Re: [Simple-support] Android performance - strange profiling

[bubbleguuum <bub...@fr...>]

On 10/01/2012 17:11, Dawid Weiss wrote:
> This is not only the case with Android I think. We compile simple-xml
> to .NET via IKVM and the startup time lag is significant too. I think
> it's the sheer amount of classes involved is the problem (initial
> JITting).
>
> I would appreciate if you could share your findings and I would be
> interested in helping to improve it if possible.
>
> Dawid
>

First parsing is slow as a model of the schema is constructed (and cached).
Subsequent parse should be much faster.

However I have recently converted a simple-xml parser to straight 
XmlPullParser and it was 3-5x faster.
Notably, direct XmlPullParser allocates way less temp objects which in 
turn lessen garbage collection a lot.

At this point, I wouldn't use simple-xml on Android when parsing 
performance is important or critical.