system):	C2QHF01ADY1N
>   Hardware UUID:	A9F33418-B914-5D86-9773-522EB924085F
>   Sudden Motion Sensor:
>   State:	Enabled
> 
> System Software Overview:
> 
>   System Version:	OS X 10.8 (12A269)
>   Kernel Version:	Darwin 12.0.0
>   Boot Volume:	Macintosh HD
>   Boot Mode:	Normal
>   Computer Name:	Dex
>   User Name:	Wade Humeniuk (wade)
>   Secure Virtual Memory:	Enabled
>   Time since boot:	8 days 21:22
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Prof. Alexander Repenning

University of Colorado
Computer Science Department
Boulder, CO 80309-430

vCard: http://www.cs.colorado.edu/~ralex/AlexanderRepenning.vcf


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