1berry/ruby
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Update NEWS.md for YJIT [ci skip]

Browse Source 
Reverse-merge Maxime's release notes changes to NEWS.md and added a
couple of things that are not in release notes.
This commit is contained in:
Takashi Kokubun 2023-08-25 12:00:15 -07:00
parent 3525c460f9
commit 4825600da5
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
NEWS.md
View File

@ -123,23 +123,29 @@ changelog for details of the default gems or bundled gems.
### YJIT
* Significant performance improvements over 3.2
* Splat and rest arguments support has been improved.
* Major performance improvements over 3.2
* Support for splat and rest arguments has been improved.
* Registers are allocated for stack operations of the virtual machine.
* More calls with optional arguments are compiled.
* `Integer#!=`, `String#!=`, `Kernel#block_given?`, `Kernel#is_a?`,
`Kernel#instance_of?`, `Module#===` are specially optimized.
* Exception handlers are also compiled.
* Instance variables no longer exit to the interpreter
with megamorphic Object Shapes.
* Unsupported call types no longer exit to the interpreter.
* `Integer#!=`, `String#!=`, `Kernel#block_given?`, `Kernel#is_a?`,
`Kernel#instance_of?`, `Module#===` are specially optimized.
* Now more than 3x faster than the interpreter on optcarrot!
* Metadata for compiled code uses a lot less memory.
* Improved code generation on ARM64
* Generate more compact code on ARM64
* Option to start YJIT in paused mode and then later enable it manually
* `--yjit-pause` and `RubyVM::YJIT.resume`
* This can be used to enable YJIT only once your application is done booting
* `ratio_in_yjit` stat produced by `--yjit-stats` is now avaiable in release builds,
a special stats or dev build is no longer required.
* Exit tracing option now supports sampling
* `--trace-exits-sample-rate=N`
* `--yjit-stats=quiet` is added to avoid printing stats on exit.
* The default value for `--yjit-exec-mem-size` is changed from 64 to 128.
* Multiple bug fixes
* More thorough testing and multiple bug fixes
### RJIT