if ($Conf[7] =~ /NO/i) {
...
    elsif($Conf[7] =~ /YES/i) {

[download]

@Conf appears to be setup outside of this loop. Evaluate this once and save the result instead of parsing a regex every time through the loop.

    $attrID =~ s/\s*//g;
    $port =~ s/\s*//g;

[download]

I think replacing the '*' with '+' might help here.

    $val = join("", $val, $port);

[download]

How about $val .= $port? 

    push @Data, [@entry];

[download]

Since @entry is a lexical variable, you should be able to use \@entry instead of [@entry] which needs to make a copy of the list.

Unless I'm missing something, both blocks of code do the same thing. It might be better from a maintenance standpoint to check if either condition is true and only have the block once.

---
print map { my ($m)=1<<hex($_)&11?' ':'';
$m.=substr('AHJPacehklnorstu',hex($_),1) }
split //,'2fde0abe76c36c914586c';

[download]

In reply to Re: Performance revision needed by pfaut
in thread Performance revision needed by Anonymous Monk

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