Jeff King writes:
> +static inline int *slab_at(struct commit_slab *s, const struct commit *c)
> +{
> + if (s->alloc <= c->index) {
> + int new_alloc = alloc_nr(s->alloc);
> + if (new_alloc <= c->index)
> + new_alloc = c->index + 1;
> +
> +
On Mon, Apr 08, 2013 at 09:54:50PM -0700, Junio C Hamano wrote:
> Jeff King writes:
>
> > The tricky part is how to store the index for each commit (or object). I
> > don't see a way around adding a new field to "struct commit" to do so.
>
> We could reuse the space "indegree" used to live at;
Jeff King writes:
> The tricky part is how to store the index for each commit (or object). I
> don't see a way around adding a new field to "struct commit" to do so.
We could reuse the space "indegree" used to live at; that is a
one-word space already, and I really do not need "encoding". It wa
On Mon, Apr 08, 2013 at 09:17:42PM -0700, Junio C Hamano wrote:
> Jeff King writes:
>
> > [1] The thing that made me think about this was making a version of
> > paint_down_to_common that could keep a separate color for each
> > source, rather than only PARENT1 and PARENT2. That would le
Jeff King writes:
> Neat. Reading through, I didn't notice anything obviously wrong with any
> of the patches (though there is one gcc warning, which I'll respond to
> separately).
>
> It does make me a little nervous to have code that almost never gets
> exercised (i.e., when indegree is really
Jeff King writes:
> [1] The thing that made me think about this was making a version of
> paint_down_to_common that could keep a separate color for each
> source, rather than only PARENT1 and PARENT2. That would let us do
> the "--contains" traversal in a breadth-first way, but calcul
On Mon, Apr 08, 2013 at 04:01:51PM -0700, Junio C Hamano wrote:
> This comes on top of the two "decorate" patches that introduced the
> clear_decoration() function.
> [...]
> Junio C Hamano (3):
> commit: shrink "indegree" field
> commit: rename parse_commit_date()
> commit: add get_commit_e
This comes on top of the two "decorate" patches that introduced the
clear_decoration() function.
I am not sure if pre-parsing and sharing the encoding values in-core
would affect performance very much, but now we have 2 bytes (or 6
bytes, if you are on 64-bit archs) free to use in "struct commit"
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