However, the files that all these threads will be writing data to are the same. - How can I expedite it ?

Maybe write the results to separate files, and merge the results when finished? Or maybe use separate dbm files, see merging dbm files

I'm not really a human, but I play one on earth.
Old Perl Programmer Haiku ................... flash japh

In reply to Re^3: how to split huge file reading into multiple threads by zentara
in thread how to split huge file reading into multiple threads by sagarika

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