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* Move `define?(@var)` optimization into GC section
* Remove a trailing space.
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Yusuke Endoh 2023-12-16 00:25:00 +09:00
parent 0601bce6fc
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@ -304,7 +304,7 @@ changelog for details of the default gems or bundled gems.
and callback functions (`rb_internal_thread_event_callback`) receive it. and callback functions (`rb_internal_thread_event_callback`) receive it.
https://github.com/ruby/ruby/pull/8885 https://github.com/ruby/ruby/pull/8885
* The following functions are introduced to manipulate Ruby thread local data * The following functions are introduced to manipulate Ruby thread local data
from internal thread event hook APIs (they are introduced since Ruby 3.2). from internal thread event hook APIs (they are introduced since Ruby 3.2).
https://github.com/ruby/ruby/pull/8936 https://github.com/ruby/ruby/pull/8936
* `rb_internal_thread_specific_key_create()` * `rb_internal_thread_specific_key_create()`
* `rb_internal_thread_specific_get()` * `rb_internal_thread_specific_get()`
@ -330,9 +330,7 @@ changelog for details of the default gems or bundled gems.
## Implementation improvements ## Implementation improvements
* `defined?(@ivar)` is optimized with Object Shapes. ### GC / Memory management
### GC
* Major performance improvements over 3.2 * Major performance improvements over 3.2
* Young objects referenced by old objects are no longer immediately * Young objects referenced by old objects are no longer immediately
@ -350,6 +348,7 @@ changelog for details of the default gems or bundled gems.
`Thread::Backtrace`, `Thread::Backtrace::Location`, `File::Stat`, `Method`. `Thread::Backtrace`, `Thread::Backtrace::Location`, `File::Stat`, `Method`.
This makes these classes faster to allocate and free, use less memory and reduce This makes these classes faster to allocate and free, use less memory and reduce
heap fragmentation. heap fragmentation.
* `defined?(@ivar)` is optimized with Object Shapes.
### YJIT ### YJIT