A Soft Real-Time, Parallel GUI Service in Tessellation Many-Core OS

Provided by: University of California San Francisco
Topic: Hardware
Format: PDF
The authors discuss the design and implementation of a parallel GUI Service in Tessellation OS and investigate its capability to provide soft service-time guarantees to visual applications. Use of GPU bandwidth reservation permits their GUI service to miss only 0.1% of client deadlines under an overloaded scenario, while a more traditional windowing system misses over 50% of its deadlines. Further, the GUI Service's parallel architecture nicely exploits parallelism to reduce service times for client requests.

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