发明申请
- 专利标题: TERMINATION OF IN-FLIGHT ASYNCHRONOUS MEMORY MOVE
- 专利标题(中): 飞行异常记忆移动的终止
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申请号: US12024546申请日: 2008-02-01
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公开(公告)号: US20090198975A1公开(公告)日: 2009-08-06
- 发明人: Ravi K. Arimilli , Robert S. Blackmore , Ronald N. Kalla , Chulho Kim , Balaram Sinharoy , Hanhong Xue
- 申请人: Ravi K. Arimilli , Robert S. Blackmore , Ronald N. Kalla , Chulho Kim , Balaram Sinharoy , Hanhong Xue
- 主分类号: G06F9/315
- IPC分类号: G06F9/315
摘要:
A data processing system has a processor, a memory, and an instruction set architecture (ISA) that includes: (1) an asynchronous memory mover (AMM) store (ST) instruction initiates an asynchronous memory move operation that moves data from a first memory location having a first real address to a second memory location having a second real address by: (a) first performing a move of the data in virtual address space utilizing a source effective address a destination effective address; and (b) when the move is completed, completing a physical move of the data to the second memory location, independent of the processor. The ISA further provides (2) an AMM terminate ST instruction for stopping an ongoing AMM operation before completion of the AMM operation, and (3) a LD CMP instruction for checking a status of an AMM operation.
公开/授权文献
- US07937570B2 Termination of in-flight asynchronous memory move 公开/授权日:2011-05-03