IBM's new transactional memory: make-or-break time for multithreaded revolution
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At Hot Chips last week, IBM talked about BlueGene/Q, the processor powering the 20 petaflops Sequoia supercomputer. Designed for power-efficient floating point processing, the processor has one notable and highly unusual feature: support for transactional memory. Transactional memory could revolutionize multithreaded programming, but until now has depended on slow software implementations, making it little more than an experimental toy. BlueGene/Q's hardware version could tell us if this promising technique can deliver everything that's hoped for. »read more
More at: arstechnica.com Add additional source
Filed in: IBM