Imperial College London > Talks@ee.imperial > CAS Talks > Application Specific Memory Access, Reuse and Reordering for SDRAM
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Application Specific Memory Access, Reuse and Reordering for SDRAMAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact George A Constantinides. The efficient use of bandwidth available on an external SDRAM interface is strongly dependent on the sequence of addresses requested. On-chip memory buffers can make possible data reuse and request reordering which together ensure bandwidth on an SDRAM interface is used efficiently. This paper outlines an automated procedure for generating an application-specific memory hierarchy which exploits reuse and reordering and quantifies the impact this has on memory bandwidth over a range of representative benchmarks. Considering a range of parameterized designs, we observe up to 50x reduction in the quantity of data fetched from external memory. This, combined with reordering of the transactions, allows up to 128x reduction in the memory access time of certain memory-intensive benchmarks. This talk is part of the CAS Talks series. This talk is included in these lists:
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