(19)
(11) EP 1 275 045 A2

(12)

(88) Date of publication A3:
17.01.2002

(43) Date of publication:
15.01.2003 Bulletin 2003/03

(21) Application number: 01908995.2

(22) Date of filing: 09.02.2001
(51) International Patent Classification (IPC)7: G06F 12/00
(86) International application number:
PCT/US0104/147
(87) International publication number:
WO 0106/3240 (30.08.2001 Gazette 2001/35)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 25.02.2000 US 513033
25.02.2000 US 513034

(71) Applicant: SUN MICROSYSTEMS, INC.
Palo Alto,California 94303 (US)

(72) Inventors:
  • MOUDGAL, Anuradha, N.
    Fremont, CA 94539 (US)
  • KUTTANNA, Belliappa, M.
    Austin, TX 78749 (US)
  • TZENG, Allan
    San Jose, CA 95135 (US)

(74) Representative: Cross, Rupert Edward Blount 
BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) APPARATUS AND METHOD FOR MAINTAINING HIGH SNOOP TRAFFIC THROUGHPUT AND PREVENTING CACHE DATA EVICTION DURING AN ATOMIC OPERATION