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422 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
1d8920dd7f some cleaning in GC parameters 2017-10-11 09:38:45 -03:00
Roberto Ierusalimschy
029d269f4d bug: dead keys with nil values can stay in weak tables 2017-08-31 13:14:41 -03:00
Roberto Ierusalimschy
f96497397a new type 'StackValue' for stack elements 
(we may want to put extra info there in the future)
 2017-06-29 12:06:44 -03:00
Roberto Ierusalimschy
73ec04fcf3 no more 'DEADKEY'. Table traversals do not need to consider dead keys; 
if the key is dead, it cannot be given to 'next'. Instead, we now
use a 'table' tag without the collectable bit, which makes it
a unique tag good enough to reserve space.
 2017-06-12 11:21:44 -03:00
Roberto Ierusalimschy
b6f87491af in hash nodes, keys are stored in separate pieces to avoid wasting 
space with alignments
 2017-06-09 13:48:44 -03:00
Roberto Ierusalimschy
4bc33d64de avoid overflows in computation of step size 2017-06-01 16:16:34 -03:00
Roberto Ierusalimschy
72d82a296c revamping the incremental collector 
Some simplifications (not counting bytes, couting only slots visited;
no more 'gcfinnum'); more GC parameters; using vararg in 'lua_gc' to
set parameters in different GC modes
 2017-05-26 16:14:29 -03:00
Roberto Ierusalimschy
2376eb6347 barrier for prototype's cache (with new gray list 'protogray' to keep 
prototypes to have their caches visited again) + constant 'MAXMISS'
 2017-05-04 10:32:01 -03:00
Roberto Ierusalimschy
8634b2a011 added 'cachemiss' field to prototype to avoid wasting time checking 
hits that fail too often
 2017-04-30 17:43:26 -03:00
Roberto Ierusalimschy
f399e6705f ensures that "collectgarbage'step'" in generational mode does a 
minor collection
 2017-04-24 14:52:18 -03:00
Roberto Ierusalimschy
69371c4b84 'KGC_NORMAL' -> 'KGC_INC' + emergency GC signalled by flag (instead 
of mode)
 2017-04-24 13:59:26 -03:00
Roberto Ierusalimschy
c354211744 small bug in generational control 2017-04-20 15:24:33 -03:00
Roberto Ierusalimschy
c7bdc0e0e8 first version of control for the generational collector 2017-04-19 14:02:50 -03:00
Roberto Ierusalimschy
16001acb15 small corrections + removal of debugging functions 'count' and 
'printgray'.
 2017-04-12 15:01:40 -03:00
Roberto Ierusalimschy
0c8a7e071b 'mainthread' lives in 'allgc' list, like everybody else 2017-04-11 16:00:27 -03:00
Roberto Ierusalimschy
a3d36fe283 Upvalues collected like everything else (with mark-sweep) instead 
of reference count (simpler and better for generational mode)
 2017-04-11 15:41:09 -03:00
Roberto Ierusalimschy
9569ad6b0d Comments for generational collector 2017-04-10 10:33:04 -03:00
Roberto Ierusalimschy
2331e1beec small changes in 'luaC_upvalbarrier' 2017-04-06 10:08:56 -03:00
Roberto Ierusalimschy
e4287da3a6 generational collector (still not complete) 2017-04-05 13:50:51 -03:00
Roberto Ierusalimschy
f5f3df3bd1 generational collection: new attempt (still incomplete) 2017-02-23 18:07:34 -03:00
Roberto Ierusalimschy
2a235312f0 detail (removing spaces at end of lines) 2016-12-22 11:08:50 -02:00
Roberto Ierusalimschy
7b1fba69b7 using 'lastfree == NULL' to signal that table is using the dummy 
node for its hash part + new macro 'allocsizenode'
 2016-11-07 10:38:35 -02:00
Roberto Ierusalimschy
138d00176c new flag in 'CallInfo.callstatus' to tell whether function is running 
as a finalizer
 2016-10-19 10:31:42 -02:00
Roberto Ierusalimschy
8d4feb504f do not try to ensure that 'sweepgc' points to a live object 
when entering sweep phase ('entersweep'); that may be too
expensive to be done still inside the atomic step. Walking
one single object more often than not will work.
 2016-03-31 16:02:03 -03:00
Roberto Ierusalimschy
03412af06e detail (removed fixed argument to function 'callallpendingfinalizers') 2015-12-10 16:12:30 -02:00
Roberto Ierusalimschy
7485512384 added comment and assert about dead keys 2015-11-03 16:10:44 -02:00
Roberto Ierusalimschy
ff1289a361 in 'luaD_call', use two functions instead of one with fixed boolean 
argument
 2015-11-02 16:48:07 -02:00
Roberto Ierusalimschy
cd73f3ccc5 now that we have a counter for CallInfos, use it for a more 
accurate value for the memory used by a thread
 2015-11-02 14:19:29 -02:00
Roberto Ierusalimschy
41964648ee long strings are created directly in final position when possible 
(instead of using an auxiliar buffer to first create the string
and then allocate the final string and copy result there)
 2015-09-08 12:41:05 -03:00
Roberto Ierusalimschy
2b61360d82 avoid overflows (detected with 'clang -ftrapv') 2015-07-13 10:30:03 -03:00
Roberto Ierusalimschy
b436ed58a3 'clearapihash' -> 'luaS_clearcache' and moved to 'lstring.c' (which 
keeps all code related to this cache)
 2015-03-25 10:42:19 -03:00
Roberto Ierusalimschy
2ae2e6408e avoid testing for NULL when marking objects that cannot be NULL 2015-03-04 10:51:55 -03:00
Roberto Ierusalimschy
a80cada914 new cache for interning strings 2015-03-04 10:31:21 -03:00
Roberto Ierusalimschy
7e2015a46d size of short strings stored in a single byte, to reduce the size 
of struct 'TString'
 2015-01-16 14:54:37 -02:00
Roberto Ierusalimschy
88ef06f4f3 comments were wrong (not updated about several changes) 2014-12-20 11:58:15 -02:00
Roberto Ierusalimschy
28fdbcf393 added include for 'lprefix.h', for stuff that must be added before 
any other header file
 2014-11-02 17:19:04 -02:00
Roberto Ierusalimschy
4542fb9f78 comments (a few extra quotes around identifiers) 2014-10-30 16:53:28 -02:00
Roberto Ierusalimschy
e9885efc7c added comment and assert about an (impossible) division by zero 2014-10-29 13:02:53 -02:00
Roberto Ierusalimschy
bdf566a8a3 `name' in comments changed to 'name' 2014-10-25 09:50:46 -02:00
Roberto Ierusalimschy
2f4d429071 details (comments) 2014-10-03 09:54:57 -03:00
Roberto Ierusalimschy
3a15c7ce43 size for array part of a table ('sizearray') changed from 'int' to 
'unsigned int', which allows twice as many elements in the array part
 2014-09-04 15:15:29 -03:00
Roberto Ierusalimschy
0a6b58c3aa weak tables that must be retraversed are kept in 'grayagain' list 
until atomic phase (instead of going to their special lists) +
more comments
 2014-09-03 13:54:41 -03:00
Roberto Ierusalimschy
df608f842a 'linktable' -> 'linkgclist' (and used for all links with 'gclist') 2014-09-01 14:37:11 -03:00
Roberto Ierusalimschy
07c7fdb9df simpler definition for 'setobj' (trust the compiler for the assignment) 2014-07-29 13:22:24 -03:00
Roberto Ierusalimschy
3c6d0aaa7d 'iswhite' and related macros now can work directly on any object 
(no need to convert to 'GCObject')
 2014-07-19 12:14:46 -03:00
Roberto Ierusalimschy
e43612aaf6 put the restriction that 'luaC_barrierback' works only on tables 
in its prototype
 2014-07-19 12:09:37 -03:00
Roberto Ierusalimschy
2898e2fd12 removed useless assertion (gcstate != GCSpause already implied by 
other assertions) and wrong assertion (setmetatable uses this barrier
for tables too)
 2014-07-19 11:44:19 -03:00
Roberto Ierusalimschy
bb12903120 type 'Udata' refers directly to structure inside the union (union 
used only for aligning purposes now)
 2014-07-18 11:46:47 -03:00
Roberto Ierusalimschy
ca41b43f53 type 'TString' refers directly to the structure inside the union 
(union used only for size purposes)
 2014-07-18 10:36:14 -03:00
Roberto Ierusalimschy
56137d58ff added check for conversion 'obj2gco' (and corrections for small 
problems detected by this check)
 2014-07-18 09:17:54 -03:00