abstract:The UltraSPARC IV Jaguar and follow-up UltraSPARC IV+ Panther are microprocessors designed by Sun Microsystems and manufactured by Texas Instruments. They are the fourth generation of UltraSPARC microprocessors, and implement the 64-bit SPARC V9 instruction set architecture (ISA).
Intel already sells chips capable of simultaneous multi-threading, and Sun's UltraSparcIV chip, launched in February, incorporates both multiple cores and multi-threading.