Re: PHP 64-bit binaries?

On Sun, Oct 16, 2011 at 10:46 PM, Lester Caine <[email protected]> wrote:

> Pierre Joye wrote:
>
>> hi,
>>
>> On Sun, Oct 16, 2011 at 12:24 AM, Lester Caine<[email protected]>
>>  wrote:
>>
>>> Keith Davis wrote:
>>>
>>>>
>>>>>  From everything that I've heard, there is not much benefit to a x64
>>>>>
>>>>
>>>> binary for PHP.
>>>>
>>>
>>> Running all 64bit including the database, I'm seeing a reasonable
>>> performance improvement over a pure 32 bit set-up on the same AMD 64bit
>>> hardware using 64bit vista order of 10 to 15% faster. It was also worth
>>> pointing out that the same hardware runs a good 50% faster again on a
>>> 64bit
>>> Linux OS. I think this shows that the OS is the problem rather than the
>>> 64bit software, but the Linux OS does seem to use the multiple cores more
>>> efficiently. I've not tested both with a 64 bit version of Windows7, the
>>> full 64bit setup installed and ran, so I've not bothered swapping to all
>>> 32bit.
>>>
>>
>> PHP is slower in 64bit than in 32bit modes. Databases (be oracle,
>> mysql or other) are another stories and many of them are faster.
>> However one does not have to run php in 64bit mode to talk to database
>> servers running in 64bit mode.
>>
>> That being said, the main issues are not only for php but many
>> libraries used by php. They did not support windows 64bit very well
>> and they have not been tested enough to be ran on production servers
>> safely (by all means).
>>
>
> I think that perhaps the thing that is different in all my testing is that
> eaccelerator is enabled. That is compiled 64bit as are all the other
> additional libraries I use, such as imagemagick and the firebird client. I
> need to produce a set of publishable performance figures on the machine that
> I've been testing on, but that would take some time as I am more than happy
> with the current all 64bit setup. Testing each bit as 32bit or 64bit would
> take some work, but I will endeavour just to switch the php section ... if I
> can get 32bit versions of all the libraries currently being used with it.
>
> Mixing 32bit and 64bit just seems totally wrong to me ... and I am not
> seeing any unexplainable problems with my current setup, which has been
> running since I first posted the 64bit links without even having to reboot
> windows. Something I still have to do on customer sites with the 32bit
> setups :(


did you checked your "Program Files (x86)" directory lately?
for windows it is common that there are apps without 64bit versions. :(

-- 
Ferenc Kovács
@Tyr43l - http://tyrael.hu