Indeed. Of course, to have four men at the face requires the tunnel be 4 times as wide, and that slows forward progress somewhat. But, if you factor iin the reduction in the time you spend swapping people, there is a net gain. Done right it a 3x+ net gain.

And if you have a 4-wide tunnel and 8 shovels, although only 4 can dig, you save time swapping shovels. The next shift take the previous shift shovels while the current shift get straight to digging.

Hm. Did we just stretch an anology? :)

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"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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In reply to Re^3: ForkManager Running Real Slow by BrowserUk
in thread ForkManager Running Real Slow by zacc

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