EDA tool automates exploration and design of application-specific instruction sets

EDA tool automates exploration and design of application-specific instruction sets

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By eeNews Europe

ASIP Designer speeds the design of application specific instruction set processors (ASIPs) and programmable accelerators, with a language-based approach that allows the automatic generation of synthesisable RTL and software development kits (SDKs) from a single input specification, accelerating the processor design and verification effort by up to five times compared to traditional manual approaches. ASIPs are deployed in a wide range of signal processing intensive applications, including wireless base stations, mobile handsets, audio processing, image processing and cloud computing.

ASIP Designer enables users to explore multiple processor architecture alternatives in minutes. Using a single input specification in the nML language, the tool automatically generates both the synthesisable RTL of the processor as well as an SDK that includes an optimising C/C++ compiler, instruction set simulator, linker, assembler, software debugger and profiler. This ensures consistency of the hardware and the SDK at all stages of the design process. The compiler generation technology includes an LLVM compiler front end and support for the OpenCL kernel language. Immediate availability of the compiler enables users to run their C, C++ and OpenCL application code on the automatically generated instruction set simulator as soon as the nML based description is available. With this “compiler in the loop” approach as well as the profiling capabilities of the debugger, ASIP Designer users can rapidly analyse and explore ASIP architectures and instruction sets to find the optimal power and performance design points for the target application.

ASIP Designer also automatically generates a SystemC based transaction level model, allowing pre-silicon software development using virtual prototypes such as those designed with Synopsys’ Virtualizer tool set. A common and easy to use flow from RTL generation to instantiation in the HAPS FPGA based prototyping system, in addition to the automatic generation of JTA based on chip debug logic, enables designers to integrate the ASIP into the system on chip (SoC) design and connect the prototype with real world I/Os to validate the hardware software integration.

A wide range of example ASIP designs for highly differentiated architectures, provided in nML source code, allows designers to start designing their own ASIP that targets their specific application requirements.

“ASIPs offer distinct advantages over standard DSPs and fixed hardware in many data plane and signal processing applications,” said John Koeter, vice president of marketing for IP and prototyping at Synopsys. “The ASIP Designer tool, built on proven technology used in hundreds of products in the market, helps design teams speed the development of custom processors and programmable accelerators tuned to their specific application. ASIP Designer gives users the ability to explore and optimise processor architectures.”


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