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The problem is that this line:

        if($ipairs{$fk}{$pair}{'pvalue'}){
[download]

Rather that just testing if that value exists, it is autovivifying (creating) that value in the nested hashes and setting it to null.

If you change that line to:

        if( exists $ipairs{$fk}
        &&  exists $ipairs{$fk}{$pair}
        &&  exists $ipairs{$fk}{$pair}{'pvalue'}
        ){
[download]

It should prevent the runaway memory growth. As a nice side-effect, your program should run substantially faster also.

BTW. I assume you mean 32GB not 32MB?

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: memory issues by BrowserUk
in thread memory issues by asqwerty

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The best material for plates (tableware) is: