diff options
author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-10-11 11:45:38 +0000 |
---|---|---|
committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-10-11 11:45:38 +0000 |
commit | f44b0e5b4fbeb58fa1b5cff2be44c359f9438cf7 (patch) | |
tree | c40e617a9dcc062f5ffdfde5ecc8ea53addc409f /parse.y | |
parent | 73e014407f6a464284ac76c44a6985ea64a089e1 (diff) | |
download | ruby-f44b0e5b4fbeb58fa1b5cff2be44c359f9438cf7.tar.gz |
* gc.c, parse.y: support generational Symbol relatetd marking.
Each symbols has String objects respectively to represent
Symbols.
These objects are marked only when:
* full marking
* new symbols are added
This hack reduce symbols (related strings) marking time.
For example, on my Linux environment, the following code
"20_000_000.times{''}"
with 40k symbols (similar symbol number on Rails 3.2.14 app,
@jugyo tells me) boosts, from 7.3sec to 4.2sec.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43255 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 15 |
1 files changed, 11 insertions, 4 deletions
@@ -10183,6 +10183,7 @@ static struct symbols { st_table *id_ivar2; #endif VALUE op_sym[tLAST_OP_ID]; + int minor_marked; } global_symbols = {tLAST_TOKEN}; static const struct st_hash_type symhash = { @@ -10237,11 +10238,14 @@ Init_sym(void) } void -rb_gc_mark_symbols(void) +rb_gc_mark_symbols(int full_marking) { - rb_mark_tbl(global_symbols.id_str); - rb_gc_mark_locations(global_symbols.op_sym, - global_symbols.op_sym + numberof(global_symbols.op_sym)); + if (full_marking || global_symbols.minor_marked == 0) { + rb_mark_tbl(global_symbols.id_str); + rb_gc_mark_locations(global_symbols.op_sym, + global_symbols.op_sym + numberof(global_symbols.op_sym)); + global_symbols.minor_marked = 1; + } } #endif /* !RIPPER */ @@ -10425,6 +10429,7 @@ register_symid_str(ID id, VALUE str) st_add_direct(global_symbols.sym_id, (st_data_t)str, id); st_add_direct(global_symbols.id_str, id, (st_data_t)str); + global_symbols.minor_marked = 0; return id; } @@ -10628,6 +10633,7 @@ rb_id2str(ID id) str = rb_usascii_str_new(name, 1); OBJ_FREEZE(str); global_symbols.op_sym[i] = str; + global_symbols.minor_marked = 0; } return str; } @@ -10638,6 +10644,7 @@ rb_id2str(ID id) str = rb_usascii_str_new2(op_tbl[i].name); OBJ_FREEZE(str); global_symbols.op_sym[i] = str; + global_symbols.minor_marked = 0; } return str; } |