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- W1973132521 abstract "The length of a statically created instruction schedule determines to a great extent the performance of program executions on VLIW architectures. In this paper we present a simple, yet effective, method to reduce the length of a static instruction schedule by introducing new hardware operations, referred to as super operations. A super operation replaces a number of operations, while maintaining functionality, hence decreasing the total number of operations to be executed and thereby eliminating the dependencies between them. In order to replace a number of operations, super operations must often process more operands and produce more results than traditional operations. The Philips TM-1000 is a VLIW based architecture. Its CPU is a 5-issue machine with 27 functional units, each connected to one issue-slot. To support super operations, we extend the hardware with special functional units which are connected to more than one issue-slot. In this paper we discuss the modifications that were made to the compiler in order to support super operations and we demonstrate the ease with which super operations can be applied by the application programmer. To a lesser extent, we address consequences of super operations concerning the hardware. Furthermore, we demonstrate the benefit of super operations by showing the performance improvement for some multimedia applications." @default.
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- W1973132521 date "1998-03-26" @default.
- W1973132521 modified "2023-09-23" @default.
- W1973132521 title "<title>Programming VLIW architectures with super operations</title>" @default.
- W1973132521 doi "https://doi.org/10.1117/12.304675" @default.
- W1973132521 hasPublicationYear "1998" @default.
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