[7u6] RFR (JAXP) : 7151118: Regressions on 7u4 b11 comp. 7u4 b06 on specjvm2008.xml.transform subbenchmark

Lance Andersen - Oracle Lance.Andersen at oracle.com
Thu Jun 7 16:36:35 UTC 2012

I am ok with it based on a once-over and the fact you are passing all of the tests 

On Jun 5, 2012, at 11:23 PM, Joe Wang wrote:

> I tested through all of the Xalan updates and found XalanJ-2271 to be the culprit.  It [1] was intended to improve performance in webserver environment while resolving unescaped chars in attributes. Unfortunately, it actually resulted in a 5% drop in specjvm2008.  I tried to improve the patch, by for example not making mutable copies of the CharInfo objects and etc.,  but none could get all of the performance loss back.
> Since it was a proactive update, meaning no one requested it, instead of spending too much time on this issue, I decided to roll the entire patch back. Below is the webrev [2].
> [1] https://issues.apache.org/jira/browse/XALANJ-2271
> [2] http://cr.openjdk.java.net/~joehw/7u6/cr7151118/webrev/
> All unit/sqe/tck tests passed.
> Please review.
> Thanks,
> Joe

Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037
Oracle Java Engineering 
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Lance.Andersen at oracle.com

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