On Wed, Jul 15, 2009 at 8:39 PM, William Stein<wst...@gmail.com> wrote:
>
> On Tue, Jul 14, 2009 at 5:45 PM, Tim Lahey<tim.la...@gmail.com> wrote:
>>
>> It looks like the unladen-swallow Python branch
>> has been making good progress. They now can
>> pass their test suite of third party packages
>> (including NumPy and SymPy).
>>
>> http://code.google.com/p/unladen-swallow/wiki/Release2009Q2
>>
>> For those who don't know, it's an attempt to compile
>> Python down to LLVM to improve the Python speed.
>>
>> Cheers,
>
> Can somebody make an spkg of this? Could one build Sage on top of it
> (instead of Python-2.6.2?).
>
> I tried typing
>
> svn checkout
> http://unladen-swallow.googlecode.com/svn/branches/release-2009Q2-maint
> unladen-2009Q2
>
> and got
>
> teragon-2:unladen-2009Q2 wstein$ ls
> Demo Include Mac Modules PCbuild
> README Util install-sh
> Doc LICENSE Makefile.pre.in Objects Parser
> RISCOS configure pyconfig.h.in
> Grammar Lib Misc PC Python
> Tools configure.in setup.py
>
> teragon-2:... wstein$ more README
> This is Python version 2.6.1
> ============================
> ...
>
> So maybe it works just like Python at this point?
>
> (To make an spkg of this, just take the python-2.6.2.spkg from
> sage-4.1.tar, and replace src by the above unladen-2009Q2 directory,
> then try ty build all of Sage from scratch by typing "make".)
I couldn't resist testing this out. Here is a report.
PACKAGE CREATION:
As suggested, I
* extracted the python-2.6.2.spkg from sage-4.1;
* replaced src by the unladen-2009Q2 source;
* repackaged it and named it python-unladen-2009Q2.spkg;
* replaced python-2.6.2.spkg with with python-unladen-2009Q2.spkg
* compiled
After having a few build errors with this spkg, I think I tracked the
problem down to building unladen in parallel. I editted the spkg-install
script to avoid this. You can find the spkg here:
http://sage.math.washington.edu/home/saliola/sage-4.1+unladen-2009Q2/python-unladen-2009Q2.spkg
BUILD RESULTS:
* On sage.math: success!
* On my Ubuntu-8.10 64-bit Macbook: success!
* On a 64-bit Gentoo Linux machine: success!
DOCTEST RESULTS:
On all three systems mentioned above, 'make test' and 'make testlong'
returned doctest failures in the files:
devel/sage/sage/structure/sage_object.pyx
devel/sage/sage/misc/explain_pickle.py
All these errors are related to pickling. For sage_object.pyx,
len(dumps(2/3)) has changed. The output of the 21 doctests in
explain_pickle.py vary slightly from the expected output.
You can find the test logs here:
http://sage.math.washington.edu/home/saliola/sage-4.1+unladen-2009Q2/sage-4.1/
For those with access to sage.math, you can use the above test it out on a
few computations.
Take care,
Franco
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