On Aug 23, 2013, at 9:40 AM, Alex Zavatone <z...@mac.com> wrote: > > Why isn't it a good idea to have everything set up before you need it? > > In my reasoning, If there is downtime when items can be set up of prefetched > before they are needed, then they are ready for use when needed. > > If you don't do that, then there is some delay when you need the items that > is handled ahead of time, resulting in a delay before the items are available > for use or displayed to the user. > > Of course, this implied lazy instantiation and with it, I wonder why lazy > instantiation is so big. If we're focused on performance, doesn't it make > sense to have the items ready before we need them? > > Sure, I use lazy instantiation at times as well, but I'm rather curious as to > why this is such a preferred method.
1. It shortens the time before a system becomes responsive to the user. 2. The container might not be used at all, so its a win-win-win. 3. The time it takes to lazy allocate a container is lost in the noise. Tom Wetmore _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
