Thanks that was the problem!
You never stop to learn =)
Original-Nachricht
> Datum: Mon, 17 Jan 2011 18:22:17 +0100
> Von: Francesc Alted
> An: Discussion of Numerical Python
> Betreff: Re: [Numpy-discussion] Strange behaviour with for loops + numpy
> arr
A Monday 17 January 2011 17:02:43 Stefan Reiterer escrigué:
> Hi all!
>
> I made some "performance" tests with numpy to compare numpy on one
> cpu with mpi on 4 processesors, and something appears quite strange
> to me:
>
> I have the following code:
>
> N = 2**10*4
> K = 16000
>
> x = numpy.ra
Hi all!
I made some "performance" tests with numpy to compare numpy on one cpu with mpi
on 4 processesors, and something appears quite strange to me:
I have the following code:
N = 2**10*4
K = 16000
x = numpy.random.randn(N).astype(numpy.float32)
x *= 10**10
print "x:", x
t1 = time.time()
#do
