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1. 发明授权

US09448617B2 Systems and methods for messaging-based fine granularity system-on-a-chip power gating 有权
标题翻译：基于消息传递的精细粒度系统片上电源门控的系统和方法
公开(公告)号：US09448617B2
公开(公告)日：2016-09-20
申请号：US14204555
申请日：2014-03-11
申请人： FutureWei Technologies, Inc.
发明人： Mark Brown , Mehran Bagheri , Peter Yan , Alan Gatherer
IPC分类号： G06F1/32 , G06F13/40 , G06F9/44
CPC分类号： G06F1/3293 , G06F1/3243 , G06F9/4418 , G06F13/4022 , Y02D10/151 , Y02D10/152 , Y02D50/20
摘要： System and method embodiments are provided for messaging-based System-on-a-chip (SoC) power gating. The embodiments enable fine granularity SoC power gating without introducing significant latency and substantially maximizes SoC power reduction. In an embodiment, a method in a first SoC resource for messaging-based power gating includes receiving at the first SoC resource a wakeup notification message (WNM) from a second SoC resource, wherein the WNM comprises a time at which a result message from the second SoC resource is expected to arrive at the first SoC resource; determining with the first SoC resource a wake-up time according to the time at which the result message from the second SoC resource is expected to arrive at the first SoC resource; setting a wake-up time timer to expire at the wake-up time; and waking up the first SoC resource when the wake-up time timer expires when the first SoC resource is asleep.
摘要翻译：为基于消息传递的片上系统（SoC）电源门控提供系统和方法实施例。这些实施例使得细粒度SoC功率门控不引入显着的延迟并且基本上使SoC功率降低最大化。在一个实施例中，用于基于消息的功率门控的第一SoC资源中的方法包括在第一SoC资源处从第二SoC资源接收唤醒通知消息（WNM），其中WNM包括来自第二个SoC资源有望到达第一个SoC资源; 根据预期来自第二SoC资源的结果消息到达第一SoC资源的时间，利用第一SoC资源确定唤醒时间; 设置唤醒时间计时器在唤醒时间到期; 当第一个SoC资源处于睡眠状态时唤醒时间定时器到期时，唤醒第一个SoC资源。

2. 发明申请

US20150261290A1 Systems and Methods for Messaging-based Fine Granularity System-on-a-Chip Power Gating 有权
标题翻译：基于消息传送的精细粒度系统的片上电源门控系统和方法
公开(公告)号：US20150261290A1
公开(公告)日：2015-09-17
申请号：US14204555
申请日：2014-03-11
申请人： FUTUREWEI TECHNOLOGIES, INC.
发明人： Mark Brown , Mehran Bagheri , Peter Yan , Alan Gatherer
IPC分类号： G06F1/32 , G06F9/44 , G06F13/40
CPC分类号： G06F1/3293 , G06F1/3243 , G06F9/4418 , G06F13/4022 , Y02D10/151 , Y02D10/152 , Y02D50/20
摘要： System and method embodiments are provided for messaging-based System-on-a-chip (SoC) power gating. The embodiments enable fine granularity SoC power gating without introducing significant latency and substantially maximizes SoC power reduction. In an embodiment, a method in a first SoC resource for messaging-based power gating includes receiving at the first SoC resource a wakeup notification message (WNM) from a second SoC resource, wherein the WNM comprises a time at which a result message from the second SoC resource is expected to arrive at the first SoC resource; determining with the first SoC resource a wake-up time according to the time at which the result message from the second SoC resource is expected to arrive at the first SoC resource; setting a wake-up time timer to expire at the wake-up time; and waking up the first SoC resource when the wake-up time timer expires when the first SoC resource is asleep.
摘要翻译：为基于消息传递的片上系统（SoC）电源门控提供系统和方法实施例。这些实施例使得细粒度SoC功率门控不引入显着的延迟并且基本上使SoC功率降低最大化。在一个实施例中，用于基于消息的功率门控的第一SoC资源中的方法包括在第一SoC资源处从第二SoC资源接收唤醒通知消息（WNM），其中WNM包括来自第二个SoC资源有望到达第一个SoC资源; 根据预期来自第二SoC资源的结果消息到达第一SoC资源的时间，利用第一SoC资源确定唤醒时间; 设置唤醒时间计时器在唤醒时间到期; 当第一个SoC资源处于睡眠状态时唤醒时间定时器到期时，唤醒第一个SoC资源。

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