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Date: Thu, 14 Mar 2013 16:46:56 +0100
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To: rene7705 <rene7705@gmail.com>
Cc: Nikita Nefedov <inefedor@gmail.com>, internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] feature request : easy shared memory
From: linepogl@gmail.com (Lazare Inepologlou)

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Hello,

2013/3/14 rene7705 <rene7705@gmail.com>

> great! :)
>
> this will do nicely. is there much overhead for storing and fetching thes=
e
> variables? (ideally I would like to get a pointer)
>
>
Unfortunately there is. Every object stored in APC has to be serialised
first and then unserialised on retrieval. You can improve performance by
using a binary serialiser (such as igBinary) instead of the default php one=
.




>
> On Thu, Mar 14, 2013 at 12:45 PM, Nikita Nefedov <inefedor@gmail.com>
> wrote:
>
> > On Thu, 14 Mar 2013 07:05:03 -0000, rene7705 <rene7705@gmail.com> wrote=
:
> >
> >  Hi.
> >>
> >> I'd like to build a replacement for SQL (yes, talk about an ambitious
> >> project! ;), because the constant transferal of data in and out of SQL
> >> from
> >> Javascript (where everything might as well be object-oriented and
> >> hierarchial) is a pain in the neck.
> >>
> >> But in order to do so, I'd very much like PHP (the server still contro=
ls
> >> the data after all) to support shared memory efficiently.
> >>
> >> Something like
> >>
> >> sharedmem $bigNestedArray; // $bigNestedArray would be shared accross
> the
> >> entire server and all CPUs on it.
> >>
> >> as you now have
> >>
> >> global $bigNestedArray;
> >>
> >> would be ideal.
> >>
> >> I bet this would be useful for a host of other applications as well, a=
nd
> >> fairly easy to implement.
> >>
> >> I'm an application programmer by trade, or I would hack this in myself=
.
> >>
> >> I'd much rather see the PHP development team develop this in properly.=
 I
> >> don't think it would require much time, as OS-level shared memory has
> been
> >> easy to implement since the 1990s.
> >>
> >> Please put this on the agenda, and get back to us in this thread as to
> >> when
> >> this will be available.
> >>
> >
> > Hi,
> >
> > You can already do it using APC's apc_store() and apc_fetch() functions
> > which let you use shared memory. But of course you should 'commit' ever=
y
> > change of the fetched variable.
> >
>


Lazare INEPOLOGLOU
Ing=C3=A9nieur Logiciel

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