Re: Question: Combination of Access and Constraining

[Yuri <yuri@tsoft.com>]

> Yuri wrote:
> > And how efficient will be eventual comparison/argument
> > passing code resulting from such Null_Tp constant? Is it going to be
> > one-instruction comparison in ASM or much more?
>
> The answer is, a software engineer doesn't care. Until it is done in the
> most straightforward, readable, and understandable way, and measurement
> shows that the system does not meet its timing requirments, and analysis
> shows that the only way to meet those timing requirements is by dealing
> with these issues, it's not an issue. Since compilers are very good at
> dealing with these kinds of things, I doubt it will ever be an issue.
> Those who worry about such things with no evidence that they are
> problems are simply wasting the most expensive resource on the project.

I agree mostly, but there could be projects where performance is critical.

If rate of processing is low than performance is no issue. But if say you
process
real-time video higher-performance processor may make project
cost-inefficient.

Yuri.