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| author | Nicolas Pitre <nico@cam.org> | 2006-05-15 17:47:16 (GMT) |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-05-15 19:32:13 (GMT) |
| commit | ff45715ce50b80ab16ee0d0dc7fff0c47a51959a (patch) | |
| tree | aab49d4b562b46c146524f0f9729037666b79380 /pack-objects.c | |
| parent | 4e8da1958111796d55ad63b229ebd3ae6c54bf87 (diff) | |
| download | git-ff45715ce50b80ab16ee0d0dc7fff0c47a51959a.zip git-ff45715ce50b80ab16ee0d0dc7fff0c47a51959a.tar.gz git-ff45715ce50b80ab16ee0d0dc7fff0c47a51959a.tar.bz2 | |
pack-object: slightly more efficient
Avoid creating a delta index for objects with maximum depth since they
are not going to be used as delta base anyway. This also reduce peak
memory usage slightly as the current object's delta index is not useful
until the next object in the loop is considered for deltification. This
saves a bit more than 1% on CPU usage.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'pack-objects.c')
| -rw-r--r-- | pack-objects.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/pack-objects.c b/pack-objects.c index 526c090..b430b02 100644 --- a/pack-objects.c +++ b/pack-objects.c @@ -1105,17 +1105,14 @@ static void find_deltas(struct object_entry **list, int window, int depth) if (entry->size < 50) continue; - if (n->index) - free_delta_index(n->index); + free_delta_index(n->index); + n->index = NULL; free(n->data); n->entry = entry; n->data = read_sha1_file(entry->sha1, type, &size); if (size != entry->size) die("object %s inconsistent object length (%lu vs %lu)", sha1_to_hex(entry->sha1), size, entry->size); - n->index = create_delta_index(n->data, size); - if (!n->index) - die("out of memory"); j = window; while (--j > 0) { @@ -1135,6 +1132,11 @@ static void find_deltas(struct object_entry **list, int window, int depth) */ if (entry->delta && depth <= entry->depth) continue; + + n->index = create_delta_index(n->data, size); + if (!n->index) + die("out of memory"); + idx++; if (idx >= window) idx = 0; @@ -1144,8 +1146,7 @@ static void find_deltas(struct object_entry **list, int window, int depth) fputc('\n', stderr); for (i = 0; i < window; ++i) { - if (array[i].index) - free_delta_index(array[i].index); + free_delta_index(array[i].index); free(array[i].data); } free(array); |