RE: [GD-Windows] memory alignment vs passing by value

[Jon W. <hp...@mi...>]

> I measured the time of computing 100 million bilinear interpolation using
> dot products, and changing the dprod operation to accept a const reference
> instead of the const value makes the test run an order of magnitude
slower!!

Is this Evil Aliasing, Part II ? You could find out by disassembling
both versions and comparing. If it's re-loading through the reference
pointer all the time, then it's probably aliasing related. References
are really pointers, so they can introduce (false) aliasing hazards.

Cheers,

			/ h+