Re: 32 bit vista can't address more than 3.1-3.5 GB RAM

"Snit" <CSMA@xxxxxxxxxxxxxxxxxxxxx> wrote in message news:C397C86E.9F148%CSMA@xxxxxxxxxxxxxxxxxxxxxxxx
"Daniel Johnson" <danieljohnson2@xxxxxxxxxxx> stated in post
13n4li53ularqcd@xxxxxxxxxxxxxxxxxx on 12/26/07 6:25 AM:
Even this sounds like a lot of windows, but every panel and control uses one
of those handles, and actually the space is shared with other things too. The
upshot is that if you heavily use a program that isn't careful about this, you
can exhast those 10,000 handles- and then your program fails in weird and
mysterious ways.

I have a programmer friend who has not only hit this limit but also, on more
occasions, bemoaned the fact that the Windows windowing model is completely
whacked.

Well, that's overstating it. It's a nice clean model that has held up quite well over quite a long time. But there is a downside to treating window-handles as a shared resource- it means that one process can exhaust the supply for everyone. It helps to have a larger supply to start with.

[snip]
But Mathematica does not demonstrate that Carbon is 64-bit: rather it shows
that with sufficient sweat you can work around these problems. That is always
true.

Any reason to think it was a big problem for the makers of Mathematica?

I do not know how a big a problem it was for them. I'd imagine that it was actually not that hard, since Mathematica has the Command Line Nature, if you see what I mean.

I imagine that is why Mathematica did it, when other programs didn't bother. For most programs on the Mac, Tiger's 64-bit support was just too incomplete to use.

.

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