Concurrent Reads & Writes

Concurrent Reads & Writes

• EREW - Exclusive Read, Exclusive Write
• CREW - Common Read, Exclusive Write
• CRCW - Common Read, Common Write
  • All common writes must write the same thing
  • Highest Priority Processor wins contest
• CREW is more powerful than EREW
• CRCW is more powerful than CREW

Previous slide

Next slide

Back to the first slide

View Graphic Version