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Algorithmes de la morphologie mathématique pour - Pastel - HAL

Algorithmes de la morphologie mathématique pour - Pastel - HAL

Algorithmes de la morphologie mathématique pour - Pastel - HAL

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<strong>Algorithmes</strong> <strong>de</strong> <strong>la</strong> <strong>morphologie</strong> <strong>mathématique</strong> <strong>pour</strong> les architectures orientées fluxJaromír BRAMBOR100000temps (µs)1000010001280x1024x4x8bit1024x1024x4x8bit1024x768x4x8bit800x600x4x8bit768x576x4x8bit640x576x4x8bit640x480x4x8bit480x576x4x8bit512x512x4x8bit128x128x4x8bit352x288x4x8bit320x240x4x8bit256x256x4x8bit1000.01 0.1 1 10Données transférées (Mo)(a) Échelle logarithmique26241280x1024x4x8bit22201024x1024x4x8bit18temps (ms)16141210864800x600x4x8bit768x576x4x8bit640x576x4x8bit640x480x4x8bit480x576x4x8bit512x512x4x8bit1024x768x4x8bit352x288x4x8bit2 320x240x4x8bit256x256x4x8bit128x128x4x8bit00 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5Données transférées / Mo (1 Mo = 1048576 bytes)(b) Échelle linéaireFIG. 9.1 : Temps du transfert, <strong>de</strong>puis GPU vers GPP, AGP (1x, débit théorique maximal 266 Mo/s). GPU =NVidia GeForce 6800 LE, GPP = Intel Pentium 4 @ 2.4 GHz 512 Mo RAM184

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