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2012
IEEE

PARDIS: A programmable memory controller for the DDRx interfacing standards

7 years 9 months ago
PARDIS: A programmable memory controller for the DDRx interfacing standards
Modern memory controllers employ sophisticated address mapping, command scheduling, and power management optimizations to alleviate the adverse effects of DRAM timing and resource constraints on system performance. A promising way of improving the versatility and efficiency of these controllers is to make them programmable—a proven technique that has seen wide use in other control tasks ranging from DMA scheduling to NAND Flash and directory control. Unfortunately, the stringent latency and throughput requirements of modern DDRx devices have rendered such programmability largely impractical, confining DDRx controllers to fixed-function hardware. This paper presents the instruction set architecture (ISA) and hardware implementation of PARDIS, a programmable memory controller that can meet the performance requirements of a high-speed DDRx interface. The proposed controller is evaluated by mapping previously proposed DRAM scheduling, address mapping, refresh scheduling, and power ma...
Mahdi Nazm Bojnordi, Engin Ipek
Added 28 Sep 2012
Updated 28 Sep 2012
Type Journal
Year 2012
Where ISCA
Authors Mahdi Nazm Bojnordi, Engin Ipek
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