diff options
-rw-r--r-- | Python/specialize.c | 51 | ||||
-rw-r--r-- | Tools/scripts/summarize_stats.py | 15 |
2 files changed, 39 insertions, 27 deletions
diff --git a/Python/specialize.c b/Python/specialize.c index 678c5d6..4fa2c2f 100644 --- a/Python/specialize.c +++ b/Python/specialize.c @@ -307,6 +307,7 @@ _PyCode_Quicken(PyCodeObject *code) #define SPEC_FAIL_NOT_PY_FUNCTION 7 +#define SPEC_FAIL_LOAD_GLOBAL_NON_DICT 17 #define SPEC_FAIL_LOAD_GLOBAL_NON_STRING_OR_SPLIT 18 /* Attributes */ @@ -332,6 +333,8 @@ _PyCode_Quicken(PyCodeObject *code) #define SPEC_FAIL_ATTR_INSTANCE_ATTRIBUTE 26 #define SPEC_FAIL_ATTR_METACLASS_ATTRIBUTE 27 #define SPEC_FAIL_ATTR_PROPERTY_NOT_PY_FUNCTION 28 +#define SPEC_FAIL_ATTR_NOT_IN_KEYS 29 +#define SPEC_FAIL_ATTR_NOT_IN_DICT 30 /* Binary subscr and store subscr */ @@ -448,41 +451,44 @@ static bool function_check_args(PyObject *o, int expected_argcount, int opcode); static uint32_t function_get_version(PyObject *o, int opcode); static int -specialize_module_load_attr(PyObject *owner, _Py_CODEUNIT *instr, - PyObject *name, int opcode, int opcode_module) -{ +specialize_module_load_attr( + PyObject *owner, _Py_CODEUNIT *instr, PyObject *name +) { _PyAttrCache *cache = (_PyAttrCache *)(instr + 1); PyModuleObject *m = (PyModuleObject *)owner; assert((owner->ob_type->tp_flags & Py_TPFLAGS_MANAGED_DICT) == 0); PyDictObject *dict = (PyDictObject *)m->md_dict; if (dict == NULL) { - SPECIALIZATION_FAIL(opcode, SPEC_FAIL_NO_DICT); + SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_NO_DICT); return -1; } if (dict->ma_keys->dk_kind != DICT_KEYS_UNICODE) { - SPECIALIZATION_FAIL(opcode, SPEC_FAIL_ATTR_NON_STRING_OR_SPLIT); + SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_NON_STRING_OR_SPLIT); return -1; } Py_ssize_t index = _PyDict_LookupIndex(dict, &_Py_ID(__getattr__)); assert(index != DKIX_ERROR); if (index != DKIX_EMPTY) { - SPECIALIZATION_FAIL(opcode, SPEC_FAIL_ATTR_MODULE_ATTR_NOT_FOUND); + SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_MODULE_ATTR_NOT_FOUND); return -1; } index = _PyDict_LookupIndex(dict, name); assert (index != DKIX_ERROR); if (index != (uint16_t)index) { - SPECIALIZATION_FAIL(opcode, SPEC_FAIL_OUT_OF_RANGE); + SPECIALIZATION_FAIL(LOAD_ATTR, + index == DKIX_EMPTY ? + SPEC_FAIL_ATTR_MODULE_ATTR_NOT_FOUND : + SPEC_FAIL_OUT_OF_RANGE); return -1; } uint32_t keys_version = _PyDictKeys_GetVersionForCurrentState(dict->ma_keys); if (keys_version == 0) { - SPECIALIZATION_FAIL(opcode, SPEC_FAIL_OUT_OF_VERSIONS); + SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_OUT_OF_VERSIONS); return -1; } write_u32(cache->version, keys_version); cache->index = (uint16_t)index; - _py_set_opocde(instr, opcode_module); + _py_set_opocde(instr, LOAD_ATTR_MODULE); return 0; } @@ -629,7 +635,10 @@ specialize_dict_access( Py_ssize_t index = _PyDictKeys_StringLookup(keys, name); assert (index != DKIX_ERROR); if (index != (uint16_t)index) { - SPECIALIZATION_FAIL(base_op, SPEC_FAIL_OUT_OF_RANGE); + SPECIALIZATION_FAIL(base_op, + index == DKIX_EMPTY ? + SPEC_FAIL_ATTR_NOT_IN_KEYS : + SPEC_FAIL_OUT_OF_RANGE); return 0; } write_u32(cache->version, type->tp_version_tag); @@ -646,7 +655,10 @@ specialize_dict_access( Py_ssize_t index = _PyDict_LookupIndex(dict, name); if (index != (uint16_t)index) { - SPECIALIZATION_FAIL(base_op, SPEC_FAIL_OUT_OF_RANGE); + SPECIALIZATION_FAIL(base_op, + index == DKIX_EMPTY ? + SPEC_FAIL_ATTR_NOT_IN_DICT : + SPEC_FAIL_OUT_OF_RANGE); return 0; } cache->index = (uint16_t)index; @@ -674,8 +686,7 @@ _Py_Specialize_LoadAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name) goto fail; } if (PyModule_CheckExact(owner)) { - if (specialize_module_load_attr(owner, instr, name, LOAD_ATTR, - LOAD_ATTR_MODULE)) + if (specialize_module_load_attr(owner, instr, name)) { goto fail; } @@ -702,7 +713,9 @@ _Py_Specialize_LoadAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name) goto success; } } - SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_METHOD); + else { + SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_METHOD); + } goto fail; } case PROPERTY: @@ -1076,7 +1089,6 @@ PyObject *descr, DescriptorClassification kind) */ write_u32(cache->type_version, owner_cls->tp_version_tag); write_obj(cache->descr, descr); - // Fall through. return 1; fail: return 0; @@ -1092,6 +1104,7 @@ _Py_Specialize_LoadGlobal( _PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)(instr + 1); assert(PyUnicode_CheckExact(name)); if (!PyDict_CheckExact(globals)) { + SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_LOAD_GLOBAL_NON_DICT); goto fail; } PyDictKeysObject * globals_keys = ((PyDictObject *)globals)->ma_keys; @@ -1101,15 +1114,17 @@ _Py_Specialize_LoadGlobal( } Py_ssize_t index = _PyDictKeys_StringLookup(globals_keys, name); if (index == DKIX_ERROR) { - SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_LOAD_GLOBAL_NON_STRING_OR_SPLIT); + SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_EXPECTED_ERROR); goto fail; } if (index != DKIX_EMPTY) { if (index != (uint16_t)index) { + SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_RANGE); goto fail; } uint32_t keys_version = _PyDictKeys_GetVersionForCurrentState(globals_keys); if (keys_version == 0) { + SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_VERSIONS); goto fail; } cache->index = (uint16_t)index; @@ -1118,6 +1133,7 @@ _Py_Specialize_LoadGlobal( goto success; } if (!PyDict_CheckExact(builtins)) { + SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_LOAD_GLOBAL_NON_DICT); goto fail; } PyDictKeysObject * builtin_keys = ((PyDictObject *)builtins)->ma_keys; @@ -1127,10 +1143,11 @@ _Py_Specialize_LoadGlobal( } index = _PyDictKeys_StringLookup(builtin_keys, name); if (index == DKIX_ERROR) { - SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_LOAD_GLOBAL_NON_STRING_OR_SPLIT); + SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_EXPECTED_ERROR); goto fail; } if (index != (uint16_t)index) { + SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_RANGE); goto fail; } uint32_t globals_version = _PyDictKeys_GetVersionForCurrentState(globals_keys); diff --git a/Tools/scripts/summarize_stats.py b/Tools/scripts/summarize_stats.py index c30a60e..81b06f9 100644 --- a/Tools/scripts/summarize_stats.py +++ b/Tools/scripts/summarize_stats.py @@ -32,7 +32,7 @@ for name in opcode.opname[1:]: opmap = {name: i for i, name in enumerate(opname)} opmap = dict(sorted(opmap.items())) -TOTAL = "specialization.deferred", "specialization.hit", "specialization.miss", "execution_count" +TOTAL = "specialization.hit", "specialization.miss", "execution_count" def format_ratio(num, den): """ @@ -90,7 +90,7 @@ def calculate_specialization_stats(family_stats, total): if key in ("specialization.hit", "specialization.miss"): label = key[len("specialization."):] elif key == "execution_count": - label = "unquickened" + continue elif key in ("specialization.success", "specialization.failure", "specializable"): continue elif key.startswith("pair"): @@ -115,7 +115,7 @@ def calculate_specialization_success_failure(family_stats): def calculate_specialization_failure_kinds(name, family_stats, defines): total_failures = family_stats.get("specialization.failure", 0) - failure_kinds = [ 0 ] * 30 + failure_kinds = [ 0 ] * 40 for key in family_stats: if not key.startswith("specialization.failure_kind"): continue @@ -224,7 +224,7 @@ def pretty(defname): return defname.replace("_", " ").lower() def kind_to_text(kind, defines, opname): - if kind < 7: + if kind <= 7: return pretty(defines[kind][0]) if opname.endswith("ATTR"): opname = "ATTR" @@ -241,10 +241,7 @@ def categorized_counts(opcode_stats): not_specialized = 0 specialized_instructions = { op for op in opcode._specialized_instructions - if "__" not in op and "ADAPTIVE" not in op} - adaptive_instructions = { - op for op in opcode._specialized_instructions - if "ADAPTIVE" in op} + if "__" not in op} for i, opcode_stat in enumerate(opcode_stats): if "execution_count" not in opcode_stat: continue @@ -252,8 +249,6 @@ def categorized_counts(opcode_stats): name = opname[i] if "specializable" in opcode_stat: not_specialized += count - elif name in adaptive_instructions: - not_specialized += count elif name in specialized_instructions: miss = opcode_stat.get("specialization.miss", 0) not_specialized += miss |