INTERNATIONAL JOURNA L OF ENGINEERING SCI ENCES & RESEARCH TECHNOLOGY Distributed Shared Virtual File System Explained using IVY System
Shilpa D. Ghode · 2013
The shared virtual memory provides a virtual addres s space that is shared among all processors in a lo osely memory multiprocessor system. Application programs can us e the shared virtual memory just as they do a traditional virtual memory, except, of co urse, that processes can run on different processor s in parallel. The shared virtual memory not only pages data bet ween physical memories and disks, as in a conventio n memory system, but it also pages data between the physical memories of the individual processors. The main difficulty in building a shared virtual me mory is solving the memory coherence problem A prototype implemented on a local area network of Apollo workstations. The experimental results of nontrivial parallel programs run on the prototyp e show the viability of a shared virtual memory. Th e success of this implementation suggests an operating mode for such architectures in which parallel programs can exploi t the total processing power and memory capabilities in a far more unified way than the traditional message passing