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Table 5 Achieved Improvements for the Carphone test-bench[26]

From: Acceleration of block-matching algorithms using a custom instruction-based paradigm on a Nios II microprocessor

Technique Microprocessor
Nios II/e Nios II/s Nios II/f
M B16 MB 32 MB 64 MB 16 MB 32 MB 64 MB 16 MB 32 MB 64
FST
 8 pixels 42.43% 41.76% 31.72% 19.12% 17.00% 15.67% 40.39% 35.83% 9.87%
 16 pixels 43.58% 42.87% 33.24% 21.02% 18.57% 17.74% 51.73% 49.03% 10.98%
 32 pixels 43.91% 43.17% 33.69% 21.44% 18.99% 18.48% 56.01% 53.73% 11.53%
2DLOG
 8 pixels 28.76% 28.53% 17.92% 6.79% 7.91% ~0.00% 0.92% 5.26% 1.75%
 16 pixels 31.65% 30.63% 20.22% 10.44% 7.84% 5.56% 0.88% 6.06% 3.17%
 32 pixels 31.05% 34.76% 26.27% 10.15% 9.36% 7.55% 5.13% 10.81% 4.94%
TSST
 8 pixels 30.51% 33.65% 27.02% 9.84% 8.94% 8.54% 8.47% 10.38% 5.39%
 16 pixels 30.99% 33.85% 25.61% 10.77% 10.11% 7.32% 6.72% 11.82% 5.39%
 32 pixels 30.92% 33.52% 25.43% 10.42% 10.22% 7.78% 9.24% 10.19% 5.88%