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Early exit processing of iterative refinement algorithm using register dependency disable and programmable early exit condition
Early exit processing of iterative refinement algorithm using register dependency disable and programmable early exit condition
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机译：使用寄存器相关性禁用和可编程的提前退出条件的迭代细化算法的提前退出处理
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摘要
A programmable “early exit” of an iterative refinement algorithm is implemented by effectively disabling read after write dependency stalls of newer instructions, as well as disabling the register write enable of these instructions, for the remainder of the algorithm, in addition to disabling the register write enable of these instructions. In addition, programmable logic is provided to enable a custom early exit condition to be specified for the iterative refinement algorithm so that the underlying hardware can be configured for optimal execution of particular iterative refinement algorithms. By doing so, the latency of the algorithm is reduced and the performance is increased without the complexity and potential poor performance of compare and branch instructions that might otherwise be required.
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