[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XML Performance in a Transacation
Tatu Saloranta said: > --- Rick Jelliffe <rjelliffe@a...> wrote: > > ... >> Last year I think there were reports of good speed >> ups in parsing in >> Java jsut from re-using SAX objects. (I think the >> research was academic >> from Eastern Europe, sorry no references.) Good > > Huh? So is this not a basic common knowledge?!? Of > course proper reusing of components can have impact! > And in case of SAX (or StAX, to a lesser degree), it > has big impact for startup time, ie. performance when > handling small documents. It is one thing to be common knowledge, it is another thing to be common practise :-) > It sounds more like developer education issue, though. > An order of magnitude or two simpler than trying to > hand-code assembler level ultra-efficient decoding > (although, for much bigger audience -- only small > number of people need to write libs, compared hordes > of developers using them). I don't think it is an education issue. People implement as well as they can, given limited resources. Last time I looked at the Xalan code, for example, there were notices saying "no attempt at optimization has been made". So the solution is not sneering, but contribution. Cheers Rick Jelliffe
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