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
	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	PyObject *tmp_assign_source_1;		147	PyObject *tmp_assign_source_1;
	148	PyObject *tmp_assign_source_2;		148	PyObject *tmp_assign_source_2;
	149	PyObject *tmp_assign_source_3;		149	PyObject *tmp_assign_source_3;
n	150	PyObject *tmp_assign_source_4;	n
	151	PyObject *tmp_left_name_1;
	152	PyObject *tmp_return_value;		150	PyObject *tmp_return_value;
n	153	PyObject *tmp_right_name_1;	n
	154	PyObject *tmp_tuple_element_1;		151	PyObject *tmp_tuple_element_1;
	155	NUITKA_MAY_BE_UNUSED PyObject *tmp_unused;		152	NUITKA_MAY_BE_UNUSED PyObject *tmp_unused;
	156	static struct Nuitka_FrameObject *cache_frame_dfff60cb1ffabb2ef108351410f5a158 = NULL;		153	static struct Nuitka_FrameObject *cache_frame_dfff60cb1ffabb2ef108351410f5a158 = NULL;
	157			154
	158	struct Nuitka_FrameObject *frame_dfff60cb1ffabb2ef108351410f5a158;		155	struct Nuitka_FrameObject *frame_dfff60cb1ffabb2ef108351410f5a158;
	270			267
	271	assert( var_t == NULL );		268	assert( var_t == NULL );
	272	Py_INCREF( tmp_assign_source_3 );		269	Py_INCREF( tmp_assign_source_3 );
	273	var_t = tmp_assign_source_3;		270	var_t = tmp_assign_source_3;
	274			271
n	275	tmp_left_name_1 = var_s;	n
	276			272
n	277	CHECK_OBJECT( tmp_left_name_1 );	n	273	#if 0
	278	tmp_right_name_1 = var_t;		274	RESTORE_FRAME_EXCEPTION( frame_dfff60cb1ffabb2ef108351410f5a158 );
				275	#endif
	279			276
n	280	CHECK_OBJECT( tmp_right_name_1 );	n	277	// Put the previous frame back on top.
	281	tmp_assign_source_4 = POWER_OPERATION( tmp_left_name_1, tmp_right_name_1 );		278	popFrameStack();
	282	if ( tmp_assign_source_4 == NULL )
	283	{
	284	assert( ERROR_OCCURRED() );
	285			279
n	286	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );	n	280	goto frame_no_exception_1;
	287			281
n	288		n
	289	exception_lineno = 33;
	290	type_description = "ooo";
	291	goto frame_exception_exit_1;		282	frame_exception_exit_1:;
				283
				284	#if 0
				285	RESTORE_FRAME_EXCEPTION( frame_dfff60cb1ffabb2ef108351410f5a158 );
				286	#endif
				287
				288	if ( exception_tb == NULL )
	292	}		289	{
				290	exception_tb = MAKE_TRACEBACK( frame_dfff60cb1ffabb2ef108351410f5a158, exception_lineno );
	293	{		291	}
	294	PyObject *old = var_t;		292	else if ( exception_tb->tb_frame != &frame_dfff60cb1ffabb2ef108351410f5a158->m_frame )
	295	var_t = tmp_assign_source_4;
	296	Py_XDECREF( old );
	297	}		293	{
				294	exception_tb = ADD_TRACEBACK( exception_tb, frame_dfff60cb1ffabb2ef108351410f5a158, exception_lineno );
				295	}
				296
				297	Nuitka_Frame_AttachLocals( (struct Nuitka_FrameObject *)frame_dfff60cb1ffabb2ef108351410f5a158, type_description ,var_local_value, var_s, var_t );
				298
				299	// Release cached frame.
				300	if ( frame_dfff60cb1ffabb2ef108351410f5a158 == cache_frame_dfff60cb1ffabb2ef108351410f5a158 )
				301	{
				302	Py_DECREF( frame_dfff60cb1ffabb2ef108351410f5a158 );
				303	}
				304	cache_frame_dfff60cb1ffabb2ef108351410f5a158 = NULL;
				305
				306	assertFrameObject( frame_dfff60cb1ffabb2ef108351410f5a158 );
				307
				308
				309	// Put the previous frame back on top.
				310	popFrameStack();
				311
				312	// Return the error.
				313	goto try_except_handler_1;
				314
				315	frame_no_exception_1:;
	298			316
	299	tmp_return_value = PyTuple_New( 3 );		317	tmp_return_value = PyTuple_New( 3 );
	300	tmp_tuple_element_1 = var_s;		318	tmp_tuple_element_1 = var_s;
	301			319
n	302	if ( tmp_tuple_element_1 == NULL )	n	320	CHECK_OBJECT( tmp_tuple_element_1 );
	303	{
	304	Py_DECREF( tmp_return_value );
	305	exception_type = PyExc_UnboundLocalError;
	306	Py_INCREF( exception_type );
	307	exception_value = PyUnicode_FromFormat( "local variable '%s' referenced before assignment", "s" );
	308	exception_tb = NULL;
	309	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
	310	CHAIN_EXCEPTION( exception_value );
	311
	312	exception_lineno = 36;
	313	type_description = "ooo";
	314	goto frame_exception_exit_1;
	315	}
	316
	317	Py_INCREF( tmp_tuple_element_1 );		321	Py_INCREF( tmp_tuple_element_1 );
	318	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );		322	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );
	319	tmp_tuple_element_1 = var_t;		323	tmp_tuple_element_1 = var_t;
	320			324
	321	CHECK_OBJECT( tmp_tuple_element_1 );		325	CHECK_OBJECT( tmp_tuple_element_1 );
	322	Py_INCREF( tmp_tuple_element_1 );		326	Py_INCREF( tmp_tuple_element_1 );
	323	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );		327	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );
	324	tmp_tuple_element_1 = var_local_value;		328	tmp_tuple_element_1 = var_local_value;
	325			329
n	326	if ( tmp_tuple_element_1 == NULL )	n	330	CHECK_OBJECT( tmp_tuple_element_1 );
	327	{
	328	Py_DECREF( tmp_return_value );
	329	exception_type = PyExc_UnboundLocalError;
	330	Py_INCREF( exception_type );
	331	exception_value = PyUnicode_FromFormat( "local variable '%s' referenced before assignment", "local_value" );
	332	exception_tb = NULL;
	333	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
	334	CHAIN_EXCEPTION( exception_value );
	335
	336	exception_lineno = 36;
	337	type_description = "ooo";
	338	goto frame_exception_exit_1;
	339	}
	340
	341	Py_INCREF( tmp_tuple_element_1 );		331	Py_INCREF( tmp_tuple_element_1 );
	342	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );		332	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );
n	343	goto frame_return_exit_1;	n
	344
	345	#if 0
	346	RESTORE_FRAME_EXCEPTION( frame_dfff60cb1ffabb2ef108351410f5a158 );
	347	#endif
	348
	349	// Put the previous frame back on top.
	350	popFrameStack();
	351
	352	goto frame_no_exception_1;
	353
	354	frame_return_exit_1:;
	355	#if 0
	356	RESTORE_FRAME_EXCEPTION( frame_dfff60cb1ffabb2ef108351410f5a158 );
	357	#endif
	358
	359	// Put the previous frame back on top.
	360	popFrameStack();
	361
	362	goto try_return_handler_1;		333	goto try_return_handler_1;
n	363		n
	364	frame_exception_exit_1:;
	365
	366	#if 0
	367	RESTORE_FRAME_EXCEPTION( frame_dfff60cb1ffabb2ef108351410f5a158 );
	368	#endif
	369
	370	if ( exception_tb == NULL )
	371	{
	372	exception_tb = MAKE_TRACEBACK( frame_dfff60cb1ffabb2ef108351410f5a158, exception_lineno );
	373	}
	374	else if ( exception_tb->tb_frame != &frame_dfff60cb1ffabb2ef108351410f5a158->m_frame )
	375	{
	376	exception_tb = ADD_TRACEBACK( exception_tb, frame_dfff60cb1ffabb2ef108351410f5a158, exception_lineno );
	377	}
	378
	379	Nuitka_Frame_AttachLocals( (struct Nuitka_FrameObject *)frame_dfff60cb1ffabb2ef108351410f5a158, type_description ,var_local_value, var_s, var_t );
	380
	381	// Release cached frame.
	382	if ( frame_dfff60cb1ffabb2ef108351410f5a158 == cache_frame_dfff60cb1ffabb2ef108351410f5a158 )
	383	{
	384	Py_DECREF( frame_dfff60cb1ffabb2ef108351410f5a158 );
	385	}
	386	cache_frame_dfff60cb1ffabb2ef108351410f5a158 = NULL;
	387
	388	assertFrameObject( frame_dfff60cb1ffabb2ef108351410f5a158 );
	389
	390
	391	// Put the previous frame back on top.
	392	popFrameStack();
	393
	394	// Return the error.
	395	goto try_except_handler_1;
	396
	397	frame_no_exception_1:;
	398
	399	// tried codes exits in all cases		334	// tried codes exits in all cases
	400	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );		335	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );
	401	return NULL;		336	return NULL;
	402	// Return handler code:		337	// Return handler code:
	403	try_return_handler_1:;		338	try_return_handler_1:;
n			n	339	CHECK_OBJECT( (PyObject *)var_local_value );
	404	Py_XDECREF( var_local_value );		340	Py_DECREF( var_local_value );
	405	var_local_value = NULL;		341	var_local_value = NULL;
	406			342
	407	Py_XDECREF( var_s );		343	Py_XDECREF( var_s );
	408	var_s = NULL;		344	var_s = NULL;
	409			345
	425	Py_XDECREF( var_local_value );		361	Py_XDECREF( var_local_value );
	426	var_local_value = NULL;		362	var_local_value = NULL;
	427			363
	428	Py_XDECREF( var_s );		364	Py_XDECREF( var_s );
	429	var_s = NULL;		365	var_s = NULL;
t	430		t
	431	Py_XDECREF( var_t );
	432	var_t = NULL;
	433			366
	434	// Re-raise.		367	// Re-raise.
	435	exception_type = exception_keeper_type_1;		368	exception_type = exception_keeper_type_1;
	436	exception_value = exception_keeper_value_1;		369	exception_value = exception_keeper_value_1;
	437	exception_tb = exception_keeper_tb_1;		370	exception_tb = exception_keeper_tb_1;