The Big Crunch: the Downside of Multicore

“Can you imagine getting a new PC and finding your software runs no faster than before? You probably can’t imagine it running slower. For some types of software however, that is exactly what is going to happen in the not too distant future. Faster processors running slower may sound bizarre but if you’re using certain types of data structures or code on large scale (8+) multicore processors it might actually happen. In fact it might already happen today if you were to run legacy software on one of today’s processors which feature a large number of cores.”

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