[OpenIndiana-discuss] oracle removes 32bit x86 cpu support for solaris 11 will OI do same?

[Dustin Marquess]

The answer really is "it depends".

On x86-64, the big advantage to 64-bit performance-wise is the
additional CPU registers that it enables.  The downside is the
additional memory usage due to bigger pointer sizes.  From what I
understand, this increased size can have negative effects on CPU cache
hit rates.

-Dustin

On Fri, Jun 24, 2011 at 7:02 AM, Michael Stapleton
<michael.stapleton at techsologic.com> wrote:
> While we are talking about 32 | 64 bit processes;
> Which one is better?
> Faster?
> More efficient?
>
> Mike
>
>
> On Thu, 2011-06-23 at 13:59 +0100, Deano wrote:
>
>> Windows made the shift last server release (2008r2 is x64 only).
>>
>> So it's only the OSS server families which support 32bit, likely because
>> both BSD and Linux support lots of platforms outside of x86.
>>
>> Deano
>>
>> -----Original Message-----
>> From: Gary Driggs [mailto:gdriggs at gmail.com]
>> Sent: 23 June 2011 02:10
>> To: Discussion list for OpenIndiana
>> Subject: Re: [OpenIndiana-discuss] oracle removes 32bit x86 cpu support for
>> solaris 11 will OI do same?
>>
>> FWIW, Mac OS X Lion will only support x64 as well. IMHO, this is a good move
>> for modern operating systems since there are always going to be alternatives
>> for those still using i386 architecture. How long has Solaris/SPARC been
>> 64-bit? At least ten years if not more...
>>
>> -Gary
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