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A Delay Slot Scheduling Framework for VLIW Architectures in Assembly-Level

机译:组装级VLIW体系结构的延迟时隙调度框架

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A delay slot scheduling framework for VLIW architectures is presented in this paper. In this framework, an assembly data dependence graph is proposed to describe the data dependences among instructions in a basic block. An assembly control flow graph is also proposed to describe control relations among basic blocks. With the help of predicate analysis technology, majority invalid control flows are detected. Along the edges in these two graphs, instructions are selected to be filled into delay slots. Additionally, a scheme to balance the local scheduling and the global scheduling is proposed in this paper. This framework is evaluated by several experiments on the SuperV-DSP processor. And the results demonstrate the effectiveness of the new approach.
机译:本文提出了一种用于VLIW体系结构的延迟时隙调度框架。在此框架中,提出了一个汇编数据依赖图,以描述基本块中指令之间的数据依赖。还提出了装配控制流程图来描述基本块之间的控制关系。借助谓词分析技术,可以检测到大多数无效控制流。沿着这两个图形的边缘,选择指令以填充到延迟槽中。另外,本文提出了一种平衡本地调度和全局调度的方案。通过在SuperV-DSP处理器上进行的几次实验对该框架进行了评估。结果证明了该新方法的有效性。

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