CORE TIGHTLY COUPLED LOCKSTEP FOR HIGH FUNCTIONAL SAFETY

    公开(公告)号:US20190047579A1

    公开(公告)日:2019-02-14

    申请号:US15942466

    申请日:2018-03-31

    Abstract: Methods and apparatus relating to provision of core tightly coupled lockstep for high functional safety are described. In an embodiment, a master core, coupled to a slave core, executes one or more operations to support Advanced Driver Assistance Systems (ADA) or autonomous driving. The master core and the slave core receive the same input signal and core tightly couple logic causes generation of a signal in response to comparison of a first output from the master core and a second output from the slave core. The generated signal causes an interruption of the one or more operations in response to a mismatch between the first output and the second output. Other embodiments are also disclosed and claimed.

    Dynamically adjusting power of non-core processor circuitry including buffer circuitry
    15.
    发明授权
    Dynamically adjusting power of non-core processor circuitry including buffer circuitry 有权
    动态调整包括缓冲电路在内的非核心处理器电路的功率

    公开(公告)号:US09501129B2

    公开(公告)日:2016-11-22

    申请号:US13780052

    申请日:2013-02-28

    CPC classification number: G06F1/324 G06F13/4022 Y02D10/126

    Abstract: In one embodiment, the present invention includes a multicore processor having a variable frequency domain including a plurality of cores and at least a portion of non-core circuitry of the processor. This non-core portion can include a cache memory, a cache controller, and an interconnect structure. In addition to this variable frequency domain, the processor can further have a fixed frequency domain including a power control unit (PCU). This unit may be configured to cause a frequency change to the variable frequency domain without draining the non-core portion of pending transactions. Other embodiments are described and claimed.

    Abstract translation: 在一个实施例中,本发明包括具有包括多个核心的可变频域和该处理器的至少一部分非核心电路的多核处理器。 该非核心部分可以包括高速缓冲存储器,高速缓存控制器和互连结构。 除了该可变频域之外,处理器还可以具有包括功率控制单元(PCU)的固定频域。 该单元可以被配置为引起对可变频域的频率改变,而不会排除待处理事务的非核心部分。 描述和要求保护其他实施例。

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