Processor IP

Leveraging Processor Extensibility to Build an Ultra Low-Power Embedded Subsystem
The ever increasing demand for smaller electronic devices, with more functionality, longer battery life, and shorter time to market has accelerated use of embedded processors and subsystems to offload the host processor from commonly executed tasks. Processor extensions provide a means to extend a general-purpose processor with custom hardware accelerators to optimize the execution of dedicated applications for reduced energy consumption and area, and/or increased performance. This white paper describes how processor extensions can optimize power and performance of a processor when targeting sensor applications, demonstrated using Synopsys’ DesignWare® ARC® Processors and ARC Processor Extensions (APEX) technology.
Jeroen Geuzebroek, Senior R&D Engineer, Synopsys

The Linley Group: Synopsys ARC HS Processors: High-Speed Licensable CPU Cores for Embedded Applications
This white paper describes the Synopsys DesignWare® ARC® HS (High Speed) processor family. ARC HS34 and HS36 are the first members of the company’s newest family of licensable CPU cores for embedded applications that need 32-bit RISC performance in a small silicon footprint with minimal power consumption. The Linley Group prepared this report after evaluating ARC HS performance data and technical features.
Tom R. Halfhill, Senior Analyst, The Linley Group; J. Scott Gardner, Senior Analyst, The Linley Group

The Linley Group: DesignWare ARC EM Family: Efficient CPU Cores for Embedded Applications
This paper describes Synopsys’ DesignWare® ARC® EM Processor Family, the company’s newest licensable CPU cores for embedded applications that benefit from 32-bit RISC performance with a tiny silicon footprint and minimal power consumption. According to vendor testing with EEMBC, SPEC, and other benchmarks, the newest ARC EM CPUs have excellent code density while delivering high performance using less power in a small silicon-area footprint. The Linley Group prepared this report after evaluating performance data and technical features for the recently upgraded EM4 and EM6 CPU cores.
J. Scott Gardner, Senior Analyst, The Linley Group; Tom R. Halfhill, Senior Analyst, The Linley Group

Obfuscating Attacks on Secure SoCs through Encrypted Code Execution
Security concerns continue to prevail in a wide variety and growing number of application areas for SoCs, with attacks commonly targeting memory contents and processor operation. Secure SoCs, such as those commonly found in payment cards, often come under various forms of attacks from hackers seeking to access the information stored in the on-chip memories and use it for illegal financial gain. As a result, security schemes must be varied and many, while limiting cost and performance impact. By enabling on-the-fly execution of encrypted code, the ARC Secure option for DesignWare ARC 600 processors ensures that attacks accessing instruction memory contents find encrypted code, and attacks focused on processor operational signatures (such as state or state changes) are more difficult to carry out.
Steve Tateosian, Synopsys, Inc., Product Marketing Manager

Improving Performance and Simplifying Coding with XY Memory’s Implicit Parallelism
Explicit and implicit instruction-level parallelism techniques boost processor performance by increasing the amount of work done in a given time interval. Implicit parallelism using XY memory retains the RISC programming model and brings all the XY memories into the pipeline, resulting in a resource-efficient and high-performing implementation. The DesignWare® ARC™ XY Advanced DSP extension adds digital signal processing to the ARC processors, enabling RISC and signal processing computation within a single unified architecture.
Manny Wright, Senior FAE, Synopsys, Inc.

Reality Check: A Guide to Understanding Optimized Processor Cores
The performance of the processor core in an SoC is often a key product differentiator. It's not just about performance though - power and cost are equally important considerations. In today's markets, SoC developers have to hit aggressive power, performance and area goals to remain competitive. This white paper discusses the many interacting parameters that determine the optimum implementation for your application.
Jonathan Young, Brian Machesney, Synopsys, Inc.

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