Construct OperationIntegerPower

Performance Diagrams

Source Code with Construct

module_value1 = -1
module_value2 = 17

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    local_value = module_value1

    s = module_value1
    t = module_value2
# construct_begin
    t = s ** t
# construct_end

    return s, t, local_value

import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Source Code without Construct

module_value1 = -1
module_value2 = 17

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    local_value = module_value1

    s = module_value1
    t = module_value2
# construct_begin



    return s, t, local_value

import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Context Diff of Source Code

	Construct			Baseline
	28	local_value = module_value1		28	local_value = module_value1
	29			29
	30	s = module_value1		30	s = module_value1
	31	t = module_value2		31	t = module_value2
	32	# construct_begin		32	# construct_begin
t	33	t = s ** t	t	33
	34	# construct_end		34
	35			35
	36	return s, t, local_value		36	return s, t, local_value
	37			37
	38	import itertools		38	import itertools
	39	for x in itertools.repeat(None, 50000):		39	for x in itertools.repeat(None, 50000):

Context Diff of Generated Code

	Construct			Baseline
	137	NUITKA_MAY_BE_UNUSED PyObject *tmp_unused;		137	NUITKA_MAY_BE_UNUSED PyObject *tmp_unused;
	138	PyObject *exception_type = NULL;		138	PyObject *exception_type = NULL;
	139	PyObject *exception_value = NULL;		139	PyObject *exception_value = NULL;
	140	PyTracebackObject *exception_tb = NULL;		140	PyTracebackObject *exception_tb = NULL;
	141	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;		141	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;
n			n	142	static struct Nuitka_FrameObject *cache_frame_f9ac9f656237d03a7376d0fc59e7b53c = NULL;
	142	PyObject *tmp_return_value = NULL;		143	PyObject *tmp_return_value = NULL;
n	143	static struct Nuitka_FrameObject *cache_frame_f9ac9f656237d03a7376d0fc59e7b53c = NULL;	n
	144	PyObject *exception_keeper_type_1;		144	PyObject *exception_keeper_type_1;
	145	PyObject *exception_keeper_value_1;		145	PyObject *exception_keeper_value_1;
	146	PyTracebackObject *exception_keeper_tb_1;		146	PyTracebackObject *exception_keeper_tb_1;
	147	NUITKA_MAY_BE_UNUSED int exception_keeper_lineno_1;		147	NUITKA_MAY_BE_UNUSED int exception_keeper_lineno_1;
	148			148
	268	assert( var_t == NULL );		268	assert( var_t == NULL );
	269	Py_INCREF( tmp_assign_source_3 );		269	Py_INCREF( tmp_assign_source_3 );
	270	var_t = tmp_assign_source_3;		270	var_t = tmp_assign_source_3;
	271			271
	272	}		272	}
n	273	{	n
	274	PyObject *tmp_assign_source_4;
	275	PyObject *tmp_left_name_1;
	276	PyObject *tmp_right_name_1;
	277	tmp_left_name_1 = var_s;
	278
	279	CHECK_OBJECT( tmp_left_name_1 );
	280	tmp_right_name_1 = var_t;
	281
	282	CHECK_OBJECT( tmp_right_name_1 );
	283	tmp_assign_source_4 = POWER_OPERATION( tmp_left_name_1, tmp_right_name_1 );
	284	if ( tmp_assign_source_4 == NULL )
	285	{
	286	assert( ERROR_OCCURRED() );
	287
	288	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	289
	290
	291	exception_lineno = 33;
	292	type_description_1 = "ooo";
	293	goto frame_exception_exit_1;
	294	}
	295	{
	296	PyObject *old = var_t;
	297	var_t = tmp_assign_source_4;
	298	Py_XDECREF( old );
	299	}
	300
	301	}
	302	{
	303	PyObject *tmp_tuple_element_1;
	304	tmp_tuple_element_1 = var_s;
	305
	306	if ( tmp_tuple_element_1 == NULL )
	307	{
	308
	309	exception_type = PyExc_UnboundLocalError;
	310	Py_INCREF( exception_type );
	311	exception_value = PyUnicode_FromFormat( "local variable '%s' referenced before assignment", "s" );
	312	exception_tb = NULL;
	313	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
	314	CHAIN_EXCEPTION( exception_value );
	315
	316	exception_lineno = 36;
	317	type_description_1 = "ooo";
	318	goto frame_exception_exit_1;
	319	}
	320
	321	tmp_return_value = PyTuple_New( 3 );
	322	Py_INCREF( tmp_tuple_element_1 );
	323	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );
	324	tmp_tuple_element_1 = var_t;
	325
	326	CHECK_OBJECT( tmp_tuple_element_1 );
	327	Py_INCREF( tmp_tuple_element_1 );
	328	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );
	329	tmp_tuple_element_1 = var_local_value;
	330
	331	if ( tmp_tuple_element_1 == NULL )
	332	{
	333	Py_DECREF( tmp_return_value );
	334	exception_type = PyExc_UnboundLocalError;
	335	Py_INCREF( exception_type );
	336	exception_value = PyUnicode_FromFormat( "local variable '%s' referenced before assignment", "local_value" );
	337	exception_tb = NULL;
	338	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
	339	CHAIN_EXCEPTION( exception_value );
	340
	341	exception_lineno = 36;
	342	type_description_1 = "ooo";
	343	goto frame_exception_exit_1;
	344	}
	345
	346	Py_INCREF( tmp_tuple_element_1 );
	347	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );
	348	goto frame_return_exit_1;
	349	}
	350			273
	351	#if 0		274	#if 0
	352	RESTORE_FRAME_EXCEPTION( frame_f9ac9f656237d03a7376d0fc59e7b53c );		275	RESTORE_FRAME_EXCEPTION( frame_f9ac9f656237d03a7376d0fc59e7b53c );
	353	#endif		276	#endif
	354			277
	355	// Put the previous frame back on top.		278	// Put the previous frame back on top.
	356	popFrameStack();		279	popFrameStack();
	357			280
	358	goto frame_no_exception_1;		281	goto frame_no_exception_1;
n	359		n
	360	frame_return_exit_1:;
	361	#if 0
	362	RESTORE_FRAME_EXCEPTION( frame_f9ac9f656237d03a7376d0fc59e7b53c );
	363	#endif
	364
	365	// Put the previous frame back on top.
	366	popFrameStack();
	367
	368	goto try_return_handler_1;
	369			282
	370	frame_exception_exit_1:;		283	frame_exception_exit_1:;
	371			284
	372	#if 0		285	#if 0
	373	RESTORE_FRAME_EXCEPTION( frame_f9ac9f656237d03a7376d0fc59e7b53c );		286	RESTORE_FRAME_EXCEPTION( frame_f9ac9f656237d03a7376d0fc59e7b53c );
	407	// Return the error.		320	// Return the error.
	408	goto try_except_handler_1;		321	goto try_except_handler_1;
	409			322
	410	frame_no_exception_1:;		323	frame_no_exception_1:;
	411			324
n			n	325	{
				326	PyObject *tmp_tuple_element_1;
				327	tmp_tuple_element_1 = var_s;
				328
				329	CHECK_OBJECT( tmp_tuple_element_1 );
				330	tmp_return_value = PyTuple_New( 3 );
				331	Py_INCREF( tmp_tuple_element_1 );
				332	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );
				333	tmp_tuple_element_1 = var_t;
				334
				335	CHECK_OBJECT( tmp_tuple_element_1 );
				336	Py_INCREF( tmp_tuple_element_1 );
				337	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );
				338	tmp_tuple_element_1 = var_local_value;
				339
				340	CHECK_OBJECT( tmp_tuple_element_1 );
				341	Py_INCREF( tmp_tuple_element_1 );
				342	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );
				343	goto try_return_handler_1;
				344	}
	412	// tried codes exits in all cases		345	// tried codes exits in all cases
	413	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );		346	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );
	414	return NULL;		347	return NULL;
	415	// Return handler code:		348	// Return handler code:
	416	try_return_handler_1:;		349	try_return_handler_1:;
	417	{		350	{
n			n	351	CHECK_OBJECT( (PyObject *)var_s );
	418	Py_XDECREF( var_s );		352	Py_DECREF( var_s );
	419	var_s = NULL;		353	var_s = NULL;
	420			354
	421	}		355	}
	422	{		356	{
	423	Py_XDECREF( var_t );		357	Py_XDECREF( var_t );
	444	exception_lineno = 0;		378	exception_lineno = 0;
	445			379
	446	{		380	{
	447	Py_XDECREF( var_s );		381	Py_XDECREF( var_s );
	448	var_s = NULL;		382	var_s = NULL;
t	449		t
	450	}
	451	{
	452	Py_XDECREF( var_t );
	453	var_t = NULL;
	454			383
	455	}		384	}
	456	{		385	{
	457	Py_XDECREF( var_local_value );		386	Py_XDECREF( var_local_value );
	458	var_local_value = NULL;		387	var_local_value = NULL;