Construct FunctionCreationGeneratorLocal

Performance Diagrams

Source Code with Construct

module_var = None

def calledRepeatedly():
    # We measure making a local function that will remain unused.
# construct_begin
    def empty():
        yield 1
# construct_alternative



    return empty


for x in xrange(50000):
    calledRepeatedly()

print("OK.")

Source Code without Construct

module_var = None

def calledRepeatedly():
    # We measure making a local function that will remain unused.
# construct_begin


# construct_alternative
    empty = 1
# construct_end

    return empty


for x in xrange(50000):
    calledRepeatedly()

print("OK.")

Context Diff of Source Code

	Construct			Baseline
	21	module_var = None		21	module_var = None
	22			22
	23	def calledRepeatedly():		23	def calledRepeatedly():
	24	# We measure making a local function that will remain unused.		24	# We measure making a local function that will remain unused.
	25	# construct_begin		25	# construct_begin
n	26	def empty():	n
	27	yield 1
	28	# construct_alternative
	29			26
	30			27
t			t	28	# construct_alternative
				29	empty = 1
				30	# construct_end
	31			31
	32	return empty		32	return empty
	33			33
	34			34
	35	for x in xrange(50000):		35	for x in xrange(50000):

Context Diff of Generated Code

	Construct			Baseline
	40	extern PyObject *const_str_plain___file__;		40	extern PyObject *const_str_plain___file__;
	41	extern PyObject *const_int_0;		41	extern PyObject *const_int_0;
	42	static PyObject *const_xrange_0_50000;		42	static PyObject *const_xrange_0_50000;
	43	static PyObject *const_str_plain_empty;		43	static PyObject *const_str_plain_empty;
	44	extern PyObject *const_str_plain_print;		44	extern PyObject *const_str_plain_print;
n	45	static PyObject *const_str_digest_30e4724e0d508bc0c811d26a46d4b6cd;	n
	46	static PyObject *const_int_pos_50000;		45	static PyObject *const_int_pos_50000;
	47	static PyObject *const_tuple_str_digest_5ed1392909ad16e6227b8230f4582352_tuple;		46	static PyObject *const_tuple_str_digest_5ed1392909ad16e6227b8230f4582352_tuple;
	48	static PyObject *const_str_plain_calledRepeatedly;		47	static PyObject *const_str_plain_calledRepeatedly;
	49	static PyObject *const_str_angle_module;		48	static PyObject *const_str_angle_module;
	50	static PyObject *const_str_plain_x;		49	static PyObject *const_str_plain_x;
	65	PyTuple_SET_ITEM( const_tuple_str_plain_empty_tuple, 0, const_str_plain_empty ); Py_INCREF( const_str_plain_empty );		64	PyTuple_SET_ITEM( const_tuple_str_plain_empty_tuple, 0, const_str_plain_empty ); Py_INCREF( const_str_plain_empty );
	66	const_str_digest_5b63a0471072f1791066841d3271527a = UNSTREAM_STRING( &constant_bin[ 16 ], 88, 0 );		65	const_str_digest_5b63a0471072f1791066841d3271527a = UNSTREAM_STRING( &constant_bin[ 16 ], 88, 0 );
	67	const_str_plain_module_var = UNSTREAM_STRING( &constant_bin[ 104 ], 10, 1 );		66	const_str_plain_module_var = UNSTREAM_STRING( &constant_bin[ 104 ], 10, 1 );
	68	const_int_pos_50000 = PyLong_FromUnsignedLong( 50000ul );		67	const_int_pos_50000 = PyLong_FromUnsignedLong( 50000ul );
	69	const_xrange_0_50000 = BUILTIN_XRANGE3( const_int_0, const_int_pos_50000, const_int_pos_1 );		68	const_xrange_0_50000 = BUILTIN_XRANGE3( const_int_0, const_int_pos_50000, const_int_pos_1 );
n	70	const_str_digest_30e4724e0d508bc0c811d26a46d4b6cd = UNSTREAM_STRING( &constant_bin[ 114 ], 31, 0 );	n
	71	const_tuple_str_digest_5ed1392909ad16e6227b8230f4582352_tuple = PyTuple_New( 1 );		69	const_tuple_str_digest_5ed1392909ad16e6227b8230f4582352_tuple = PyTuple_New( 1 );
n	72	const_str_digest_5ed1392909ad16e6227b8230f4582352 = UNSTREAM_STRING( &constant_bin[ 145 ], 3, 0 );	n	70	const_str_digest_5ed1392909ad16e6227b8230f4582352 = UNSTREAM_STRING( &constant_bin[ 114 ], 3, 0 );
	73	PyTuple_SET_ITEM( const_tuple_str_digest_5ed1392909ad16e6227b8230f4582352_tuple, 0, const_str_digest_5ed1392909ad16e6227b8230f4582352 ); Py_INCREF( const_str_digest_5ed1392909ad16e6227b8230f4582352 );		71	PyTuple_SET_ITEM( const_tuple_str_digest_5ed1392909ad16e6227b8230f4582352_tuple, 0, const_str_digest_5ed1392909ad16e6227b8230f4582352 ); Py_INCREF( const_str_digest_5ed1392909ad16e6227b8230f4582352 );
n	74	const_str_plain_calledRepeatedly = UNSTREAM_STRING( &constant_bin[ 114 ], 16, 1 );	n	72	const_str_plain_calledRepeatedly = UNSTREAM_STRING( &constant_bin[ 117 ], 16, 1 );
	75	const_str_angle_module = UNSTREAM_STRING( &constant_bin[ 148 ], 8, 0 );		73	const_str_angle_module = UNSTREAM_STRING( &constant_bin[ 133 ], 8, 0 );
	76	const_str_plain_x = UNSTREAM_STRING( &constant_bin[ 41 ], 1, 1 );		74	const_str_plain_x = UNSTREAM_STRING( &constant_bin[ 41 ], 1, 1 );
	77			75
	78	constants_created = true;		76	constants_created = true;
	79	}		77	}
	80			78
	89	#endif		87	#endif
	90			88
	91	// The module code objects.		89	// The module code objects.
	92	static PyCodeObject *codeobj_8cd872a692d343b929961cd2e31b6d57;		90	static PyCodeObject *codeobj_8cd872a692d343b929961cd2e31b6d57;
	93	static PyCodeObject *codeobj_cdbb9d7aa4e089a16f0c12224cf960b8;		91	static PyCodeObject *codeobj_cdbb9d7aa4e089a16f0c12224cf960b8;
n	94	static PyCodeObject *codeobj_a5ba3017f47530f76042760dd69ae4d2;	n
	95	/* For use in "MainProgram.c". */		92	/* For use in "MainProgram.c". */
	96	PyCodeObject *codeobj_main = NULL;		93	PyCodeObject *codeobj_main = NULL;
	97			94
	98	static void createModuleCodeObjects(void)		95	static void createModuleCodeObjects(void)
	99	{		96	{
	100	module_filename_obj = const_str_digest_5b63a0471072f1791066841d3271527a;		97	module_filename_obj = const_str_digest_5b63a0471072f1791066841d3271527a;
	101	codeobj_8cd872a692d343b929961cd2e31b6d57 = MAKE_CODEOBJ( module_filename_obj, const_str_angle_module, 1, const_tuple_empty, 0, 0, CO_NOFREE );		98	codeobj_8cd872a692d343b929961cd2e31b6d57 = MAKE_CODEOBJ( module_filename_obj, const_str_angle_module, 1, const_tuple_empty, 0, 0, CO_NOFREE );
	102	codeobj_main = codeobj_8cd872a692d343b929961cd2e31b6d57;		99	codeobj_main = codeobj_8cd872a692d343b929961cd2e31b6d57;
	103	codeobj_cdbb9d7aa4e089a16f0c12224cf960b8 = MAKE_CODEOBJ( module_filename_obj, const_str_plain_calledRepeatedly, 23, const_tuple_str_plain_empty_tuple, 0, 0, CO_OPTIMIZED \| CO_NEWLOCALS \| CO_NOFREE );		100	codeobj_cdbb9d7aa4e089a16f0c12224cf960b8 = MAKE_CODEOBJ( module_filename_obj, const_str_plain_calledRepeatedly, 23, const_tuple_str_plain_empty_tuple, 0, 0, CO_OPTIMIZED \| CO_NEWLOCALS \| CO_NOFREE );
n	104	codeobj_a5ba3017f47530f76042760dd69ae4d2 = MAKE_CODEOBJ( module_filename_obj, const_str_plain_empty, 26, const_tuple_empty, 0, 0, CO_GENERATOR \| CO_OPTIMIZED \| CO_NEWLOCALS \| CO_NOFREE );	n
	105	}		101	}
	106			102
	107	// The module function declarations.		103	// The module function declarations.
n	108	static void __main__$$$function_1_calledRepeatedly$$$function_1_empty$$$genobj_1_empty_context( struct Nuitka_GeneratorObject *generator );	n
	109
	110
	111	static PyObject *MAKE_FUNCTION___main__$$$function_1_calledRepeatedly( );		104	static PyObject *MAKE_FUNCTION___main__$$$function_1_calledRepeatedly( );
n	112		n
	113
	114	static PyObject *MAKE_FUNCTION___main__$$$function_1_calledRepeatedly$$$function_1_empty( );
	115			105
	116			106
	117	// The module function definitions.		107	// The module function definitions.
	118	static PyObject impl___main__$$$function_1_calledRepeatedly( struct Nuitka_FunctionObject const self, PyObject **python_pars )		108	static PyObject impl___main__$$$function_1_calledRepeatedly( struct Nuitka_FunctionObject const self, PyObject **python_pars )
	119	{		109	{
	121	#ifndef __NUITKA_NO_ASSERT__		111	#ifndef __NUITKA_NO_ASSERT__
	122	NUITKA_MAY_BE_UNUSED bool had_error = ERROR_OCCURRED();		112	NUITKA_MAY_BE_UNUSED bool had_error = ERROR_OCCURRED();
	123	#endif		113	#endif
	124			114
	125	// Local variable declarations.		115	// Local variable declarations.
n	126	PyObject *var_empty = NULL;	n
	127	PyObject *tmp_assign_source_1;
	128	PyObject *tmp_return_value;		116	PyObject *tmp_return_value;
	129	tmp_return_value = NULL;		117	tmp_return_value = NULL;
	130			118
	131	// Actual function code.		119	// Actual function code.
n	132	tmp_assign_source_1 = MAKE_FUNCTION___main__$$$function_1_calledRepeatedly$$$function_1_empty( );	n	120	tmp_return_value = const_int_pos_1;
	133	assert( var_empty == NULL );
	134	var_empty = tmp_assign_source_1;
	135
	136	// Tried code:
	137	tmp_return_value = var_empty;
	138
	139	CHECK_OBJECT( tmp_return_value );
	140	Py_INCREF( tmp_return_value );		121	Py_INCREF( tmp_return_value );
n	141	goto try_return_handler_1;	n
	142	// tried codes exits in all cases
	143	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );
	144	return NULL;
	145	// Return handler code:
	146	try_return_handler_1:;
	147	CHECK_OBJECT( (PyObject *)var_empty );
	148	Py_DECREF( var_empty );
	149	var_empty = NULL;
	150
	151	goto function_return_exit;		122	goto function_return_exit;
n	152	// End of try:	n
	153			123
	154	// Return statement must have exited already.		124	// Return statement must have exited already.
	155	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );		125	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );
	156	return NULL;		126	return NULL;
	157			127
	159			129
	160	CHECK_OBJECT( tmp_return_value );		130	CHECK_OBJECT( tmp_return_value );
	161	assert( had_error \|\| !ERROR_OCCURRED() );		131	assert( had_error \|\| !ERROR_OCCURRED() );
	162	return tmp_return_value;		132	return tmp_return_value;
	163			133
n	164	}	n
	165
	166
	167	static PyObject impl___main__$$$function_1_calledRepeatedly$$$function_1_empty( struct Nuitka_FunctionObject const self, PyObject **python_pars )
	168	{
	169	// Preserve error status for checks
	170	#ifndef __NUITKA_NO_ASSERT__
	171	NUITKA_MAY_BE_UNUSED bool had_error = ERROR_OCCURRED();
	172	#endif
	173
	174	// Local variable declarations.
	175	PyObject *tmp_return_value;
	176	tmp_return_value = NULL;
	177
	178	// Actual function code.
	179	tmp_return_value = Nuitka_Generator_New(
	180	__main__$$$function_1_calledRepeatedly$$$function_1_empty$$$genobj_1_empty_context,
	181	module___main__,
	182	const_str_plain_empty,
	183	#if PYTHON_VERSION >= 350
	184	const_str_digest_30e4724e0d508bc0c811d26a46d4b6cd,
	185	#endif
	186	codeobj_a5ba3017f47530f76042760dd69ae4d2,
	187	0
	188	);
	189
	190	assert( Py_SIZE( tmp_return_value) >= 0 );
	191
	192
	193	goto function_return_exit;
	194
	195	// Return statement must have exited already.
	196	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly$$$function_1_empty );
	197	return NULL;
	198
	199	function_return_exit:
	200
	201	CHECK_OBJECT( tmp_return_value );
	202	assert( had_error \|\| !ERROR_OCCURRED() );
	203	return tmp_return_value;
	204
	205	}
	206
	207
	208
	209	static void __main__$$$function_1_calledRepeatedly$$$function_1_empty$$$genobj_1_empty_context( struct Nuitka_GeneratorObject *generator )
	210	{
	211	CHECK_OBJECT( (PyObject *)generator );
	212	assert( Nuitka_Generator_Check( (PyObject *)generator ) );
	213
	214	// Local variable initialization
	215	PyObject exception_type = NULL, exception_value = NULL;
	216	PyTracebackObject *exception_tb = NULL;
	217	NUITKA_MAY_BE_UNUSED int exception_lineno = -1;
	218	PyObject *tmp_expression_name_1;
	219	NUITKA_MAY_BE_UNUSED PyObject *tmp_unused;
	220	static struct Nuitka_FrameObject *cache_frame_generator = NULL;
	221
	222
	223	// Actual function code.
	224	MAKE_OR_REUSE_FRAME( cache_frame_generator, codeobj_a5ba3017f47530f76042760dd69ae4d2, module___main__, 0 );
	225	generator->m_frame = cache_frame_generator;
	226
	227	// Mark the frame object as in use, ref count 1 will be up for reuse.
	228	Py_INCREF( generator->m_frame );
	229	assert( Py_REFCNT( generator->m_frame ) == 2 ); // Frame stack
	230
	231	#if PYTHON_VERSION >= 340
	232	generator->m_frame->m_frame.f_gen = (PyObject *)generator;
	233	#endif
	234
	235	Py_CLEAR( generator->m_frame->m_frame.f_back );
	236
	237	generator->m_frame->m_frame.f_back = PyThreadState_GET()->frame;
	238	Py_INCREF( generator->m_frame->m_frame.f_back );
	239
	240	PyThreadState_GET()->frame = &generator->m_frame->m_frame;
	241	Py_INCREF( generator->m_frame );
	242
	243	Nuitka_Frame_MarkAsExecuting( generator->m_frame );
	244
	245	#if PYTHON_VERSION >= 300
	246	// Accept currently existing exception as the one to publish again when we
	247	// yield or yield from.
	248
	249	PyThreadState *thread_state = PyThreadState_GET();
	250
	251	generator->m_frame->m_frame.f_exc_type = thread_state->exc_type;
	252	if ( generator->m_frame->m_frame.f_exc_type == Py_None ) generator->m_frame->m_frame.f_exc_type = NULL;
	253	Py_XINCREF( generator->m_frame->m_frame.f_exc_type );
	254	generator->m_frame->m_frame.f_exc_value = thread_state->exc_value;
	255	Py_XINCREF( generator->m_frame->m_frame.f_exc_value );
	256	generator->m_frame->m_frame.f_exc_traceback = thread_state->exc_traceback;
	257	Py_XINCREF( generator->m_frame->m_frame.f_exc_traceback );
	258	#endif
	259
	260	// Framed code:
	261	tmp_expression_name_1 = const_int_pos_1;
	262	Py_INCREF( tmp_expression_name_1 );
	263	tmp_unused = GENERATOR_YIELD( generator, tmp_expression_name_1 );
	264	if ( tmp_unused == NULL )
	265	{
	266	assert( ERROR_OCCURRED() );
	267
	268	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	269
	270
	271	exception_lineno = 27;
	272
	273	goto frame_exception_exit_1;
	274	}
	275
	276	Nuitka_Frame_MarkAsNotExecuting( generator->m_frame );
	277
	278	#if PYTHON_VERSION >= 300
	279	Py_CLEAR( generator->m_frame->m_frame.f_exc_type );
	280	Py_CLEAR( generator->m_frame->m_frame.f_exc_value );
	281	Py_CLEAR( generator->m_frame->m_frame.f_exc_traceback );
	282	#endif
	283
	284	// Allow re-use of the frame again.
	285	Py_DECREF( generator->m_frame );
	286	goto frame_no_exception_1;
	287
	288	frame_exception_exit_1:;
	289
	290	// If it's not an exit exception, consider and create a traceback for it.
	291	if ( !EXCEPTION_MATCH_GENERATOR( exception_type ) )
	292	{
	293	if ( exception_tb == NULL )
	294	{
	295	exception_tb = MAKE_TRACEBACK( generator->m_frame, exception_lineno );
	296	}
	297	else if ( exception_tb->tb_frame != &generator->m_frame->m_frame )
	298	{
	299	exception_tb = ADD_TRACEBACK( exception_tb, generator->m_frame, exception_lineno );
	300	}
	301
	302	Nuitka_Frame_AttachLocals( (struct Nuitka_FrameObject *)generator->m_frame, "" );
	303
	304	// Release cached frame.
	305	if ( generator->m_frame == cache_frame_generator )
	306	{
	307	Py_DECREF( generator->m_frame );
	308	}
	309	cache_frame_generator = NULL;
	310
	311	assertFrameObject( generator->m_frame );
	312	}
	313
	314	#if PYTHON_VERSION >= 300
	315	Py_CLEAR( generator->m_frame->m_frame.f_exc_type );
	316	Py_CLEAR( generator->m_frame->m_frame.f_exc_value );
	317	Py_CLEAR( generator->m_frame->m_frame.f_exc_traceback );
	318	#endif
	319
	320	Py_DECREF( generator->m_frame );
	321	// Return the error.
	322	goto function_exception_exit;
	323
	324	frame_no_exception_1:;
	325
	326
	327	generator->m_yielded = NULL;
	328	return;
	329
	330	function_exception_exit:
	331	assert( exception_type );
	332	RESTORE_ERROR_OCCURRED( exception_type, exception_value, exception_tb );
	333	generator->m_yielded = NULL;
	334	return;
	335	}		134	}
	336			135
	337			136
	338			137
	339	static PyObject *MAKE_FUNCTION___main__$$$function_1_calledRepeatedly( )		138	static PyObject *MAKE_FUNCTION___main__$$$function_1_calledRepeatedly( )
	343	const_str_plain_calledRepeatedly,		142	const_str_plain_calledRepeatedly,
	344	#if PYTHON_VERSION >= 330		143	#if PYTHON_VERSION >= 330
	345	NULL,		144	NULL,
	346	#endif		145	#endif
	347	codeobj_cdbb9d7aa4e089a16f0c12224cf960b8,		146	codeobj_cdbb9d7aa4e089a16f0c12224cf960b8,
t	348	NULL,	t
	349	#if PYTHON_VERSION >= 300
	350	NULL,
	351	const_dict_empty,
	352	#endif
	353	module___main__,
	354	Py_None,
	355	0
	356	);
	357
	358
	359	return (PyObject *)result;
	360	}
	361
	362
	363
	364	static PyObject *MAKE_FUNCTION___main__$$$function_1_calledRepeatedly$$$function_1_empty( )
	365	{
	366	struct Nuitka_FunctionObject *result = Nuitka_Function_New(
	367	impl___main__$$$function_1_calledRepeatedly$$$function_1_empty,
	368	const_str_plain_empty,
	369	#if PYTHON_VERSION >= 330
	370	const_str_digest_30e4724e0d508bc0c811d26a46d4b6cd,
	371	#endif
	372	codeobj_a5ba3017f47530f76042760dd69ae4d2,
	373	NULL,		147	NULL,
	374	#if PYTHON_VERSION >= 300		148	#if PYTHON_VERSION >= 300
	375	NULL,		149	NULL,
	376	const_dict_empty,		150	const_dict_empty,
	377	#endif		151	#endif