Speed v Version

[Dominic Thoreau]

On 1 June 2011 17:12, Dave Hodgkinson <davehodg at gmail.com> wrote:
>
> On 1 Jun 2011, at 14:13, Nicholas Clark wrote:
>
>> On Wed, Jun 01, 2011 at 02:00:14PM +0100, Dave Hodgkinson wrote:
>>>
>>> On 1 Jun 2011, at 11:57, Dave Lambley wrote:
>>>>
>>>> My former employer did some benchmarking of different versions of Perl, used inside mod_perl.  Perl 5.10.x proved faster than 5.8.x, and 64 bit was faster than 32.  This was for a CPU bound application though, which it sounds like your's is not.
>>
>> This was x86 vs x86_64? As I understand it, even though it can be on the same
>> chip, the latter CPU architecture has far more general purpose registers,
>> which permits compilers to generate better code...
>>
>
> Also note on my perfectly 64 bit macbook pro:
>
> $ uname -p
> i386

Physical machines? Pah!

dominic at dominic-virtual-laptop:~$ uname -p
unknown

Virtualisation FTW!
-- 
Nonnullus unus commodo reddo is mihi.
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