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In this paper, we propose a novel memory access reduction method to minimize the memory accesses due to weighting factors (cosine coefficients in the computation diagram of fast DCT pruning) and input points for implementing fast DCT pruning on DSP processors. The proposed method reduces the number of memory accesses in two steps: 1) Reduce the number of weighting factors and 2) Combine butterflies...
In this paper, we propose a novel memory access reduction method to minimize the memory accesses due to weighting factors (cosine coefficients in the computation diagram of vector-radix 2D FCT pruning) and input points for implementing vector-radix 2D FCT pruning on DSP processors. The proposed method reduces the number of memory accesses in two steps: 1) Reduce the number of weighting factors and...
In the embedded processor market, there are various types of DSP processors. Among them, 4 processors are widely used: Texas Instrument TMS320C64xx families, ARM processor families, analog devices TigerSHARCregprocessors, and free-scale SC3400 StarCore. However, the performances of these 4 DSP processors have never been compared together. This paper presents a comparative performance study for these...
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