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    • 98. 发明授权
    • Method to support heterogeneous memories
    • 支持异构存储器的方法
    • US07685376B2
    • 2010-03-23
    • US11418063
    • 2006-05-03
    • Vincent J. ZimmerMichael A. Rothman
    • Vincent J. ZimmerMichael A. Rothman
    • G06F12/00
    • G06F12/0638Y02D10/13
    • A method and apparatus is described herein for supporting heterogeneous local memories. A resource affinity table includes an entry for each local memory mapped into an address space. Each entry associating the corresponding local memory with a logical distance, such as a domain number. During runtime thread scheduling, memory operations, and other tasks are potentially assigned to the local memory devices based on the logical distance associated with each memory in the resource affinity table. As a consequence, heterogeneous memory types or homogeneous memories with different access times may be efficiently combined in a system to achieve large amount of memory at a smaller cost without sacrificing performance by allowing an operating system to make intelligent scheduling choices based on logical distances/access times of the aforementioned memories.
    • 本文描述了一种用于支持异构本地存储器的方法和装置。 资源关联表包括映射到地址空间中的每个本地存储器的条目。 每个条目将对应的本地存储器与诸如域号的逻辑距离相关联。 在运行时线程调度,存储器操作和其他任务可能基于与资源关联表中的每个存储器相关联的逻辑距离来分配给本地存储器设备。 因此,具有不同访问时间的异构存储器类型或同质存储器可以被有效地组合在系统中以更低的成本实现大量的存储器,而不会通过允许操作系统基于逻辑距离/访问进行智能调度选择来牺牲性能 上述记忆的次数。