Re: git-diff-tree inordinately (O(M*N)) slow on files with many changes
> I ended up using this one:
>
> #define XDL_HASHLONG(v, b) ((((unsigned long) (v) >> ((CHAR_BIT *
sizeof(unsigned long)) - (b))) + \
Show 11 quoted lines
> (unsigned long) (v)) & ((1UL << (b)) - 1))
>
> The GR_PRIME selection does not make me feel good, and the 'static inline'
> is puked-over by certain C compilers. It'd be probably fine to just use a
> simple function, though the above should work just fine.
>
> real 0m0.665s
> user 0m0.655s
> sys 0m0.010s
>
> (Opteron 252)
Could you please do and post benchmarks for other solutions?
--
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git
Jakub Narebski <jnareb@gmail.com>