金融界2025年1月31日消息,国家知识产权局信息显示,美商新思科技有限公司申请一项名为“用于定位约束的偏置原因减少”的专利,公开号 CN 119378482 A,申请日期为 2024 年 7 月。
专利摘要显示,本公开涉及用于定位约束的偏置原因减少。在一个示例中,获得在仿真被测设计(DUT)期间确定的控制二进制序列(CBS)。仿真包括使用由覆盖偏置器偏置的约束随机刺激发生器(CRSG)。CBS包括第一使能位,该第一使能位对应于由CRSG求解并且由覆盖偏置器偏置的相应约束问题,并且在仿真期间根据该第一使能位触发指定消息。构建具有第二使能位的简化CBS,该第二使能位是第一使能位的子集。获得通过重新仿真 DUT而生成的仿真结果。重新仿真包括:对于每个约束问题,选择性地恢复CRSG的求解步骤,该求解步骤是在仿真期间当简化CBS的对应位是使能位时执行的。当仿真结果包括指定消息时,分配简化CBS作为触发指定消息的触发CBS。
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