公开(公告)号：US20140229678A1

公开(公告)日：2014-08-14

申请号：US14258289

申请日：2014-04-22

Applicant: Advanced Micro Devices, Inc.

Inventor： Kevin M. Lepak ,  Vydhyanathan Kalyanasundharam ,  William A. Hughes ,  Benjamin Tsien ,  Greggory D. Donley

IPC: G06F12/08

CPC classification number: G06F12/084 ,  G06F12/0822 ,  G06F12/0833 ,  Y02D10/13

Abstract: A method and apparatus for accelerated shared data migration between cores, Using an Always Migrate protocol, when a migratory probe hits a directory entry in either modified or owned state, the entry is transitioned to an owned state, and a source done command is sent without sending cache block ownership or state information to the directory.

Abstract translation: 一种用于在内核之间加速共享数据迁移的方法和装置，使用始终迁移协议，当迁移探测器以修改或拥有状态访问目录条目时，该条目将转换为所有状态，并且发送源完成命令而不发送源完成命令 将缓存块所有权或状态信息发送到目录。