mg wrote: > I forget a last question, > > We currently advise a High Performance Platform for our customers > (Opteron cluster) where our applications are linked with GOTO blas library. > > I found in the Numpy distribution the file site.cfg, used to specify the > BLAS to used at the link time. (It could be an interesting feature for > us.) I noted some configuration variables have names depending on the > name of the chosen BLAS library. So, my question is: is GOTO is > supported or is it easy for us to add it? I wonder too if the string > "[atlas]" written in site.cfg is used or not ? > > thanks, > Mathieu. > There is a ticket concerning your inquiry.
http://projects.scipy.org/scipy/numpy/ticket/73 Nils > Travis Oliphant wrote: > >> mg wrote: >> >> >>> Hi all, >>> >>> I am doing a feseability study to migrate our Python based FEM >>> applications from Numarray to Numpy. >>> >>> First, I tried to install Numpy from Python-2.4 on linux-x86, >>> linux-86-64bit. So, all work fine. Great! Moreover, I change easily the >>> BLAS linked libraries. I tried with ATLAS and GOTO. Great again! >>> >>> Second, I try to do the same think on windows-x86 without success. So my >>> first question is: is Numpy-1.0b5 has been tested and is supported on >>> Windows? >>> >>> >>> >> Yes, it should work. Builds for windows were provided. But, perhaps >> there are configuration issues for your system that we are not handling >> correctly. >> >> >> >>> Third, I tried to install Numpy from Python-2.5, which is our standard >>> Python, on linux-x86... and the compilation stopped during the >>> compilation of core/src/multiarraymodule.c. So my second question is: is >>> there a workaround or is the porting to Python2.5 is yet schedule? >>> >>> >>> >> There was a problem with Python 2.5 and NumPy 1.0 that is fixed in SVN. >> Look for NumPy 1.0rc1 to come out soon. >> >> >>> My third question is: is the tool to migrate the numarray based Python >>> scripts (numpy.numarray.alter_code1) work fine? (I suppose yes...) >>> >>> >>> >> It needs more testing. It would be great if you could help us find and >> fix bugs in it. I don't have a lot of numarray code to test. >> >> >>> We have created a lot of bindings in order to pilote our generic-C++ >>> framework with Python scripts. So, about the Numpy API, is it widely >>> different than the Numarray API? (We will order the Numpy Guide too.) >>> >>> >>> >> It is more similar to the Numeric C-API. However, the numarray C-API is >> completely supported by including numpy/libnumarray.h so you should be >> able to convert your C code very easily. Any problems encountered >> should be noted and we'll get them fixed. >> >> >>> To not duplicate large numerical memory arrays, Numarray allows to >>> aliasing the memory of some bindings with arrays from Numarray, and we >>> have used this feature intensively. So, I wonder if it is currently >>> supported (or even scheduled)? >>> >>> >> I'm pretty sure the answer is yes (because the Numarray C-API is >> supported), though I'm not exactly sure what you mean. Do you mean that >> you have memory created in the C/C++ framework and then you have an >> array use that memory for it's data area? If that is what you mean, >> then the answer is definitely yes. >> >> >> -Travis >> >> >> >> ------------------------------------------------------------------------- >> Take Surveys. Earn Cash. Influence the Future of IT >> Join SourceForge.net's Techsay panel and you'll get the chance to share your >> opinions on IT & business topics through brief surveys -- and earn cash >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV >> _______________________________________________ >> Numpy-discussion mailing list >> Numpy-discussion@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/numpy-discussion >> >> >> > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys -- and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/numpy-discussion > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion
