Re: maximum theoretical speedup with dual quad processors
Re: maximum theoretical speedup with dual quad processors
- Subject: Re: maximum theoretical speedup with dual quad processors
- From: Rob Keniger <email@hidden>
- Date: Tue, 3 Feb 2009 15:26:51 +1000
On 03/02/2009, at 2:30 PM, Peter Duniho wrote:
On my computer, the one time I saw it crash, it was an
NSInvalidArgumentException, complaining that in "-[MyOperation
start]" the "receiver has already started or finished". I'm
wondering if this is the exception everyone sees, or if the actual
exception varies from one execution of the program to the next.
This is what I see:
calculon:scratch rob$ ./crash
2009-02-03 15:21:04.401 crash[39074:10b] 50000 operations
2009-02-03 15:21:18.651 crash[39074:10b] 100000 operations
2009-02-03 15:21:35.616 crash[39074:10b] 150000 operations
2009-02-03 15:21:50.491 crash[39074:10b] 200000 operations
2009-02-03 15:22:05.632 crash[39074:10b] 250000 operations
2009-02-03 15:22:24.504 crash[39074:10b] 300000 operations
2009-02-03 15:22:39.997 crash[39074:10b] 350000 operations
2009-02-03 15:22:58.344 crash[39074:10b] 400000 operations
2009-02-03 15:23:14.799 crash[39074:10b] 450000 operations
2009-02-03 15:23:32.000 crash[39074:10b] 500000 operations
2009-02-03 15:23:47.136 crash[39074:10b] 550000 operations
2009-02-03 15:23:58.784 crash[39074:10b] 600000 operations
2009-02-03 15:24:12.709 crash[39074:10b] 650000 operations
2009-02-03 15:24:24.218 crash[39074:10b] 700000 operations
2009-02-03 15:24:38.876 crash[39074:10b] 750000 operations
2009-02-03 15:24:56.018 crash[39074:10b] 800000 operations
2009-02-03 15:25:09.532 crash[39074:10b] 850000 operations
2009-02-03 15:25:22.714 crash[39074:10b] 900000 operations
2009-02-03 15:25:24.104 crash[39074:4703] *** Terminating app due to
uncaught exception 'NSInvalidArgumentException', reason: '*** -
[MyOperation start]: receiver has already started or finished'
2009-02-03 15:25:24.105 crash[39074:4703] Stack: (
2425811211,
4152891,
2425810667,
2425810730,
2510205101,
2510204242,
2491407,
2491074
)
Trace/BPT trap
--
Rob Keniger
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