Hi, to improve the performance I started parallelizing (simple fork and join) some tasks. After testing the correctness of the output I found the performance on the parallel tasks extremely bad. In my testcase it is actually 4 times slower as normal single threaded usage. I am using a standard dual core cpu running two threads parallel. Is there anything known on bad multithreading performance using xmlbeans? In my case there is a lot parallel reading on the same data. Readlocks are for my usage not neccessary. Thanks in advance for some help.
Here is some performance data: 1 Thread on dual core: Creating graph with 2407 nodes, took: 375 ms Routing 3170 connections, took: 31610 ms 4 Threads on dual core: Creating graph with 601 nodes, took: 250 ms Creating graph with 601 nodes, took: 266 ms Creating graph with 604 nodes, took: 282 ms Creating graph with 601 nodes, took: 282 ms Routing 794 connections, took: 57172 ms Routing 792 connections, took: 59625 ms Routing 792 connections, took: 60469 ms Routing 792 connections, took: 60485 ms Bye Claus -- View this message in context: http://old.nabble.com/Bad-performance-using-multiple-threads-tp28683839p28683839.html Sent from the Xml Beans - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@xmlbeans.apache.org For additional commands, e-mail: user-h...@xmlbeans.apache.org
