Title :
Fast fourier transform algorithm optimization for Sandy Bridge processor architecture in respect to spaceborne SAR digital radiohologram processing
Author :
Lepekhina, T.A. ; Nikolaev, V.I. ; Semenov, M.A.
Author_Institution :
Sci. Production Centre SPURT, Zelenograd, Russia
Abstract :
FFT calculation is one of the most burdensome problems in large-sized digital radiohologram processing, the rate being limited by DRAM throughput and latency. The proposed algorithm improves efficiency of using Sandy Bridge processor cache memory due to memory access rate reduction.
Keywords :
DRAM chips; cache storage; fast Fourier transforms; holography; memory architecture; optimisation; spaceborne radar; synthetic aperture radar; DRAM latency; DRAM throughput; FFT calculation; Sandy Bridge processor architecture; Sandy Bridge processor cache memory; fast Fourier transform algorithm optimization; large-sized digital radiohologram processing; memory access rate reduction; spaceborne SAR digital radiohologram processing; Arrays; Bridges; Electronic mail; Optimization; Prefetching; Random access memory; Throughput;
Conference_Titel :
Microwave and Telecommunication Technology (CriMiCo), 2012 22nd International Crimean Conference
Conference_Location :
Sevastopol, Crimea
Print_ISBN :
978-1-4673-1199-1
