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Rewritten from scratch class lookup internals - getting a good performance 

boost for class method invocations

From-SVN: r46616
This commit is contained in:
Nicola Pero 2001-10-29 21:24:48 +00:00
parent 2726bdbaac
commit 26e51caa4d
1 changed files with 16 additions and 0 deletions
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libobjc/ChangeLog
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@ -1,3 +1,19 @@
Mon Oct 29 21:29:21 2001 Nicola Pero <n.pero@mi.flashnet.it>
* class.c: Rewritten the class table to use optimized, lock-free
lookup. This more than doubles the speed of class method
invocations. (class_table_setup), (class_table_insert),
(class_table_replace), (class_table_get_safe),
(class_table_next), (class_table_print),
(class_table_print_histogram): New functions.
(__objc_init_class_tables): Use class_table_setup.
(__objc_add_class_to_hash): Use class_table_get_safe and
class_table_insert. (objc_lookup_class), (objc_get_class): Do not
assert the existence of the table; do not lock the runtime; use
class_table_get_safe. (objc_next_class): Use class_table_next.
(__objc_resolve_class_links): Use class_table_next.
(class_pose_as): Use class_table_replace.
2001-09-10 Ovidiu Predescu <ovidiu@cup.hp.com>
* gc.c: Removed the DEBUG declaration.