Design

CoWare's Processor Designer Provides Increased Support for Next-Generation VLIW Processors

5th February 2007
ES Admin
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CoWare has announced a new release of CoWare Processor Designer that provides increased support for next-generation Very Long Instruction Word (VLIW) processors. The new CoWare Processor Designer enables users to explore a large design space to ensure that the targeted processing power is achieved and the interconnect infrastructure is available to feed data into the processor at an acceptable rate. The latter can only be done in the platform context. Only CoWare has the combined offering of processor development and platform design to provide the full solution. Without this capability, architecture exploration can take up to several months. Now, with CoWare Processor Designer, it can be done in a matter of hours.
VLIW architectures have proven to be an optimal target for today's C compiler technology. VLIW architectures do not require designs to sacrifice software development productivity for the very high-performance processing needed for the next-generation high-end video, multimedia and wireless

devices. Companies developing high-end video processing devices that implement the next generation H.264 or VC1 video standards and companies developing wireless baseband processing devices targeting the next generation WiMAX or LTE (next-generation W-CDMA) wireless standards can

benefit the most from the new capabilities in Processor Designer. With the software programmability available through the Processor Designer flow, users can make adjustments for late changes in the standards and provide devices that can be programmed for different standards. This can be done

while maintaining the performance of custom hardware.



If redundant parallel data paths are included, they make the design too expensive. Very specific customization of every application is required to be cost effective. The new enhancements to the LISA language, which are now available through CoWare Processor Designer, enable users to parameterize

the processor architecture with the number of parallel data paths (VLIW slots) to determine the optimal number of slots for a specific application and then customize each slot individually. The new Processor Designer fully automates the exploration of the number of parallel data paths by

generating software development tools such as assembler, linker, simulator,

and a highly-optimizing C complier for software performance measurement, as well as RTL code generation for hardware cost estimation. The result is that the user can script the exploration of various architectures with different data paths in a matter of hours rather than months.



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