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Institute for Computing Systems Architecture

Computer Systems Colloquium

"Computing without Computers"

Ian Page, Embedded Solutions Ltd

3.30 pm, Thursday 20 January

Room 2511, James Clerk Maxwell Building

Abstract

Designing and building new computers is a costly, time-consuming and error-prone process, largely due to their complexity. These, together with other forces, have mitigated against the development of application-specific computers and have considerably assisted the rise of the general-purpose computer.

Field-Programmable Gate Arrays (FPGAs) and Hardware Compilation taken together are a new technological phenomenon which may prove able to alter, or even reverse, some of the economic pressures which have shaped today's computing systems. FPGAs allow us to build hardware in milliseconds under software control, and hardware compilation allows us to turn programs directly into hardware.

Taken together, they allow programs to be turned into application-specific circuits rather than machine code running on a standard processor. Applications implemented in this way can sometimes run much faster since there is no computer around to slow down the computation! Moreover these applications can be implemented by programmers thinking only about parallel, real-time programs rather than about hardware structures.

The highlight of the talk will be to show running examples of hardware systems generated by programmers which demonstrate many of the different advantages of designing and building systems this way.


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