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2022-03-25Revert "Finer-grained inline constant cache invalidation"Nobuyoshi Nakada
This reverts commits for [Feature #18589]: * 8008fb7352abc6fba433b99bf20763cf0d4adb38 "Update formatting per feedback" * 8f6eaca2e19828e92ecdb28b0fe693d606a03f96 "Delete ID from constant cache table if it becomes empty on ISEQ free" * 629908586b4bead1103267652f8b96b1083573a8 "Finer-grained inline constant cache invalidation" MSWin builds on AppVeyor have been crashing since the merger. Notes: Merged: https://github.com/ruby/ruby/pull/5715 Merged-By: nobu <nobu@ruby-lang.org>
2022-03-24Finer-grained inline constant cache invalidationKevin Newton
Current behavior - caches depend on a global counter. All constant mutations cause caches to be invalidated. ```ruby class A B = 1 end def foo A::B # inline cache depends on global counter end foo # populate inline cache foo # hit inline cache C = 1 # global counter increments, all caches are invalidated foo # misses inline cache due to `C = 1` ``` Proposed behavior - caches depend on name components. Only constant mutations with corresponding names will invalidate the cache. ```ruby class A B = 1 end def foo A::B # inline cache depends constants named "A" and "B" end foo # populate inline cache foo # hit inline cache C = 1 # caches that depend on the name "C" are invalidated foo # hits inline cache because IC only depends on "A" and "B" ``` Examples of breaking the new cache: ```ruby module C # Breaks `foo` cache because "A" constant is set and the cache in foo depends # on "A" and "B" class A; end end B = 1 ``` We expect the new cache scheme to be invalidated less often because names aren't frequently reused. With the cache being invalidated less, we can rely on its stability more to keep our constant references fast and reduce the need to throw away generated code in YJIT. Notes: Merged: https://github.com/ruby/ruby/pull/5433
2022-03-22[Feature #18634] Implement Arrays on Variable Width AllocationPeter Zhu
This commit implements arrays on Variable Width Allocation. This allows longer arrays to be embedded (i.e. contents directly follow the object header) which improves performance through better cache locality. Notes: Merged: https://github.com/ruby/ruby/pull/5660
2022-03-16Honor if `_Bool` is availableNobuyoshi Nakada
`AC_HEADER_STDBOOL` rejects stdbool.h in c2x, which is not conforming to C99. Notes: Merged: https://github.com/ruby/ruby/pull/5666 Merged-By: nobu <nobu@ruby-lang.org>
2022-03-01Wrap ruby_abi_version in `extern "C"` for C++Peter Zhu
Make ruby_abi_version have C linkage so that the symbol can be found in the shared object.
2022-03-01Only define RUBY_DLN_CHECK_ABI when supportedPeter Zhu
2022-03-01[DOC] Fix reference in rb_enc_associate() descriptionLars Kanis
Notes: Merged: https://github.com/ruby/ruby/pull/5534
2022-03-01[DOC] Fix function name in exampleLars Kanis
Notes: Merged: https://github.com/ruby/ruby/pull/5599
2022-02-22[Feature #18249] Implement ABI checkingPeter Zhu
Header file include/ruby/internal/abi.h contains RUBY_ABI_VERSION which is the ABI version. This value should be bumped whenever an ABI incompatible change is introduced. When loading dynamic libraries, Ruby will compare its own `ruby_abi_version` and the `ruby_abi_version` of the loaded library. If these two values don't match it will raise a `LoadError`. This feature can also be turned off by setting the environment variable `RUBY_RUBY_ABI_CHECK=0`. This feature will prevent cases where previously installed native gems fail in unexpected ways due to incompatibility of changes in header files. This will force the developer to recompile their gems to use the same header files as the built Ruby. In Ruby, the ABI version is exposed through `RbConfig::CONFIG["ruby_abi_version"]`. Notes: Merged: https://github.com/ruby/ruby/pull/5474
2022-02-19Check if `__assume` is supportedNobuyoshi Nakada
Notes: Merged: https://github.com/ruby/ruby/pull/5577
2022-02-19Define `HAVE___BUILTIN_UNREACHABLE` instead of `UNREACHABLE`Nobuyoshi Nakada
`UNREACHABLE` in ruby/internal/has/builtin.h is only used as just a flag now, and redefined in ruby/backward/2/assume.h then. Notes: Merged: https://github.com/ruby/ruby/pull/5577
2022-01-20Mark `rb_clear_constant_cache` as internal use onlyNobuyoshi Nakada
In the past, many internal functions are declared in intern.h under include/ruby directory, because there were no headers for internal use.
2022-01-18Don't assume __builtin_bswap32 and __builtin_bswap64 are defined on OpenBSDJeremy Evans
At least OpenBSD/sparc64 doesn't appear to define them, and possibly some other OpenBSD GCC platforms don't (most OpenBSD platforms have already switched to clang).
2022-01-18[Feature #18491] Drop support for HP-UXPeter Zhu
IA64 support was dropped in ticket #15894, so we can drop support for HP-UX. Notes: Merged: https://github.com/ruby/ruby/pull/5457
2022-01-14Suppress possible loss of data warningsNobuyoshi Nakada
Notes: Merged: https://github.com/ruby/ruby/pull/5435
2022-01-13[DOC] Fix a typo in a docNobuyoshi Nakada
2022-01-12Enable Variable Width Allocation by defaultPeter Zhu
Notes: Merged: https://github.com/ruby/ruby/pull/5432
2022-01-12Make embedded string length a long for VWAPeter Zhu
A short (2 bytes) will cause unaligned struct accesses when strings are used as a buffer to directly store binary data. Notes: Merged: https://github.com/ruby/ruby/pull/5432
2022-01-08Revert "Enable Variable Width Allocation by default"Peter Zhu
This reverts commit c365c5921ea26e31c03a85b01ff4c04629abfc10.
2022-01-07Use unsigned short for length of embedded stringsPeter Zhu
Notes: Merged: https://github.com/ruby/ruby/pull/5415
2022-01-07Enable Variable Width Allocation by defaultPeter Zhu
Notes: Merged: https://github.com/ruby/ruby/pull/5413
2022-01-06Revert "Enable Variable Width Allocation by default"Peter Zhu
This reverts commit d4a95428bb244ca8c4a97ad50f3837f191f1f0c3. Notes: Merged: https://github.com/ruby/ruby/pull/5405
2022-01-06Enable Variable Width Allocation by defaultPeter Zhu
Notes: Merged: https://github.com/ruby/ruby/pull/5399
2021-12-30Remove declarations of deprecated functionsNobuyoshi Nakada
Notes: Merged: https://github.com/ruby/ruby/pull/5377
2021-12-26Remove deprecate rb_cData [Bug #18433]Nobuyoshi Nakada
Also enable the warning for T_DATA allocator. Notes: Merged: https://github.com/ruby/ruby/pull/5348
2021-12-26Remove tainted and trusted featuresNobuyoshi Nakada
Already these had been announced to be removed in 3.2. Notes: Merged: https://github.com/ruby/ruby/pull/5348
2021-12-21Improved exception usage/classes.Samuel Williams
Notes: Merged: https://github.com/ruby/ruby/pull/5303
2021-12-11intern/select/posix.h: remove unused parameter from rb_fd_dupYuta Saito
This unused parameter seems to be accidently introduced by https://github.com/ruby/ruby/commit/9e6e39c Notes: Merged: https://github.com/ruby/ruby/pull/5241
2021-12-10Revert zero-check for allocaNobuyoshi Nakada
Something weird results in int-in-bool-context and stringop-overflow warnings.
2021-12-10Fix stack buffer overflowNobuyoshi Nakada
https://hackerone.com/reports/1306859 Notes: Merged: https://github.com/ruby/ruby/pull/5239
2021-11-23Add Class#subclassesJean Boussier
Implements [Feature #18273] Returns an array containing the receiver's direct subclasses without singleton classes. Notes: Merged: https://github.com/ruby/ruby/pull/5045
2021-11-11revival of must_not_null()卜部昌平
Presence of RBIMPL_ATTR_NONNULL let C compilers to eliminate must_not_null(). Because null pointers are not allowed to exist there are no reason to call the function. In reality null pointers are still passed to those functions in a number of ways. Runtime check for them are definitely nice to have. fix [Feature#18280] Notes: Merged: https://github.com/ruby/ruby/pull/5068
2021-11-11rb_file_size: add doxygen卜部昌平
Must not be a bad idea to improve documents. [ci skip]
2021-11-11rb_enc_code_to_mbclen: fix doxygen卜部昌平
Wrong parameter name. [ci skip]
2021-11-11RB_ENCODING_SET_INLINED: fix doxygen卜部昌平
Wrong parameter name. [ci skip]
2021-11-11ENCODING_MASK: fix doxygen link [ci skip]卜部昌平
2021-11-10size_t is not for file sizeNobuyoshi Nakada
2021-11-10IO::Buffer for scheduler interface.Samuel Williams
Notes: Merged: https://github.com/ruby/ruby/pull/4621
2021-11-08[Feature #18290] Deprecate rb_gc_force_recycle and remove ↵Peter Zhu
invalidate_mark_stack_chunk This commit deprecates rb_gc_force_recycle and coverts it to a no-op function. Also removes invalidate_mark_stack_chunk since only rb_gc_force_recycle uses it. Notes: Merged: https://github.com/ruby/ruby/pull/4363
2021-11-02Fix typosNobuyoshi Nakada
2021-10-26Add Class#descendantsJeremy Evans
Doesn't include receiver or singleton classes. Implements [Feature #14394] Co-authored-by: fatkodima <fatkodima123@gmail.com> Co-authored-by: Benoit Daloze <eregontp@gmail.com> Notes: Merged: https://github.com/ruby/ruby/pull/4974 Merged-By: jeremyevans <code@jeremyevans.net>
2021-10-26improve doc coverage [ci skip]卜部昌平
Just split the comment for struct's one and array's one.
2021-10-26just another evidence that @shyouhei is an idiot [ci skip]卜部昌平
(gdb) ptype/o struct RString /* offset | size */ type = struct RString { /* 0 | 16 */ struct RBasic { /* 0 | 8 */ VALUE flags; /* 8 | 8 */ const VALUE klass; /* total size (bytes): 16 */ } basic; /* 16 | 24 */ union { /* 24 */ struct { /* 16 | 8 */ long len; /* 24 | 8 */ char *ptr; /* 32 | 8 */ union { /* 8 */ long capa; /* 8 */ VALUE shared; /* total size (bytes): 8 */ } aux; /* total size (bytes): 24 */ } heap; /* 24 */ struct { /* 16 | 24 */ char ary[24]; /* total size (bytes): 24 */ } embed; /* XXX 8-byte padding */ /* total size (bytes): 24 */ } as; /* total size (bytes): 40 */ } (gdb)
2021-10-25[Feature #18239] Implement VWA for stringsPeter Zhu
This commit adds support for embedded strings with variable capacity and uses Variable Width Allocation to allocate strings. Notes: Merged: https://github.com/ruby/ruby/pull/4933
2021-10-25[Feature #18239] Add struct for embedded stringsPeter Zhu
Notes: Merged: https://github.com/ruby/ruby/pull/4933
2021-10-21Deprecate include/prepend in refinements and add Refinement#import_methods ↵Shugo Maeda
instead Refinement#import_methods imports methods from modules. Unlike Module#include, it copies methods and adds them into the refinement, so the refinement is activated in the imported methods. [Bug #17429] [ruby-core:101639]
2021-10-06Remove duplicate type qualifiersNobuyoshi Nakada
`rb_encoding` is defined as `const OnigEncodingType`. Fix lots of C4114 warnings for each files by MSVC.
2021-10-05Adjust types to rb_enc_left_char_headNobuyoshi Nakada
I dislike unnatural casts.
2021-10-05rb_enc_left_char_head(): take void*卜部昌平
Nobu doesn't like (char*) cast. Notes: Merged: https://github.com/ruby/ruby/pull/4909
2021-10-05include/ruby/encoding.h: convert macros into inline functions卜部昌平
Less macros == huge win. Notes: Merged: https://github.com/ruby/ruby/pull/4909
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