Automatic Application Specific Floating-Point Unit Generation

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Provided by: edaa
Topic: Hardware
Format: PDF
In this paper, the authors describe the creation of custom Floating Point Units (FPUs) for Application Specific Instruction Set Processors (ASIPs). ASIPs allow the customization of processors for use in embedded systems by extending the instruction set, which enhances the performance of an application or a class of applications. These extended instructions are manifested as separate hardware blocks, making the creation of any necessary floating point instructions quite unwieldy. On the other hand, using a predefined FPU includes a large monolithic hardware block with considerable number of unused instructions.
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