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It's not just about hardware anymoreDonald Cramb, Director of the Consulting Services Division of EVE-USA The poor person tasked with designing and delivering a processor today has a tough job. Much tougher than his or her forebears of just a couple decades ago. In the hierarchy of systems, the processor has always played a central role. When making architectural decisions on a system, one of the first considerations is which processor to use. Once chosen and configured, a designer can go about implementing the agree-upon structure. The key question is, how do you know when you’re done? That’s where things have gotten tough. The basic expectations of what it means to have a working chip have changed dramatically with the advent of the system on a chip (SoC). And, to the chagrin of designers, those expectations have gone way up. The verification required to meet this higher standard has evolved to the point where, before silicon is delivered, software must be executed. This burns through so many clock cycles that the only way to prove with any confidence – and in a reasonable timeframe – that software works is through emulation.
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