CPU, ms   GPU, ms   SPEEDUP       DESCRIPTION

blur:
    8.86999   2.96774   x2.99         1024x768
    14.4667   4.8356    x2.99         1280x1024
    10.0785   3.43016   x2.94         1280x720
    22.8639   7.58654   x3.01         1920x1080

GaussianBlur:
    5.81303   4.31242   x1.35         1024x768
    9.8999    6.52386   x1.52         1280x1024
    6.85262   4.8868    x1.4          1280x720
    15.2619   9.88754   x1.54         1920x1080

filter2D:
    18.7671   15.014    x1.25         1024x768
    31.3294   24.4164   x1.28         1280x1024
    22.1994   17.5072   x1.27         1280x720
    49.9876   38.2612   x1.31         1920x1080

Laplacian:
    4.50649   6.57785   x0.685        1024x768
    7.76358   10.5467   x0.736        1280x1024
    5.32682   7.57511   x0.703        1280x720
    12.3031   16.2544   x0.757        1920x1080

gemm:
    [error: The library was build without CUBLAS] 512x512

remap:
    2.88156   1.13056   x2.55         1024x768
    4.71594   1.78914   x2.64         1280x1024
    2.84412   1.28777   x2.21         1280x720
    5.56124   2.83561   x1.96         1920x1080

meanShift:
    196.937   46.9484   x4.19         400x400
    793.05    161.716   x4.9          800x800

cvtColor:
    3.65011   0.456352  x8            1920x1080, GRAY -> BGRA
    2.72248   0.705928  x3.86         1920x1080, BGR -> YCrCb
    4.04162   0.707677  x5.71         1920x1080, YCrCb -> BGR
    4.27044   0.779402  x5.48         1920x1080, BGR -> XYZ
    11.1566   0.736017  x15.2         1920x1080, XYZ -> BGR
    7.03584   1.85631   x3.79         1920x1080, BGR -> HSV
    14.1671   2.65542   x5.34         1920x1080, HSV -> BGR
    5.10139   2.74534   x1.86         1920x1080, BGR -> Lab
    19.898    5.80358   x3.43         1920x1080, Lab -> BGR
    1.55204   1.97877   x0.784        1920x1080, Bayer -> BGR

resize:
    6.56783   1.03877   x6.32         1024x768, x2
    11.3427   1.68697   x6.72         1280x1024, x2
    6.46706   1.23179   x5.25         1280x720, x2
    15.6072   2.64878   x5.89         1920x1080, x2
    0.58044   0.165024  x3.52         1024x768, x0.5
    0.813806  0.231849  x3.51         1280x1024, x0.5
    0.542654  0.214472  x2.53         1280x720, x0.5
    1.14315   0.356171  x3.21         1920x1080, x0.5

warpAffine:
    2.67886   0.96845   x2.77         1024x768
    4.22496   1.54656   x2.73         1280x1024
    3.02361   1.09767   x2.75         1280x720
    7.02266   2.4041    x2.92         1920x1080

cornerHarris:
    21.3106   15.7424   x1.35         1024x768
    33.9838   24.0379   x1.41         1280x1024
    23.9946   17.7716   x1.35         1280x720
    54.7302   36.1657   x1.51         1920x1080

dft:
    29.8632   2.45296   x12.2         1024x768
    51.2741   4.67758   x11           1280x1024
    39.4976   4.08186   x9.68         1280x720
    102.32    9.13135   x11.2         1920x1080

convolve:
    67.3171   8.769     x7.68         1024x768
    111.132   12.4354   x8.94         1280x1024
    82.368    8.67756   x9.49         1280x720
    158.199   15.0769   x10.5         1920x1080

matchTemplate:
    104.918   5.75635   x18.2         1080x1920, templ 5x5
    113.697   18.5609   x6.13         1080x1920, templ 25x25
    209.487   19.1514   x10.9         1080x1920, templ 125x125

pyrDown:
    2.76657   0.979762  x2.82         1024x768
    4.55582   1.57501   x2.89         1280x1024
    3.24531   1.12811   x2.88         1280x720
    7.09532   2.4757    x2.87         1920x1080

pyrUp:
    30.5311   8.90778   x3.43         1024x768
    50.81     14.7651   x3.44         1280x1024
    35.7025   10.4002   x3.43         1280x720
    80.3269   23.3037   x3.45         1920x1080

bilateralFilter:
    19.0475   9.27841   x2.05         1024x768
    28.8613   15.0677   x1.92         1280x1024
    19.6327   10.6513   x1.84         1280x720
    43.4389   23.1496   x1.88         1920x1080

Canny:
    28.6094   13.0208   x2.2          1282x1110

HoughLines:
    26.178    6.55523   x3.99         1920x1080

HoughCircles:
    37.7873   15.5073   x2.44         1920x1080

norm:
    6.50916   0.791064  x8.23         1024x768
    10.9886   1.16741   x9.41         1280x1024
    7.64823   0.905939  x8.44         1280x720
    17.213    1.76558   x9.75         1920x1080

reduce:
    0.983728  0.315819  x3.11         1024x768, dim = 0
    1.12729   0.462649  x2.44         1024x768, dim = 1
    1.60965   0.423697  x3.8          1280x1024, dim = 0
    1.85106   0.654963  x2.83         1280x1024, dim = 1
    1.15295   0.353722  x3.26         1280x720, dim = 0
    1.31832   0.480959  x2.74         1280x720, dim = 1
    2.61822   0.645167  x4.06         1920x1080, dim = 0
    2.90698   0.809724  x3.59         1920x1080, dim = 1

equalizeHist:
    1.37407   1.82727   x0.752        1024x768
    2.32059   2.96366   x0.783        1280x1024
    1.60335   2.18881   x0.733        1280x720
    3.61466   4.21236   x0.858        1920x1080

average GPU speedup: x4.151

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