While working on the XML microbencharks, we have found that
both JDK 1.4.2_04 and JDK 1.4.2_05 have erious scalability
issue on Windows 2003.

Both JDK 1.5 and BEA Jrockit scale quite well on the same
Windows 2003 box (4 x 2.8 Ghz Xeon wiht hyperthreading,
MS Windows 2003 EE). Please see the test data below.

JAXB test

   threads SunJDK1.4.2 SunJDK1.5 BEA Jrockit
_______________________________________________
      1 9 11 10
      2 12 20 19
      4 13 38 36


SAX test

   threads SunJDK1.4.2 SunJDK1.5 BEA Jrockit
_______________________________________________
      1 38 63 48
      2 53 98 100
      4 59 144 193



Please contact ###@###.### for info on how to
repeat the problem.