Linked by Thom Holwerda on Sat 3rd Feb 2018 14:15 UTC, submitted by Drumhellar
Mac OS X

When users attempt to launch a 32-bit app in 10.13.4, it will still launch, but it will do so with a warning message notifying the user that the app will eventually not be compatible with the operating system unless it is updated. This follows the same approach that Apple took with iOS, which completed its sunset of 32-bit app support with iOS 11 last fall.

This is good. I would prefer other companies, too, take a more aggressive approach towards deprecating outdated technology in consumer technology.

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The Myth of 64 bits
by softdrat on Sun 4th Feb 2018 05:00 UTC
softdrat
Member since:
2008-09-17

64 is twice 32, so it must be better. Right?

NOT!

Most of the apps that I run are written by .. me. All working fine in a 32 bit environment.

So what happens when you move to a 64 bit machine? Gah! Memory exhaustion. All those 32 bit pointers, which were largely innocous before, now become 64 bit pointers, for which almost half of the bits are zero. So if our app uses lots of pointers, like mine do, now the memory footprint has nearly doubled, all in order to store zeroes.

At least fore me, going to 64 bits means that nearly half your memery is wasted. YMMV

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