[SciPy-user] Memory problems with stats.mannwhitneyu

Martin Blom vaftrudner@gmail....
Fri Jul 27 11:33:12 CDT 2007


I'm on an Ubuntu Feisty machine, and the python installation is the standard
one for feisty. Machine and python details:


~$ python
Python 2.5.1 (r251:54863, May  2 2007, 16:56:35)
[GCC 4.1.2 (Ubuntu 4.1.2-0ubuntu4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import scipy
>>> scipy.__version__
'0.5.2'
>>> import numpy
>>> numpy.__version__
'1.0.1'

~$ cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 4
model name      : Intel(R) Pentium(R) D CPU 3.20GHz
stepping        : 4
cpu MHz         : 3192.271
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
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 pbe nx lm
constant_tsc pni monitor ds_cpl est cid cx16 xtpr
bogomips        : 6389.70
clflush size    : 64

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 15
model           : 4
model name      : Intel(R) Pentium(R) D CPU 3.20GHz
stepping        : 4
cpu MHz         : 3192.271
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
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 pbe nx lm
constant_tsc pni monitor ds_cpl est cid cx16 xtpr
bogomips        : 6384.39
clflush size    : 64


2007/7/27, Steve Schmerler <elcorto@gmx.net>:
>
> Carlos Scheidegger wrote:
> >> Can you give us similarly-detailed information about the platform you
> are
> >> running on? If you used binary builds, also please let us know where
> you got
> >> them from, too. We have had problems in the past with numpy not freeing
> memory
> >> for array scalars, but I think that was before the 1.0 release.
> >
> > For whatever it's worth, I see the same issue here, running a plain
> Ubuntu
> > Feisty install on AMD64.
> >
> > $ python
> > Python 2.5.1 (r251:54863, May  2 2007, 16:27:44)
> > [GCC 4.1.2 (Ubuntu 4.1.2-0ubuntu4)] on linux2
> > Type "help", "copyright", "credits" or "license" for more information.
> >>>> import scipy
> >>>> scipy.__version__
> > '0.5.2'
> >>>> import numpy
> >>>> numpy.__version__
> > '1.0.1'
> >
> > $ cat /proc/cpuinfo
> > processor       : 0
> > vendor_id       : AuthenticAMD
> > cpu family      : 15
> > model           : 33
> > model name      : Dual Core AMD Opteron(tm) Processor 275
> > stepping        : 2
> > cpu MHz         : 2210.186
> > cache size      : 1024 KB
> > physical id     : 0
> > siblings        : 2
> > core id         : 0
> > cpu cores       : 2
> > fpu             : yes
> > fpu_exception   : yes
> > cpuid level     : 1
> > wp              : yes
> > flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca
> > cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt
> lm
> > 3dnowext 3dnow pni lahf_lm cmp_legacy
> > bogomips        : 4423.08
> > TLB size        : 1024 4K pages
> > clflush size    : 64
> > cache_alignment : 64
> > address sizes   : 40 bits physical, 48 bits virtual
> > power management: ts fid vid ttp
> >
>
> same here:
>
> Debian etch, python 2.4.4, numpy 1.0.1-8, scipy 0.5.2-0.1 from Debian's
> repos
>
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 31
> model name      : AMD Athlon(tm) 64 Processor 3000+
> stepping        : 0
> cpu MHz         : 1808.928
> cache size      : 512 KB
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt
> lm 3dnowext 3dnow up lahf_lm ts fid vid ttp
> bogomips        : 3621.70
>
> --
> cheers,
> steve
>
> Random number generation is the art of producing pure gibberish as
> quickly as possible.
> _______________________________________________
> SciPy-user mailing list
> SciPy-user@scipy.org
> http://projects.scipy.org/mailman/listinfo/scipy-user
>
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