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Re: Regarding The Library And Variable Usage.
Why not? Unless you get actual gains by going with smaller data types, it isn't worthwhile.
You'd be surprised at the relative costs of things in modern processors. I'm not a PPC expert, but I did do a lot of assembly level optimization of on the ARM (THUMB2) platform. Using U8s instead of U32s can often be slower, as memory access is word aligned.
Don't optimize unless you have to and will actually benefit.
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