I am in the process of moving to southern California from Texas. It will take me about a week or two to get settled. When I return to regular blogging, I will post an article on the memory bottleneck problem that threatens to derail multicore scalability. I am puzzled by Plurality's claim that they have solved the cache access contention problem. They advertise that the cores on their Hypercore processor can access a common cache simultaneously within a single clock cycle. If true, it would be a breakthrough.
At any rate, when I get back to blogging, I will to talk about how, in a purely reactive software model like COSA, data memory access in general purpose applications is kept at an absolute minimum: data variables are normally read only when they change. This will help mitigate the memory problem. More to come.
Friday, December 12, 2008
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