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344 Commits

Author SHA1 Message Date
Roberto Ierusalimschy 1bf4faec64 new GC state to sweep 'localgc' list + small changes in sweep control 2013-08-30 16:14:26 -03:00
Roberto Ierusalimschy b5e75fde4e bug: local collection must clear rest of stack 2013-08-29 10:34:16 -03:00
Roberto Ierusalimschy 9a871dd3db tables and userdata all go to local list, too 2013-08-28 15:30:26 -03:00
Roberto Ierusalimschy 90972ff136 LOCALBLACK changed to LOCALMARK and used also to control whether object 
is in 'localgc' list + luaC_newobj by default puts object in 'localgc'
list
 2013-08-27 17:04:00 -03:00
Roberto Ierusalimschy af35c7f398 upvalues collected by reference count 2013-08-27 15:53:35 -03:00
Roberto Ierusalimschy 742b7377d3 Lua closures go to local, too 2013-08-26 09:41:10 -03:00
Roberto Ierusalimschy 50955e27f5 C functions and strings now go to the local list; first version 
of the local collector
 2013-08-23 10:34:54 -03:00
Roberto Ierusalimschy 0df6635711 "fixed" objects kept in a separated list (instead of being kept in 
'allgc' list with a bit marking them)
 2013-08-21 17:09:51 -03:00
Roberto Ierusalimschy ae800656c9 change in string table: string table is now independent of GC lists; all 
strings live in 'normal' GC lists
 2013-08-21 16:21:16 -03:00
Roberto Ierusalimschy 8f6b80aa1d GC bits SEPARATED and FINALIZEDBIT mixed in FINALIZEDBIT (with simpler 
control)
 2013-08-20 14:46:34 -03:00
Roberto Ierusalimschy 9eff921f8f "barrier" for link prototype->cache changed to be consistent with 
GC behavior (link is cleared to preserve invariant)
 2013-08-19 11:18:43 -03:00
Roberto Ierusalimschy 439d74e29f added 'local' bit (true => object is only refered by local variables) 2013-08-16 15:55:49 -03:00
Roberto Ierusalimschy 3679d33b02 barrier conditions rewritten to test first 'isblack' and then 'iswhite' 
(during a pause all objects are white, so 'isblack' fails much more
often than 'iswhite')
 2013-08-13 14:36:44 -03:00
Roberto Ierusalimschy 78b941039d change to allow collector to stop when it goes to the atomic phase 
(just for debugging)
 2013-08-07 12:39:09 -03:00
Roberto Ierusalimschy 623e388bb4 double-linked list of all upvalues elliminated and changed to a 
traversal of all non-marked threads
 2013-08-07 09:18:11 -03:00
Roberto Ierusalimschy 677d90165f no more generational collection !!! 2013-08-05 13:58:28 -03:00
Roberto Ierusalimschy c37b7b3cca bug: garbage collector can trigger too many times in recursive loops, 
because it was not computing the size of CallInfo structures in threads
 2013-04-26 15:26:49 -03:00
Roberto Ierusalimschy 75250a237c typos in comments 2013-03-16 18:10:18 -03:00
Roberto Ierusalimschy 437a49be5e cast to avoid warnings 2013-03-15 15:33:36 -03:00
Roberto Ierusalimschy a799ed5af9 more precise control for GC pause (based on threshold) 2012-10-19 16:00:33 -03:00
Roberto Ierusalimschy fdae4b9453 removed commented-out line (for debugging) 2012-10-03 09:36:17 -03:00
Roberto Ierusalimschy ae1d318822 small bug: generational mode is always in 'propagate' mode only 
outside the collector: during collection of course it must go to
other modes.
 2012-09-11 09:53:08 -03:00
Roberto Ierusalimschy e4f609d0ee collector in generational mode must be in 'propagate' state when 
not running a collection
 2012-07-04 12:52:38 -03:00
Roberto Ierusalimschy 4fc15bbfb7 major collections in generational mode are triggered by comparison with 
the memory estimate from last major collection
 2012-07-02 10:40:05 -03:00
Roberto Ierusalimschy c510d94549 includes counts from 'sweeptolive' in cost of atomic step 2012-05-31 18:28:59 -03:00
Roberto Ierusalimschy ab2c3d5cde small bug in error handling of finalizers (cannot call lua_tostring 
inside the core) + small bug in luaC_checkfinalizer (when avoiding
remove object being sweeped from sweep list) + small changes in GC
pace control (for the atomic part)
 2012-05-31 17:26:14 -03:00
Roberto Ierusalimschy 6fcdfc6d4f bug: object being moved to 'finobj' list might not be sweeped by 
the collector
 2012-05-30 13:01:10 -03:00
Roberto Ierusalimschy 6efffb9acd only count in 'atomic' objects marked for the first time 2012-05-29 14:52:17 -03:00
Roberto Ierusalimschy 51e8f08e60 more efficient way to apply 'stepmul' + some changes in GC parameters 2012-05-28 17:41:00 -03:00
Roberto Ierusalimschy e29f3a5751 definition of 'GCSTEPSIZE' moved to header file + small changes 2012-05-23 12:43:14 -03:00
Roberto Ierusalimschy 8e7149f496 detail ('char' should be 'const char') 2012-05-22 15:38:56 -03:00
Roberto Ierusalimschy 086da10dac merge of fields 'lastmajormem' (used in gen. mode) and 'estimate' 
(used in inc. mode)
 2012-05-22 14:50:39 -03:00
Roberto Ierusalimschy b36b4b521f try to avoid sweeping new objects created with new white (and 
therefore not collectable in the current cycle)
 2012-05-22 14:32:25 -03:00
Roberto Ierusalimschy 398811a313 simpler macro 'luaC_condGC' + better 'step' in 'lua_gc' + 
micro bug in 'luaC_checkfinalizer' (current sweep object could be
removed from 'allgc' list)
 2012-05-21 10:18:10 -03:00
Roberto Ierusalimschy 2a66b34f72 revamp of the GC pace control; more like 5.1: any X Kbytes allocated 
makes the GC handle f(X) Kbytes of objects
 2012-05-20 17:36:44 -03:00
Roberto Ierusalimschy ea980fdeef removed 'stringmark' trick 2012-05-14 14:52:56 -03:00
Roberto Ierusalimschy 31829ad177 test for whether collector is running moved from function to 
macro 'luaC_condGC'.
 2012-05-11 16:22:33 -03:00
Roberto Ierusalimschy 3cadc37f47 no more 'Proto' objects on the stack. Protos are anchored on outer 
Protos or on a Closure, which must be created before the Proto.
 2012-05-08 10:53:33 -03:00
Roberto Ierusalimschy a4b96ce9a3 first implementation of long strings 2012-01-25 19:05:40 -02:00
Roberto Ierusalimschy fb6eee2805 Lua never uses Ã'assert' (it is always 'lua_assert') 2012-01-23 20:59:02 -02:00
Roberto Ierusalimschy fd22ccd6d0 object tag keeps variant bits too -> no need for 'isC' field in 
Closures + more strick typing for closure variants
 2012-01-20 20:05:50 -02:00
Roberto Ierusalimschy 01747f2c24 error message: "tag method" -> "metamethod" 2011-12-02 11:18:41 -02:00
Roberto Ierusalimschy 217b65e6d9 avoid some warnings about converting 32-bit shifts into 64-bit results 2011-11-28 15:25:48 -02:00
Roberto Ierusalimschy 788a0ecd27 'luaC_separateudata' renamed to 'separatetobefnz' and called only 
from 'lgc.c'
 2011-10-03 14:54:25 -03:00
Roberto Ierusalimschy bc90cf4b83 retraverse all gray lists together to avoid traversing some weak 
tables twice (as they may change lists when traversed)
 2011-10-03 13:22:05 -03:00
Roberto Ierusalimschy 87912786af dead objects are not collectable. 2011-09-24 18:12:01 -03:00
Roberto Ierusalimschy 95ed6c1127 better(?) scheme for cleaning weak tables; all ressurected objects 
are removed from weak values before finalization
 2011-09-24 18:00:40 -03:00
Roberto Ierusalimschy 45c346645c avoid clearing ephemeron tables that have nothing to be cleaned 
(no white elements)
 2011-09-19 14:03:38 -03:00
Roberto Ierusalimschy 74b0bb3a45 macro 'checkconsistency' moved to this file, as it is used only 
here
 2011-05-05 16:42:25 -03:00
Roberto Ierusalimschy 868ff40339 full collection does not restart collector + avoid changing GC 
state if an error happens in a step
 2010-12-29 16:00:23 -02:00