Friday, January 3, 2014

FeedaMail: Comments for Sutter’s Mill

feedamail.com Comments for Sutter's Mill

Comment on GotW #7c: Minimizing Compile-Time Dependencies, Part 3 by Jussi Pakkanen

@roman, the difference in compile speeds between pimpl’d and non-pimpl’d code bases can be huge. Not 10%. Not even 50%. The difference can be an order of magnitude. I made a measurement of different code bases a while ago:

http://voices.canonical.com/jussi.pakkanen/2013/08/23/comparing-build-speeds-of-different-code-bases/

This speed increase alone has massive customer value: programmers can get stuff done faster so you can create better products faster, fix bugs faster and so on. Once you have experienced near-instantaneous incremental build times in C++ you never want to go back to spending minutes at a time watching scrolling text in a terminal.

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