rel=me » gc http://rel.me programming, objective-c, cocoa, iphone, c Wed, 01 Feb 2012 07:26:50 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 GC and ObjectSpace http://rel.me/2007/08/24/gc-and-objectspace/ http://rel.me/2007/08/24/gc-and-objectspace/#comments Fri, 24 Aug 2007 17:01:00 +0000 admin /2007/09/05/gc-and-objectspace I saw this at the Rails Edge conference and thought it was cool; aside from its really expensive to implement in JRuby.

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>> GC.disable
=> false
>> instances = 0
=> 0
>>  ObjectSpace.each_object(Artist) { |a| instances += 1 }
=> 0
>> Artist.find(:all, :limit => 5)
=> [#<Artist:0x327d348 @attributes={....
>>  ObjectSpace.each_object(Artist) { |a| instances += 1 }
=> 5
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