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73 Commits

Author SHA1 Message Date
Campbell Barton
ccdacf1c9b Cleanup: use '_len' instead of '_size' w/ BLI API 
- When returning the number of items in a collection use BLI_*_len()
- Keep _size() for size in bytes.
- Keep _count() for data structures that don't store length
  (hint this isn't a simple getter).

See P611 to apply instead of manually resolving conflicts.
 2018-02-15 23:39:08 +11:00
Campbell Barton
8ac69ff9dc Cleanup: use uint type in BLI 2017-10-28 17:48:45 +11:00
Campbell Barton
f117f45d86 Correct own mistake in 3e499c1a 2015-12-13 01:57:57 +11:00
Campbell Barton
3e499c1a31 Cleanup: sync edgehash w/ ghash remove logic 2015-11-29 17:51:12 +11:00
Campbell Barton
09c2bff32f Cleanup: rename hash -> bucket_index, edgehash API 
Was confusing since a hash isn't typically used as an index on its own.

Also C99 for loop for bucket resize loop.
 2015-11-29 17:51:12 +11:00
Campbell Barton
472599402f Cleanup: ghash/edgehash style 
Call functions on own lines (nicer for debugging)
 2015-11-29 17:51:12 +11:00
Campbell Barton
5d30c23c35 doxygen: corrections/updates 
Also add depsgraph & physics
 2015-05-20 14:12:22 +10:00
Campbell Barton
12661de087 Remove invalid assert 2015-04-09 13:00:58 +10:00
Campbell Barton
808de65d91 EdgeHash: ensure function, avoids multiple lookups 2015-04-07 10:53:20 +10:00
Campbell Barton
d4aaa4f9b6 cleanup: use const for smallhash & minor edits 2014-12-18 13:12:25 +01:00
Campbell Barton
15bde0dbea Docs: comments (hash table & beauty fill) 2014-12-17 09:58:23 +01:00
Campbell Barton
83cbcefac8 Add edgehash remove, clear functions, Heap clear 
Edgehash was missing removal functions (remove, popkey, clear),
since it wasn't needed so far, but is based on same code as ghash which has them.

also add heap clear() method so we can reuse heaps.

(needed for upcoming fix).
 2014-12-09 00:32:20 +01:00
Campbell Barton
6be4b39526 GHash: add flag get/set for gset 2014-08-12 13:29:40 +10:00
Campbell Barton
1b6864752f GHash/EdgeHash: avoid NULL check on iterator init 2014-08-07 11:19:55 +10:00
Campbell Barton
fa8ff63b48 Edgehash: Improve magic number for hashing 
Gives consistently better results. Tested with wide variety of meshes.
 2014-07-15 13:08:46 +10:00
Campbell Barton
8554fa2fad GHash, EdgeHash: add debugging function to measure the hash quality 
Can use to check on improvements to hash functions.
 2014-07-14 23:59:47 +10:00
Campbell Barton
98cb7ad237 Remove redundant NULL check 2014-07-14 14:23:23 +10:00
Campbell Barton
365ff66987 GSet, GHash: Add BLI_gset_add, since its common to add members to a set 
also rename BLI_edgeset_reinsert -> BLI_edgeset_add, in this case its the same.
 2014-06-14 00:47:12 +10:00
Campbell Barton
9bff19fbfd GHash, Edgehash: add lookup_default() funcs. 
Returns a fallback argument when the key isn't found.
 2014-04-22 01:36:59 +10:00
Campbell Barton
25c9ea8cb3 GHash, EdgeHash: hint on unlikely branch 
also avoid searching buckets for empty hashes
 2014-04-21 02:50:07 +10:00
Campbell Barton
5580afb5df GHash/Edgehash: make simple iterator checking functions inline. 
also remove NULL check, only a few areas made use of this.
 2014-04-08 15:50:38 +10:00
Campbell Barton
412826a504 Mempool: delay allocating an initial chunk, its not always used 2014-04-08 12:58:56 +10:00
Campbell Barton
af59ee340f Mempool: remove BLI_MEMPOOL_SYSMALLOC, MEM_* allocs are more efficient now 2014-04-05 12:14:05 +11:00
Campbell Barton
2097e621ed Code cleanup: use r_ prefix for return args 2014-03-16 03:26:23 +11:00
Bastien Montagne
7acb7cb897 Replace XOR swapping by default ("naive", with extra var) one. 
Ref: http://en.wikipedia.org/wiki/XOR_swap_algorithm, modern compilers/CPUs are much more efficient with "naive" algo than XOR one.
Doubled check, for me in an optimized build, XOR is several times slower than naive algo.
 2014-01-21 15:50:44 +01:00
Campbell Barton
f9d5bccb06 code cleanup: spelling 2013-10-31 23:52:44 +00:00
Campbell Barton
d59b4752e4 add hash iterator functions to access the pointer to the value. 2013-09-02 02:58:53 +00:00
Campbell Barton
2924a02a35 move strict compiler checks into a header so its easier to manage in one place (pragmas were copied around). 
also enable more strict warnings for BLF (which had some incorrect casts).
 2013-09-01 00:46:04 +00:00
Campbell Barton
b8547074e1 mempool internal change, use unsigned ints where possible (less overhead), 
also quiet compiler warning for BLI_LINKSTACK_FREE macro.
 2013-08-30 21:32:57 +00:00
Campbell Barton
1dba986505 internal changes to ghash/edgehash, reorganize to split out resizing the hash from insertion. 2013-08-26 13:41:13 +00:00
Campbell Barton
762e7da976 add some safety checks in debug mode to ensure sets/hashes aren't confused. 2013-08-26 09:37:15 +00:00
Campbell Barton
3b414b9859 minor changes to edgehassh/ghash 
- no need to zero vars when freeing ghash
- de duplicate ghash remove code.
- edgehash clear now works more like ghash.
 2013-08-25 21:02:31 +00:00
Campbell Barton
bbce51d116 replace hashes with sets where possible. 2013-08-25 20:03:45 +00:00
Campbell Barton
1d5eff36f5 BKI_gset and EdgeSet api, use when hash values aren't used (reuses ghash internally without allocating space for the value). 2013-08-25 20:00:19 +00:00
Campbell Barton
e2bd3a4644 clearing the mempool can now keep more then a single element reserved. 2013-08-25 16:16:38 +00:00
Campbell Barton
3a9eb9b497 doxygen docs for ghash/edgehash 2013-08-25 12:17:46 +00:00
Campbell Barton
7c65015ab8 use ints for ghash/edgehash flags, since its allocated theres not much point to try save a few bytes here. 2013-08-24 20:16:14 +00:00
Campbell Barton
585272fbcf cloth was using edgehash not quite correctly: 
- was ordering vertex args unnecessarily.
- was adding the same edges multiple times into the edgehash.
 2013-08-24 16:06:18 +00:00
Campbell Barton
aefe93d909 revert bucket size change (edgehash was this way for years, since r26206, ghash since r57657) 
having 2 free buckets for each entry is faster but uses more memory.

use the original size, best case 3 entries per bucket.
 2013-08-24 15:09:57 +00:00
Campbell Barton
f2acb10b6b edge hash: take an arg for the guarded-malloc string (as ghash does) 2013-08-24 13:08:55 +00:00
Campbell Barton
9c090cecfe ghash and edgehash api, allow newly defined hashes to take in the size of the hash as an arg (avoids resizing in simple cases when the hash is created and filled immediately). 2013-08-24 13:04:03 +00:00
Campbell Barton
4dd9353e56 ghash/edgehash flag wasn't being initialized for new hashes. also init vars in same order for ghash/edgehash. 2013-08-21 20:21:42 +00:00
Campbell Barton
754b4ab3bc add hash function BLI_ghash_assign, BLI_edgehash_assign 
avoids remove,insert and only hashes the key once.
 2013-08-18 03:41:39 +00:00
Campbell Barton
ee2d95f850 minor api cleanup for ghash/edgehash 
- use single inlined lookup function.
- move comments into source.
- pack iterator vars more efficiently.
 2013-08-18 01:00:52 +00:00
Campbell Barton
fbb446dff6 add assert for hashes if an existing element is ever inserted into a ghash/edgehash. 
the outliner does this intentionally, so add a flag to allow this situation optionally.
 2013-08-18 00:36:04 +00:00
Campbell Barton
418011907c remove nan copyrights from code added since blender become opensource (copy paste errors), also remove BKE_script.h 2013-07-02 10:14:59 +00:00
Campbell Barton
1a50be2d94 Make edgehash and ghash use the same limit for expanding buckets, r26206 changed ghash. 
double checked and r26206 does indeed give a speedup, so change for edgehash too.
 2013-06-22 22:30:56 +00:00
Campbell Barton
1fb980e7df reduce sign conversion comparisons for smallhash and tweak warnings elsewhere. 2013-06-22 20:20:06 +00:00
Campbell Barton
0ac5028f2a use unsigned ints for edgehash 2013-05-10 12:06:40 +00:00
Campbell Barton
62db610220 use unsigned int's for smallhash, avoids using ABS when converting an 
int from a key.
 2013-05-08 12:54:07 +00:00