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</o:shapelayout></xml><![endif]--></head><body lang=KO link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I use MPICH2 for Operating FDS. Because it works much faster when I use 4 CPU at once for FDS Simulation. Well, until yesterday.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I bought a computer with CPU named Sandy Bridge(Using windows XP), and When I operated FDS Simulation with 4 CPU at once, it suddenly failed.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I think maybe this is caused by CPU. Since other computer with windows XP and have Quad CPU works properly everytime.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>So my question is ¡°Can i5 Sandy Bridge cause a problem using MPICH2?¡±<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I¡¯ll be very happy if you solve my problem.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US> From. Sean<o:p></o:p></span></p></div></body></html>