Howdy, Not a tomcat issue. As (Ralph I think it was?) said, it's between the JVM implementation and the OS threading library. Others have noted bad performance on HT machines. Tiger (JDK 1.5) on Intel is supposed to be better.
Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >Sent: Thursday, February 26, 2004 7:30 AM >To: [EMAIL PROTECTED] >Subject: Hyperthreading performance dead ! > >Hi. > >I've been testing my Java app in Tomcat on a Hyperthreading Dell PC - >identical to current production dell bar HT. The app runs more than 20x as >slow compared with existing system. There is no difference at all hardware >/ software apart from HT. > >Does Tomcat work on Hyperthreading PC's / any1 else had & solved this >problem ?? > >Thanks, >Pete. > >QUINN-direct Insurance Limited is regulated by the Irish Financial Services >Regulatory Authority > > > >*********************************************************************** **** >******** >This email and any files transmitted with it are confidential and intended >solely for the use of the individual or entity to whom they are addressed. >If you have received this email in error please notify the system manager. >This footnote also confirms that this email message has been swept by >MIMEsweeper for the presence of computer viruses. >*********************************************************************** **** >******** >For any information on the Quinn Group of Companies please visit :- > >http://www.quinn-group.com > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
