From: David Barr <david.barr@cordelta.com>
To: Git List <git@vger.kernel.org>
Cc: Jonathan Nieder <jrnieder@gmail.com>,
David Barr <david.barr@cordelta.com>
Subject: [PATCH 2/2] fast-import: use struct hash_table for objects
Date: Thu, 31 Mar 2011 22:59:58 +1100 [thread overview]
Message-ID: <1301572798-9973-3-git-send-email-david.barr@cordelta.com> (raw)
In-Reply-To: <1301572798-9973-1-git-send-email-david.barr@cordelta.com>
Signed-off-by: David Barr <david.barr@cordelta.com>
---
fast-import.c | 19 ++++++++++++-------
1 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/fast-import.c b/fast-import.c
index 0592b21..8fd8ea9 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -313,7 +313,7 @@ static off_t pack_size;
/* Table of objects we've written. */
static unsigned int object_entry_alloc = 5000;
static struct object_entry_pool *blocks;
-static struct object_entry *object_table[1 << 16];
+static struct hash_table object_table;
static struct mark_set *marks;
static const char *export_marks_file;
static const char *import_marks_file;
@@ -555,9 +555,9 @@ static struct object_entry *new_object(unsigned char *sha1)
static struct object_entry *find_object(unsigned char *sha1)
{
- unsigned int h = sha1[0] << 8 | sha1[1];
+ unsigned int h = sha1[0] << 24 | sha1[1] << 16 | sha1[2] << 8 | sha1[3];
struct object_entry *e;
- for (e = object_table[h]; e; e = e->next)
+ for (e = lookup_hash(h, &object_table); e; e = e->next)
if (!hashcmp(sha1, e->idx.sha1))
return e;
return NULL;
@@ -565,8 +565,9 @@ static struct object_entry *find_object(unsigned char *sha1)
static struct object_entry *insert_object(unsigned char *sha1)
{
- unsigned int h = sha1[0] << 8 | sha1[1];
- struct object_entry *e = object_table[h];
+ unsigned int h = sha1[0] << 24 | sha1[1] << 16 | sha1[2] << 8 | sha1[3];
+ struct object_entry *e = lookup_hash(h, &object_table);
+ void **pos;
while (e) {
if (!hashcmp(sha1, e->idx.sha1))
@@ -575,9 +576,13 @@ static struct object_entry *insert_object(unsigned char *sha1)
}
e = new_object(sha1);
- e->next = object_table[h];
+ e->next = NULL;
e->idx.offset = 0;
- object_table[h] = e;
+ pos = insert_hash(h, e, &object_table);
+ if (pos) {
+ e->next = *pos;
+ *pos = e;
+ }
return e;
}
--
1.7.3.2.846.gf4b062
next prev parent reply other threads:[~2011-03-31 12:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-31 11:59 fast-import: use struct hash_table David Barr
2011-03-31 11:59 ` [PATCH 1/2] fast-import: use struct hash_table for atom strings David Barr
2011-04-02 2:42 ` Jonathan Nieder
2011-04-02 3:33 ` Jonathan Nieder
2011-03-31 11:59 ` David Barr [this message]
2011-04-02 2:46 ` [PATCH 2/2] fast-import: use struct hash_table for objects Jonathan Nieder
2011-04-02 2:48 ` fast-import: use struct hash_table Jonathan Nieder
2012-04-11 12:11 ` [PATCH/RFC v2 0/4] " Jonathan Nieder
2012-04-11 12:12 ` [PATCH/RFC v2 0/4 resend] " Jonathan Nieder
2012-04-11 12:13 ` [PATCH 1/4] fast-import: allow object_table to grow dynamically Jonathan Nieder
2012-04-11 12:14 ` [PATCH 2/4] fast-import: allow atom_table " Jonathan Nieder
2012-04-11 12:15 ` [PATCH 3/4] fast-import: allow branch_table " Jonathan Nieder
2012-04-11 12:15 ` [PATCH 4/4] fast-import: use DIV_ROUND_UP Jonathan Nieder
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