Speed v Version
davehodg at gmail.com
Wed Jun 1 17:42:52 BST 2011
On 1 Jun 2011, at 17:26, Dominic Thoreau wrote:
> 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
> Physical machines? Pah!
> dominic at dominic-virtual-laptop:~$ uname -p
It's a Z80!
My BBC sandbox is sane at least:
$ uname -p
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