Linus Torvalds wrote:
First, make sure you have a recent git, it does better at optimizing the
I was using vanilla git, as of 10 minutes before I sent the email. Top
of tree is 154d3d2dd2656c23ea04e9d1c6dd4e576a7af6de.
Secondly, what's the problem? Sure, I could special-case the local case,
but do you really want to have two _totally_ different code-paths? In
other words, it's absolutely NOT a complete waste of time: it's very much
a case of trying to have a unified architecture, and the fact that it
spends a few seconds doing things in a way that is network-transparent is
time well spent.
Put another way: do you argue that X network transparency is a total waste
of time? You could certainly optimize X if you always made it be
local-machine only. Or you could make tons of special cases, and have X
have separate code-paths for local clients and for remote clients, rather
than just always opening a socket connection.
Poor example... sure it opens a socket, but X certainly does have a
special case local path (mit shm), and they're adding more for 3D due
the massive amount of data involved in 3D.
We do end up having a special code-path for "clone" (the "-l" flag), which
does need it, but I seriously doubt you need it for a local pull. The most
expensive operation in a local pull tends to be (if the repositories are
unpacked and cold-cache) just figuring out the objects to pull, not the
packing/unpacking per se.
Well, I'm not overly concerned, mostly curious. The pack+unpack step
(a) appears completely redundant and (b) is the step that takes the most
time here, for local pulls, after the diffstat.
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