Re: MacOS plans to drop support for 32-bit applications

Nikita et al —

Apparently, all 64-bit permits more efficient parallel processing in multi-oore processors leading to faster overall performance in multitasking systems (or so I have read). In any case, Apple has made and announced the decision. If there isn’t a 64-bit version of Audacity in 10 months or so, then Audacity won’t be supported in MacOS 10.14.

- Murph

> On Nov 16, 2017, at 9:09 AM, Nikita Sadkov <[email protected]> wrote:
> 
> Why dropping 32-bit? 64-bit code is slower, due to higher memory
> requirement. An array of addresses now takes two times the memory
> bandwidth.
> 
> On 11/16/17, Murph Sewall <[email protected]> wrote:
>> Mac OS 10.12.6 Audacity 2.2.0
>> 
>> Apple has announced that it will cease supporting 32-bit apps when it
>> releases version 10.14 next year. I have been upgrading apps to 64-bit and
>> will soon install OS 10.13 (High Sierra). Evidently, there is not yet a
>> 64-bit version of Audacity for the MacOS. I assume that version 2.2.0 will
>> continue to function in Mac OS 10.13, although some apparently do not. Is a
>> 64-bit version in the works?

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