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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%