[xml] Re: libxml2 performance xmlParseAttValue

[Daniel Veillard <veillard redhat com>]

On Fri, May 31, 2002 at 11:37:58AM +0200, Peter Jacobi wrote:
Content-Description: Mail message body
> Hi Daniel, All,
>
> Another easy one (perhaps the last and I should start
> thinking before coding):
>
> xmlParseAttValue unsurprisingly can profit from
> factoring out the easy case, just as already done
> for xmlParseName and xmlParseCharData. 

  hum, right !

> Benefits are pronounced for svg3, but also libxml-api.xml
> should gain something like 10%.

  yes, that's more or less what I'm seeing here !

> This optimization helps most for long attributes as the
> costly processing in xmlParseAttValueComplex can
> be skipped, but for many small attributes (as in 
> libxml-api.xml) the gains are limited by still strnduping.
> For these cases xmlParseStartTag should use a
> per-document static buffer for all attribute values found
> in one start tag, but this will give some major surgery 
> in the sources.

    This would have to be associated to the parser context, why not !


  Applied, thanks !

Daniel

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