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1.发明授权Circuit and method for identifying exception cases in a floating-point unit and graphics processing unit employing the same 有权用于识别浮点单元中的异常情况的电路和方法以及采用该异常情况的图形处理单元公开(公告)号：US09448806B2
公开(公告)日：2016-09-20
申请号：US13626104
申请日：2012-09-25
Applicant: Nvidia Corporation
Inventor： Marcin Andrychowicz , Alex Fit-Florea
CPC classification number: G06F9/3861 , G06F9/30014 , G06F9/30181
Abstract: A floating-point unit and a method of identifying exception cases in a floating-point unit. In one embodiment, the floating-point unit includes: (1) a floating-point computation circuit having a normal path and an exception path and operable to execute an operation on an operand and (2) a decision circuit associated with the normal path and the exception path and configured to employ a flush-to-zero mode of the floating-point unit to determine which one of the normal path and the exception path is appropriate for carrying out the operation on the operand.
Abstract translation: 一个浮点单元和一种识别浮点单元中异常情况的方法。 在一个实施例中，浮点单元包括：（1）具有正常路径和异常路径的浮点计算电路，并且可操作以对操作数执行操作，以及（2）与正常路径相关联的判定电路， 所述异常路径并被配置为采用所述浮点单元的刷新至零模式来确定所述正常路径和所述异常路径中的哪一个适合于对所述操作数执行所述操作。
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2.发明申请CIRCUIT AND METHOD FOR IDENTIFYING EXCEPTION CASES IN A FLOATING-POINT UNIT AND GRAPHICS PROCESSING UNIT EMPLOYING THE SAME 有权用于识别浮点单元中的例外情况的电路和方法以及使用它的图形处理单元公开(公告)号：US20140089644A1
公开(公告)日：2014-03-27
申请号：US13626104
申请日：2012-09-25
Applicant: NVIDIA CORPORATION
Inventor： Marcin Andrychowicz , Alex Fit-Florea
CPC classification number: G06F9/3861 , G06F9/30014 , G06F9/30181
Abstract: A floating-point unit and a method of identifying exception cases in a floating-point unit. In one embodiment, the floating-point unit includes: (1) a floating-point computation circuit having a normal path and an exception path and operable to execute an operation on an operand and (2) a decision circuit associated with the normal path and the exception path and configured to employ a flush-to-zero mode of the floating-point unit to determine which one of the normal path and the exception path is appropriate for carrying out the operation on the operand.
Abstract translation: 一个浮点单元和一种识别浮点单元中异常情况的方法。 在一个实施例中，浮点单元包括：（1）具有正常路径和异常路径的浮点计算电路，并且可操作以对操作数执行操作，以及（2）与正常路径相关联的判定电路， 所述异常路径并被配置为采用所述浮点单元的刷新至零模式来确定所述正常路径和所述异常路径中的哪一个适合于对所述操作数执行所述操作。
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