DEC Firefly
Shared memory, Asymmetric multiprocessing, Workstation
978-620-0-69682-3
6200696829
84
2012-02-21
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Firefly was a shared memory asymmetric multiprocessor workstation, developed by the Systems Research Center, a research organization within Digital Equipment Corporation. The first version built contained up to seven MicroVAX 78032 microprocessors. The cache from each of the microprocessors kept a consistent view of the same main memory using a cache coherency algorithm, the Firefly protocol. The second version of the Firefly used faster CVAX 78034 microprocessors. The Firefly was an asymmetric multiprocessor computer as only one of the microprocessors had access to a Q-Bus interface that implemented the I/O subsystem.
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