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Algorithmes de la morphologie mathématique pour - Pastel - HAL

Algorithmes de la morphologie mathématique pour - Pastel - HAL

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Jaromír BRAMBOR9.6. ESTIMATION DE LA COMPLEXITÉ ET DES PERFORMANCES POUR LES GPU32001280x1024x4x8bit30002800260024001024x1024x4x8bit2200200018001024x768x4x8bittemps (µs)1600140012001000800600640x480x4x8bit480x576x4x8bit512x512x4x8bit800x600x4x8bit768x576x4x8bit640x576x4x8bit400352x288x4x8bit320x240x4x8bit200256x256x4x8bit128x128x4x8bit00 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5Données transférées / Mo (1 Mo = 1048576 bytes)(a) NVidia GeForce 6800 Ultra, taux effectif = 8x20001280x1024x4x8bit180016001024x1024x4x8bit1400temps (µs)12001000800600400800x600x4x8bit768x576x4x8bit640x576x4x8bit640x480x4x8bit480x576x4x8bit512x512x4x8bit1024x768x4x8bit200352x288x4x8bit320x240x4x8bit256x256x4x8bit128x128x4x8bit00 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5Données transférées / Mo (1 Mo = 1048576 bytes)(b) NVidia Quadro FX 4500, taux effectif = 13xFIG. 9.2 : Temps du transfert estimé <strong>de</strong>puis GPP vers GPU, <strong>pour</strong> PCI Express (16x) et les textures fixed-point8 bit BGRA (basé sur les données officielles <strong>de</strong> NVidia NVi05 ). GPP = AMD Athlon 64 bit 3500+, 1 Go RAM185

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