[mkgmap-dev] max-jobs patch

Sun Feb 4 14:14:43 GMT 2018

Hi Gerd,

Please find attached a patch that amends the default behaviour if the
--max-jobs option is not specified, to using a value equal to the number of
CPU cores, as suggested in a previous post. The documentation is also
amended to reflect the change. This halves the execution time of mkgmap for
building a map of Staffordshire on my 8-core PC when --max-jobs is not
specified (I didn't know about this option previously and was unaware the
performance could have been improved).

Cheers,
Mike
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