| Commit message (Collapse) | Author | Age | Files | Lines |
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These classes don't belong in gc.c as they're not actually part of the
GC. This commit refactors the code by moving all the code into a
weakmap.c file.
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There are too many mjit_compiler.* files. It was hard to find files.
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This commit adds a `capacity` field to shapes, and adds shape
transitions whenever an object's capacity changes. Objects which are
allocated out of a bigger size pool will also make a transition from the
root shape to the shape with the correct capacity for their size pool
when they are allocated.
This commit will allow us to remove numiv from objects completely, and
will also mean we can guarantee that if two objects share shapes, their
IVs are in the same positions (an embedded and extended object cannot
share shapes). This will enable us to implement ivar sets in YJIT using
object shapes.
Co-Authored-By: Aaron Patterson <tenderlove@ruby-lang.org>
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This reverts commit 9a6803c90b817f70389cae10d60b50ad752da48f.
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This reverts commit 68bc9e2e97d12f80df0d113e284864e225f771c2.
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Object Shapes is used for accessing instance variables and representing the
"frozenness" of objects. Object instances have a "shape" and the shape
represents some attributes of the object (currently which instance variables are
set and the "frozenness"). Shapes form a tree data structure, and when a new
instance variable is set on an object, that object "transitions" to a new shape
in the shape tree. Each shape has an ID that is used for caching. The shape
structure is independent of class, so objects of different types can have the
same shape.
For example:
```ruby
class Foo
def initialize
# Starts with shape id 0
@a = 1 # transitions to shape id 1
@b = 1 # transitions to shape id 2
end
end
class Bar
def initialize
# Starts with shape id 0
@a = 1 # transitions to shape id 1
@b = 1 # transitions to shape id 2
end
end
foo = Foo.new # `foo` has shape id 2
bar = Bar.new # `bar` has shape id 2
```
Both `foo` and `bar` instances have the same shape because they both set
instance variables of the same name in the same order.
This technique can help to improve inline cache hits as well as generate more
efficient machine code in JIT compilers.
This commit also adds some methods for debugging shapes on objects. See
`RubyVM::Shape` for more details.
For more context on Object Shapes, see [Feature: #18776]
Co-Authored-By: Aaron Patterson <tenderlove@ruby-lang.org>
Co-Authored-By: Eileen M. Uchitelle <eileencodes@gmail.com>
Co-Authored-By: John Hawthorn <john@hawthorn.email>
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Revert "* expand tabs. [ci skip]"
This reverts commit 830b5b5c351c5c6efa5ad461ae4ec5085e5f0275.
Revert "This commit implements the Object Shapes technique in CRuby."
This reverts commit 9ddfd2ca004d1952be79cf1b84c52c79a55978f4.
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Object Shapes is used for accessing instance variables and representing the
"frozenness" of objects. Object instances have a "shape" and the shape
represents some attributes of the object (currently which instance variables are
set and the "frozenness"). Shapes form a tree data structure, and when a new
instance variable is set on an object, that object "transitions" to a new shape
in the shape tree. Each shape has an ID that is used for caching. The shape
structure is independent of class, so objects of different types can have the
same shape.
For example:
```ruby
class Foo
def initialize
# Starts with shape id 0
@a = 1 # transitions to shape id 1
@b = 1 # transitions to shape id 2
end
end
class Bar
def initialize
# Starts with shape id 0
@a = 1 # transitions to shape id 1
@b = 1 # transitions to shape id 2
end
end
foo = Foo.new # `foo` has shape id 2
bar = Bar.new # `bar` has shape id 2
```
Both `foo` and `bar` instances have the same shape because they both set
instance variables of the same name in the same order.
This technique can help to improve inline cache hits as well as generate more
efficient machine code in JIT compilers.
This commit also adds some methods for debugging shapes on objects. See
`RubyVM::Shape` for more details.
For more context on Object Shapes, see [Feature: #18776]
Co-Authored-By: Aaron Patterson <tenderlove@ruby-lang.org>
Co-Authored-By: Eileen M. Uchitelle <eileencodes@gmail.com>
Co-Authored-By: John Hawthorn <john@hawthorn.email>
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[Feature #18774]
As well as `SizedQueue#pop(timeout: sec)`
If both `non_block=true` and `timeout:` are supplied, ArgumentError
is raised.
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just less C code to maintain
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Renaming uJIT to YJIT. AKA s/ujit/yjit/g.
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This lets us use libcapstone directly from miniruby so we don't need a
Ruby Gem to to dev work.
Example usage:
```ruby
def foo(x)
if x < 1
"wow"
else
"neat"
end
end
iseq = RubyVM::InstructionSequence.of(method(:foo))
puts UJIT.disasm(iseq)
100.times { foo 1 }
puts UJIT.disasm(iseq)
```
Then in the terminal
```
$ ./miniruby test.rb
== disasm: #<ISeq:foo@test.rb:1 (1,0)-(7,3)> (catch: FALSE)
local table (size: 1, argc: 1 [opts: 0, rest: -1, post: 0, block: -1, kw: -1@-1, kwrest: -1])
[ 1] x@0<Arg>
0000 getlocal_WC_0 x@0 ( 2)[LiCa]
0002 putobject_INT2FIX_1_
0003 opt_lt <calldata!mid:<, argc:1, ARGS_SIMPLE>
0005 branchunless 10
0007 putstring "wow" ( 3)[Li]
0009 leave ( 7)[Re]
0010 putstring "neat" ( 5)[Li]
0012 leave ( 7)[Re]
== ISEQ RANGE: 10 -> 10 ========================================================
0x0: movabs rax, 0x7fe816e2d1a0
0xa: mov qword ptr [rdi], rax
0xd: mov r8, rax
0x10: mov r9, rax
0x13: mov r11, r12
0x16: jmp qword ptr [rax]
== ISEQ RANGE: 0 -> 7 ==========================================================
0x0: mov rax, qword ptr [rdi + 0x20]
0x4: mov rax, qword ptr [rax - 0x18]
0x8: mov qword ptr [rdx], rax
0xb: mov qword ptr [rdx + 8], 3
0x13: movabs rax, 0x7fe817808200
0x1d: test byte ptr [rax + 0x3e6], 1
0x24: jne 0x3ffff7b
0x2a: test byte ptr [rdx], 1
0x2d: je 0x3ffff7b
0x33: test byte ptr [rdx + 8], 1
0x37: je 0x3ffff7b
0x3d: mov rax, qword ptr [rdx]
0x40: cmp rax, qword ptr [rdx + 8]
0x44: movabs rax, 0
0x4e: movabs rcx, 0x14
0x58: cmovl rax, rcx
0x5c: mov qword ptr [rdx], rax
0x5f: test qword ptr [rdx], -9
0x66: jne 0x3ffffd5
```
Make sure to `brew install pkg-config capstone`
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Fixes [Feature #18148]
When set, all the loaded objects are returned as frozen.
If a proc is provided, it is called with the objects already frozen.
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* Rename `rb_scheduler` to `rb_fiber_scheduler`.
* Use public interface if available.
* Use `rb_check_funcall` where possible.
* Don't use `unblock` unless the fiber was non-blocking.
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* Add buffer protocol
* Modify for some review comments
* Per-object buffer availability
* Rename to MemoryView from Buffer and make compilable
* Support integral repeat count in memory view format
* Support 'x' for padding bytes
* Add rb_memory_view_parse_item_format
* Check type in rb_memory_view_register
* Update dependencies in common.mk
* Add test of MemoryView
* Add test of rb_memory_view_init_as_byte_array
* Add native size format test
* Add MemoryView test utilities
* Add test of rb_memory_view_fill_contiguous_strides
* Skip spaces in format string
* Support endianness specifiers
* Update documentation
* Support alignment
* Use RUBY_ALIGNOF
* Fix format parser to follow the pack format
* Support the _ modifier
* Parse count specifiers in get_format_size function.
* Use STRUCT_ALIGNOF
* Fix test
* Fix test
* Fix total size for the case with tail padding
* Fix rb_memory_view_get_item_pointer
* Fix rb_memory_view_parse_item_format again
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pthread_mutex_lock.
It is possible for GC to run during initialisation due to objects being allocated
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This commit introduces Ractor mechanism to run Ruby program in
parallel. See doc/ractor.md for more details about Ractor.
See ticket [Feature #17100] to see the implementation details
and discussions.
[Feature #17100]
This commit does not complete the implementation. You can find
many bugs on using Ractor. Also the specification will be changed
so that this feature is experimental. You will see a warning when
you make the first Ractor with `Ractor.new`.
I hope this feature can help programmers from thread-safety issues.
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A prerequisite to fix https://bugs.ruby-lang.org/issues/15589 with JIT.
This commit alone doesn't make a significant difference yet, but I thought
this commit should be committed independently.
This method override was discussed in [Misc #16961].
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Defer initialization of extension libraries, loading prelude files
and requiring files, and skip if dump options are given.
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These were all deprecated in Ruby 2.7.
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Saves comitters' daily life by avoid #include-ing everything from
internal.h to make each file do so instead. This would significantly
speed up incremental builds.
We take the following inclusion order in this changeset:
1. "ruby/config.h", where _GNU_SOURCE is defined (must be the very
first thing among everything).
2. RUBY_EXTCONF_H if any.
3. Standard C headers, sorted alphabetically.
4. Other system headers, maybe guarded by #ifdef
5. Everything else, sorted alphabetically.
Exceptions are those win32-related headers, which tend not be self-
containing (headers have inclusion order dependencies).
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The script in prelude.rb was embed in MRI to load it (eval this
script at everyboot).
This commit change the loading process of prelude.rb. MRI doesn't
eval a script, but load from compiled binary with builtin feature.
So that Init_prelude() does not load `prelude.rb` now.
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Define a part of GC in gc.rb.
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IO#read/write_nonblock methods are defined in prelude.rb with
special private method __read/write_nonblock to reduce keyword
parameters overhead. We can move them into io.rb with builtin
functions.
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Define RubyVM::AbstractSyntaxTree in ast.rb
with __builtin functions.
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Define TracePoint in trace_point.rb and use __builtin_ syntax.
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Support loading builtin features written in Ruby, which implement
with C builtin functions.
[Feature #16254]
Several features:
(1) Load .rb file at boottime with native binary.
Now, prelude.rb is loaded at boottime. However, this file is contained
into the interpreter as a text format and we need to compile it.
This patch contains a feature to load from binary format.
(2) __builtin_func() in Ruby call func() written in C.
In Ruby file, we can write `__builtin_func()` like method call.
However this is not a method call, but special syntax to call
a function `func()` written in C. C functions should be defined
in a file (same compile unit) which load this .rb file.
Functions (`func` in above example) should be defined with
(a) 1st parameter: rb_execution_context_t *ec
(b) rest parameters (0 to 15).
(c) VALUE return type.
This is very similar requirements for functions used by
rb_define_method(), however `rb_execution_context_t *ec`
is new requirement.
(3) automatic C code generation from .rb files.
tool/mk_builtin_loader.rb creates a C code to load .rb files
needed by miniruby and ruby command. This script is run by
BASERUBY, so *.rb should be written in BASERUBY compatbile
syntax. This script load a .rb file and find all of __builtin_
prefix method calls, and generate a part of C code to export
functions.
tool/mk_builtin_binary.rb creates a C code which contains
binary compiled Ruby files needed by ruby command.
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[Misc #15806]
Closes: https://github.com/ruby/ruby/pull/2128
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[Bug #15784]
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* inits.c: call `Init_vm_postponed_job` first because
postponed_job is used by transient heap.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65628 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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