! eof() is super slow - see test results

Blitz3D Forums/Blitz3D Programming/! eof() is super slow - see test results

GC-Martijn

(Posted 2005) [#1]

H!

I was testing something with getting the a ip from my website and have this test results

with eof() 23 seconds
with-out eof() 1 or less seconds !!!

the only thing is that you must know how many line's you need to read. (but I can use php for that)

code with eof()

www=OpenTCPStream("213.211.129.194",80)
If Not www RuntimeError "Failed to connect"
WriteLine www,"GET /get_ip.php HTTP/1.1"
WriteLine www,"Host: www.zquare.nl"
WriteLine www,"User-Agent: ZquareTest"
WriteLine www,"Accept: */*"
WriteLine www,""
While Not Eof(www)
Print ReadLine(www)
Wend
CloseTCPStream www

code with-out eof()

www=OpenTCPStream("213.211.129.194",80)
If Not www RuntimeError "Failed to connect"
WriteLine www,"GET /get_ip.php HTTP/1.1"
WriteLine www,"Host: www.zquare.nl"
WriteLine www,"User-Agent: ZquareTest"
WriteLine www,"Accept: */*"
WriteLine www,""
;or for loop etc.
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)

CloseTCPStream www

Perturbatio

(Posted 2005) [#2]

With EOF = 997ms

Start=MilliSecs()
www=OpenTCPStream("www.blitzbasic.com",80)
If Not www RuntimeError "Failed to connect"
WriteLine www,"GET http://www.blitzbasic.com HTTP/1.0"
WriteLine www,"Host: www.blitzbasic.com HTTP/1.0"
WriteLine www,"User-Agent: ZquareTest"
WriteLine www,"Accept: */*"
WriteLine www, Chr$(10)
While Not Eof(www)
Print ReadLine(www)
Wend
CloseTCPStream www

Print MilliSecs()-Start
WaitKey()

without EOF: 667ms

Start=MilliSecs()

www=OpenTCPStream("www.blitzbasic.com",80)
If Not www RuntimeError "Failed to connect"
WriteLine www,"GET http://www.blitzbasic.com HTTP/1.1"
WriteLine www,"Host: www.blitzbasic.com"
WriteLine www,"User-Agent: ZquareTest"
WriteLine www,"Accept: */*"
WriteLine www,""
;or for loop etc.
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)
Print ReadLine(www)

CloseTCPStream www

Print MilliSecs()-Start
WaitKey()

Hardly a major difference.

jfk EO-11110

(Posted 2005) [#3]

that's probably due to the way, the servers handle the time-close stuff individually, if you don't add it to the header (connection keep alive, time wait etc.) I guess you'll find some information about it in the HTTP RFC.

GC-Martijn

(Posted 2005) [#4]

@Perturbatio

If you want to test it do it right.
What you did is a bad request
You did : WriteLine www,"GET www.blitzbasic.com HTTP/1.1"

that's wrong.

------------------
This time my code above and with timers
and have this results:

with-out 282
with eof 10282

@ jfk
I will check that, right now.

edit:
You need to add this to make 10000 times faster
WriteLine www,"Connection: close"

jfk EO-11110

(Posted 2005) [#5]

ok, thanks. Now is this technical instinct? ;)

Zenith

(Posted 2005) [#6]

Yeah, it's all based on TCPTimeOuts, EOF is very fast. TCP Timing out if very slow default. :)