SystemC Solutions

SystemC addresses the need for a system design and verification language that spans hardware and software. It is a language built in standard C++ by extending the language with a set of class libraries created for design and verification. Tessolve customers are applying SystemC for architectural exploration, performance modelling, functional verification, and high-level synthesis.

Tessolve SystemC Expertise

Tessolve has the following expertise and offers the following services:

Architectural Exploration and Performance Modeling

A leading smartphone manufacturer with a reputation for shipping some of the highest performance hardware in the industry was developing an Advanced Memory Subsystem (AMS) with enhanced memory performance for bandwidth hungry blocks. Tessolve was selected to develop a performance model of the memory subsystem and for exploration of the subsystems performance features.

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Verification of SystemC Designs Used in High-Level Synthesis

Blu Wireless develops mmWave wireless technology for advanced WiGig applications using SystemC to design their silicon IP. Tessolve was selected to provide a SystemC UVM environment for verification of the SystemC IP designs.

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Note that SystemC is defined by the Open SystemC Initiative (OSCI) and ratified as IEEE Std. 1666™-2011.

FREE SystemC UVM Libraries

Tessolve has made freely available the SystemC UVM it developed as part of the Blu Wireless project. The library closely mimics UVM but gives users a license free UVM-based verification environment.

Additional details on the libraries are Available Here.

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Contact one of our consultants today to discuss your requirements.
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ML Verification Turns Convention on its Head

The verification of processor architectures designed for Machine Learning (ML) applications represent a departure from conventional techniques. Conventional constrained random testbenches, which focus on stimulus driving coverage, cannot scale for many ML algorithm realizations. ML architectures involve neural networks of processors that “learn” by manipulating coefficients across the network to match ideal outputs to a large quantity of input data. Furthermore, smart compiler technology is employed to leverage the many paths available in the network. An effective verification strategy can leverage planning algorithms that start with the desired output and optimize input values to achieve that output. Ensuring the paths that the compiler might trigger have all been tested, and that the test content can scale from individual processors to the entire network are critical challenges. Breker will share various approaches to this problem, developed through cooperation with three noted AI processor providers.

3 Key Points:

Current verification methodologies cannot scale to meet ML processor challenges

ML verification approach: consider desired outputs, optimize inputs to match

Test Suite Synthesis enable planning algorithm approach to target ML requirements

AI chips must get the math right

Most AI chips and hardware accelerators that power machine learning (ML) and deep learning (DL) applications include floating-point units (FPUs). Algorithms used in neural networks are often based on operations that use multiplication and addition of floating-point values. FPUs are difficult to implement. The IEEE 754 standard defines many corner-case scenarios and non-ordinary values. Even a minor rounding mistake could accumulate over many iterations and produce a large error. An FPU formal verification app compliant with IEEE-754 provides an efficient and rigorous solutions to FPU functional verification

3 Key Points:

Floating-point unit (FPU) for AI chips

FPU Formal Verification App

Compliance with IEEE-754

An Emulation Strategy for Artificial Intelligence Designs

The emergence of Artificial Intelligence is the “next big thing” and presents a unique opportunity for disruptive semiconductor development. End applications could range from ADAS, to 3D facial recognition, to voice and image processing, or to intelligent search. The SoCs for AI applications whether targeted for training or inference will have their own unique characteristics, but present quite common verification challenges that we will present in this session.

Supporting designs as big as 15 billion gates, Mentor’s Veloce Strato has unique virtualization capabilities that enable highly accurate pre-silicon execution of AI benchmarking applications like MLPerf. The Veloce Power App enables analysis of peak and average. We will cover how Veloce Strato and its supporting solutions are the best tool to help address the verification challenges of SoCs targeted for AI applications.

3 Key Points:

Deterministic solution for AI chips verification

Full virtual solution for HW/SW verification

TERAOPS/Watt assessement prior silicon availability

Name: Mike Bartley

Designation: Senior Vice President – VLSI Design

Title: Introduction

Biography:

Mike Bartley has a PhD in Mathematics from Bristol University, an MSc in Software Engineering, an MBA from the Open University and over 25 years of experience in software testing and hardware verification. He has built and managed state-of-the-art test and verification teams in a number of companies who still use the methodologies he established. Since founding TVS in 2008 he has grown the company to over 100 employees worldwide. Dr Bartley is Chair of both the Bristol branch of the British Computer Society and the West of England Bristol Local Enterprise Partnership (LEP). He has had over 50 articles and presentations published on the subjects of hardware verification, software testing and outsourcing.

SystemC Solutions

Tessolve SystemC Expertise

FREE SystemC UVM Libraries

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ML Verification Turns Convention on its Head

AI chips must get the math right

An Emulation Strategy for Artificial Intelligence Designs

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