[osg-users] [osg-submissions] Matrixf multiply Optimization

[David Spilling]

MS uses _aligned_malloc (and _aligned_free), _declspec(align(16)).

I think gcc uses something like __attribute__((__aligned__(16))), but I'm
not sure whether that's OK for dynamic allocation.

Intel's MKL, and others, provide cross-platform aligned mallocs, so we might
be able to find something similar. Or just create a new Vec4f / Matrix4f
type with an overriden new operator.

David
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