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中国超级计算机魔方在上海安家 {Engadget Simplified Chinese}

May 16th 2009 12:00PM 单精度在巨型机的应用领域意义不大，而ＧＰＵ双精度性能下降很厉害。再者ＧＰＵ的加速强烈依赖于手工编程，现在只有零星的将ＧＰＵ作为独立加速部件安装的。另外前段时间浪潮发布的桌面万亿次机就是依赖于ＧＰＵ加速。

中国超级计算机魔方在上海安家 {Engadget Simplified Chinese}

May 16th 2009 11:49AM 银河一仿制的对象不是西门子。
ＧＰＵ目前还只能对单精度性能强劲，双精度性能只有不到单精度1０%，科学计算已经在向128位发展（双精度64位），所以ＧＰＵ加速对于科学计算意义还不大。在11月同期Top500里面使用Nvida的Tesla的机器最高只到29位。

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