Why do base objects appear behind the delta in packs?

Shawn Pearce wrote:

> From a data locality perspective putting the base
object before
> or after the delta shouldn't matter, as either way the
delta
> is useless without the base.  So placing the base
immediately
> before the delta should perform just as well as placing
it after.
> Either way the OS should have the base in cache by the
time the
> delta is being accessed.

_Should_ perform? Have you got any measurements of speed of
creating "base
before delta" pack, and reading objects from this kind
of pack?

-- 
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git


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