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https://ja.hideki.hclippr.com/2008/06/02/blender%e3%81%aeati%e9%80%9f%e5%ba%a6%e4%bd%8e%e4%b8%8b%e5%95%8f%e9%a1%8c%e3%81%8c%e8%a7%a3%e6%b1%ba%ef%bc%9f/
BlenderのATI速度低下問題が解決?