Re: [PHP] PHP compiler - HipHop performance

[ma...@behnke.biz]

> Norah Jones  hat am 26. April 2013 um 05:56 geschrieben:
> Hi,
>
> I have downloaded HipHop for my website, I am going through various web links
> which are suggesting that performance will improve 3-6 times. However I don't
> know the Stability of the HipHop.
>
> Please provide your inputs so that I can decide to use HipHop.

When I tried it I was amazed by the performance impact.

Just create yourself a PHP file that does 100.000 calculations and compare the
php execution vs. the native compiled one. That is awesome!

The drawback is, that hiphop does not support every php extension and that it
really takes some time to compile a really big framework.
If you have some code that you want to speed up and it can seperated from the
rest, then create a smaller module out of it and compile that.

Or think about creating own PECL extensions.

>
> Thanks,
> Norah Jones
>
>
>
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Re: [PHP] PHP compiler - HipHop performance

[Daniel Fenn]

On Fri, Apr 26, 2013 at 1:56 PM, Norah Jones  wrote:

> Hi,
>
> I have downloaded HipHop for my website, I am going through various web
> links which are suggesting that performance will improve 3-6 times. However
> I don't know the Stability of the HipHop.
>
> Please provide your inputs so that I can decide to use HipHop.
>
> Thanks,
> Norah Jones
>
>
>
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>
>


I looked into HipHop once, and I decided not to use it, I felt that there
are other ways of improving performance. Having said that, it really
depends on what your running IE wordpress, phpbb, mybb etc.

I rather install some cache plugin for wordpress and install something like
xcache but that just me though.

Re: [PHP] php compiler

[Manuel Lemos]

Hello,
on 03/15/2005 03:05 AM Warren Vail said the following:
I could be wrong, but I believe that all the Java apps out there are not
native binary machine code either?  unless you count the JRE (Java Runtime
Environment).  Seems to me that is the way things are today, with JRE's all
having "run time configuration".  I would prefer to PHP to Java any day.
Have you checked out the Road Send compiler?  http://www.roadsend.com/  I
don't believe it produces pure native binary either, but I could be wrong
here as well.
It generates a binary that depends only on runtime library provided by 
Roadsend, which according to them does not use absolutely any code from 
the Zend engine.

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Re: [PHP] php compiler

[Rasmus Lerdorf]

Jason Barnett wrote:
Jay Blanchard wrote:
[snip]
Sooo.. I'm assuming there's no stable project for compiling php code to
native binary machine code huh?  (I've done some searching)  Even
anything commercial? (I didn't care for Zend's optimizer so much.. still
has *RUN*time configuration)
[/snip]
http://www.priadoblender.com ?
It's a little messy on Windows, or at least it was for me.  On my
Win2000 box I have had a few issues:
- The gui controls are a little buggy
- Installation led to a lot of files being installed in locations not in
my control (some of the files even were put into root!)
I really like the idea, but I'm going to hold off on using pb until it's
a bit more stable.  Besides, most of my command line scripts aren't so
intensive that I really need to compile the code into native machine code.
In the end you are probably much better off learning a bit of C or C++ 
and writing your own PHP extensions than hoping that someone will make a 
compiler that will magically speed everything up.  PHP was designed 
specifically with this in mind.  The idea is to keep things that don't 
need native code performance in easy to modify interpreted files while 
performance-sensitive code is written in fast native code.

That is, if you have a script that queries a database and outputs some 
HTML, whether you send that SQL query and print the resulting strings 
from PHP or native code is not going to matter one bit.  Your bottleneck 
is going to be building the query, connecting to the database server, 
the database server chewing on the query and sending the results back 
over the wire and your application reading that socket and deciphering 
the results.  All those bits are written in C.  It would be crazy to try 
to implement the MySQL extension or MySQL itself in user-space PHP.  It 
could be done of course, but when you build something you identify the 
performance-critical bits of code and you write those bits natively.

We are at the point where most people don't need to write any C code to 
write fast PHP applications because other people have already written 
the native extensions you need.  But high-traffic sites or sites that 
need a lot of iterative logic should try profiling their code to see 
where the bottlenecks are and replace the critical bits with a native 
extension.  That is likely going to give you an order of magnitude 
better performance than any "PHP Compiler" ever will.  And it really 
isn't that hard to write a PHP extension.

-Rasmus
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Re: [PHP] php compiler

[Jason Barnett]

Jay Blanchard wrote:
> [snip]
> Sooo.. I'm assuming there's no stable project for compiling php code to
> native binary machine code huh?  (I've done some searching)  Even
> anything commercial? (I didn't care for Zend's optimizer so much.. still
>
> has *RUN*time configuration)
> [/snip]
>
> http://www.priadoblender.com ?

It's a little messy on Windows, or at least it was for me.  On my
Win2000 box I have had a few issues:

- The gui controls are a little buggy
- Installation led to a lot of files being installed in locations not in
my control (some of the files even were put into root!)

I really like the idea, but I'm going to hold off on using pb until it's
a bit more stable.  Besides, most of my command line scripts aren't so
intensive that I really need to compile the code into native machine code.

--
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RE: [PHP] php compiler

[Zac Barton]

You could try this Jay (I havent used it before, has anybody?)

http://www.roadsend.com/home/index.php?SMC=1

Zac

-Original Message-
From: Jay Blanchard [mailto:[EMAIL PROTECTED]
Sent: 15 March 2005 11:21
To: Davy Durham; php-general@lists.php.net
Subject: RE: [PHP] php compiler


[snip]
Sooo.. I'm assuming there's no stable project for compiling php code to 
native binary machine code huh?  (I've done some searching)  Even 
anything commercial? (I didn't care for Zend's optimizer so much.. still

has *RUN*time configuration)
[/snip]

http://www.priadoblender.com ?

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RE: [PHP] php compiler

[Jay Blanchard]

[snip]
Sooo.. I'm assuming there's no stable project for compiling php code to 
native binary machine code huh?  (I've done some searching)  Even 
anything commercial? (I didn't care for Zend's optimizer so much.. still

has *RUN*time configuration)
[/snip]

http://www.priadoblender.com ?

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RE: [PHP] php compiler

[Warren Vail]

I could be wrong, but I believe that all the Java apps out there are not
native binary machine code either?  unless you count the JRE (Java Runtime
Environment).  Seems to me that is the way things are today, with JRE's all
having "run time configuration".  I would prefer to PHP to Java any day.

Have you checked out the Road Send compiler?  http://www.roadsend.com/  I
don't believe it produces pure native binary either, but I could be wrong
here as well.

good luck,

Warren Vail

> -Original Message-
> From: Davy Durham [mailto:[EMAIL PROTECTED]
> Sent: Monday, March 14, 2005 9:22 PM
> To: php-general@lists.php.net
> Subject: [PHP] php compiler
>
>
> Sooo.. I'm assuming there's no stable project for compiling php code to
> native binary machine code huh?  (I've done some searching)  Even
> anything commercial? (I didn't care for Zend's optimizer so much.. still
> has *RUN*time configuration)
>
> Thanks,
>   Davy
>
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>
>
>

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Re: [PHP] php compiler

[Hodicska Gergely]

> I kind of hinted in my earlier what is going on but:
>   $a = 1 && $b = 0;
> Is first silently evaluated as:
>   $a = (1 && $b = 0);
thx your answer, just one more little thing...
> So the right expression is tested which happens to be ($b = 0).
...why ($b = 0) is on the right side, not only $b.
Felho
u.i. Is there any information, why PHP was implemented this way?
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Re: [PHP] php compiler

[Curt Zirzow]

* Thus wrote Hodicska Gergely:
> Hi!
> 
> > I think the precedence of left and right associative operands can't
> be > compared. The switch between associativities already separates the
> > expression (if it could be explained this way).
> 
> Yes, this behaviour confused me. This is not common in other programming
> languages:
> o  C : invalid lvalue in assignment
> o  Java  : required: variable
>found   : value
> o  JavaScript: invalid assignment left-hand side (Mozilla)
>syntax  error (Internet explorer)
> 
> But for me it isn't egxactly clear how the evaluation order was
> calculated (why doesn't the first = operator executed before &&). Does
> anybody know for example a flowchart, how it is implemented in PHP?

I kind of hinted in my earlier what is going on but:

  $a = 1 && $b = 0;

Is first silently evaluated as:

  $a = (1 && $b = 0);

Now we test the left and right expressions of &&.  The left
expression is true. So the right expression is tested which
happens to be ($b = 0).


Curt
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Re: [PHP] php compiler

[Hodicska Gergely]

Hi!
> I think the precedence of left and right associative operands can't
be > compared. The switch between associativities already separates the
> expression (if it could be explained this way).
Yes, this behaviour confused me. This is not common in other programming
languages:
o  C : invalid lvalue in assignment
o  Java  : required: variable
   found   : value
o  JavaScript: invalid assignment left-hand side (Mozilla)
   syntax  error (Internet explorer)
But for me it isn't egxactly clear how the evaluation order was
calculated (why doesn't the first = operator executed before &&). Does
anybody know for example a flowchart, how it is implemented in PHP?
Felho
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Re: [PHP] php compiler

[Curt Zirzow]

* Thus wrote Hodicska Gergely:
> If you see the output, it seems, that PHP evaluate first $b = 0, and 
> this is the problem.
> 
> > $a = 1 && $b = 0
> > PHP sees two expressions here:
> 
> After the precedence table the first thing should be evaluating 1 && $b, 
> so we get:
> $a = false = 0
> Which is not meaningful thing, and maybe this cause that the evaluating 
> of the statment is not in the right order.

&& takes precedence to the left operator's expression and compares
it to the right side, you really want;

$a = 1 && $b && $b = 0


In what ever case, your expression is rather unclear on what you
want to happen.  

if( 1 && $b ) {
  $a = 1;
  $b = 0;
)


Curt
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Re: [PHP] php compiler

[Klaus Reimer]

Hodicska Gergely wrote:
Oke, but && has a higher precedence. The "right " associativity has 
sense when all the operand has the same precedence.
I think the precedence of left and right associative operands can't be 
compared. The switch between associativities already separates the 
expression (if it could be explained this way). So you have to handle 
"left-evaluated" expressions and "right-evaluated" expressions 
separately. That's why "$b = 0" and "1 && $b" are evaluated separately.

The PHP manual gives a fine example: "Note:  Although ! has a higher 
precedence than =, PHP will still allow expressions similar to the 
following: if (!$a = foo()), in which case the output from foo() is put 
into $a."

And that's because "=" is "right" and "!" is "non-associative".
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Re: [PHP] php compiler

[Hodicska Gergely]

"=" has a "right " associativity. This is well explained on the page you 
Oke, but && has a higher precedence. The "right " associativity has 
sense when all the operand has the same precedence.

Felho
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Re: [PHP] php compiler

[Hodicska Gergely]

If you see the output, it seems, that PHP evaluate first $b = 0, and 
this is the problem.

> $a = 1 && $b = 0
> PHP sees two expressions here:
After the precedence table the first thing should be evaluating 1 && $b, 
so we get:
$a = false = 0
Which is not meaningful thing, and maybe this cause that the evaluating 
of the statment is not in the right order.

Felho
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Re: [PHP] php compiler

[Klaus Reimer]

Hodicska Gergely wrote:
$a = 1 && $b = 0
PHP sees two expressions here:
After the precedence table the first thing should be evaluating 1 && $b, 
so we get:
$a = false = 0
Which is not meaningful thing, and maybe this cause that the evaluating 
of the statment is not in the right order.
"=" has a "right " associativity. This is well explained on the page you 
think I have not read. See Example 15-1. "$b = 0" is evaluated first and 
the "1 && $b" is evaluated after that.

Everything else would make no sense. "(1 && $b) = 0" is not a valid 
expression and throws an error.

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Re: [PHP] php compiler

[Klaus Reimer]

Hodicska Gergely wrote:
 > It outputs this: false bool(false) int(0)
Yes, this the right output.
And this output is absolutely correct. Your condition gives new values 
to $a and $b because you use "=" and not "==". So you do this:
Maybe you never read this:
http://hu2.php.net/manual/en/language.operators.php#language.operators.precedence 
The result is not so obvious. There sould some internal behavior which 
cause this.
I don't see the problem. The behaviour of your code matches the
precendences in my opinion:
$a = 1 && $b = 0
PHP sees two expressions here:
$a = 1 && $b   (because && has higher priority than =)
and
$b = 0;
So the condition resolves to "1 && 0" while $a is set to false and $b is
set to 0;
So where is the problem?
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Re: [PHP] php compiler

[Hodicska Gergely]

> It outputs this: false bool(false) int(0)
Yes, this the right output.
> And this output is absolutely correct. Your condition gives new values
> to $a and $b because you use "=" and not "==". So you do this:
Maybe you never read this:
http://hu2.php.net/manual/en/language.operators.php#language.operators.precedence
The result is not so obvious. There sould some internal behavior which
cause this.
Felho
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Re: [PHP] php compiler

[Hodicska Gergely]

> Use == instead of = in the if condition.
Thx, I know the difference. The exapmle use willfuly =.
Felho
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Re: [PHP] php compiler

[Marek Kilimajer]

Marek Kilimajer wrote:
Mike wrote:
You're assigning values in your test.
Use == instead of = in the if condition.
hmm, but he should not get what he gets anyways:
$a = 1 - evaluates to true, continue
$b = 0 - evaluates to false, so the whole if() condition is false, jump 
to else and print:
ok, precedence :)
false
1
0
He gets:
true
false
0
I get (php-5.0.2):
false
false
0
Or am I missing something?
=M
-Original Message-
From: Hodicska Gergely [mailto:[EMAIL PROTECTED] Sent: 
Saturday, October 30, 2004 9:50 AM
To: [EMAIL PROTECTED]
Subject: [PHP] php compiler

Hi!
$a = 0;
$b = 1;
if ($a = 1 && $b = 0) {
echo 'true ';
var_dump($a);
var_dump($b);
} else {
echo 'false ';
var_dump($a);
var_dump($b);
}
Runing this we get: "true bool(false) int(0)"
After the precedence table the first step could be evaluating the &&, 
but not this is what happen.

Can someone exactly explain how PHP process the condition?
THX in advance,
Felho

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Re: [PHP] php compiler

[Marek Kilimajer]

Mike wrote:
You're assigning values in your test.
Use == instead of = in the if condition.
hmm, but he should not get what he gets anyways:
$a = 1 - evaluates to true, continue
$b = 0 - evaluates to false, so the whole if() condition is false, jump 
to else and print:

false
1
0
He gets:
true
false
0
I get (php-5.0.2):
false
false
0
Or am I missing something?
=M
-Original Message-
From: Hodicska Gergely [mailto:[EMAIL PROTECTED] 
Sent: Saturday, October 30, 2004 9:50 AM
To: [EMAIL PROTECTED]
Subject: [PHP] php compiler

Hi!
$a = 0;
$b = 1;
if ($a = 1 && $b = 0) {
echo 'true ';
var_dump($a);
var_dump($b);
} else {
echo 'false ';
var_dump($a);
var_dump($b);
}
Runing this we get: "true bool(false) int(0)"
After the precedence table the first step could be evaluating the &&, 
but not this is what happen.

Can someone exactly explain how PHP process the condition?
THX in advance,
Felho
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Re: [PHP] php compiler

[Klaus Reimer]

Hodicska Gergely wrote:
$a = 0;
$b = 1;
if ($a = 1 && $b = 0) {
echo 'true ';
var_dump($a);
var_dump($b);
} else {
echo 'false ';
var_dump($a);
var_dump($b);
}
Runing this we get: "true bool(false) int(0)"
Are you sure you posted the example correctly? It outputs this: false 
bool(false) int(0)

And this output is absolutely correct. Your condition gives new values 
to $a and $b because you use "=" and not "==". So you do this:

$b = 0;
$a = 1 && $b;
The condition checks the value of $a (which is false) and so you land in 
the else branch and that's why $b is int(0) and $a is bool(false)

I think you want this:
if ($a == 1 && $b == 0)
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RE: [PHP] php compiler

[Mike]

You're assigning values in your test.

Use == instead of = in the if condition.

=M

-Original Message-
From: Hodicska Gergely [mailto:[EMAIL PROTECTED] 
Sent: Saturday, October 30, 2004 9:50 AM
To: [EMAIL PROTECTED]
Subject: [PHP] php compiler

Hi!

$a = 0;
$b = 1;
if ($a = 1 && $b = 0) {
echo 'true ';
var_dump($a);
var_dump($b);
} else {
echo 'false ';
var_dump($a);
var_dump($b);
}

Runing this we get: "true bool(false) int(0)"

After the precedence table the first step could be evaluating the &&, 
but not this is what happen.

Can someone exactly explain how PHP process the condition?

THX in advance,
Felho

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RE: [PHP] PHP Compiler?

[Vail, Warren]

Try;

http://www.zend.com

Warren Vail


-Original Message-
From: Bill McCuistion [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, October 27, 2004 5:27 PM
To: [EMAIL PROTECTED]
Subject: [PHP] PHP Compiler?


Sorry if this is an old question:  

Where can I find information on any plans to create a compiler for PHP,
especially v5.x?

Barring that, is there a PHP syntax checker that would enforce some of the
types of things that a compiler would find?  

I remember from back in my MS-DOS days the very good Clipper compiler for
the dBase III language.  dBase III, not unlike PHP, was an interpretive
language, and along the way some bright folks figured out how to write a
true dBase language compiler, which then allowed for all sorts of nice
things to happen.  One of the nicest things for me was that the compiler
caught all sorts of "little" things before the same code in the interpreter
would find them at run-time.

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Re: [PHP] PHP Compiler?

[Robby Russell]

On Wed, 2004-10-27 at 19:26 -0500, Bill McCuistion wrote:
> Sorry if this is an old question:  
> 
> Where can I find information on any plans to create a compiler for PHP,
> especially v5.x?
> 
> Barring that, is there a PHP syntax checker that would enforce some of the
> types of things that a compiler would find?  
> 
> I remember from back in my MS-DOS days the very good Clipper compiler for
> the dBase III language.  dBase III, not unlike PHP, was an interpretive
> language, and along the way some bright folks figured out how to write a
> true dBase language compiler, which then allowed for all sorts of nice
> things to happen.  One of the nicest things for me was that the compiler
> caught all sorts of "little" things before the same code in the interpreter
> would find them at run-time.
> 

I believe that there are some commercial products that can do this for
you.

-Robby

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Re: [PHP] PHP compiler

[dmalcolm]

Jim Jagielski wrote:

> At 9:10 AM -0600 2/16/01, dmalcolm wrote:
> >Is there such a thing as a PHP compiler?  Linux based?  Windoze based?
> >
> >Thanks in advance.
> >
>
> Depends on what you mean by a compiler. If you mean a "package"
> that turns your PHP script into a 100% stand-alone binary executable
> then No, there isn't. If you mean a package that allows you
> to turn your text-based source into something that you can distribute
> and have people run, without giving out the source, then the Zend
> Encoder will fit the bill.
>
> Recall that it's the Zend Engine that (internally) does the
> compilation into an executable form in PHP 4, so to create a
> standalone binary, you would need the full PHP 4 and Zend Engine
> "binary" functionality in the final executable as well :)
> --
>Jim Jagielski<[EMAIL PROTECTED]>
>   CTO and PHP Evangelist, Zend Technologies - http://www.zend.com/
>[V: +1 410-420-0140 | F: +1 410-803-2258 | M: +1 443-324-8390]
> Visit the Zend Store at http://www.zend.com/store/
>
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I understand about the full PHP4 and Zend Engine functionality, although
that could be
arranged as a unix shared object or Microsoft DLL.
As I mentioned in another post though I really am trying to learn more about
the limitations
of PHP.

Thanks.

DMJim Jagielski wrote:

> At 9:10 AM -0600 2/16/01, dmalcolm wrote:
> >Is there such a thing as a PHP compiler?  Linux based?  Windoze based?
> >
> >Thanks in advance.
> >
>
> Depends on what you mean by a compiler. If you mean a "package"
> that turns your PHP script into a 100% stand-alone binary executable
> then No, there isn't. If you mean a package that allows you
> to turn your text-based source into something that you can distribute
> and have people run, without giving out the source, then the Zend
> Encoder will fit the bill.
>
> Recall that it's the Zend Engine that (internally) does the
> compilation into an executable form in PHP 4, so to create a
> standalone binary, you would need the full PHP 4 and Zend Engine
> "binary" functionality in the final executable as well :)
> --
>Jim Jagielski<[EMAIL PROTECTED]>
>   CTO and PHP Evangelist, Zend Technologies - http://www.zend.com/
>[V: +1 410-420-0140 | F: +1 410-803-2258 | M: +1 443-324-8390]
> Visit the Zend Store at http://www.zend.com/store/
>
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> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
> To contact the list administrators, e-mail: [EMAIL PROTECTED]






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Re: [PHP] PHP compiler

[dmalcolm]

Chris Lee wrote:

> Zend Technologies has an encoder, might be what your looking for, might not.
> why do you want to compile your code, you havent mentioned ?
>
> --
>
> Chris Lee
> Mediawaveonline.com
>
> em. [EMAIL PROTECTED]
>
> ph. 250.377.1095
> ph. 250.376.2690
> fx. 250.554.1120
>
> "dmalcolm" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> >
> > Is there such a thing as a PHP compiler?  Linux based?  Windoze based?
> >
> > Thanks in advance.
> >
> > DM
> >
> >
> >
> >
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> > PHP General Mailing List (http://www.php.net/)
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
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> >
>
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No special reason, really.  I asked the question to know more about PHP.  I also
thought maybe, just maybe it would
generate a small performance boost.  However, for what I need PHP as is,
performs just fine.

Thanks

DM



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Re: [PHP] PHP compiler

[Jim Jagielski]

At 9:10 AM -0600 2/16/01, dmalcolm wrote:
>Is there such a thing as a PHP compiler?  Linux based?  Windoze based?
>
>Thanks in advance.
>

Depends on what you mean by a compiler. If you mean a "package"
that turns your PHP script into a 100% stand-alone binary executable
then No, there isn't. If you mean a package that allows you
to turn your text-based source into something that you can distribute
and have people run, without giving out the source, then the Zend
Encoder will fit the bill.

Recall that it's the Zend Engine that (internally) does the
compilation into an executable form in PHP 4, so to create a
standalone binary, you would need the full PHP 4 and Zend Engine
"binary" functionality in the final executable as well :)
-- 
   Jim Jagielski<[EMAIL PROTECTED]>
  CTO and PHP Evangelist, Zend Technologies - http://www.zend.com/
   [V: +1 410-420-0140 | F: +1 410-803-2258 | M: +1 443-324-8390]
Visit the Zend Store at http://www.zend.com/store/

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Re: [PHP] PHP compiler

[Chris Lee]

Zend Technologies has an encoder, might be what your looking for, might not.
why do you want to compile your code, you havent mentioned ?


--


Chris Lee
Mediawaveonline.com

em. [EMAIL PROTECTED]

ph. 250.377.1095
ph. 250.376.2690
fx. 250.554.1120


"dmalcolm" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
> Is there such a thing as a PHP compiler?  Linux based?  Windoze based?
>
> Thanks in advance.
>
> DM
>
>
>
>
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> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
> To contact the list administrators, e-mail: [EMAIL PROTECTED]
>



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