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Posted to user@thrift.apache.org by Hassan Chen <se...@gmail.com> on 2013/04/17 10:06:59 UTC
Why TFramedTransport so much slow when transport big data?
Hi,
Now I'm using TNonblockingServer. But I found php is so slow than cpp.
The testing result:
server client data size time
cpp php 829K 2m23.110s
cpp php 446K 0m33.337s
cpp php 199K 0m4.305s
cpp cpp 829K 0m0.564s
The service and data struct is:
struct Book {
1: i32 book_id,
2: string book_name,
3: string book_author,
4: double book_price,
5: string book_publisher,
6: i32 age,
}
service BookOrder {
list<Book> order(1: string book);
}
Now I have some question:
1. Why php is so much slower than cpp
2. As the amount of data increases, the php's performance drastically
reduced
can anyone tell me?
Thanks.
--
Hassan Chen
Re: Why TFramedTransport so much slow when transport big data?
Posted by Hassan Chen <se...@gmail.com>.
I know the reason. Because I use thrift 0.5.0, this is a bug in 0.5.0
Thanks very much.
--Hassan Chen
On Wed, Apr 17, 2013 at 6:09 PM, Hassan Chen <se...@gmail.com> wrote:
> Hi, below is my source. But when I exceute it, the error happen:
> -------Thrift: Wed Apr 17 17:52:42 2013 TConnection:transition()
> Negative frame size 0, remote side not using TFramedTransport
>
> /////////////////////////////
> source code
> server cpp:
> int main(int argc, char **argv) {
> int port = 9060;
> shared_ptr<BookOrderHandler> handler(new BookOrderHandler(argv[1]));
> shared_ptr<TProcessor> processor(new BookOrderProcessor(handler));
>
> TNonblockingServer server(processor, port);
> server.serve();
> return 0;
> }
>
> client php:
> try{
>
> $socket = new TSocket('192.168.0.31', 9060);
> $transport = new TFramedTransport($socket);
> $protocol = new TBinaryProtocolAccelerated($transport);
> $client = new BookOrderClient($protocol);
>
> $transport->open();
>
> $result = $client->order("my book order");
> $transport->close();
> }catch (TException $tx) {
> print 'TException: '.$tx->getMessage()."/n";
> }
>
> Is it a bug? or TBinaryProtocolAccelerated doesn't support
> TFramedTransport?
>
>
> On Wed, Apr 17, 2013 at 6:05 PM, Hassan Chen <se...@gmail.com> wrote:
>
>> Hi,
>>
>>
>> On Wed, Apr 17, 2013 at 4:38 PM, Matthew Chambers <mchambers@wetafx.co.nz
>> > wrote:
>>
>>>
>>> What I do for python is generate C++ code and put cython bindings around
>>> it, much faster. (over10x) You could do the same thing for PHP by writing
>>> a PHP extension.
>>>
>>> Start here:
>>> http://www.php.net/manual/en/**internals2.php<http://www.php.net/manual/en/internals2.php>
>>>
>>> You could also try something like Swig which is like an auto bindings
>>> generator for many languages.
>>>
>>> -Matt
>>>
>>>
>>> On 17/04/13 20:33, Hassan Chen wrote:
>>>
>>>> Have any way to improve it ? Google tell me nothing.
>>>>
>>>>
>>>> On Wed, Apr 17, 2013 at 4:30 PM, Matthew Chambers <
>>>> mchambers@wetafx.co.nz>wrote:
>>>>
>>>> Yes, because PHP is an interpreted language.
>>>>>
>>>>>
>>>>> On 17/04/13 20:27, Hassan Chen wrote:
>>>>>
>>>>> o(╯□╰)o, about 17999 books. This only a test. In practical
>>>>>> applications, I
>>>>>> also transfer the array data like this but not books.
>>>>>> Buy I found when transfer large amounts of data one-time, php is very
>>>>>> slow.
>>>>>> Can you tell me why?
>>>>>>
>>>>>>
>>>>>> On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <
>>>>>> mchambers@wetafx.co.nz
>>>>>>
>>>>>>> wrote:
>>>>>>>
>>>>>> How much roughly would 829k worth of books cost? Are you preparing
>>>>>> for
>>>>>>
>>>>>>> people to order the entire amazon library through your interface?
>>>>>>>
>>>>>>>
>>>>>>> On 17/04/13 20:06, Hassan Chen wrote:
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>>> Now I'm using TNonblockingServer. But I found php is so slow than
>>>>>>>> cpp.
>>>>>>>>
>>>>>>>> The testing result:
>>>>>>>>
>>>>>>>> server client data size time
>>>>>>>> cpp php 829K 2m23.110s
>>>>>>>> cpp php 446K 0m33.337s
>>>>>>>> cpp php 199K 0m4.305s
>>>>>>>> cpp cpp 829K 0m0.564s
>>>>>>>>
>>>>>>>> The service and data struct is:
>>>>>>>> struct Book {
>>>>>>>> 1: i32 book_id,
>>>>>>>> 2: string book_name,
>>>>>>>> 3: string book_author,
>>>>>>>> 4: double book_price,
>>>>>>>> 5: string book_publisher,
>>>>>>>> 6: i32 age,
>>>>>>>> }
>>>>>>>>
>>>>>>>> service BookOrder {
>>>>>>>> list<Book> order(1: string book);
>>>>>>>> }
>>>>>>>>
>>>>>>>>
>>>>>>>> Now I have some question:
>>>>>>>> 1. Why php is so much slower than cpp
>>>>>>>> 2. As the amount of data increases, the php's performance
>>>>>>>> drastically
>>>>>>>> reduced
>>>>>>>>
>>>>>>>> can anyone tell me?
>>>>>>>>
>>>>>>>> Thanks.
>>>>>>>> --
>>>>>>>> Hassan Chen
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>
>>
>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Hassan Chen <se...@gmail.com>.
Hi, below is my source. But when I exceute it, the error happen:
-------Thrift: Wed Apr 17 17:52:42 2013 TConnection:transition() Negative
frame size 0, remote side not using TFramedTransport
/////////////////////////////
source code
server cpp:
int main(int argc, char **argv) {
int port = 9060;
shared_ptr<BookOrderHandler> handler(new BookOrderHandler(argv[1]));
shared_ptr<TProcessor> processor(new BookOrderProcessor(handler));
TNonblockingServer server(processor, port);
server.serve();
return 0;
}
client php:
try{
$socket = new TSocket('192.168.0.31', 9060);
$transport = new TFramedTransport($socket);
$protocol = new TBinaryProtocolAccelerated($transport);
$client = new BookOrderClient($protocol);
$transport->open();
$result = $client->order("my book order");
$transport->close();
}catch (TException $tx) {
print 'TException: '.$tx->getMessage()."/n";
}
Is it a bug? or TBinaryProtocolAccelerated doesn't support TFramedTransport?
On Wed, Apr 17, 2013 at 6:05 PM, Hassan Chen <se...@gmail.com> wrote:
> Hi,
>
>
> On Wed, Apr 17, 2013 at 4:38 PM, Matthew Chambers <mc...@wetafx.co.nz>wrote:
>
>>
>> What I do for python is generate C++ code and put cython bindings around
>> it, much faster. (over10x) You could do the same thing for PHP by writing
>> a PHP extension.
>>
>> Start here:
>> http://www.php.net/manual/en/**internals2.php<http://www.php.net/manual/en/internals2.php>
>>
>> You could also try something like Swig which is like an auto bindings
>> generator for many languages.
>>
>> -Matt
>>
>>
>> On 17/04/13 20:33, Hassan Chen wrote:
>>
>>> Have any way to improve it ? Google tell me nothing.
>>>
>>>
>>> On Wed, Apr 17, 2013 at 4:30 PM, Matthew Chambers <
>>> mchambers@wetafx.co.nz>wrote:
>>>
>>> Yes, because PHP is an interpreted language.
>>>>
>>>>
>>>> On 17/04/13 20:27, Hassan Chen wrote:
>>>>
>>>> o(╯□╰)o, about 17999 books. This only a test. In practical
>>>>> applications, I
>>>>> also transfer the array data like this but not books.
>>>>> Buy I found when transfer large amounts of data one-time, php is very
>>>>> slow.
>>>>> Can you tell me why?
>>>>>
>>>>>
>>>>> On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <
>>>>> mchambers@wetafx.co.nz
>>>>>
>>>>>> wrote:
>>>>>>
>>>>> How much roughly would 829k worth of books cost? Are you preparing
>>>>> for
>>>>>
>>>>>> people to order the entire amazon library through your interface?
>>>>>>
>>>>>>
>>>>>> On 17/04/13 20:06, Hassan Chen wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>>> Now I'm using TNonblockingServer. But I found php is so slow than
>>>>>>> cpp.
>>>>>>>
>>>>>>> The testing result:
>>>>>>>
>>>>>>> server client data size time
>>>>>>> cpp php 829K 2m23.110s
>>>>>>> cpp php 446K 0m33.337s
>>>>>>> cpp php 199K 0m4.305s
>>>>>>> cpp cpp 829K 0m0.564s
>>>>>>>
>>>>>>> The service and data struct is:
>>>>>>> struct Book {
>>>>>>> 1: i32 book_id,
>>>>>>> 2: string book_name,
>>>>>>> 3: string book_author,
>>>>>>> 4: double book_price,
>>>>>>> 5: string book_publisher,
>>>>>>> 6: i32 age,
>>>>>>> }
>>>>>>>
>>>>>>> service BookOrder {
>>>>>>> list<Book> order(1: string book);
>>>>>>> }
>>>>>>>
>>>>>>>
>>>>>>> Now I have some question:
>>>>>>> 1. Why php is so much slower than cpp
>>>>>>> 2. As the amount of data increases, the php's performance drastically
>>>>>>> reduced
>>>>>>>
>>>>>>> can anyone tell me?
>>>>>>>
>>>>>>> Thanks.
>>>>>>> --
>>>>>>> Hassan Chen
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>
>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Hassan Chen <se...@gmail.com>.
Hi,
On Wed, Apr 17, 2013 at 4:38 PM, Matthew Chambers <mc...@wetafx.co.nz>wrote:
>
> What I do for python is generate C++ code and put cython bindings around
> it, much faster. (over10x) You could do the same thing for PHP by writing
> a PHP extension.
>
> Start here:
> http://www.php.net/manual/en/**internals2.php<http://www.php.net/manual/en/internals2.php>
>
> You could also try something like Swig which is like an auto bindings
> generator for many languages.
>
> -Matt
>
>
> On 17/04/13 20:33, Hassan Chen wrote:
>
>> Have any way to improve it ? Google tell me nothing.
>>
>>
>> On Wed, Apr 17, 2013 at 4:30 PM, Matthew Chambers <mchambers@wetafx.co.nz
>> >wrote:
>>
>> Yes, because PHP is an interpreted language.
>>>
>>>
>>> On 17/04/13 20:27, Hassan Chen wrote:
>>>
>>> o(╯□╰)o, about 17999 books. This only a test. In practical
>>>> applications, I
>>>> also transfer the array data like this but not books.
>>>> Buy I found when transfer large amounts of data one-time, php is very
>>>> slow.
>>>> Can you tell me why?
>>>>
>>>>
>>>> On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <
>>>> mchambers@wetafx.co.nz
>>>>
>>>>> wrote:
>>>>>
>>>> How much roughly would 829k worth of books cost? Are you preparing
>>>> for
>>>>
>>>>> people to order the entire amazon library through your interface?
>>>>>
>>>>>
>>>>> On 17/04/13 20:06, Hassan Chen wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>>> Now I'm using TNonblockingServer. But I found php is so slow than
>>>>>> cpp.
>>>>>>
>>>>>> The testing result:
>>>>>>
>>>>>> server client data size time
>>>>>> cpp php 829K 2m23.110s
>>>>>> cpp php 446K 0m33.337s
>>>>>> cpp php 199K 0m4.305s
>>>>>> cpp cpp 829K 0m0.564s
>>>>>>
>>>>>> The service and data struct is:
>>>>>> struct Book {
>>>>>> 1: i32 book_id,
>>>>>> 2: string book_name,
>>>>>> 3: string book_author,
>>>>>> 4: double book_price,
>>>>>> 5: string book_publisher,
>>>>>> 6: i32 age,
>>>>>> }
>>>>>>
>>>>>> service BookOrder {
>>>>>> list<Book> order(1: string book);
>>>>>> }
>>>>>>
>>>>>>
>>>>>> Now I have some question:
>>>>>> 1. Why php is so much slower than cpp
>>>>>> 2. As the amount of data increases, the php's performance drastically
>>>>>> reduced
>>>>>>
>>>>>> can anyone tell me?
>>>>>>
>>>>>> Thanks.
>>>>>> --
>>>>>> Hassan Chen
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Matthew Chambers <mc...@wetafx.co.nz>.
What I do for python is generate C++ code and put cython bindings around
it, much faster. (over10x) You could do the same thing for PHP by
writing a PHP extension.
Start here:
http://www.php.net/manual/en/internals2.php
You could also try something like Swig which is like an auto bindings
generator for many languages.
-Matt
On 17/04/13 20:33, Hassan Chen wrote:
> Have any way to improve it ? Google tell me nothing.
>
>
> On Wed, Apr 17, 2013 at 4:30 PM, Matthew Chambers <mc...@wetafx.co.nz>wrote:
>
>> Yes, because PHP is an interpreted language.
>>
>>
>> On 17/04/13 20:27, Hassan Chen wrote:
>>
>>> o(╯□╰)o, about 17999 books. This only a test. In practical applications, I
>>> also transfer the array data like this but not books.
>>> Buy I found when transfer large amounts of data one-time, php is very
>>> slow.
>>> Can you tell me why?
>>>
>>>
>>> On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <mchambers@wetafx.co.nz
>>>> wrote:
>>> How much roughly would 829k worth of books cost? Are you preparing for
>>>> people to order the entire amazon library through your interface?
>>>>
>>>>
>>>> On 17/04/13 20:06, Hassan Chen wrote:
>>>>
>>>> Hi,
>>>>> Now I'm using TNonblockingServer. But I found php is so slow than cpp.
>>>>>
>>>>> The testing result:
>>>>>
>>>>> server client data size time
>>>>> cpp php 829K 2m23.110s
>>>>> cpp php 446K 0m33.337s
>>>>> cpp php 199K 0m4.305s
>>>>> cpp cpp 829K 0m0.564s
>>>>>
>>>>> The service and data struct is:
>>>>> struct Book {
>>>>> 1: i32 book_id,
>>>>> 2: string book_name,
>>>>> 3: string book_author,
>>>>> 4: double book_price,
>>>>> 5: string book_publisher,
>>>>> 6: i32 age,
>>>>> }
>>>>>
>>>>> service BookOrder {
>>>>> list<Book> order(1: string book);
>>>>> }
>>>>>
>>>>>
>>>>> Now I have some question:
>>>>> 1. Why php is so much slower than cpp
>>>>> 2. As the amount of data increases, the php's performance drastically
>>>>> reduced
>>>>>
>>>>> can anyone tell me?
>>>>>
>>>>> Thanks.
>>>>> --
>>>>> Hassan Chen
>>>>>
>>>>>
>>>>>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Hassan Chen <se...@gmail.com>.
But when I use TSimpleServer and TBufferedTransport, it very fast.
It only use 0m1.645s when transfer 829K data.
Can you tell me why Non-blocking way is so much slower than blocking way?
On Wed, Apr 17, 2013 at 4:33 PM, Hassan Chen <se...@gmail.com> wrote:
> Have any way to improve it ? Google tell me nothing.
>
>
> On Wed, Apr 17, 2013 at 4:30 PM, Matthew Chambers <mc...@wetafx.co.nz>wrote:
>
>>
>> Yes, because PHP is an interpreted language.
>>
>>
>> On 17/04/13 20:27, Hassan Chen wrote:
>>
>>> o(╯□╰)o, about 17999 books. This only a test. In practical applications,
>>> I
>>> also transfer the array data like this but not books.
>>> Buy I found when transfer large amounts of data one-time, php is very
>>> slow.
>>> Can you tell me why?
>>>
>>>
>>> On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <
>>> mchambers@wetafx.co.nz>wrote:
>>>
>>> How much roughly would 829k worth of books cost? Are you preparing for
>>>> people to order the entire amazon library through your interface?
>>>>
>>>>
>>>> On 17/04/13 20:06, Hassan Chen wrote:
>>>>
>>>> Hi,
>>>>> Now I'm using TNonblockingServer. But I found php is so slow than cpp.
>>>>>
>>>>> The testing result:
>>>>>
>>>>> server client data size time
>>>>> cpp php 829K 2m23.110s
>>>>> cpp php 446K 0m33.337s
>>>>> cpp php 199K 0m4.305s
>>>>> cpp cpp 829K 0m0.564s
>>>>>
>>>>> The service and data struct is:
>>>>> struct Book {
>>>>> 1: i32 book_id,
>>>>> 2: string book_name,
>>>>> 3: string book_author,
>>>>> 4: double book_price,
>>>>> 5: string book_publisher,
>>>>> 6: i32 age,
>>>>> }
>>>>>
>>>>> service BookOrder {
>>>>> list<Book> order(1: string book);
>>>>> }
>>>>>
>>>>>
>>>>> Now I have some question:
>>>>> 1. Why php is so much slower than cpp
>>>>> 2. As the amount of data increases, the php's performance drastically
>>>>> reduced
>>>>>
>>>>> can anyone tell me?
>>>>>
>>>>> Thanks.
>>>>> --
>>>>> Hassan Chen
>>>>>
>>>>>
>>>>>
>>
>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Hassan Chen <se...@gmail.com>.
Have any way to improve it ? Google tell me nothing.
On Wed, Apr 17, 2013 at 4:30 PM, Matthew Chambers <mc...@wetafx.co.nz>wrote:
>
> Yes, because PHP is an interpreted language.
>
>
> On 17/04/13 20:27, Hassan Chen wrote:
>
>> o(╯□╰)o, about 17999 books. This only a test. In practical applications, I
>> also transfer the array data like this but not books.
>> Buy I found when transfer large amounts of data one-time, php is very
>> slow.
>> Can you tell me why?
>>
>>
>> On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <mchambers@wetafx.co.nz
>> >wrote:
>>
>> How much roughly would 829k worth of books cost? Are you preparing for
>>> people to order the entire amazon library through your interface?
>>>
>>>
>>> On 17/04/13 20:06, Hassan Chen wrote:
>>>
>>> Hi,
>>>> Now I'm using TNonblockingServer. But I found php is so slow than cpp.
>>>>
>>>> The testing result:
>>>>
>>>> server client data size time
>>>> cpp php 829K 2m23.110s
>>>> cpp php 446K 0m33.337s
>>>> cpp php 199K 0m4.305s
>>>> cpp cpp 829K 0m0.564s
>>>>
>>>> The service and data struct is:
>>>> struct Book {
>>>> 1: i32 book_id,
>>>> 2: string book_name,
>>>> 3: string book_author,
>>>> 4: double book_price,
>>>> 5: string book_publisher,
>>>> 6: i32 age,
>>>> }
>>>>
>>>> service BookOrder {
>>>> list<Book> order(1: string book);
>>>> }
>>>>
>>>>
>>>> Now I have some question:
>>>> 1. Why php is so much slower than cpp
>>>> 2. As the amount of data increases, the php's performance drastically
>>>> reduced
>>>>
>>>> can anyone tell me?
>>>>
>>>> Thanks.
>>>> --
>>>> Hassan Chen
>>>>
>>>>
>>>>
>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Matthew Chambers <mc...@wetafx.co.nz>.
Yes, because PHP is an interpreted language.
On 17/04/13 20:27, Hassan Chen wrote:
> o(╯□╰)o, about 17999 books. This only a test. In practical applications, I
> also transfer the array data like this but not books.
> Buy I found when transfer large amounts of data one-time, php is very slow.
> Can you tell me why?
>
>
> On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <mc...@wetafx.co.nz>wrote:
>
>> How much roughly would 829k worth of books cost? Are you preparing for
>> people to order the entire amazon library through your interface?
>>
>>
>> On 17/04/13 20:06, Hassan Chen wrote:
>>
>>> Hi,
>>> Now I'm using TNonblockingServer. But I found php is so slow than cpp.
>>>
>>> The testing result:
>>>
>>> server client data size time
>>> cpp php 829K 2m23.110s
>>> cpp php 446K 0m33.337s
>>> cpp php 199K 0m4.305s
>>> cpp cpp 829K 0m0.564s
>>>
>>> The service and data struct is:
>>> struct Book {
>>> 1: i32 book_id,
>>> 2: string book_name,
>>> 3: string book_author,
>>> 4: double book_price,
>>> 5: string book_publisher,
>>> 6: i32 age,
>>> }
>>>
>>> service BookOrder {
>>> list<Book> order(1: string book);
>>> }
>>>
>>>
>>> Now I have some question:
>>> 1. Why php is so much slower than cpp
>>> 2. As the amount of data increases, the php's performance drastically
>>> reduced
>>>
>>> can anyone tell me?
>>>
>>> Thanks.
>>> --
>>> Hassan Chen
>>>
>>>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Hassan Chen <se...@gmail.com>.
o(╯□╰)o, about 17999 books. This only a test. In practical applications, I
also transfer the array data like this but not books.
Buy I found when transfer large amounts of data one-time, php is very slow.
Can you tell me why?
On Wed, Apr 17, 2013 at 4:20 PM, Matthew Chambers <mc...@wetafx.co.nz>wrote:
>
> How much roughly would 829k worth of books cost? Are you preparing for
> people to order the entire amazon library through your interface?
>
>
> On 17/04/13 20:06, Hassan Chen wrote:
>
>> Hi,
>> Now I'm using TNonblockingServer. But I found php is so slow than cpp.
>>
>> The testing result:
>>
>> server client data size time
>> cpp php 829K 2m23.110s
>> cpp php 446K 0m33.337s
>> cpp php 199K 0m4.305s
>> cpp cpp 829K 0m0.564s
>>
>> The service and data struct is:
>> struct Book {
>> 1: i32 book_id,
>> 2: string book_name,
>> 3: string book_author,
>> 4: double book_price,
>> 5: string book_publisher,
>> 6: i32 age,
>> }
>>
>> service BookOrder {
>> list<Book> order(1: string book);
>> }
>>
>>
>> Now I have some question:
>> 1. Why php is so much slower than cpp
>> 2. As the amount of data increases, the php's performance drastically
>> reduced
>>
>> can anyone tell me?
>>
>> Thanks.
>> --
>> Hassan Chen
>>
>>
>
Re: Why TFramedTransport so much slow when transport big data?
Posted by Matthew Chambers <mc...@wetafx.co.nz>.
How much roughly would 829k worth of books cost? Are you preparing for
people to order the entire amazon library through your interface?
On 17/04/13 20:06, Hassan Chen wrote:
> Hi,
> Now I'm using TNonblockingServer. But I found php is so slow than cpp.
>
> The testing result:
>
> server client data size time
> cpp php 829K 2m23.110s
> cpp php 446K 0m33.337s
> cpp php 199K 0m4.305s
> cpp cpp 829K 0m0.564s
>
> The service and data struct is:
> struct Book {
> 1: i32 book_id,
> 2: string book_name,
> 3: string book_author,
> 4: double book_price,
> 5: string book_publisher,
> 6: i32 age,
> }
>
> service BookOrder {
> list<Book> order(1: string book);
> }
>
>
> Now I have some question:
> 1. Why php is so much slower than cpp
> 2. As the amount of data increases, the php's performance drastically
> reduced
>
> can anyone tell me?
>
> Thanks.
> --
> Hassan Chen
>