同一个程序在XP和linux上的巨大差异,求助

我将同一个程序分别在XP和linux上面运行,结果却是天壤之别啊,还望多多帮助。。

XP下是模拟运行,linux是CentOS+GT 220.

显示XP的结果

[attach]662663[/attach]

接下来是Linux的结果

0–CPU&GPU:1633966464.000000&1633966464.000000–1920795264.000000&1920795264.000000–1785823488.000000&1785823488.000000–N=32
1–CPU&GPU:1006685824.000000&1006685824.000000–1423948800.000000&1423948800.000000–1929968384.000000&1929968384.000000–N=32
2–CPU&GPU:81278240.000000&81278240.000000–756556736.000000&756556736.000000–378809536.000000&378809536.000000–N=32
3–CPU&GPU:1766454656.000000&1766454656.000000–345105152.000000&345105152.000000–2058293120.000000&2058293120.000000–N=32
4–CPU&GPU:20434044.000000&20434044.000000–530921824.000000&530921824.000000–669986880.000000&669986880.000000–N=32
5–CPU&GPU:952920448.000000&952920448.000000–727227968.000000&727227968.000000–956462848.000000&956462848.000000–N=32
6–CPU&GPU:2067847424.000000&2067847424.000000–1474830976.000000&1474830976.000000–1958347264.000000&1958347264.000000–N=32
7–CPU&GPU:1577479296.000000&1577479296.000000–437094400.000000&437094400.000000–2084631168.000000&2084631168.000000–N=32
8–CPU&GPU:68544352.000000&68544352.000000–1783111552.000000&1783111552.000000–1102377216.000000&1102377216.000000–N=32
9–CPU&GPU:1959904384.000000&1959904384.000000–907128448.000000&907128448.000000–1380071424.000000&1380071424.000000–N=32
10–CPU&GPU:424960608.000000&424960608.000000–1733585024.000000&1733585024.000000–911740224.000000&911740224.000000–N=32

光是数据位数就很大差别啊。。这是为什么??

[ 本帖最后由 hnuzhoulin 于 2010-5-3 14:20 编辑 ]