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xom-interest - Re: [XOM-interest] Exception message "-1"

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Subject: XOM API for Processing XML with Java

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  • From: Wolfgang Hoschek <whoschek AT lbl.gov>
  • To: John Cowan <jcowan AT reutershealth.com>
  • Cc: xom-interest AT lists.ibiblio.org
  • Subject: Re: [XOM-interest] Exception message "-1"
  • Date: Wed, 25 May 2005 08:04:56 -0700


What is the state-of-the-art profiler for Java, anyhow? Time to start
improving performance.


IMHO, the least perturbing and most accurate profiler is the one built into JDK 1.5. run java with
-server -agentlib:hprof=cpu=samples,depth=10' flags for a long enough to collect enough samples to be statistically meaningful, then study the trace log and correlate its hotspot trailer with its call stack headers. For a background article on hprof see http://java.sun.com/ developer/technicalArticles/Programming/HPROF.html

Wolfgang.




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