On 07/07/2011 10:06 AM, Mark Wiebe wrote:
On Thu, Jul 7, 2011 at 9:56 AM, Bruce Southey <bsouthey@gmail.com <mailto:bsouthey@gmail.com>> wrote:
On Wed, Jul 6, 2011 at 1:56 PM, Christoph Gohlke <cgohlke@uci.edu <mailto:cgohlke@uci.edu>> wrote: > > > On 7/6/2011 10:57 AM, Russell E. Owen wrote: >> In article >> <CABL7CQhNnjkzK9XNrLVDArSdKNwRM4eV0mXdUrJSaXq73EbwcQ@mail.gmail.com <mailto:CABL7CQhNnjkzK9XNrLVDArSdKNwRM4eV0mXdUrJSaXq73EbwcQ@mail.gmail.com>>, >> Ralf Gommers<ralf.gommers@googlemail.com <mailto:ralf.gommers@googlemail.com>> wrote: >> >>> On Tue, Jul 5, 2011 at 11:41 PM, Russell E. Owen<rowen@uw.edu <mailto:rowen@uw.edu>> wrote: >>> >>>> In article<BANLkTi=LXiTcrv1LgMtP=p9nF8eMr8=+hw@mail.gmail.com <mailto:hw@mail.gmail.com>>, >>>> Ralf Gommers<ralf.gommers@googlemail.com <mailto:ralf.gommers@googlemail.com>> wrote: >>>> >>>>> https://sourceforge.net/projects/numpy/files/NumPy/1.6.1rc2/ >>>> >>>> Will there be a Mac binary for 32-bit pythons (one that is compatible >>>> with older versions of MacOS X)? At present I only see a 64-bit >>>> 10.6-only version. >>>> >>>> >>>> Yes there will be for the final release (10.4-10.6 compatible). I can't >>> create those on my own computer, so sometimes I don't make them for RCs. >> >> I'm glad they will be present for the final release. >> >> FYI: I built my own 1.6.1rc2 against Python 2.7.2 (the 32-bit Mac >> version from python.org <http://python.org>). I reproduced a memory error that I've been >> trying to narrow down. This is ticket 1896: >> <http://projects.scipy.org/numpy/ticket/1896> >> and the problem is also in 1.6.0. >> >> -- Russell >> > > > I can reproduce this error on Windows. It looks like a serious regression. > > Christoph > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org <mailto:NumPy-Discussion@scipy.org> > http://mail.scipy.org/mailman/listinfo/numpy-discussion > I do get this error in the code without tinker on the first loop.
I did notice that the original array (dataArr) is float64 but the second array (scaledArr) is only float32. The problem is removed by changing the dtype of scaledArr to float64. Thus, it would appear some memory allocation related error to squeeze a float64 result into a memory allocated for a float32 array.
Can you try it on your platform with the pull request I've made which hopefully fixes it? Here's the link:
https://github.com/numpy/numpy/pull/103
Thanks, Mark
I do not get the crash with Python2.7 on the users code. But I can not compile this branch under Python3.1 or Python3.2. The last error is below - I can look into this more if needed. Bruce creating build/temp.linux-x86_64-3.1/numpy/core/src/multiarray compile options: '-Inumpy/core/include -Ibuild/src.linux-x86_64-3.1/numpy/core/include/numpy -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/src/npysort -Inumpy/core/include -I/usr/include/python3.1 -Ibuild/src.linux-x86_64-3.1/numpy/core/src/multiarray -Ibuild/src.linux-x86_64-3.1/numpy/core/src/umath -c' gcc: numpy/core/src/multiarray/multiarraymodule_onefile.c In file included from numpy/core/src/multiarray/multiarraymodule_onefile.c:17:0: numpy/core/src/multiarray/arraytypes.c.src: In function ‘VOID_getitem’: numpy/core/src/multiarray/arraytypes.c.src:631:94: error: ‘NPY_WRITEABLE’ undeclared (first use in this function) numpy/core/src/multiarray/arraytypes.c.src:631:94: note: each undeclared identifier is reported only once for each function it appears in numpy/core/src/multiarray/arraytypes.c.src:633:35: warning: assignment from incompatible pointer type In file included from numpy/core/src/multiarray/multiarraymodule_onefile.c:28:0: numpy/core/src/multiarray/getset.c: In function ‘array_data_get’: numpy/core/src/multiarray/getset.c:284:5: warning: passing argument 1 of ‘PyMemoryView_FromObject’ from incompatible pointer type /usr/include/python3.1/memoryobject.h:54:12: note: expected ‘struct PyObject *’ but argument is of type ‘struct PyArrayObject *’ numpy/core/src/multiarray/multiarraymodule_onefile.c: At top level: numpy/core/src/multiarray/scalartypes.c.src:2231:1: warning: ‘gentype_getsegcount’ defined but not used numpy/core/src/multiarray/scalartypes.c.src:2249:1: warning: ‘gentype_getcharbuf’ defined but not used numpy/core/src/multiarray/mapping.c:75:1: warning: ‘_array_ass_item’ defined but not used numpy/core/src/multiarray/number.c:266:1: warning: ‘array_divide’ defined but not used numpy/core/src/multiarray/number.c:464:1: warning: ‘array_inplace_divide’ defined but not used numpy/core/src/multiarray/buffer.c:25:1: warning: ‘array_getsegcount’ defined but not used numpy/core/src/multiarray/buffer.c:58:1: warning: ‘array_getwritebuf’ defined but not used numpy/core/src/multiarray/buffer.c:71:1: warning: ‘array_getcharbuf’ defined but not used In file included from numpy/core/src/multiarray/multiarraymodule_onefile.c:17:0: numpy/core/src/multiarray/arraytypes.c.src: In function âVOID_getitemâ: numpy/core/src/multiarray/arraytypes.c.src:631:94: error: âNPY_WRITEABLEâ undeclared (first use in this function) numpy/core/src/multiarray/arraytypes.c.src:631:94: note: each undeclared identifier is reported only once for each function it appears in numpy/core/src/multiarray/arraytypes.c.src:633:35: warning: assignment from incompatible pointer type In file included from numpy/core/src/multiarray/multiarraymodule_onefile.c:28:0: numpy/core/src/multiarray/getset.c: In function âarray_data_getâ: numpy/core/src/multiarray/getset.c:284:5: warning: passing argument 1 of âPyMemoryView_FromObjectâ from incompatible pointer type /usr/include/python3.1/memoryobject.h:54:12: note: expected âstruct PyObject *â but argument is of type âstruct PyArrayObject *â numpy/core/src/multiarray/multiarraymodule_onefile.c: At top level: numpy/core/src/multiarray/scalartypes.c.src:2231:1: warning: âgentype_getsegcountâ defined but not used numpy/core/src/multiarray/scalartypes.c.src:2249:1: warning: âgentype_getcharbufâ defined but not used numpy/core/src/multiarray/mapping.c:75:1: warning: â_array_ass_itemâ defined but not used numpy/core/src/multiarray/number.c:266:1: warning: âarray_divideâ defined but not used numpy/core/src/multiarray/number.c:464:1: warning: âarray_inplace_divideâ defined but not used numpy/core/src/multiarray/buffer.c:25:1: warning: âarray_getsegcountâ defined but not used numpy/core/src/multiarray/buffer.c:58:1: warning: âarray_getwritebufâ defined but not used numpy/core/src/multiarray/buffer.c:71:1: warning: âarray_getcharbufâ defined but not used error: Command "gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -Inumpy/core/include -Ibuild/src.linux-x86_64-3.1/numpy/core/include/numpy -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/src/npysort -Inumpy/core/include -I/usr/include/python3.1 -Ibuild/src.linux-x86_64-3.1/numpy/core/src/multiarray -Ibuild/src.linux-x86_64-3.1/numpy/core/src/umath -c numpy/core/src/multiarray/multiarraymodule_onefile.c -o build/temp.linux-x86_64-3.1/numpy/core/src/multiarray/multiarraymodule_onefile.o" failed with exit status 1