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Re: sorting large tables
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Re: sorting large tables


  • Subject: Re: sorting large tables
  • From: Jens Alfke <email@hidden>
  • Date: Thu, 13 Mar 2008 09:12:27 -0700


On 13 Mar '08, at 8:52 AM, Daniel Child wrote:

I am using sortArrayUsingFunction: context: to sort a fairly large table (100k recs). Judging from the readout of comparisons being made the sort appears to be about 80% done when everything comes to a halt. No message, no nothing. It just stops.

Do you mean the process exits? Or hangs?

If it exits, it's probably an abort( ) call somewhere — run it in the debugger and see if it catches it. If not, set symbolic breakpoints on exit( ) and abort( ).

If it hangs, sample it, using the 'sample' command or Activity Monitor. Or run it in the debugger and push the pause button.

—Jens

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References: 
 >sorting large tables (From: Daniel Child <email@hidden>)

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