Re: Alpha remembrance day
- From: Bill Todd <billtodd@xxxxxxxxxxxxx>
- Date: Sat, 02 Sep 2006 14:54:12 -0400
Glenn Everhart wrote:
....
Nowadays of course, with J.Q. Public working with ever larger pictures or sound files, the limitations of a 32 bit address space are obvious to a much larger population.
Are these actually good examples? Pictures indeed tend to want to be entirely resident in your process's virtual address space, but it's a pretty rare picture that requires gigabytes to fit in (if you're heavily into Photoshoping some can start to tax the limits, but I'm not sure that such people really qualify as being "John Q. Public"). Video has been too large to fit into a few GB for a long time, and is processed quite adequately piece-meal rather than in one bloated mmap segment (I'm not as familiar with sound-only applications, but I'd expect that long compositions might encounter the same kinds of problems and hence be processed as video is - since in both cases there's no need whatsoever to have the entire work resident at once).
While there have been a lot of legitimate applications for 64-bit hardware since the early '90s at the latest, including some lower-end ones more recently, I'm nut sure that any have been common *desktop* applications (even the vagaries of the NT/2K/XP 32-bit file cache don't really affect typical desktop users much).
- bill
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