On Wed, Aug 15, 2012 at 10:42 PM, Junio C Hamano gits...@pobox.com wrote:
Shawn Pearce spea...@spearce.org writes:
... But I think its worth giving
him a few weeks to finish getting the code ready, vs. rushing
something in that someone else thinks might help. We have waited more
than 6 years
Shawn Pearce spea...@spearce.org writes:
... But I think its worth giving
him a few weeks to finish getting the code ready, vs. rushing
something in that someone else thinks might help. We have waited more
than 6 years or whatever to improve packing. Colby's experiments are
showing massive
Nguyen Thai Ngoc Duy pclo...@gmail.com writes:
On Mon, Aug 13, 2012 at 2:49 AM, Junio C Hamano gits...@pobox.com wrote:
For example, the reachability bitmap would want to say something
like Traversing from commit A, these objects in this pack are
reachable. The bitmap for one commit A would
Let me start by echoing Junio's remark... lacks sufficient
justification. You don't give enough evidence to support even why it
is worth looking at this commit, let alone why it should be included
and cause a format change in the idx file format.
At some point you start to hand-wave about how it
On Tue, Aug 14, 2012 at 7:46 AM, Shawn Pearce spea...@spearce.org wrote:
Colby is nearly done prototyping the bitmap reachability
implementation in JGit and will release the code under the BSD license
there soon. I can't promise when yet because Colby will soon be
heading out for some (much
The sha-1-offset table in v3 is sorted by object type first, then
sha-1 (as opposed to sorted by sha-1 only in v2). There are four
fan-out tables, one for each object type. So to look for the offset of
an object, we first locate the fan-out table based on object type,
then do binary search in that
Nguyễn Thái Ngọc Duy pclo...@gmail.com writes:
The main reason to group objects by type is to make it possible to
create another sha1-something mapping for a particular object type,
without wasting space for storing sha-1 keys again. For example, we
can store commit caches, tree caches... at
On Mon, Aug 13, 2012 at 2:49 AM, Junio C Hamano gits...@pobox.com wrote:
For example, the reachability bitmap would want to say something
like Traversing from commit A, these objects in this pack are
reachable. The bitmap for one commit A would logically consist of
N bits for a packfile that
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