New submission from junyixie :
under building Python with --with-experimental-isolated-subinterpreters
PyThreadState_IsCurrent use _PyRuntime.gilstate. is shared by multi sub
interpreters.
Use interpreter `gil->last_holder == state` can fix it?
```
static int
PyThreadState_IsCurr
New submission from junyixie :
In _PyStructSequence_InitType, it will check type is initialized.
but when we have multi subinterpreters, type may be initialized expected.
when type already been initialized, should return 0 rather than throw exception.
```c
/* PyTypeObject has already been
Change by junyixie :
--
keywords: +patch
pull_requests: +25516
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/26949
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Change by junyixie :
--
pull_requests: +23738
pull_request: https://github.com/python/cpython/pull/24971
___
Python tracker
<https://bugs.python.org/issue43
Change by junyixie :
--
pull_requests: +23739
pull_request: https://github.com/python/cpython/pull/24972
___
Python tracker
<https://bugs.python.org/issue43
New submission from junyixie :
how to use Tools/c-analyzer/check-c-globals.py?
in readme,
python3 Tools/c-analyzer/check-c-globals.py
/Users/xiejunyi/cpython/Tools/c-analyzer/c_common/tables.py:236: FutureWarning:
Possible nested set at position 12
_COLSPEC_RE = re.compile(textwrap.dedent
junyixie added the comment:
found in must-reslove.sh
function run_capi() {
./python Tools/c-analyzer/c-analyzer.py capi \
--no-progress \
--group-by kind \
--func --inline --macro \
--no-show-empty \
--ignore '' \
$@
}
--
resolution
Change by junyixie :
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resolution: -> wont fix
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New submission from junyixie :
fix _PyRun_SimpleFileObject create __main__ module and cache. Call this
function multiple times, the attributes stored in the module dict will affect
eachother.
create __main__ module, and cache it.
for example.
if we run fileA, call _PyRun_SimpleFileObject
Change by junyixie :
--
keywords: +patch
pull_requests: +23773
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/25023
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New submission from junyixie :
use unicode_state empty string before unicode_init. without define
WITH_DOC_STRINGS.
PyType_Ready call PyUnicode_FromString, if doc string striped, cause crash.
unicode_get_empty() must not be called before _PyUnicode_Init() or after
_PyUnicode_Fini
Change by junyixie :
--
keywords: +patch
pull_requests: +23876
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/25129
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Python tracker
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New submission from junyixie :
_PyRun_SimpleFileObject load __main__ module at cache. Call this function
multiple times, the attributes stored in the module dict will affect eachother.
for example.
if we run test_A.py, call _PyRun_SimpleFileObject will create __main__ module,
test_A.py add
junyixie added the comment:
under building Python with --with-experimental-isolated-subinterpreters
--
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junyixie added the comment:
It seems that there is no continued progress for move static type in heap.This
will make it impossible to continue to achieve sub interpreters parallel. Are
there any plans to try other solutions to the problem?
In my project, i try to slove this problem, It can
Change by junyixie :
--
nosy: +JunyiXie
nosy_count: 7.0 -> 8.0
pull_requests: +23600
pull_request: https://github.com/python/cpython/pull/24821
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junyixie added the comment:
Made two changes:
1. support pymalloc for subinterpreters. each subinterpreter has pymalloc_state
2. _copy_raw_string api alloc memory use PyMem_RawFree and PyMem_RawMalloc.
I extend _xxsubinterpretermodule.c to support call any function in sub
interpreter.
when
junyixie added the comment:
https://github.com/python/cpython/pull/24857
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junyixie added the comment:
github pr
--
keywords: +patch
message_count: 2.0 -> 3.0
pull_requests: +23617
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/24857
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junyixie added the comment:
> malloc pointer in interpreterA and free pointer is usual.
malloc pointer in interpreterA and free pointer in interpreterB is usual.
--
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junyixie added the comment:
> 2. when free memory address, find this address in all interpreter pymalloc
> pool. and free it.(but it need add lock to pymalloc)
when finalize_interp_delete, we need keep interpreter pymalloc pool in linked
list.It will be used when search memory in py
junyixie added the comment:
by the way,
There is no operation to destroy the memory pool in the cpython code. Repeated
creation of the pymalloc pool will cause memory leaks.
--
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junyixie added the comment:
There is a problem:
if we bound pymalloc state with a interpreter.
malloc pointer in interpreterA and free pointer is usual.
it's cause a problem.
when we use PyObject_Free,
1. we look up address in pymalloc pool.
2. if not find, current code will call
Change by junyixie :
--
keywords: +patch
pull_requests: +23691
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/24929
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New submission from junyixie :
fix PyImport_Import use static silly_list under building Python with
--with-experimental-isolated-subinterpreters share silly_list in multi
subinterpreters cause crash.
Under the sub interpreters parallel, PyObject_CallFunction clean stack,
Py_DECREF(stack[i
junyixie added the comment:
Yes, this is an issue under building Python with
--with-experimental-isolated-subinterpreters
--
___
Python tracker
<https://bugs.python.org/issue43
junyixie added the comment:
43551 [Subinterpreters]: PyImport_Import use static silly_list under building
Python with --with-experimental-isolated-subinterpreters share silly_list in
multi subinterpreters cause crash.
https://bugs.python.org/issue43551
--
message_count: 1.0 ->
junyixie added the comment:
grep -E 'static (\w+) \*(\w+) =' $(find . -name "*.c") | wc -l
67 static variable may need fix
➜ cpython git:(master) grep -E 'static (\w+) \*(\w+) =' $(find . -name "*.c")
./PC/winreg.c:static char *failMsg = "bad operand type&q
junyixie added the comment:
fix
./Objects/exceptions.c:static PyObject *print_prefix = NULL;
./Objects/exceptions.c:static PyObject *exec_prefix = NULL;
https://github.com/python/cpython/pull/24965
--
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<ht
Change by junyixie :
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pull_requests: +23726
pull_request: https://github.com/python/cpython/pull/24966
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New submission from junyixie :
use static module variable under building Python with
--with-experimental-isolated-subinterpreters cause crash.
compiler_mod(struct compiler *c, mod_ty mod)
{
PyCodeObject *co;
int addNone = 1;
static PyObject *module;
if (!module
Change by junyixie :
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keywords: +patch
pull_requests: +23720
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/24963
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Change by junyixie :
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pull_requests: +23724
pull_request: https://github.com/python/cpython/pull/24965
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junyixie added the comment:
-> Okay, I will fix these problems first. (Need for my own project)
--
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junyixie added the comment:
Okay, I will fix these problems first. (Need for your own project)
--
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Change by junyixie :
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pull_requests: +23727
pull_request: https://github.com/python/cpython/pull/24968
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Change by junyixie :
--
pull_requests: +23728
pull_request: https://github.com/python/cpython/pull/24969
___
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<https://bugs.python.org/issue43
Change by junyixie :
--
pull_requests: +23729
pull_request: https://github.com/python/cpython/pull/24970
___
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Change by junyixie :
--
keywords: +patch
nosy: +JunyiXie
nosy_count: 1.0 -> 2.0
pull_requests: +23730
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/24971
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junyixie added the comment:
I will fix the static variable problem of frequently used code
--
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___
___
Change by junyixie :
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pull_requests: +23731
pull_request: https://github.com/python/cpython/pull/24972
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junyixie added the comment:
Should Make dtoa bigint free list per-interpreter.
static Bigint *bigint_freelist[Kmax+1]; -> _is { Bigint
*bigint_freelist[Kmax+1]; }
--
message_count: 43.0 -> 44.0
nosy: +JunyiXie
nosy_count: 5.0 -> 6.0
pull_requests: +23587
pull_reque
junyixie added the comment:
https://github.com/python/cpython/pull/24821/commits/9d7681dbd273b5025fd9b19d1be0a1f978a0b12e
--
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Change by junyixie :
--
components: +Subinterpreters -Interpreter Core
title: mutilcorevm: global variable next_version_tag cause method cache bug ->
[Subinterpreters]: global variable next_version_tag cause method cache bug
___
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Change by junyixie :
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keywords: +patch
pull_requests: +23588
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/24822
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junyixie added the comment:
This is a simple fix.
https://github.com/python/cpython/pull/24822/commits/e61ce1dd28a48534ee497aaacb4439193bedfd42
--
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Change by junyixie :
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type: -> crash
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junyixie added the comment:
> Which API should be used in C extensions to be "subinterpreter-safe"? ?>
> Currently, Py_None is a singleton shared by multiple interpreters. > > >
> Should suddenly all C extensions use a new Py_GetNone() function which &
Change by junyixie :
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versions: +Python 3.10
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New submission from junyixie :
https://github.com/ericsnowcurrently/multi-core-python/issues/73
https://github.com/JunyiXie/cpython/commit/820954879fd546fcb29b654d10c424bd47da70ce
changes:
move pymalloc state in obmalloc.h
_is add pymalloc_state
pymalloc_allocxx api use subinterpreter
New submission from junyixie :
type->tp_version_tag = next_version_tag++;
when sub interpreters parallel, next_version_tag++ is thread-unsafe. may cause
different type has same tp_version_tag.
cause method cache bug in _PyType_Lookup
#define MCACHE_HASH_METHOD(type, n
junyixie added the comment:
fix:
only main interpreter fini, clear method cache.
void
_PyType_Fini(PyInterpreterState *interp)
{
if (_Py_IsMainInterpreter(interp)) {
clear_slotdefs();
_PyType_ClearCache(>type_cache);
}
}
when python4.0? type isolate, each interpre
New submission from junyixie :
in multi core cpython project.
when use multi sub interpreters, Type is not safe. Type shared by interpreters.
but isolate type may cause python abi/api change. python 4.0?
temporary solution:
1. add a type lock to guarantee type object safe in multi
junyixie added the comment:
when sub interpreter finalize.
_PyType_ClearCache set next_version_tag = 0.
Type shared between interpreters.
another interpreter assign_version_tag "1" for a type, the type is first assign.
the dealloc interpreter had assign_version_tag "1&qu
New submission from junyixie :
PyInterpreterState_New use thread tstate before set.
PyInterpreterState_New use tstate. but tstate is not set.
tstate will set after PyInterpreterState_New.
PyInterpreterState *interp = PyInterpreterState_New();
if (interp == NULL) {
*tstate_p
Change by junyixie :
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pull_requests: +23420
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/24636
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junyixie added the comment:
PyInterpreterState_New call and use PyThreadState *tstate =
_PyThreadState_GET();
_PyRuntime.gilstate.autoTSSkey has to be initialized before
pthread_getspecific() or pthread_setspecific() can be used.
_PyRuntime.gilstate.autoTSSkey create in _PyGILState_Init
Change by junyixie :
--
title: PyInterpreterState_New use thread tstate before set. -> bpo-43311:
PyInterpreterState_New use thread-specific data tstate before key create .
___
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New submission from junyixie :
test_io.py
```
=
==54932==ERROR: AddressSanitizer: requested allocation size 0x7fff
(0x80001000 after adjustments for alignment, red zones etc.) exceeds
maximum supported size
junyixie added the comment:
ignore test_decimal.py crash backtrace.
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Change by junyixie :
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type: -> crash
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Change by junyixie :
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keywords: +patch
pull_requests: +26742
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/28331
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junyixie added the comment:
About PEP
How is the progress? Where can I track it? Is there any relevant plan?
thanks
--
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junyixie added the comment:
Include/internal/pycore_structseq.h:
10
11
12: PyAPI_FUNC(int) _PyStructSequence_InitType(
13 PyTypeObject *type,
14 PyStructSequence_Desc *desc,
Modules/_cursesmodule.c:
4794 /* ncurses_version */
4795
New submission from junyixie :
wrong:
checking build system type... x86_64-apple-darwin20.5.0
checking host system type... x86_64-apple-darwin20.5.0
expect:
checking build system type... arm-apple-darwin20.5.0
checking host system type... arm-apple-darwin20.5.0
--
components: macOS
junyixie added the comment:
subprocess.Popen([], executable=os.path.join(cpython_dir, "configure"),
cwd=cpython_dir).wait()
--
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junyixie added the comment:
when run pyperformance compile in apple silicon also have this problem
--
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<https://bugs.python.org/issue45
junyixie added the comment:
> What's the architecture for the python binary (run "file $(which python3)" in
> a shell to get this information, excluding the quotes)?
yeah, is x86_64 python executable
.../opt/anaconda3/bin/python3: Mach-O 64-bit e
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