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authorKoichi Sasada <ko1@atdot.net>2021-01-04 18:08:25 +0900
committerKoichi Sasada <ko1@atdot.net>2021-01-05 02:27:58 +0900
commite7fc353f044f9280222ca41b029b1368d2bf2fe3 (patch)
tree3e3a8e464dbc3767d5b71f17675d3f0dba6ac43f /debug_counter.h
parentbf21faec1521540f2be05df400c37600b4316a0f (diff)
enable constant cache on ractors
constant cache `IC` is accessed by non-atomic manner and there are thread-safety issues, so Ruby 3.0 disables to use const cache on non-main ractors. This patch enables it by introducing `imemo_constcache` and allocates it by every re-fill of const cache like `imemo_callcache`. [Bug #17510] Now `IC` only has one entry `IC::entry` and it points to `iseq_inline_constant_cache_entry`, managed by T_IMEMO object. `IC` is atomic data structure so `rb_mjit_before_vm_ic_update()` and `rb_mjit_after_vm_ic_update()` is not needed.
Notes
Notes: Merged: https://github.com/ruby/ruby/pull/4022
Diffstat (limited to 'debug_counter.h')
-rw-r--r--debug_counter.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/debug_counter.h b/debug_counter.h
index 8acca2741d..6dc66ef988 100644
--- a/debug_counter.h
+++ b/debug_counter.h
@@ -309,6 +309,7 @@ RB_DEBUG_COUNTER(obj_imemo_memo)
RB_DEBUG_COUNTER(obj_imemo_parser_strterm)
RB_DEBUG_COUNTER(obj_imemo_callinfo)
RB_DEBUG_COUNTER(obj_imemo_callcache)
+RB_DEBUG_COUNTER(obj_imemo_constcache)
/* ar_table */
RB_DEBUG_COUNTER(artable_hint_hit)