Linked by Hadrien Grasland on Fri 28th Jan 2011 20:37 UTC
OSNews, Generic OSes It's recently been a year since I started working on my pet OS project, and I often end up looking backwards at what I have done, wondering what made things difficult in the beginning. One of my conclusions is that while there's a lot of documentation on OS development from a technical point of view, more should be written about the project management aspect of it. Namely, how to go from a blurry "I want to code an OS" vision to either a precise vision of what you want to achieve, or the decision to stop following this path before you hit a wall. This article series aims at putting those interested in hobby OS development on the right track, while keeping this aspect of things in mind.
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RE[8]: Machine language or C
by jal_ on Mon 31st Jan 2011 10:12 UTC in reply to "RE[7]: Machine language or C"
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Quite surprising. What could the reason be then, why does an open-source compiler fare so poorly against a commercial one?

1) Because GCC is *old* in terms of computer software. It has decades of cruft to take along for the ride.
2) GCC is portable. It's optimizations can only take the optimization so far, if not to break compatibility with, say, the 68040.
3) Exactly because it is open source. That model means gradual evolution, almost never rewriting/reinvention.

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