Symbiotic Jobscheduling for a Simultaneous Multithreading Processor Allan Snavely University of California, San Diego 9500 Gilman Drive La Jolla, California 92093-0505 [email protected] Dean M. Tullsen University of California, San Diego 9500 Gilman Drive La Jolla, California 92093-0114 [email protected] ABSTRACT 1. INTRODUCTION