ios - Does SDWebImage Framework Automaticcaly use Grand Central Dispatch? -


say if have block of code below; 

#import <sdwebimage/uiimageview+webcache.h>  ...  - (uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath {     static nsstring *myidentifier = @"myidentifier";      uitableviewcell *cell = [tableview dequeuereusablecellwithidentifier:myidentifier];      if (cell == nil)     {         cell = [[[uitableviewcell alloc] initwithstyle:uitableviewcellstyledefault                                        reuseidentifier:myidentifier] autorelease];     }      // here use new provided sd_setimagewithurl: method load web image     [cell.imageview sd_setimagewithurl:[nsurl urlwithstring:@"http://www.domain.com/path/to/image.jpg"]                       placeholderimage:[uiimage imagenamed:@"placeholder.png"]];      cell.textlabel.text = @"my text";     return cell; }

do need worry enclosing of in grand central dispatch blocks, or handled us?


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