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ruby--ruby/tool/ruby_vm
Koichi Sasada e7fc353f04 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.
2021-01-05 02:27:58 +09:00
..
controllers
helpers
loaders
models Lazily move PC with RUBY_VM_CHECK_INTS 2020-12-16 23:06:28 -08:00
scripts
tests
views enable constant cache on ractors 2021-01-05 02:27:58 +09:00