NOMAD Funding Success

ACAG wins funding for advanced stack processor prototype


Early prototype of superscalar 
4-wide  stack operand issue structure, a key component of the NOMAD processor design.

NOMAD (Non-standard Operand Mechanism Architecture Demonstrator), a project collaboration between CYBULA Ltd and University of York has been awarded funding (details to follow). 

The work, led By Dr Chris Crispin-Bailey, will permit construction of the first fully superscalar stack machine demonstrator chip in 90nm CMOS silicon. The prototype chip is expected to demonstrate power and thermal density benefits over those of similarly specified register-file machines, and is hoped will provide a significant opportunity for commercial exploitation impact via partner Cybula Ltd.

The Nomadic operand concept was devised at The University of York, and permits stack based operand models of computation to achieve unrestricted superscalar operand issue without resorting to register-based operand structures. Many register-based circuits and related hardware create hot-spots and energy hungry drains on power. Being enable to eliminate these and use Nomadic operands instead would be expected to deliver significant thermal and power benefits which could be ideal for future embedded and/or multi-core systems.

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