>> Bear in mind that C, Java etc are compiled languages

AFAIK, C is compiled language, Java etc only "compile" to intermediate code, well, AFAIK (again) perl have optimizer that do like java, but no need create intermediate code file like java class

php and nodejs are not "compiled" language, but their loop process not slowing down

>> You haven't shown anything apart from perl taking a time linearly proportional the the number of times the loop is executed 

in my vps box:

$ time perl -e ''

real    0m0.003s
user    0m0.000s
sys 0m0.000s

$ time perl -e 'for($i=0;$i<=0;$i++){}'

real    0m0.003s
user    0m0.000s
sys 0m0.000s

$ time perl -e 'for($i=0;$i<=10;$i++){}'

real    0m0.004s
user    0m0.004s
sys 0m0.000s
$ time perl -e 'for($i=0;$i<=100;$i++){}'

real    0m0.004s
user    0m0.000s
sys 0m0.000s
$ time perl -e 'for($i=0;$i<=1000;$i++){}'

real    0m0.003s
user    0m0.000s
sys 0m0.000s
$ time perl -e 'for($i=0;$i<=10000;$i++){}'

real    0m0.005s
user    0m0.004s
sys 0m0.000s
$ time perl -e 'for($i=0;$i<=100000;$i++){}'

real    0m0.015s
user    0m0.012s
sys 0m0.000s
$ time perl -e 'for($i=0;$i<=1000000;$i++){}'

real    0m0.094s
user    0m0.088s
sys 0m0.004s
$ time perl -e 'for($i=0;$i<=10000000;$i++){}'

real    0m0.731s
user    0m0.724s
sys 0m0.004s
$ time perl -e 'for($i=0;$i<=100000000;$i++){}'

real    0m7.253s
user    0m7.256s
sys 0m0.000s
$ time perl -e 'for($i=0;$i<=1000000000;$i++){}'

real    1m13.921s
user    1m13.828s
sys 0m0.008s

[download]

I still think there limit number between $i=100000 and $i=1000000;

but where to set it ?

In reply to Re^4: perl process slower and slower when loop number increase by Anonymous Monk
in thread perl process slower and slower when loop number increase by Anonymous Monk

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