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FYI: openmpi-1.4.1 is in the package repo for NetBSD 5.1. So, you might
not need to build from scratch at all, depending on your desired use.
When available (remember that unlike Linux /proc might not be mounted by
default) the /proc/cpuinfo and /proc/meminfo on NetBSD 5.1 are (nearly?)
identical to the Linux ones. See below for an example.
To "prefetch" the next logical question:
On a FreeBSD 8.1 system I find that /proc exists but does not contain
cpuinfo or meminfo
On a OpenBSD 4.8 system I find that there is no /proc
-bash-4.1$ uname -a
NetBSD netbsd5-amd64.xen 5.1 NetBSD 5.1 (XEN3_DOMU) #0: Sat Nov 6
13:17:16 UTC 2010
-bash-4.1$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 7
model name : Intel(R) Xeon(R) CPU E5410 @ 2.33GHz
stepping : 6
cpu MHz : 2333.42
fdiv_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : no
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
mmxext fxsr_opt rdtscp lm 3dnow recovery longrun lrti cxmmx cyrix_arr
centaur_mcr constant_tsc pni monitor ds_cpi vmx est tm2 cx16
-bash-4.1$ cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 1031933952 796835840 235098112 0 542756864 555749376
Swap: 134213632 0 134213632
MemTotal: 1007748 kB
MemFree: 229588 kB
MemShared: 0 kB
Buffers: 530036 kB
Cached: 542724 kB
SwapTotal: 131068 kB
SwapFree: 131068 kB
On 3/24/2011 6:07 PM, Jeff Squyres wrote:
> Is the data the same in /proc between NetBSD and Linux?
> We're currently looking in /proc/cpuinfo and /proc/meminfo for some specific key / data pairs.
> On Mar 24, 2011, at 2:29 PM, Silas Silva wrote:
>> Hello there,
>> I'm using OpenMPI for educational reasons. It works pretty fine under
>> GNU/Linux. I have both compiled it and downloaded it from the package
>> management system with no problems.
>> But I have trying to use it in other Unix systems as well. In these
>> systems /proc (NetBSD for instance) is by default unmounted, so
>> ./configure script cannot stat /proc/cpuinfo (although it does exist in
>> NetBSD if you manually mount /proc). In the case it cannot stat
>> /proc/cpuinfo, it just silently ignores compilation of
>> Is this behaviour correct? Or it would be be a better idea that
>> configure script fail with a "please check /proc/cpuinfo or specify
>> --dont-build-sysinfo-linux"-like message?
>> Thank you very much.
>> Silas Silva
>> devel mailing list
Paul H. Hargrove PHHargrove_at_[hidden]
Future Technologies Group
HPC Research Department Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory Fax: +1-510-486-6900