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

for x in xrange(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

for x in xrange(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	for x in xrange(50000):		38	for x in xrange(50000):
	39	calledRepeatedly()		39	calledRepeatedly()

Context Diff of Generated Code

	Construct			Baseline
	136	PyTracebackObject *exception_keeper_tb_1;		136	PyTracebackObject *exception_keeper_tb_1;
	137	NUITKA_MAY_BE_UNUSED int exception_keeper_lineno_1;		137	NUITKA_MAY_BE_UNUSED int exception_keeper_lineno_1;
	138	PyObject *tmp_assign_source_1;		138	PyObject *tmp_assign_source_1;
	139	PyObject *tmp_assign_source_2;		139	PyObject *tmp_assign_source_2;
	140	PyObject *tmp_assign_source_3;		140	PyObject *tmp_assign_source_3;
n	141	PyObject *tmp_assign_source_4;	n
	142	PyObject *tmp_left_name_1;
	143	PyObject *tmp_return_value;		141	PyObject *tmp_return_value;
n	144	PyObject *tmp_right_name_1;	n
	145	PyObject *tmp_tuple_element_1;		142	PyObject *tmp_tuple_element_1;
	146	NUITKA_MAY_BE_UNUSED PyObject *tmp_unused;		143	NUITKA_MAY_BE_UNUSED PyObject *tmp_unused;
	147	static struct Nuitka_FrameObject *cache_frame_991537d4879e6143804601a76b70034f = NULL;		144	static struct Nuitka_FrameObject *cache_frame_991537d4879e6143804601a76b70034f = NULL;
	148			145
	149	struct Nuitka_FrameObject *frame_991537d4879e6143804601a76b70034f;		146	struct Nuitka_FrameObject *frame_991537d4879e6143804601a76b70034f;
	261			258
	262	assert( var_t == NULL );		259	assert( var_t == NULL );
	263	Py_INCREF( tmp_assign_source_3 );		260	Py_INCREF( tmp_assign_source_3 );
	264	var_t = tmp_assign_source_3;		261	var_t = tmp_assign_source_3;
	265			262
n	266	tmp_left_name_1 = var_s;	n
	267			263
n	268	CHECK_OBJECT( tmp_left_name_1 );	n	264	#if 0
	269	tmp_right_name_1 = var_t;		265	RESTORE_FRAME_EXCEPTION( frame_991537d4879e6143804601a76b70034f );
				266	#endif
	270			267
n	271	CHECK_OBJECT( tmp_right_name_1 );	n	268	// Put the previous frame back on top.
	272	tmp_assign_source_4 = POWER_OPERATION( tmp_left_name_1, tmp_right_name_1 );		269	popFrameStack();
	273	if ( tmp_assign_source_4 == NULL )
	274	{
	275	assert( ERROR_OCCURRED() );
	276			270
n	277	FETCH_ERROR_OCCURRED( &exception_type, &exception_value, &exception_tb );	n	271	goto frame_no_exception_1;
	278			272
n	279		n
	280	exception_lineno = 33;
	281	type_description = "ooo";
	282	goto frame_exception_exit_1;		273	frame_exception_exit_1:;
				274
				275	#if 0
				276	RESTORE_FRAME_EXCEPTION( frame_991537d4879e6143804601a76b70034f );
				277	#endif
				278
				279	if ( exception_tb == NULL )
	283	}		280	{
				281	exception_tb = MAKE_TRACEBACK( frame_991537d4879e6143804601a76b70034f, exception_lineno );
	284	{		282	}
	285	PyObject *old = var_t;		283	else if ( exception_tb->tb_frame != &frame_991537d4879e6143804601a76b70034f->m_frame )
	286	var_t = tmp_assign_source_4;
	287	Py_XDECREF( old );
	288	}		284	{
				285	exception_tb = ADD_TRACEBACK( exception_tb, frame_991537d4879e6143804601a76b70034f, exception_lineno );
				286	}
				287
				288	Nuitka_Frame_AttachLocals( (struct Nuitka_FrameObject *)frame_991537d4879e6143804601a76b70034f, type_description ,var_local_value, var_s, var_t );
				289
				290	// Release cached frame.
				291	if ( frame_991537d4879e6143804601a76b70034f == cache_frame_991537d4879e6143804601a76b70034f )
				292	{
				293	Py_DECREF( frame_991537d4879e6143804601a76b70034f );
				294	}
				295	cache_frame_991537d4879e6143804601a76b70034f = NULL;
				296
				297	assertFrameObject( frame_991537d4879e6143804601a76b70034f );
				298
				299
				300	// Put the previous frame back on top.
				301	popFrameStack();
				302
				303	// Return the error.
				304	goto try_except_handler_1;
				305
				306	frame_no_exception_1:;
	289			307
	290	tmp_return_value = PyTuple_New( 3 );		308	tmp_return_value = PyTuple_New( 3 );
	291	tmp_tuple_element_1 = var_s;		309	tmp_tuple_element_1 = var_s;
	292			310
n	293	if ( tmp_tuple_element_1 == NULL )	n	311	CHECK_OBJECT( tmp_tuple_element_1 );
	294	{
	295	Py_DECREF( tmp_return_value );
	296	exception_type = PyExc_UnboundLocalError;
	297	Py_INCREF( exception_type );
	298	exception_value = PyUnicode_FromFormat( "local variable '%s' referenced before assignment", "s" );
	299	exception_tb = NULL;
	300	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
	301	CHAIN_EXCEPTION( exception_value );
	302
	303	exception_lineno = 36;
	304	type_description = "ooo";
	305	goto frame_exception_exit_1;
	306	}
	307
	308	Py_INCREF( tmp_tuple_element_1 );		312	Py_INCREF( tmp_tuple_element_1 );
	309	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );		313	PyTuple_SET_ITEM( tmp_return_value, 0, tmp_tuple_element_1 );
	310	tmp_tuple_element_1 = var_t;		314	tmp_tuple_element_1 = var_t;
	311			315
	312	CHECK_OBJECT( tmp_tuple_element_1 );		316	CHECK_OBJECT( tmp_tuple_element_1 );
	313	Py_INCREF( tmp_tuple_element_1 );		317	Py_INCREF( tmp_tuple_element_1 );
	314	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );		318	PyTuple_SET_ITEM( tmp_return_value, 1, tmp_tuple_element_1 );
	315	tmp_tuple_element_1 = var_local_value;		319	tmp_tuple_element_1 = var_local_value;
	316			320
n	317	if ( tmp_tuple_element_1 == NULL )	n	321	CHECK_OBJECT( tmp_tuple_element_1 );
	318	{
	319	Py_DECREF( tmp_return_value );
	320	exception_type = PyExc_UnboundLocalError;
	321	Py_INCREF( exception_type );
	322	exception_value = PyUnicode_FromFormat( "local variable '%s' referenced before assignment", "local_value" );
	323	exception_tb = NULL;
	324	NORMALIZE_EXCEPTION( &exception_type, &exception_value, &exception_tb );
	325	CHAIN_EXCEPTION( exception_value );
	326
	327	exception_lineno = 36;
	328	type_description = "ooo";
	329	goto frame_exception_exit_1;
	330	}
	331
	332	Py_INCREF( tmp_tuple_element_1 );		322	Py_INCREF( tmp_tuple_element_1 );
	333	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );		323	PyTuple_SET_ITEM( tmp_return_value, 2, tmp_tuple_element_1 );
n	334	goto frame_return_exit_1;	n
	335
	336	#if 0
	337	RESTORE_FRAME_EXCEPTION( frame_991537d4879e6143804601a76b70034f );
	338	#endif
	339
	340	// Put the previous frame back on top.
	341	popFrameStack();
	342
	343	goto frame_no_exception_1;
	344
	345	frame_return_exit_1:;
	346	#if 0
	347	RESTORE_FRAME_EXCEPTION( frame_991537d4879e6143804601a76b70034f );
	348	#endif
	349
	350	// Put the previous frame back on top.
	351	popFrameStack();
	352
	353	goto try_return_handler_1;		324	goto try_return_handler_1;
n	354		n
	355	frame_exception_exit_1:;
	356
	357	#if 0
	358	RESTORE_FRAME_EXCEPTION( frame_991537d4879e6143804601a76b70034f );
	359	#endif
	360
	361	if ( exception_tb == NULL )
	362	{
	363	exception_tb = MAKE_TRACEBACK( frame_991537d4879e6143804601a76b70034f, exception_lineno );
	364	}
	365	else if ( exception_tb->tb_frame != &frame_991537d4879e6143804601a76b70034f->m_frame )
	366	{
	367	exception_tb = ADD_TRACEBACK( exception_tb, frame_991537d4879e6143804601a76b70034f, exception_lineno );
	368	}
	369
	370	Nuitka_Frame_AttachLocals( (struct Nuitka_FrameObject *)frame_991537d4879e6143804601a76b70034f, type_description ,var_local_value, var_s, var_t );
	371
	372	// Release cached frame.
	373	if ( frame_991537d4879e6143804601a76b70034f == cache_frame_991537d4879e6143804601a76b70034f )
	374	{
	375	Py_DECREF( frame_991537d4879e6143804601a76b70034f );
	376	}
	377	cache_frame_991537d4879e6143804601a76b70034f = NULL;
	378
	379	assertFrameObject( frame_991537d4879e6143804601a76b70034f );
	380
	381
	382	// Put the previous frame back on top.
	383	popFrameStack();
	384
	385	// Return the error.
	386	goto try_except_handler_1;
	387
	388	frame_no_exception_1:;
	389
	390	// tried codes exits in all cases		325	// tried codes exits in all cases
	391	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );		326	NUITKA_CANNOT_GET_HERE( __main__$$$function_1_calledRepeatedly );
	392	return NULL;		327	return NULL;
	393	// Return handler code:		328	// Return handler code:
	394	try_return_handler_1:;		329	try_return_handler_1:;
n			n	330	CHECK_OBJECT( (PyObject *)var_local_value );
	395	Py_XDECREF( var_local_value );		331	Py_DECREF( var_local_value );
	396	var_local_value = NULL;		332	var_local_value = NULL;
	397			333
	398	Py_XDECREF( var_s );		334	Py_XDECREF( var_s );
	399	var_s = NULL;		335	var_s = NULL;
	400			336
	416	Py_XDECREF( var_local_value );		352	Py_XDECREF( var_local_value );
	417	var_local_value = NULL;		353	var_local_value = NULL;
	418			354
	419	Py_XDECREF( var_s );		355	Py_XDECREF( var_s );
	420	var_s = NULL;		356	var_s = NULL;
t	421		t
	422	Py_XDECREF( var_t );
	423	var_t = NULL;
	424			357
	425	// Re-raise.		358	// Re-raise.
	426	exception_type = exception_keeper_type_1;		359	exception_type = exception_keeper_type_1;
	427	exception_value = exception_keeper_value_1;		360	exception_value = exception_keeper_value_1;
	428	exception_tb = exception_keeper_tb_1;		361	exception_tb = exception_keeper_tb_1;