| Re: [eigen] FYI: C++ committee proposal to solve our alignment problems |
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On Mon, 9 Nov 2015, Benoit Jacob wrote:
This proposal looks like what we've been waiting for, regarding nondefault
alignment not being honored by operator new, and having to overload
operator new as a result:
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0035r0.html
Don't get your hopes up too soon. This is just one more iteration after
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3396.htm
The comments in the committee, while generally supportive, were summarized
as "Needs more work, a backwards-compatible solution to be explored". One
member in particular seemed convinced that it would break his old code...
On the other hand, if you have access to Intel's compiler, you can try the
feature described in the paper. Actually, please do, and please send
feedback to Intel about it, that's probably the best way you have of
helping this move forward.
--
Marc Glisse