Another thing you can do that does help a lot with performance is to
pre-allocate
the requires size for the destination collection:
if (iconList.Count + iconObjects.Count > iconList.Capacity)
iconList.Capacity = iconList.Count + iconObjects.Count;
On Fri, Aug 10, 2012 at 5:29 AM, Nic Wise <n...@fastchicken.co.nz> wrote:
> What iconObjects, and what does it do when you turn it into an IEnumerable?
>
> And what does .iconID do when called? Is it a field or a property?
>
> Those are the only 2 places I can see where it could go slow. You
> could use a Stopwatch (system, diagnostics) to time the various bits.
>
> On 10 Aug 2012, at 01:24, ric3kg <rickgr...@mac.com> wrote:
>
> > I have the following code:
> > foreach(Icon item in iconObjects)
> > {
> > iconList.Add(item.iconID); //iconID is a GUID string
> > }
> >
> > I'm finding 197 records. It takes ~10 seconds to execute the loop and
> > populate the list. Any thoughts on improving the performance?
> >
> > I've tried:
> > iconList.AddRange(iconObjects.Select(y=> y.iconID))
> > But it takes the same amount of time.
> >
> > Thanks,
> > Rick
> >
> >
> >
> > --
> > View this message in context:
> http://monotouch.2284126.n4.nabble.com/Performance-question-tp4656453.html
> > Sent from the MonoTouch mailing list archive at Nabble.com.
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