Several users continue to report issues with synchronizing devices and Macs through iSync and other synchronization applications after the update to Mac OS X 10.4.9.

Resources for “Improving Application Performance on HPC Systems with Process Synchronization” HOWTOs by Paul Terry on November 1, 2004 ...

Our process synchronization solution can prevent performance theft and increase application performance for fine-grained highly parallel applications running on 32 processors or more by up to 50%.