Re: Fastest way to replace characters in string
Re: Fastest way to replace characters in string
- Subject: Re: Fastest way to replace characters in string
- From: Thomas Wetmore <email@hidden>
- Date: Fri, 23 Aug 2013 11:52:29 -0400
On Aug 23, 2013, at 9:40 AM, Alex Zavatone <email@hidden> 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
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