[SciPy-user] Memory problems with stats.mannwhitneyu

[Steve Schmerler]

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.