Re: Reading portions of large files

[Stefan Monnier <address@hidden>]

> think  we only  need 1  tag bit  in the  separate tag-bit  array.  Its
> function is  to indicate whether  the corresponding memory word  is an
> integer or not.  If not, then  the remaining tag bits are found in the
> word itself.  And integer arithmetic can certainly be faster!

Integer arithmetic performance is a complete non-issue in Emacs (and most
other tagged programming languages, as a matter of fact).


        Stefan