On 10 Sep 2007 08:52:41 -0700, in bit.listserv.ibm-main you wrote: >In the real world, however, clock signals are an extremely effective >way of maintaining stability in a digital system, as the analog world >and human engineering flaws creep in. A few firms tried making >asynchronous designs, perhaps the best known were DECs PDP-6 and KA-10 >processors, but they learned that noise, uneven speeds of the logic >circuits, and race conditions make design very difficult - and >servicing a sick machine even worse.
Weren't Crays built with real race logic? But they have been superseded by technology that finds more value with stability. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
