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Re^3: How smart is 'seek $fh, $pos, 0'?

by BrowserUk (Pope)
on May 27, 2015 at 14:35 UTC ( #1128005=note: print w/replies, xml ) Need Help??


in reply to Re^2: How smart is 'seek $fh, $pos, 0'?
in thread How smart is 'seek $fh, $pos, 0'?

As your relative seek backwards is faster than the absolute seek forwards, I'm guessing that the file you used fitted entirely in cache.


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Re^4: How smart is 'seek $fh, $pos, 0'?
by MidLifeXis (Monsignor) on May 27, 2015 at 15:40 UTC

    Given the hardware, that is entirely possible.

    Update: 20GB file (machine has 16 GB memory). END_POINT is the end of the loop on the calculations.

    Using END_POINT => 20971520 24.7622640132904 29.1878440380096 29.0354490280151 43.3434360027313

    --MidLifeXis

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