[stringtemplate-interest] caching getter lookup speedup

[Jim Idle]

I think that looking for (bool)hasXXXX is useful though.

Jim

> -----Original Message-----
> From: stringtemplate-interest-bounces at antlr.org [mailto:stringtemplate-
> interest-bounces at antlr.org] On Behalf Of Terence Parr
> Sent: Monday, December 27, 2010 12:10 PM
> To: stringtemplate-interest at antlr.org List
> Subject: Re: [stringtemplate-interest] caching getter lookup speedup
>
> howdy.  I'm nervous about allowing random method names even w/o args.
> I've resisted for 10 years; i should probably stick with it.  useful
> but too easily abused.
> Ter
>
> On Dec 27, 2010, at 11:35 AM, Udo Borkowski wrote:
>
> > Good work!
> >
> > I guess I can now drop my PropertyAdapter stuff and switch to the new
> ModelAdaptor feature.
> >
> >
> > Just a minor thing: when looking for a "by method" implementation of
> a property you check for the methods "getXXX" and "isXXX". While this
> is exactly as defined for JavaBeans I found it useful also to check for
> a method named "XXX". This will also cover properties like "hasFocus",
> "hasParameters", or even "initialValue" implemented by methods
> "hasFocus()", "hasParameters()" or "initialValue()".
> >
> > With this extension to the semantic of the ObjectModelAdapter guys
> like Rafael would not need to write their own Adapter but could just
> refer to every parameterless method of the "bean" as a "property" in
> their template.
> >
> > Apropos "parameterless": After finding a method (in getProperty())
> only parameterless object methods should be accepted.
> >
> > Udo
> >
> >
> >
> > On 26.12.2010, at 20:59, Terence Parr wrote:
> >
> >> ok, added benchmarking code to v4.  Tested speed with and w/o
> Method/Field caching.  about 10x improvement.  Average units of work
> went from 32.77 to 395.22. This is a micro benchmark for property
> lookup.
> >>
> >> timeSimplePropsOfArgs  :   395.24  402.13  399.98  369.82  408.94 =
> 395.22 units of work / ms
> >>
> >> timeSimplePropsOfArgs  :    32.63   32.74   32.68   32.95   32.83 =
> 32.77 units of work / ms
> >>
> >> Now I'm optimizing local attribute (arg) access.  Sam Harwell will
> be happy :)  I'll check those numbers after impl.
> >>
> >> Ter
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