On 5 April 2011 15:10, Pauli Virtanen <p...@iki.fi> wrote: > Tue, 05 Apr 2011 12:55:36 +0000, Pauli Virtanen wrote: > [clip] >> # Assignment to non-private variables causes a compile-time >> # error; this avoids common mistakes, such as forgetting to >> # declare the reduction variable. >> alpha += 42 >> alpha123 = 9 >> ptr = 94 > > Actually, I'm not sure this is absolutely necessary -- life is tough, > especially if you are programming in parallel, and there are limits to > hand-holding. > > However, an explicit declaration could be added for turning the error off > for the (rare) cases where this makes sense (e.g. setting a shared flag) > > cdef cython.parallel.shared[double] some_flag
I think that unless we add support for critical, single or master sections, or the atomic construct, we should also disallow assigning to shared variables entirely. > -- > Pauli Virtanen > > _______________________________________________ > cython-devel mailing list > cython-devel@python.org > http://mail.python.org/mailman/listinfo/cython-devel > _______________________________________________ cython-devel mailing list cython-devel@python.org http://mail.python.org/mailman/listinfo/cython-devel
