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Notes:
Merged: https://github.com/ruby/ruby/pull/13317
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- `rb_thread_fd_close` is deprecated and now a no-op.
- IO operations (including close) no longer take a vm-wide lock.
Notes:
Merged-By: ioquatix <[email protected]>
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Notes:
Merged: https://github.com/ruby/ruby/pull/13314
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Notes:
Merged: https://github.com/ruby/ruby/pull/13116
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When the test is repeated 20 or more times in the same process
it's not that unlikely for `rand(100_000)` to return the same thing
twice, causing `TestObjectIdTooComplexClass` to fail.
```
1) Failure:
TestObjectIdTooComplexClass#test_dup_with_id_and_ivar [/tmp/ruby/src/trunk-repeat20-asserts/test/ruby/test_object_id.rb:172]:
Expected #<struct RubyVM::Shape
id=6783,
parent_id=6774,
edge_name=:@___26417,
next_field_index=2,
heap_index=0,
type=1,
capacity=7> to be too_complex?.
```
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The intial complex shape implementation never allowed objects
other than T_OBJECT to become too complex, unless we run out of
shapes.
I don't see any reason to prevent that.
Ref: https://github.com/ruby/ruby/pull/6931
Notes:
Merged: https://github.com/ruby/ruby/pull/13301
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promoted
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There's a lot of warnings when running test_objectspace.rb because of
ObjectSpace._id2ref. For example:
test_objectspace.rb:19: warning: ObjectSpace._id2ref is deprecated
Notes:
Merged: https://github.com/ruby/ruby/pull/13293
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Notes:
Merged: https://github.com/ruby/ruby/pull/13279
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Introduced in: https://github.com/ruby/ruby/pull/13159
Now that there is no longer a unique TOO_COMPLEX shape with
no children, checking `shape->type == TOO_COMPLEX` is incorrect.
Notes:
Merged: https://github.com/ruby/ruby/pull/13280
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And get rid of the `obj_to_id_tbl`
It's no longer needed, the `object_id` is now stored inline
in the object alongside instance variables.
We still need the inverse table in case `_id2ref` is invoked, but
we lazily build it by walking the heap if that happens.
The `object_id` concern is also no longer a GC implementation
concern, but a generic implementation.
Co-Authored-By: Matt Valentine-House <[email protected]>
Notes:
Merged: https://github.com/ruby/ruby/pull/13159
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Ivars will longer be the only thing stored inline
via shapes, so keeping the `iv_index` and `ivptr` names
would be confusing.
Instance variables won't be the only thing stored inline
via shapes, so keeping the `ivptr` name would be confusing.
`field` encompass anything that can be stored in a VALUE array.
Similarly, `gen_ivtbl` becomes `gen_fields_tbl`.
Notes:
Merged: https://github.com/ruby/ruby/pull/13159
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This avoids a heap-use-after-free.
Fixes [Bug #21306]
Notes:
Merged: https://github.com/ruby/ruby/pull/13253
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Check length of array during every iteration, as a #hash method
could truncate the array, resulting in heap-use-after-free.
Fixes [Bug #21305]
Notes:
Merged: https://github.com/ruby/ruby/pull/13253
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... because ISeq#to_binary does not work
Notes:
Merged: https://github.com/ruby/ruby/pull/13225
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If safe navigation instructions happen first, we get a stack
inconsistency error.
Notes:
Merged: https://github.com/ruby/ruby/pull/13205
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Tombstone removal may possibly require allocation, and we're not allowed
to allocate during GC. This commit also renames `set_compact` to
`set_update_references` to differentiate tombstone removal compaction with GC
object compaction.
Co-Authored-By: Max Bernstein <[email protected]>
Co-authored-by: Jean Boussier <[email protected]>
Notes:
Merged: https://github.com/ruby/ruby/pull/13206
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* ZJIT: Disable ZJIT instructions when USE_ZJIT is 0
* Test the order of ZJIT instructions
* Add more jobs that disable JITs
* Show instruction names in the message
Notes:
Merged-By: k0kubun <[email protected]>
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Notes:
Merged: https://github.com/ruby/ruby/pull/13198
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This was missed when adding core Set, because it's handled
implicitly for T_OBJECT.
Keep marshal compatibility between core Set and stdlib Set,
so you can unmarshal core Set with stdlib Set and vice versa.
Co-authored-by: Nobuyoshi Nakada <[email protected]>
Notes:
Merged: https://github.com/ruby/ruby/pull/13185
Merged-By: jeremyevans <[email protected]>
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Clear the ary variable before setting it to nil. Otherwise, if
the previous ary value was somewhere on the stack, all references
in it would be considered live, and the wmap size would be 10000.
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Set has been an autoloaded standard library since Ruby 3.2.
The standard library Set is less efficient than it could be, as it
uses Hash for storage, which stores unnecessary values for each key.
Implementation details:
* Core Set uses a modified version of `st_table`, named `set_table`.
than `s/st_/set_/`, the main difference is that the stored records
do not have values, making them 1/3 smaller. `st_table_entry` stores
`hash`, `key`, and `record` (value), while `set_table_entry` only
stores `hash` and `key`. This results in large sets using ~33% less
memory compared to stdlib Set. For small sets, core Set uses 12% more
memory (160 byte object slot and 64 malloc bytes, while stdlib set
uses 40 for Set and 160 for Hash). More memory is used because
the set_table is embedded and 72 bytes in the object slot are
currently wasted. Hopefully we can make this more efficient and have
it stored in an 80 byte object slot in the future.
* All methods are implemented as cfuncs, except the pretty_print
methods, which were moved to `lib/pp.rb` (which is where the
pretty_print methods for other core classes are defined). As is
typical for core classes, internal calls call C functions and
not Ruby methods. For example, to check if something is a Set,
`rb_obj_is_kind_of` is used, instead of calling `is_a?(Set)` on the
related object.
* Almost all methods use the same algorithm that the pure-Ruby
implementation used. The exception is when calling `Set#divide` with a
block with 2-arity. The pure-Ruby method used tsort to implement this.
I developed an algorithm that only allocates a single intermediate
hash and does not need tsort.
* The `flatten_merge` protected method is no longer necessary, so it
is not implemented (it could be).
* Similar to Hash/Array, subclasses of Set are no longer reflected in
`inspect` output.
* RDoc from stdlib Set was moved to core Set, with minor updates.
This includes a comprehensive benchmark suite for all public Set
methods. As you would expect, the native version is faster in the
vast majority of cases, and multiple times faster in many cases.
There are a few cases where it is significantly slower:
* Set.new with no arguments (~1.6x)
* Set#compare_by_identity for small sets (~1.3x)
* Set#clone for small sets (~1.5x)
* Set#dup for small sets (~1.7x)
These are slower as Set does not currently use the AR table
optimization that Hash does, so a new set_table is initialized for
each call. I'm not sure it's worth the complexity to have an AR
table-like optimization for small sets (for hashes it makes sense,
as small hashes are used everywhere in Ruby).
The rbs and repl_type_completor bundled gems will need updates to
support core Set. The pull request marks them as allowed failures.
This passes all set tests with no changes. The following specs
needed modification:
* Modifying frozen set error message (changed for the better)
* `Set#divide` when passed a 2-arity block no longer yields the same
object as both the first and second argument (this seems like an issue
with the previous implementation).
* Set-like objects that override `is_a?` such that `is_a?(Set)` return
`true` are no longer treated as Set instances.
* `Set.allocate.hash` is no longer the same as `nil.hash`
* `Set#join` no longer calls `Set#to_a` (it calls the underlying C
function).
* `Set#flatten_merge` protected method is not implemented.
Previously, `set.rb` added a `SortedSet` autoload, which loads
`set/sorted_set.rb`. This replaces the `Set` autoload in `prelude.rb`
with a `SortedSet` autoload, but I recommend removing it and
`set/sorted_set.rb`.
This moves `test/set/test_set.rb` to `test/ruby/test_set.rb`,
reflecting that switch to a core class. This does not move the spec
files, as I'm not sure how they should be handled.
Internally, this uses the st_* types and functions as much as
possible, and only adds set_* types and functions as needed.
The underlying set_table implementation is stored in st.c, but
there is no public C-API for it, nor is there one planned, in
order to keep the ability to change the internals going forward.
For internal uses of st_table with Qtrue values, those can
probably be replaced with set_table. To do that, include
internal/set_table.h. To handle symbol visibility (rb_ prefix),
internal/set_table.h uses the same macro approach that
include/ruby/st.h uses.
The Set class (rb_cSet) and all methods are defined in set.c.
There isn't currently a C-API for the Set class, though C-API
functions can be added as needed going forward.
Implements [Feature #21216]
Co-authored-by: Jean Boussier <[email protected]>
Co-authored-by: Oliver Nutter <[email protected]>
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This commit inlines instructions for Class#new. To make this work, we
added a new YARV instructions, `opt_new`. `opt_new` checks whether or
not the `new` method is the default allocator method. If it is, it
allocates the object, and pushes the instance on the stack. If not, the
instruction jumps to the "slow path" method call instructions.
Old instructions:
```
> ruby --dump=insns -e'Object.new'
== disasm: #<ISeq:<main>@-e:1 (1,0)-(1,10)>
0000 opt_getconstant_path <ic:0 Object> ( 1)[Li]
0002 opt_send_without_block <calldata!mid:new, argc:0, ARGS_SIMPLE>
0004 leave
```
New instructions:
```
> ./miniruby --dump=insns -e'Object.new'
== disasm: #<ISeq:<main>@-e:1 (1,0)-(1,10)>
0000 opt_getconstant_path <ic:0 Object> ( 1)[Li]
0002 putnil
0003 swap
0004 opt_new <calldata!mid:new, argc:0, ARGS_SIMPLE>, 11
0007 opt_send_without_block <calldata!mid:initialize, argc:0, FCALL|ARGS_SIMPLE>
0009 jump 14
0011 opt_send_without_block <calldata!mid:new, argc:0, ARGS_SIMPLE>
0013 swap
0014 pop
0015 leave
```
This commit speeds up basic object allocation (`Foo.new`) by 60%, but
classes that take keyword parameters see an even bigger benefit because
no hash is allocated when instantiating the object (3x to 6x faster).
Here is an example that uses `Hash.new(capacity: 0)`:
```
> hyperfine "ruby --disable-gems -e'i = 0; while i < 10_000_000; Hash.new(capacity: 0); i += 1; end'" "./ruby --disable-gems -e'i = 0; while i < 10_000_000; Hash.new(capacity: 0); i += 1; end'"
Benchmark 1: ruby --disable-gems -e'i = 0; while i < 10_000_000; Hash.new(capacity: 0); i += 1; end'
Time (mean ± σ): 1.082 s ± 0.004 s [User: 1.074 s, System: 0.008 s]
Range (min … max): 1.076 s … 1.088 s 10 runs
Benchmark 2: ./ruby --disable-gems -e'i = 0; while i < 10_000_000; Hash.new(capacity: 0); i += 1; end'
Time (mean ± σ): 627.9 ms ± 3.5 ms [User: 622.7 ms, System: 4.8 ms]
Range (min … max): 622.7 ms … 633.2 ms 10 runs
Summary
./ruby --disable-gems -e'i = 0; while i < 10_000_000; Hash.new(capacity: 0); i += 1; end' ran
1.72 ± 0.01 times faster than ruby --disable-gems -e'i = 0; while i < 10_000_000; Hash.new(capacity: 0); i += 1; end'
```
This commit changes the backtrace for `initialize`:
```
aaron@tc ~/g/ruby (inline-new)> cat test.rb
class Foo
def initialize
puts caller
end
end
def hello
Foo.new
end
hello
aaron@tc ~/g/ruby (inline-new)> ruby -v test.rb
ruby 3.4.2 (2025-02-15 revision d2930f8e7a) +PRISM [arm64-darwin24]
test.rb:8:in 'Class#new'
test.rb:8:in 'Object#hello'
test.rb:11:in '<main>'
aaron@tc ~/g/ruby (inline-new)> ./miniruby -v test.rb
ruby 3.5.0dev (2025-03-28T23:59:40Z inline-new c4157884e4) +PRISM [arm64-darwin24]
test.rb:8:in 'Object#hello'
test.rb:11:in '<main>'
```
It also increases memory usage for calls to `new` by 122 bytes:
```
aaron@tc ~/g/ruby (inline-new)> cat test.rb
require "objspace"
class Foo
def initialize
puts caller
end
end
def hello
Foo.new
end
puts ObjectSpace.memsize_of(RubyVM::InstructionSequence.of(method(:hello)))
aaron@tc ~/g/ruby (inline-new)> make runruby
RUBY_ON_BUG='gdb -x ./.gdbinit -p' ./miniruby -I./lib -I. -I.ext/common ./tool/runruby.rb --extout=.ext -- --disable-gems ./test.rb
656
aaron@tc ~/g/ruby (inline-new)> ruby -v test.rb
ruby 3.4.2 (2025-02-15 revision d2930f8e7a) +PRISM [arm64-darwin24]
544
```
Thanks to @ko1 for coming up with this idea!
Co-Authored-By: John Hawthorn <[email protected]>
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```
1) Failure:
TestThread#test_join_argument_conversion [D:/a/ruby/ruby/src/test/ruby/test_thread.rb:249]:
Expected nil (oid=4) to be the same as #<TestThread::Thread:0x000001e9e13bbc18 D:/a/ruby/ruby/src/test/ruby/test_thread.rb:245 run> (oid=3856).
```
https://github.com/ruby/ruby/actions/runs/14636019219/job/41067199813?pr=13169
Notes:
Merged: https://github.com/ruby/ruby/pull/13170
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* Show failing test
* Add second test case
* Add empty NewArray setup
* Update opt_tests and fix NewArray instantiation
* Add code generation for NewArray
* Add NewArray ordering test
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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* Implement JIT-to-JIT calls
* Use a closer dummy address for Arm64
* Revert an obsoleted change
* Revert a few more obsoleted changes
* Fix outdated comments
* Explain PosMarkers for CCall
* s/JIT code/machine code/
* Get rid of ParallelMov
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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A new optimization pass. Also:
- Printing for `Insn::CCall`
- Wrap `ID` and add convenience method for printing, replacing calls to rb_id2name()
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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(https://github.com/Shopify/zjit/pull/87)
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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(https://github.com/Shopify/zjit/pull/72)
* Compile IfFalse instruction
* Add a TODO comment
* Rename *s_len to num_*s
* Run only gen_param() against block.params
* Add a few more tests
* Wrap label indexes with Label
* Compile blocks in reverse post-order
* Simplify a nested test
* s/get_block/block/
* Return a number instead of an iterator
* Clarify the allocator uses disjoint sets of registers
* Use Display for Block and Insn
* Compile IfTrue and Jump
* Avoid resolving Param instructions
* Always compile Insn::Param as basic block arguments
* Remove an obsoleted variable
* Change it back to use find
* Use find for params too
* Use Display more
* Add more tests
* nested if
* if after if
* if elsif else
* loop after loop
* nested loops
* if in loop
* loop in if
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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(https://github.com/Shopify/zjit/pull/63)
* Implement dynamic dispatch for opt_send_without_block
* Rename stack methods
* Fix typos
* More clarification on gen_save_sp()
* Update a comment
* Update a comment about spills
* Rename name to method_name
* Test no-arg and 2-arg method calls
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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* Implement codegen for Test insn
* Update zjit/src/codegen.rs
Co-authored-by: Alan Wu <[email protected]>
---------
Co-authored-by: Alan Wu <[email protected]>
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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(https://github.com/Shopify/zjit/pull/50)
* Implement all basic Fixnum instructions
* Use opnd! macro for other instructions as well
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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(https://github.com/Shopify/zjit/pull/41)
Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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Notes:
Merged: https://github.com/ruby/ruby/pull/13131
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