kmx git

Commit	Date	Message
6a211d7c	2014-08-26T15:12:43	Refactor git_cache to use an rwlock This significantly reduces contention when many threads are trying to read from the cache simultaneously.
eb63fda2	2013-04-25T11:52:17	git_atomic_ssize for 64-bit atomics only on 64-bit platforms
879458e7	2013-04-24T15:52:33	repo: Add `git_repository__cleanup`
a2378ae4	2013-04-23T20:42:29	opts: Add getter for cached memory
a14163a7	2013-04-22T17:30:49	cache: Shared meter for memory usage
d8771592	2013-04-22T17:04:52	cache: Max cache size, and evict when the cache fills up
78606263	2013-04-15T00:05:44	Add callback to git_objects_table This adds create and free callback to the git_objects_table so that more of the creation and destruction of objects can be table driven instead of using switch statements. This also makes the semantics of certain object creation functions consistent so that we can make better use of function pointers. This also fixes a theoretical error case where an object allocation fails and we end up storing NULL into the cache.
b12b72ea	2013-04-12T12:44:51	Add range checking around cache opts Add a git_cache_set_max_object_size method that does more checking around setting the max object size. Also add a git_cache_size to read the number of objects currently in the cache. This makes it easier to write tests.
ee12272d	2013-04-05T22:48:39	Global option setters
064236ca	2013-04-03T23:39:42	Per-object max size
cf7850a4	2013-04-03T23:09:54	Duplicated type object
8842c75f	2013-04-03T22:30:07	What has science done.
c4e91d45	2013-04-03T20:57:30	Random eviction
6b90e244	2013-04-01T19:53:49	Per-object filtering
5df18424	2013-04-01T19:38:23	lol this worked first try wtf
359fc2d2	2013-01-08T17:07:25	update copyrights
5e0de328	2012-02-13T17:10:24	Update Copyright header Signed-off-by: schu <schu-github@schulog.org>
e4b4da14	2012-01-27T18:28:02	cache: Simplify locking mechanics The object cache is mostly IO-bound, so it makes no sense to have a lock per node.
bb742ede	2011-09-19T01:54:32	Cleanup legal data 1. The license header is technically not valid if it doesn't have a copyright signature. 2. The COPYING file has been updated with the different licenses used in the project. 3. The full GPLv2 header in each file annoys me.
7d74cd44	2011-05-29T11:46:42	Deleted unused method git_cached_object_match, since we do not explore the cache when searching objects from a short oid.
53c0bd81	2011-05-27T22:37:10	Added error for ambiguous oid prefixes. Added methods to compare the first nth hexadecimal characters (i.e. packets of 4 bits) of OIDs.
335d6c99	2011-05-17T01:46:07	cache: Drop cuckoo hashing Now we use a simple closed-addressing cache. Cuckoo hashing was creating too many issues with race conditions. Fuck that. Let's see what happens performance wise, we may have to roll back or come up with another way to implement an efficient multi-threaded cache.
81201a4c	2011-05-15T06:57:34	Move cache.c to the new error handling
72a3fe42	2011-03-18T19:38:49	I broke your bindings Hey. Apologies in advance -- I broke your bindings. This is a major commit that includes a long-overdue redesign of the whole object-database structure. This is expected to be the last major external API redesign of the library until the first non-alpha release. Please get your bindings up to date with these changes. They will be included in the next minor release. Sorry again! Major features include: - Real caching and refcounting on parsed objects - Real caching and refcounting on objects read from the ODB - Streaming writes & reads from the ODB - Single-method writes for all object types - The external API is now partially thread-safe The speed increases are significant in all aspects, specially when reading an object several times from the ODB (revwalking) and when writing big objects to the ODB. Here's a full changelog for the external API: blob.h ------ - Remove `git_blob_new` - Remove `git_blob_set_rawcontent` - Remove `git_blob_set_rawcontent_fromfile` - Rename `git_blob_writefile` -> `git_blob_create_fromfile` - Change `git_blob_create_fromfile`: The `path` argument is now relative to the repository's working dir - Add `git_blob_create_frombuffer` commit.h -------- - Remove `git_commit_new` - Remove `git_commit_add_parent` - Remove `git_commit_set_message` - Remove `git_commit_set_committer` - Remove `git_commit_set_author` - Remove `git_commit_set_tree` - Add `git_commit_create` - Add `git_commit_create_v` - Add `git_commit_create_o` - Add `git_commit_create_ov` tag.h ----- - Remove `git_tag_new` - Remove `git_tag_set_target` - Remove `git_tag_set_name` - Remove `git_tag_set_tagger` - Remove `git_tag_set_message` - Add `git_tag_create` - Add `git_tag_create_o` tree.h ------ - Change `git_tree_entry_2object`: New signature is `(git_object *object_out, git_repository repo, git_tree_entry entry)` - Remove `git_tree_new` - Remove `git_tree_add_entry` - Remove `git_tree_remove_entry_byindex` - Remove `git_tree_remove_entry_byname` - Remove `git_tree_clearentries` - Remove `git_tree_entry_set_id` - Remove `git_tree_entry_set_name` - Remove `git_tree_entry_set_attributes` object.h ------------ - Remove `git_object_new - Remove `git_object_write` - Change `git_object_close`: This method is now mandatory. Not closing an object causes a memory leak. odb.h ----- - Remove type `git_rawobj` - Remove `git_rawobj_close` - Rename `git_rawobj_hash` -> `git_odb_hash` - Change `git_odb_hash`: New signature is `(git_oid id, const void data, size_t len, git_otype type)` - Add type `git_odb_object` - Add `git_odb_object_close` - Change `git_odb_read`: New signature is `(git_odb_object out, git_odb db, const git_oid id)` - Change `git_odb_read_header`: New signature is `(size_t len_p, git_otype type_p, git_odb db, const git_oid id)` - Remove `git_odb_write` - Add `git_odb_open_wstream` - Add `git_odb_open_rstream` odb_backend.h ------------- - Change type `git_odb_backend`: New internal signatures are as follows int ( read)(void *, size_t , git_otype , struct git_odb_backend , const git_oid ) int ( read_header)(size_t , git_otype , struct git_odb_backend , const git_oid ) int (* writestream)(struct git_odb_stream *, struct git_odb_backend , size_t, git_otype) int (* readstream)( struct git_odb_stream *, struct git_odb_backend , const git_oid *) - Add type `git_odb_stream` - Add enum `git_odb_streammode` Signed-off-by: Vicent Marti <tanoku@gmail.com>
bb3de0c4	2011-03-16T21:35:51	Thread safe cache

6a211d7c

2014-08-26T15:12:43

Refactor git_cache to use an rwlock This significantly reduces contention when many threads are trying to read from the cache simultaneously.

eb63fda2

2013-04-25T11:52:17

git_atomic_ssize for 64-bit atomics only on 64-bit platforms

879458e7

2013-04-24T15:52:33

repo: Add `git_repository__cleanup`

a2378ae4

2013-04-23T20:42:29

opts: Add getter for cached memory

a14163a7

2013-04-22T17:30:49

cache: Shared meter for memory usage

d8771592

2013-04-22T17:04:52

cache: Max cache size, and evict when the cache fills up

78606263

2013-04-15T00:05:44

Add callback to git_objects_table This adds create and free callback to the git_objects_table so that more of the creation and destruction of objects can be table driven instead of using switch statements. This also makes the semantics of certain object creation functions consistent so that we can make better use of function pointers. This also fixes a theoretical error case where an object allocation fails and we end up storing NULL into the cache.

b12b72ea

2013-04-12T12:44:51

Add range checking around cache opts Add a git_cache_set_max_object_size method that does more checking around setting the max object size. Also add a git_cache_size to read the number of objects currently in the cache. This makes it easier to write tests.

ee12272d

2013-04-05T22:48:39

Global option setters

064236ca

2013-04-03T23:39:42

Per-object max size

cf7850a4

2013-04-03T23:09:54

Duplicated type object

8842c75f

2013-04-03T22:30:07

What has science done.

c4e91d45

2013-04-03T20:57:30

Random eviction

6b90e244

2013-04-01T19:53:49

Per-object filtering

5df18424

2013-04-01T19:38:23

lol this worked first try wtf

359fc2d2

2013-01-08T17:07:25

update copyrights

5e0de328

2012-02-13T17:10:24

Update Copyright header Signed-off-by: schu <schu-github@schulog.org>

e4b4da14

2012-01-27T18:28:02

cache: Simplify locking mechanics The object cache is mostly IO-bound, so it makes no sense to have a lock per node.

bb742ede

2011-09-19T01:54:32

Cleanup legal data 1. The license header is technically not valid if it doesn't have a copyright signature. 2. The COPYING file has been updated with the different licenses used in the project. 3. The full GPLv2 header in each file annoys me.

7d74cd44

2011-05-29T11:46:42

Deleted unused method git_cached_object_match, since we do not explore the cache when searching objects from a short oid.

53c0bd81

2011-05-27T22:37:10

Added error for ambiguous oid prefixes. Added methods to compare the first nth hexadecimal characters (i.e. packets of 4 bits) of OIDs.

335d6c99

2011-05-17T01:46:07

cache: Drop cuckoo hashing Now we use a simple closed-addressing cache. Cuckoo hashing was creating too many issues with race conditions. Fuck that. Let's see what happens performance wise, we may have to roll back or come up with another way to implement an efficient multi-threaded cache.

81201a4c

2011-05-15T06:57:34

Move cache.c to the new error handling

72a3fe42

2011-03-18T19:38:49

I broke your bindings Hey. Apologies in advance -- I broke your bindings. This is a major commit that includes a long-overdue redesign of the whole object-database structure. This is expected to be the last major external API redesign of the library until the first non-alpha release. Please get your bindings up to date with these changes. They will be included in the next minor release. Sorry again! Major features include: - Real caching and refcounting on parsed objects - Real caching and refcounting on objects read from the ODB - Streaming writes & reads from the ODB - Single-method writes for all object types - The external API is now partially thread-safe The speed increases are significant in all aspects, specially when reading an object several times from the ODB (revwalking) and when writing big objects to the ODB. Here's a full changelog for the external API: blob.h ------ - Remove `git_blob_new` - Remove `git_blob_set_rawcontent` - Remove `git_blob_set_rawcontent_fromfile` - Rename `git_blob_writefile` -> `git_blob_create_fromfile` - Change `git_blob_create_fromfile`: The `path` argument is now relative to the repository's working dir - Add `git_blob_create_frombuffer` commit.h -------- - Remove `git_commit_new` - Remove `git_commit_add_parent` - Remove `git_commit_set_message` - Remove `git_commit_set_committer` - Remove `git_commit_set_author` - Remove `git_commit_set_tree` - Add `git_commit_create` - Add `git_commit_create_v` - Add `git_commit_create_o` - Add `git_commit_create_ov` tag.h ----- - Remove `git_tag_new` - Remove `git_tag_set_target` - Remove `git_tag_set_name` - Remove `git_tag_set_tagger` - Remove `git_tag_set_message` - Add `git_tag_create` - Add `git_tag_create_o` tree.h ------ - Change `git_tree_entry_2object`: New signature is `(git_object **object_out, git_repository *repo, git_tree_entry *entry)` - Remove `git_tree_new` - Remove `git_tree_add_entry` - Remove `git_tree_remove_entry_byindex` - Remove `git_tree_remove_entry_byname` - Remove `git_tree_clearentries` - Remove `git_tree_entry_set_id` - Remove `git_tree_entry_set_name` - Remove `git_tree_entry_set_attributes` object.h ------------ - Remove `git_object_new - Remove `git_object_write` - Change `git_object_close`: This method is now *mandatory*. Not closing an object causes a memory leak. odb.h ----- - Remove type `git_rawobj` - Remove `git_rawobj_close` - Rename `git_rawobj_hash` -> `git_odb_hash` - Change `git_odb_hash`: New signature is `(git_oid *id, const void *data, size_t len, git_otype type)` - Add type `git_odb_object` - Add `git_odb_object_close` - Change `git_odb_read`: New signature is `(git_odb_object **out, git_odb *db, const git_oid *id)` - Change `git_odb_read_header`: New signature is `(size_t *len_p, git_otype *type_p, git_odb *db, const git_oid *id)` - Remove `git_odb_write` - Add `git_odb_open_wstream` - Add `git_odb_open_rstream` odb_backend.h ------------- - Change type `git_odb_backend`: New internal signatures are as follows int (* read)(void **, size_t *, git_otype *, struct git_odb_backend *, const git_oid *) int (* read_header)(size_t *, git_otype *, struct git_odb_backend *, const git_oid *) int (* writestream)(struct git_odb_stream **, struct git_odb_backend *, size_t, git_otype) int (* readstream)( struct git_odb_stream **, struct git_odb_backend *, const git_oid *) - Add type `git_odb_stream` - Add enum `git_odb_streammode` Signed-off-by: Vicent Marti <tanoku@gmail.com>

bb3de0c4

2011-03-16T21:35:51

Thread safe cache

thodg/libgit2/src/cache.h

src/cache.h

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