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Mediaprocessors provide high performance by using both instruction- and data-level parallelism. Because of the increased computing power, transferring data between off- and on-chip memories without slowing down the core processor's performance is challenging. Two methods, data cache and direct memory access, address this problem in different ways.
Yongmin Kim, Ravi Managuli, Donglok Kim, "Data Cache and Direct Memory Access in Programming Mediaprocessors", IEEE Micro, vol. 21, no. , pp. 33-42, July/August 2001, doi:10.1109/40.946678
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