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    • 3. 发明授权
    • Post timing layout modification for performance
    • 发布时序布局修改的性能
    • US08448124B2
    • 2013-05-21
    • US13236977
    • 2011-09-20
    • Uwe FassnachtVeit GernhoeferMichael S. GrayJoachim Keinert
    • Uwe FassnachtVeit GernhoeferMichael S. GrayJoachim Keinert
    • G06F17/50G06F9/455
    • G06F17/5068G06F2217/84
    • A mechanism is provided for post timing layout modification for performance. The mechanism selectively applies layout modification based on timing analysis at the path level. The mechanism applies stress only to transistors that are in a setup critical path without applying stress to transistors in hold critical paths. The mechanism may use a method to apply stress to improve performance of a transistor in a setup critical path, as long as the stress does not also improve performance of a neighboring transistor in a hold critical path. In some instances, the mechanism may apply stress to improve performance of a transistor in a setup critical path while simultaneously degrading performance of a transistor in a hold critical path.
    • 提供了一种用于性能的后期时序布局修改的机制。 该机制基于路径级别的时序分析,选择性地应用布局修改。 该机制仅将压力应用于处于设置关键路径的晶体管,而不对保持关键路径中的晶体管施加压力。 该机制可以使用施加应力以提高晶体管在设置关键路径中的性能的方法,只要该应力不会改善保持关键路径中的相邻晶体管的性能即可。 在一些情况下,该机制可以施加应力以改善设置关键路径中的晶体管的性能,同时降低保持关键路径中的晶体管的性能。
    • 4. 发明申请
    • POST TIMING LAYOUT MODIFICATION FOR PERFORMANCE
    • 启动时序布局修改性能
    • US20130074025A1
    • 2013-03-21
    • US13236977
    • 2011-09-20
    • Uwe FassnachtVeit GernhoeferMichael S. GrayJoachim Keinert
    • Uwe FassnachtVeit GernhoeferMichael S. GrayJoachim Keinert
    • G06F17/50
    • G06F17/5068G06F2217/84
    • A mechanism is provided for post timing layout modification for performance. The mechanism selectively applies layout modification based on timing analysis at the path level. The mechanism applies stress only to transistors that are in a setup critical path without applying stress to transistors in hold critical paths. The mechanism may use a method to apply stress to improve performance of a transistor in a setup critical path, as long as the stress does not also improve performance of a neighboring transistor in a hold critical path. In some instances, the mechanism may apply stress to improve performance of a transistor in a setup critical path while simultaneously degrading performance of a transistor in a hold critical path.
    • 提供了一种用于性能的后期时序布局修改的机制。 该机制基于路径级别的时序分析,选择性地应用布局修改。 该机制仅将压力应用于处于设置关键路径的晶体管,而不对保持关键路径中的晶体管施加压力。 该机制可以使用施加应力以提高晶体管在设置关键路径中的性能的方法,只要该应力不会改善保持关键路径中的相邻晶体管的性能即可。 在一些情况下,该机制可以施加应力以改善设置关键路径中的晶体管的性能,同时降低保持关键路径中的晶体管的性能。