Memory-to-memory copy and compare/exchange instructions to support non-blocking synchronization schemes

• Main Author: ZAHIR ACHMED RUMI
• Format: Patent
• Language: English
• Published: 16.03.2004
• Edition: 7
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

A coherency technique for multiprocessor systems in which threads perform atomic read or atomic write transactions pursuant to memory-to-memory copy instructions or memory-to-memory compare-and-exchange instructions. Although the source reads and target writes are each atomic, the instruction is not...