On Wed 2016-10-05 15:28:51, Joe Perches wrote: > On Thu, 2016-10-06 at 00:13 +0200, Pavel Machek wrote: > > On Wed 2016-10-05 12:15:34, Joe Perches wrote: > > > On Wed, 2016-10-05 at 21:11 +0200, Pavel Machek wrote: > > > > On Wed 2016-10-05 10:53:16, Joe Perches wrote: > [] > > > > > trivia: > > > > > It's generally faster to use bool instead of u8 foo:1; > > > > Ok, but I'm not changing that in this patch. > > > > (And actually, bool will take a lot more memory, right?) > > > No worries, and bool is the same size as u8. > > Exactly what I'm talking about :-). One byte vs. one bit, right? > > Memory isn't bit addressable. > So it's the same byte, it just doesn't use a read/modify/write > operation to update a value. I believe you are wrong. bit addressability does not matter, cpu can definitely get the bit values. u8 foo:1; u8 bar:1; u8 baz:1; should take 1 byte, where bool foo, bar, baz; will take more like 3. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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