Parallel task operation in processor and reconfigurable coprocessor configured based on information in link list including termination information for synchronization
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United States of America Patent
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Aug 18, 2009
Grant Date -
Dec 9, 2004
app pub date -
Sep 9, 2002
filing date -
Dec 14, 2001
priority date (Note) -
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Abstract
A reconfigurable processor (VPU) is designed for a technical environment having a standard processor (CPU) which has, for example, a DSP, RISC, CISC processor or a (micro)controller. The VPU and the CPU are coupled to form a processor-coprocessor arrangement. For the coupling, the CPU executes a program and provides, during the execution, configuration related information, in accordance with the configuration related information; a configuration load unit is instructed to load a configuration into the VPU and responsively loads the configuration into the VPU; the VPU processes data in accordance with the configuration; the CPU parallelly processes data by continuing the program execution if it can be continued without waiting for output of the VPU's data processing or, otherwise, executing a different program; and synchronization signals are transferred between the CPU and the VPU to synchronize the data processing of the VPU and CPU.
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