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
	136	NUITKA_MAY_BE_UNUSED char const *type_description_1 = NULL;		136	NUITKA_MAY_BE_UNUSED char const *type_description_1 = NULL;
	137	PyObject *exception_type = NULL;		137	PyObject *exception_type = NULL;
	138	PyObject *exception_value = NULL;		138	PyObject *exception_value = NULL;
	139	PyTracebackObject *exception_tb = NULL;		139	PyTracebackObject *exception_tb = NULL;
	140	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;		140	NUITKA_MAY_BE_UNUSED int exception_lineno = 0;
n			n	141	static struct Nuitka_FrameObject *cache_frame_2d5500d4cbbb2bdae1ce614f0bb7736f = NULL;
	141	PyObject *tmp_return_value = NULL;		142	PyObject *tmp_return_value = NULL;
n	142	static struct Nuitka_FrameObject *cache_frame_2d5500d4cbbb2bdae1ce614f0bb7736f = NULL;	n
	143	PyObject *exception_keeper_type_1;		143	PyObject *exception_keeper_type_1;
	144	PyObject *exception_keeper_value_1;		144	PyObject *exception_keeper_value_1;
	145	PyTracebackObject *exception_keeper_tb_1;		145	PyTracebackObject *exception_keeper_tb_1;
	146	NUITKA_MAY_BE_UNUSED int exception_keeper_lineno_1;		146	NUITKA_MAY_BE_UNUSED int exception_keeper_lineno_1;
	147			147
	274	assert( var_t == NULL );		274	assert( var_t == NULL );
	275	Py_INCREF( tmp_assign_source_3 );		275	Py_INCREF( tmp_assign_source_3 );
	276	var_t = tmp_assign_source_3;		276	var_t = tmp_assign_source_3;
	277			277
	278	}		278	}
n			n	279
				280	#if 0
				281	RESTORE_FRAME_EXCEPTION( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
				282	#endif
				283
				284	// Put the previous frame back on top.
				285	popFrameStack();
				286
				287	goto frame_no_exception_1;
				288
				289	frame_exception_exit_1:;
				290
				291	#if 0
				292	RESTORE_FRAME_EXCEPTION( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
				293	#endif
				294
				295	if ( exception_tb == NULL )
				296	{
				297	exception_tb = MAKE_TRACEBACK( frame_2d5500d4cbbb2bdae1ce614f0bb7736f, exception_lineno );
	279	{		298	}
	280	PyObject *tmp_assign_source_4;		299	else if ( exception_tb->tb_frame != &frame_2d5500d4cbbb2bdae1ce614f0bb7736f->m_frame )
				300	{
				301	exception_tb = ADD_TRACEBACK( exception_tb, frame_2d5500d4cbbb2bdae1ce614f0bb7736f, exception_lineno );
				302	}
				303
				304	// Attachs locals to frame if any.
				305	Nuitka_Frame_AttachLocals(
				306	(struct Nuitka_FrameObject *)frame_2d5500d4cbbb2bdae1ce614f0bb7736f,
				307	type_description_1,
				308	var_s,
				309	var_t,
				310	var_local_value
				311	);
				312
				313
				314	// Release cached frame.
				315	if ( frame_2d5500d4cbbb2bdae1ce614f0bb7736f == cache_frame_2d5500d4cbbb2bdae1ce614f0bb7736f )
				316	{
				317	Py_DECREF( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
				318	}
				319	cache_frame_2d5500d4cbbb2bdae1ce614f0bb7736f = NULL;
				320
				321	assertFrameObject( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
				322
				323	// Put the previous frame back on top.
				324	popFrameStack();
				325
				326	// Return the error.
				327	goto try_except_handler_1;
				328
				329	frame_no_exception_1:;
				330	{
	281	PyObject *tmp_left_name_1;		331	PyObject *tmp_tuple_element_1;
	282	PyObject *tmp_right_name_1;
	283	CHECK_OBJECT( var_s );		332	CHECK_OBJECT( var_s );
n	284	tmp_left_name_1 = var_s;	n
	285	CHECK_OBJECT( var_t );
	286	tmp_right_name_1 = var_t;
	287	tmp_assign_source_4 = POWER_OPERATION( tmp_left_name_1, tmp_right_name_1 );
	288	if ( tmp_assign_source_4 == NULL )
	289	{
	290	assert( ERROR_OCCURRED() );
	291
	292	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );
	293
	294
	295	exception_lineno = 33;
	296	type_description_1 = "ooo";
	297	goto frame_exception_exit_1;
	298	}
	299	{
	300	PyObject *old = var_t;
	301	var_t = tmp_assign_source_4;
	302	Py_XDECREF( old );
	303	}
	304
	305	}
	306	{
	307	PyObject *tmp_tuple_element_1;
	308	if ( var_s == NULL )
	309	{
	310
	311	exception_type = PyExc_UnboundLocalError;
	312	Py_INCREF( exception_type );
	313	exception_value = PyUnicode_FromFormat( "local variable '%s' referenced before assignment", "s" );
	314	exception_tb = NULL;
	315	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
	316	CHAIN_EXCEPTION( exception_value );
	317
	318	exception_lineno = 36;
	319	type_description_1 = "ooo";
	320	goto frame_exception_exit_1;
	321	}
	322
	323	tmp_tuple_element_1 = var_s;		333	tmp_tuple_element_1 = var_s;
	324	tmp_return_value = PyTuple_New( 3 );		334	tmp_return_value = PyTuple_New( 3 );
	325	Py_INCREF( tmp_tuple_element_1 );		335	Py_INCREF( tmp_tuple_element_1 );
	326	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );		336	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );
	327	CHECK_OBJECT( var_t );		337	CHECK_OBJECT( var_t );
	328	tmp_tuple_element_1 = var_t;		338	tmp_tuple_element_1 = var_t;
	329	Py_INCREF( tmp_tuple_element_1 );		339	Py_INCREF( tmp_tuple_element_1 );
	330	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );		340	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );
n	331	if ( var_local_value == NULL )	n	341	CHECK_OBJECT( var_local_value );
	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	tmp_tuple_element_1 = var_local_value;		342	tmp_tuple_element_1 = var_local_value;
	347	Py_INCREF( tmp_tuple_element_1 );		343	Py_INCREF( tmp_tuple_element_1 );
	348	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );		344	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );
n	349	goto frame_return_exit_1;	n
	350	}
	351
	352	#if 0
	353	RESTORE_FRAME_EXCEPTION( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
	354	#endif
	355
	356	// Put the previous frame back on top.
	357	popFrameStack();
	358
	359	goto frame_no_exception_1;
	360
	361	frame_return_exit_1:;
	362	#if 0
	363	RESTORE_FRAME_EXCEPTION( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
	364	#endif
	365
	366	// Put the previous frame back on top.
	367	popFrameStack();
	368
	369	goto try_return_handler_1;		345	goto try_return_handler_1;
n	370		n
	371	frame_exception_exit_1:;
	372
	373	#if 0
	374	RESTORE_FRAME_EXCEPTION( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
	375	#endif
	376
	377	if ( exception_tb == NULL )
	378	{		346	}
	379	exception_tb = MAKE_TRACEBACK( frame_2d5500d4cbbb2bdae1ce614f0bb7736f, exception_lineno );
	380	}
	381	else if ( exception_tb->tb_frame != &frame_2d5500d4cbbb2bdae1ce614f0bb7736f->m_frame )
	382	{
	383	exception_tb = ADD_TRACEBACK( exception_tb, frame_2d5500d4cbbb2bdae1ce614f0bb7736f, exception_lineno );
	384	}
	385
	386	// Attachs locals to frame if any.
	387	Nuitka_Frame_AttachLocals(
	388	(struct Nuitka_FrameObject *)frame_2d5500d4cbbb2bdae1ce614f0bb7736f,
	389	type_description_1,
	390	var_s,
	391	var_t,
	392	var_local_value
	393	);
	394
	395
	396	// Release cached frame.
	397	if ( frame_2d5500d4cbbb2bdae1ce614f0bb7736f == cache_frame_2d5500d4cbbb2bdae1ce614f0bb7736f )
	398	{
	399	Py_DECREF( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
	400	}
	401	cache_frame_2d5500d4cbbb2bdae1ce614f0bb7736f = NULL;
	402
	403	assertFrameObject( frame_2d5500d4cbbb2bdae1ce614f0bb7736f );
	404
	405	// Put the previous frame back on top.
	406	popFrameStack();
	407
	408	// Return the error.
	409	goto try_except_handler_1;
	410
	411	frame_no_exception_1:;
	412	// tried codes exits in all cases		347	// tried codes exits in all cases
	413	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );		348	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );
	414	return NULL;		349	return NULL;
	415	// Return handler code:		350	// Return handler code:
	416	try_return_handler_1:;		351	try_return_handler_1:;
	417	{		352	{
n			n	353	CHECK_OBJECT( (PyObject *)var_s );
	418	Py_XDECREF( var_s );		354	Py_DECREF( var_s );
	419	var_s = NULL;		355	var_s = NULL;
	420			356
	421	}		357	}
	422	{		358	{
	423	Py_XDECREF( var_t );		359	Py_XDECREF( var_t );
	444	exception_lineno = 0;		380	exception_lineno = 0;
	445			381
	446	{		382	{
	447	Py_XDECREF( var_s );		383	Py_XDECREF( var_s );
	448	var_s = NULL;		384	var_s = NULL;
t	449		t
	450	}
	451	{
	452	Py_XDECREF( var_t );
	453	var_t = NULL;
	454			385
	455	}		386	}
	456	{		387	{
	457	Py_XDECREF( var_local_value );		388	Py_XDECREF( var_local_value );
	458	var_local_value = NULL;		389	var_local_value = NULL;