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author gongo
date Mon, 24 Mar 2008 23:10:27 +0900
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children 30bf38a518e8
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1 \section{評価と考察}
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2 Cerium Rendering Engine を用いて、OSMesa と同様に立方体を回転させる。
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3 今回、\figref{fig-cerium} で示した Task に対する CPU の割り振りは
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4 \tabref{tab:hyoka1} とする。
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6 \begin{table}[b]
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7 \caption{Task の実行 CPU} \label{tab:hyoka1}
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8 \hbox to\hsize{\hfil
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9 \begin{tabular}{c|l} \hline \hline
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10 Task & CPU \\ \hline
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11 SceneGraph to PolygonPack & PPE \\ \hline
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12 Polygonpack to SpanPack & PPE \\ \hline
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13 Rendering & SPE \\ \hline
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14 \end{tabular}\hfil}
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15 \end{table}
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17 PPE/SPE に対するコンパイルの最適化及びその時の実行 FPS を
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18 \tabref{tab:hyoka2} に示す。描画領域は 640x88 である。
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20 \begin{table}[b]
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21 \caption{Cerium 実行速度 640x88} \label{tab:hyoka2}
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22 \hbox to\hsize{\hfil
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23 \begin{tabular}{cc|l} \hline \hline
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24 PPE & SPE & FPS \\ \hline
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25 最適化なし & 最適化なし & 263 FPS \\
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26 -O9 & 最適化なし & 317 FPS \\
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27 最適化なし & -O9 & 812 FPS \\
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28 -O9 & -O9 & 1610 FPS \\ \hline
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29 \end{tabular}\hfil}
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30 \end{table}
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32 \tabref{tab:hyoka2} より、SPE に対する最適化が非常に有効であるといえる。
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33 (続き有ります)