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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a 2x Quad core Intel Nehalem server, and /proc/cpuinfo shows the following processing element mapping (16 virtual processing elements I guess due to Intel’s Hyperthreading architecture):<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;border:none'><tr style='height:13.2pt'><td width=216 colspan=2 valign=top style='width:162.3pt;border:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>Physical ID 0<o:p></o:p></span></b></p></td><td width=216 colspan=2 valign=top style='width:162.3pt;border:solid windowtext 1.0pt;border-left:
none;pad
height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>Physical ID 1<o:p></o:p></span></b></p></td></tr><tr style='height:13.2pt'><td width=108 valign=top style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>Processor Id<o:p></o:p></span></b></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>Core Id<o:p></o:p></span></b></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid
windowte
id windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>Processor Id<o:p></o:p></span></b></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>Core Id<o:p></o:p></span></b></p></td></tr><tr style='height:13.2pt'><td width=108 valign=top style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>0<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-l
eft:none
owtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>0<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>4<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>0<o:p></o:p></span></p></td></tr><tr style='height:13.2pt'><td width=10
8 valign
;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>1<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>1<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>5<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt
;border-
;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>1<o:p></o:p></span></p></td></tr><tr style='height:13.2pt'><td width=108 valign=top style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>2<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>9<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;b
order-to
order-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>6<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>9<o:p></o:p></span></p></td></tr><tr style='height:13.2pt'><td width=108 valign=top style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>3<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;bor
der-top:
der-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>10<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>7<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>10<o:p></o:p></span></p></td></tr><tr style='heig
ht:13.2p
op style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>8<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>0<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>12<o:p></o:p></span></p></td><td width=108 valign=
top styl
op:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>0<o:p></o:p></span></p></td></tr><tr style='height:13.2pt'><td width=108 valign=top style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>9<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>1<o:p></o:p></span></p></td><td width=108 valign=to
p style=
:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>13<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>1<o:p></o:p></span></p></td></tr><tr style='height:13.2pt'><td width=108 valign=top style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>10<o:p></o:p></span></p></td><td width=108 valign=to
p style=
:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>9<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>14<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>9<o:p></o:p></span></p>
</td></t
t'><td width=108 valign=top style='width:81.15pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>11<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>10<o:p></o:p></span></p></td><td width=108 valign=top style='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>15<o:p></o:p></span></p
></td><t
yle='width:81.15pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:13.2pt'><p class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>10<o:p></o:p></span></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I would like to run 2 processes on the machine, and insure that each physical CPU runs one process. By default, does Hydra distribute the two processes over the physical CPU’s, or would it run the two processes on processor ID’s 0, and 1 (2 cores on same physical processor)? If that is true, how would I specify a user defined process/core binding in this situation to make sure that the processes are distributed across physical CPU’s? Would I use a binding such as “binding=user:0,4”?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p c
lass=Mso
</p><p class=MsoNormal>Mark<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Mark Beauharnois<o:p></o:p></p><p class=MsoNormal>Senior Programmer/Analyst<o:p></o:p></p><p class=MsoNormal>Atmospheric Sciences Research Center<o:p></o:p></p><p class=MsoNormal>State University of New York at Albany<o:p></o:p></p></div></body></html>