How To Handle Concurrency

Semiconductor Engineering

How To Handle Concurrency.

The recent article in Semiconductor Engineering by Brian Bailey on Handling Concurrency, includes discussion from Simon Davidmann of Imperas.

System complexity is skyrocketing. The evolution of processing architectures has solved many problems within a chip, but for each problem solved another one was created. Concurrency is one of those issues, and it has been getting much more attention lately.

To read the article, click here.


Fast Processor Models of Latest Arm Cores Released by Imperas and Open Virtual Platforms OVP

Arm Cortex-A32, Cortex-A35, Cortex-A55, Cortex-A73, Cortex-A75 Models Available from Imperas and OVP to Accelerate Embedded Software Development

Oxford, United Kingdom, October 24th, 2017 - Imperas Software Ltd., the leader in high-performance software simulation and virtual platforms, announces the availability of models and virtual platforms for the Arm Cortex-A32, Cortex-A35, Cortex-A55, Cortex-A73, Cortex-A75 processors, including ARMv8.1 and ARMv8.2 support.

This extends the Imperas Open Virtual Platforms™ (OVP™) processor model library to over 180 models across a spectrum of IP vendors.  Over 50 Arm cores are supported, including Cortex- A, Cortex-R and Cortex-M families.

The comprehensive Imperas virtual platform environment for embedded software development, debug and verification for Arm cores includes Fast Processor Models and Extendable Platform Kits™ (EPKs™), with high-performance simulation, software debug, verification, analysis, and profiling (VAP) tools, and OS (Linux) booting on the virtual platforms.

EPKs are virtual platforms (simulation models) of the target devices, including processor and peripheral models sufficient to boot an operating system. EPKs for bare metal and booting Linux are available for the new Arm models. EPK platforms are open source, so users can easily extend and customize the functionality, add new models, and modify existing models.

The Fast Processor Models for Arm cores work with Imperas and OVP simulators, delivering exceptional performance of hundreds of millions of instructions per second.
These models support Arm DynamiQ architectures (heterogeneous within ARM Cortex-A, and the successor of the Arm big.LITTLE architecture).

“With these new models of Arm processors, and our advanced virtual platform based software development solutions, users can accelerate embedded software debug, verification, analysis, profiling, and test for the latest SoCs and Arm based systems,” said Simon Davidmann, president and CEO of Imperas. 

The Imperas advanced software development solutions for multicore software development, verification, analysis, profiling and debug support the Arm models. Solutions span analytical tools for hardware-dependent software development, with OS- and CPU-aware debug, tracing, profiling, code coverage, memory analysis, and innovative 3-dimensional (temporal, spatial and abstraction) debug capabilities.

The models of the Arm processors, together with other OVP models, the OVP APIs and the OVPsim simulator, enable the building and customization of virtual platforms for custom SoC subsystems, full SoCs, and larger systems. These virtual platforms enable pre-silicon software development, accelerating software schedules, and enable more comprehensive testing, resulting in higher quality software.

For the latest list of Arm processor support, please see

About Imperas

For more information about Imperas, please see Follow Imperas on twitter @ImperasSoftware, on LinkedIn and visit YouTube.

All trademarks or registered trademarks are the property of Imperas Software Limited or their respective holders.

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Imperas Virtual Platform Solutions at ARM TechCon 2017

Imperas Accelerates Software Development, Debug and Test for ARM-Based Embedded Systems; Participates in Software Security Panel

ARM Techcon

Oxford, United Kingdom, October 10th, 2017 - Imperas Software Ltd., the leader in high-performance software simulation and virtual platforms, will exhibit at the 2017 ARM TechCon and also participate in an embedded software panel discussion focused on security: “Hypervisors:  A Real Trend in Embedded, or Just Hype?”

Imperas invites attendees to register for a demonstration of Imperas embedded software development, debug and test solutions for ARM-based systems.

Demo Highlights:

  • Solutions for custom/proprietary processor modeling, early software development and comprehensive software testing.  Use cases include porting and bring-up of operating systems and validation of secure software and architectures. See advanced software analysis with Imperas OS-aware verification, analysis and profiling (VAP) tools, code coverage capabilities, memory monitoring, and fault simulation.
  • Open Virtual Platforms (OVP) models and platforms for the full line of ARM processors, including Cortex-A, R and M families, ARM big.LITTLE architecture and multi-cluster ARMv8 architectures. See Linux booting on various Cortex-A platforms and RTOS booting on Cortex-M platforms.

Panel: Hypervisors:  A Real Trend in Embedded, or Just Hype?

  • Abstract: Security and functional safety are two key elements of embedded system development, and increasingly system architects are looking at solutions at the point where software touches the hardware.  Processor architecture changes such as hardware virtualization extensions and TrustZone, and software changes in hypervisors and real time operating systems (RTOSs) take advantage of these architectural features.  What are the real differences in these hardware and software technical innovations?  For processors, how do hardware virtualization extensions compare with TrustZone for use for security and safety?  For resource management, safety and security, how do new hypervisor offerings stack up to the established technology of RTOS?  Are hypervisors a real trend in embedded systems or just hype? 
  • Moderator: Brian Bailey of Semiconductor Engineering.
  • Participants:
    • Chris Turner, ARM, product marketing manager for Cortex-R family processors
    • Simon Davidmann, Imperas Software, founder and CEO
    • Cesare Garlati, prpl Foundation, chief security officer
    • Jack Greenbaum, Green Hills Software, director of engineering, advanced products.

When: Conference: October 24-26, 2017. Expo: October 25 and 26, 2017. Panel session Wednesday, October 25, 10:30am – 11:20am.

Where: Santa Clara Convention Center, Santa Clara, CA. Imperas booth is #421 in the exhibition area.

For more information, or to set up meetings with Imperas at ARM TechCon, please email

ARM TechCon 2017 provides high level keynotes, detailed technical presentations and ARM ecosystem exhibits, all aimed at advancing industry discussions of state of the art solutions to embedded systems issues.

About Imperas

For more information about Imperas, please see Follow us on twitter @ImperasSoftware, on LinkedIn and on YouTube.

All trademarks or registered trademarks are the property of Imperas Software Limited or their respective holders.

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Accelerating OS Bring-up And Software Debug across the Spectrum of Electronics Systems

Embedded Systems Engineering EECatalog

As software complexity is increasing exponentially, companies must adopt better ways to address problems, as eventually the existing methods will no longer be sufficient. And, one serious failure changes everything for your business and your career. One lesson to be learned from SoC design and verification:  A structured methodology makes execution predictable and reduces risk, benefits that argue for a more formalized approach within the embedded software development domain.

In the October issue of Embedded Systems Engineering, Imperas CEO, Simon Davidmann discusses the issues in porting operating systems to new SoC and hardware platforms and uses the case study of porting Linux to an Altera platform.

To read the article, click here.


RISC-V Paper by Imperas at 15th International System-on-Chip SoC Conference 2017

Imperas Presenting on Accelerated Software Development, Debug and Test for RISC-V Platforms

Soc Conference 2017

Oxford, United Kingdom, October 3rd, 2017 - Imperas Software Ltd., the leader in high-performance software simulation and virtual platforms, will participate in the 15th International System-on-Chip (SoC) Conference, with Larry Lapides presenting a paper: “RISC-V Models and Simulation Enable Early Software Bring Up“.

The 15th International System-on-Chip (SoC) Conference will be held October 18 – 19, 2017 at the University of California, Irvine (UCI) – Calit2.  The theme for this year’s conference is “Secure and Intelligent Silicon Systems for Emerging Applications.”

Paper: RISC-V Models and Simulation Enable Early Software Bring Up

  • As RISC-V processor cores start to be designed into new SoCs, software requirements need to be considered.  One of the issues with moving to RISC-V based SoCs is porting operating systems, drivers, firmware and applications from existing platforms.  Can this be easily accomplished?  Can it be accomplished, in the majority, before silicon is available?  Virtual platforms, or software simulation, can help accelerate this porting and bring up process.  Virtual platforms provide a near real time software simulation environment for executing the actual software binaries, plus have full debug, analysis and test tools. 
  • Now there are not only models of RISC-V processor cores – generic RISC-V, SiFive, Andes; 32 and 64 bit cores – but also models of platforms running operating systems.  These Extendable Platform Kits (EPKs) enable software engineers to quickly get started, months before any hardware, even FPGA prototypes, are available.  For example, there is an EPK available of a Microsemi platform, using a SiFive E31 RV32-based core, running FreeRTOS. 
  • Virtual platform environments also enable the use of debug, analysis and test tools, not only for RISC-V, but in the case of a heterogeneous platform, supporting the multiple processors on the platform.  Also, as Agile methods, including Continuous Integration Continuous Test (CICT) are adopted by embedded software teams, virtual platforms with their ease of automation enable this technology to be implemented.
  • This presentation will provide a summary of the RISC-V processor models available through the Open Virtual Platforms (OVP) website (, show a demo of the Imperas Microsemi E31/FreeRTOS EPK, and discuss the use of virtual platforms in accelerating migration to RISC-V based SoCs and improving software quality. 

When: Exhibit and workshops, October 18 – 19, 2017. Paper Wednesday October 18, 2:20 – 2:50PM.

Where: University of California, Irvine, 4100 Calit2 Bldg. #325, Irvine, CA 92697.

To set up meetings with Imperas, please email

For more information on the 15th International System-on-Chip (SoC) Conference, see

About Imperas

For more information about Imperas, please see Follow us on twitter @ImperasSoftware, on LinkedIn and on YouTube.

All trademarks or registered trademarks are the property of Imperas Software Limited or their respective holders.

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