From: Nicolas Pitre <nico@cam.org>
Date: Mon, 10 Sep 2007 04:06:10 +0000 (-0400)
Subject: threaded delta search: better chunck split point
X-Git-Tag: v1.5.4-rc0~440^2~5
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=59921b4b3f24b19e2593085ee27d5e1f2448c6bb;p=git.git

threaded delta search: better chunck split point

Try to keep object with the same name hash together.

Suggested by Martin Koegler.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 60141196d..b13558ee7 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -1635,6 +1635,11 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size,
 		if (sublist_size > list_size)
 			sublist_size = list_size;
 
+		/* try to split chunks on "path" boundaries */
+		while (sublist_size < list_size && list[sublist_size]->hash &&
+		       list[sublist_size]->hash == list[sublist_size-1]->hash)
+			sublist_size++;
+
 		pthread_mutex_lock(&data_provider);
 		data_requester->list = list;
 		data_requester->list_size = sublist_size;