RFC: startup time - again

Forest Bond forest at alittletooquiet.net
Thu Sep 11 04:16:40 BST 2008


On Wed, Sep 10, 2008 at 04:44:47PM -0500, Matthew D. Fuller wrote:
> On Wed, Sep 10, 2008 at 03:20:55PM +0100 I heard the voice of
> Adrian Wilkins, and lo! it spake thus:
> > 
> > Competing with git on raw performance is daft. The design of git was
> > optimized to be good at merging a very large number of kernel
> > patches, because that's what Linus does. Other considerations in
> > it's design were secondary, and it shows. My userbase would never
> > have grokked the default porcelain in git, so for them, git would
> > have been a lot slower than Bazaar.
> I don't buy this for a second.  git isn't fast because it has a wacky
> UI; it's fast because it's _fast_.  bzr isn't slow because it has a
> nice UI; it's slow because it's _slow_.

I don't think Adrian was saying that git is fast *because* its UI is
incomprehensible, but that git is fast because its developers focused on speed
first and usability second.  The pieces that still need work for git are in the
UI.  bzr, on the other hand, focused on UI and flexibility first, and has only
recently really started to focus on performance (where it still has work to do).

Forest Bond
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