发明授权
US08533505B2 Data processing apparatus and method for transferring workload between source and destination processing circuitry
有权
用于在源和目的地处理电路之间传送工作负载的数据处理装置和方法
- 专利标题： Data processing apparatus and method for transferring workload between source and destination processing circuitry
- 专利标题（中）： 用于在源和目的地处理电路之间传送工作负载的数据处理装置和方法
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申请号： US12659230申请日： 2010-03-01
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公开(公告)号： US08533505B2公开(公告)日： 2013-09-10
- 发明人: Peter Richard Greenhalgh
- 申请人： Peter Richard Greenhalgh
- 申请人地址： GB Cambridge
- 专利权人： ARM Limited
- 当前专利权人： ARM Limited
- 当前专利权人地址： GB Cambridge
- 代理机构： Nixon & Vanderhye P.C.
- 主分类号： G06F1/32
- IPC分类号： G06F1/32 ; G06F12/00 ; G06F12/08
摘要：
In response to a transfer stimulus, performance of a processing workload is transferred from a source processing circuitry to a destination processing circuitry, in preparation for the source processing circuitry to be placed in a power saving condition following the transfer. To reduce the number of memory fetches required by the destination processing circuitry following the transfer, a cache of the source processing circuitry is maintained in a powered state for a snooping period. During the snooping period, cache snooping circuitry snoops data values in the source cache and retrieves the snoop data values for the destination processing circuitry.
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