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EGGH98: SIGGRAPH/Eurographics Workshop on Graphics Hardware 1998
(The Eurographics Association, 1998) Wei, Bin; Clark, Douglas W.; Felten, Edward W.; Li, Kai; S. N. Spencer
A multiple-port, distributed frame buffer has been recently proposed to support parallel rendering on multicomputers. This paper describes an implementation of such a distributed frame buffer for the Intel Paragon routing network, and reports its performance results. We have conducted several experiments with the system we have developed. Our results indicate that placing a multipleport, distributed frame buffer directly on the host internal routing network can provide high throughput to eliminate the bottleneck of merging a final image from multiple processors to a frame buffer. This architectural approach can also effectively support image composition for sort-last. The synchronization algorithm we have developed requires only one-way communication and minimizes receive overhead for message passing to the frame buffer.