Pystats results

benchmark: deepcopy
fork: python
ref: a19bb261a327e1008f219b62f6465941c981899b
commit hash: a19bb26
commit date: 2024-06-15T19:10:50+00:00

Execution counts

Execution counts for Tier 1 instructions.

The "miss ratio" column shows the percentage of times the instruction executed that it deoptimized. When this happens, the base unspecialized instruction is not counted.

Name	Count	Self	Cumulative	Miss ratio
LOAD_FAST	240,801,580	18.5%	18.5%
STORE_FAST	126,204,280	9.7%	28.2%
LOAD_FAST_LOAD_FAST	112,805,680	8.7%	36.9%
RETURN_VALUE	63,735,600	4.9%	41.8%
LOAD_GLOBAL_BUILTIN	55,742,960	4.3%	46.1%
ENTER_EXECUTOR	52,524,060	4.0%	50.1%
RESUME_CHECK	50,721,820	3.9%	54.0%
IS_OP	48,048,620	3.7%	57.7%
PUSH_NULL	45,167,440	3.5%	61.2%
LOAD_ATTR_METHOD_NO_DICT	40,365,640	3.1%	64.3%
CALL_BUILTIN_O	39,795,620	3.1%	67.4%
CALL_METHOD_DESCRIPTOR_FAST	35,199,220	2.7%	70.1%
POP_JUMP_IF_FALSE	33,391,760	2.6%	72.6%
POP_TOP	32,896,880	2.5%	75.2%
CALL_PY_GENERAL	28,115,920	2.2%	77.3%	28.5%
JUMP_FORWARD	27,955,620	2.2%	79.5%
POP_JUMP_IF_NONE	23,868,620	1.8%	81.3%
LOAD_GLOBAL_MODULE	22,692,480	1.7%	83.1%
STORE_SUBSCR_DICT	20,284,360	1.6%	84.6%
CALL_PY_EXACT_ARGS	19,032,440	1.5%	86.1%	23.8%
POP_JUMP_IF_NOT_NONE	18,844,640	1.4%	87.5%
CALL_TYPE_1	17,584,900	1.4%	88.9%
GET_ITER	10,323,980	0.8%	89.7%
RETURN_CONST	8,929,520	0.7%	90.4%
BUILD_LIST	7,586,560	0.6%	91.0%
LOAD_DEREF	7,578,400	0.6%	91.5%
TO_BOOL_BOOL	6,324,340	0.5%	92.0%
LOAD_CONST	5,534,520	0.4%	92.4%
LOAD_ATTR	5,091,380	0.4%	92.8%
CALL_LIST_APPEND	5,078,980	0.4%	93.2%
FOR_ITER	5,042,040	0.4%	93.6%
STORE_FAST_STORE_FAST	5,038,820	0.4%	94.0%
UNPACK_SEQUENCE_TWO_TUPLE	5,038,720	0.4%	94.4%
CALL_NON_PY_GENERAL	4,957,120	0.4%	94.8%
LOAD_ATTR_MODULE	4,917,580	0.4%	95.2%
CHECK_EXC_MATCH	3,809,280	0.3%	95.4%
POP_EXCEPT	3,809,280	0.3%	95.7%
PUSH_EXC_INFO	3,809,280	0.3%	96.0%
BUILD_MAP	3,780,160	0.3%	96.3%
CALL_FUNCTION_EX	3,768,800	0.3%	96.6%
CALL_METHOD_DESCRIPTOR_NOARGS	3,768,260	0.3%	96.9%
FOR_ITER_TUPLE	2,624,420	0.2%	97.1%
FOR_ITER_LIST	2,540,120	0.2%	97.3%
INTERPRETER_EXIT	2,539,700	0.2%	97.5%
MAKE_CELL	2,539,600	0.2%	97.7%
SWAP	2,539,520	0.2%	97.9%
BINARY_OP_SUBTRACT_FLOAT	2,457,680	0.2%	98.1%
BINARY_OP_ADD_FLOAT	2,457,560	0.2%	98.3%	0.0%
STORE_ATTR_INSTANCE_VALUE	1,459,840	0.1%	98.4%	94.8%
LIST_APPEND	1,351,900	0.1%	98.5%
CALL_BUILTIN_FAST	1,303,080	0.1%	98.6%
CALL	1,274,380	0.1%	98.7%
TO_BOOL	1,271,080	0.1%	98.8%
STORE_FAST_LOAD_FAST	1,270,200	0.1%	98.9%
COPY_FREE_VARS	1,270,080	0.1%	99.0%
BUILD_TUPLE	1,270,000	0.1%	99.1%
POP_JUMP_IF_TRUE	1,270,000	0.1%	99.2%
LOAD_FAST_AND_CLEAR	1,269,760	0.1%	99.3%
LIST_EXTEND	1,237,580	0.1%	99.4%
CALL_INTRINSIC_1	1,237,420	0.1%	99.5%
CALL_ISINSTANCE	1,237,120	0.1%	99.5%
MAKE_FUNCTION	1,229,120	0.1%	99.6%
SET_FUNCTION_ATTRIBUTE	1,228,960	0.1%	99.7%
RETURN_GENERATOR	1,228,800	0.1%	99.8%
YIELD_VALUE	1,228,800	0.1%	99.9%
NOP	176,340	0.0%	99.9%
BINARY_SUBSCR_DICT	175,980	0.0%	100.0%
FOR_ITER_RANGE	124,960	0.0%	100.0%
CALL_BUILTIN_CLASS	123,360	0.0%	100.0%
LOAD_ATTR_INSTANCE_VALUE	123,060	0.0%	100.0%
STORE_SUBSCR_LIST_INT	123,060	0.0%	100.0%
LOAD_ATTR_METHOD_WITH_VALUES	41,000	0.0%	100.0%	7.8%
CALL_TUPLE_1	40,940	0.0%	100.0%
TO_BOOL_NONE	8,340	0.0%	100.0%
JUMP_BACKWARD	5,440	0.0%	100.0%
LOAD_GLOBAL	3,100	0.0%	100.0%
STORE_SUBSCR	680	0.0%	100.0%
RESUME	660	0.0%	100.0%
STORE_NAME	560	0.0%	100.0%
BINARY_OP	440	0.0%	100.0%
STORE_ATTR	300	0.0%	100.0%
BINARY_SUBSCR	200	0.0%	100.0%
UNPACK_SEQUENCE	200	0.0%	100.0%
BUILD_CONST_KEY_MAP	160	0.0%	100.0%
CALL_ALLOC_AND_ENTER_INIT	120	0.0%	100.0%	33.3%
EXIT_INIT_CHECK	80	0.0%	100.0%
LOAD_BUILD_CLASS	80	0.0%	100.0%
LOAD_NAME	80	0.0%	100.0%
STORE_DEREF	80	0.0%	100.0%
CALL_BUILTIN_FAST_WITH_KEYWORDS	60	0.0%	100.0%

Pair counts

Pair counts for top 100 opcode pairs

Pairs of specialized operations that deoptimize and are then followed by the corresponding unspecialized instruction are not counted as pairs.

Pair	Count	Self	Cumulative
STORE_FAST LOAD_FAST	50,218,040	3.9%	3.9%
LOAD_GLOBAL_BUILTIN LOAD_FAST	49,295,360	3.8%	7.7%
LOAD_FAST_LOAD_FAST IS_OP	46,778,860	3.6%	11.3%
LOAD_FAST RETURN_VALUE	41,348,960	3.2%	14.4%
CALL_METHOD_DESCRIPTOR_FAST STORE_FAST	35,199,220	2.7%	17.1%
RETURN_VALUE STORE_FAST	32,932,660	2.5%	19.7%
PUSH_NULL LOAD_FAST_LOAD_FAST	32,694,960	2.5%	22.2%
LOAD_FAST CALL_BUILTIN_O	29,137,120	2.2%	24.4%
CALL_PY_GENERAL RESUME_CHECK	27,964,820	2.2%	26.6%
LOAD_FAST PUSH_NULL	27,706,280	2.1%	28.7%
STORE_FAST JUMP_FORWARD	26,644,880	2.0%	30.8%
JUMP_FORWARD LOAD_FAST_LOAD_FAST	26,624,740	2.0%	32.8%
STORE_FAST LOAD_FAST_LOAD_FAST	25,439,880	2.0%	34.8%
LOAD_FAST POP_JUMP_IF_NONE	23,868,620	1.8%	36.6%
POP_JUMP_IF_NONE LOAD_FAST	23,854,400	1.8%	38.4%
IS_OP ENTER_EXECUTOR	23,531,700	1.8%	40.2%
RESUME_CHECK LOAD_FAST	22,815,300	1.8%	42.0%
LOAD_FAST_LOAD_FAST CALL_PY_GENERAL	21,994,480	1.7%	43.7%
IS_OP POP_JUMP_IF_FALSE	21,977,180	1.7%	45.4%
LOAD_FAST LOAD_ATTR_METHOD_NO_DICT	21,382,460	1.6%	47.0%
ENTER_EXECUTOR RETURN_VALUE	21,116,560	1.6%	48.6%
LOAD_ATTR_METHOD_NO_DICT LOAD_FAST	18,983,060	1.5%	50.1%
CALL_BUILTIN_O STORE_FAST	18,852,920	1.4%	51.6%
LOAD_FAST POP_JUMP_IF_NOT_NONE	18,844,640	1.4%	53.0%
RESUME_CHECK LOAD_GLOBAL_BUILTIN	18,844,520	1.4%	54.5%
POP_JUMP_IF_FALSE LOAD_GLOBAL_BUILTIN	18,818,500	1.4%	55.9%
STORE_FAST LOAD_GLOBAL_MODULE	18,815,740	1.4%	57.3%
CALL_PY_EXACT_ARGS RESUME_CHECK	17,718,220	1.4%	58.7%
POP_JUMP_IF_NOT_NONE LOAD_FAST	17,614,380	1.4%	60.1%
LOAD_ATTR_METHOD_NO_DICT LOAD_FAST_LOAD_FAST	17,614,320	1.4%	61.4%
LOAD_FAST_LOAD_FAST CALL_METHOD_DESCRIPTOR_FAST	17,614,260	1.4%	62.8%
CALL_TYPE_1 STORE_FAST	17,584,900	1.4%	64.1%
LOAD_FAST CALL_METHOD_DESCRIPTOR_FAST	17,584,840	1.4%	65.5%
LOAD_FAST CALL_TYPE_1	17,584,840	1.4%	66.8%
LOAD_GLOBAL_MODULE LOAD_ATTR_METHOD_NO_DICT	17,584,840	1.4%	68.2%
POP_TOP LOAD_FAST	16,427,060	1.3%	69.4%
POP_TOP ENTER_EXECUTOR	12,654,840	1.0%	70.4%
LOAD_FAST_LOAD_FAST CALL_PY_EXACT_ARGS	10,873,160	0.8%	71.3%
CALL_BUILTIN_O POP_TOP	10,649,800	0.8%	72.1%
RETURN_VALUE CALL_BUILTIN_O	10,649,760	0.8%	72.9%
CALL_BUILTIN_O STORE_SUBSCR_DICT	10,116,720	0.8%	73.7%
RETURN_VALUE STORE_SUBSCR_DICT	9,994,120	0.8%	74.4%
STORE_SUBSCR_DICT ENTER_EXECUTOR	9,993,220	0.8%	75.2%
PUSH_NULL LOAD_FAST	8,776,400	0.7%	75.9%
POP_JUMP_IF_FALSE LOAD_FAST	8,086,020	0.6%	76.5%
RETURN_CONST POP_TOP	7,659,520	0.6%	77.1%
STORE_SUBSCR_DICT LOAD_FAST	7,577,460	0.6%	77.7%
RETURN_VALUE LOAD_FAST_LOAD_FAST	7,536,700	0.6%	78.3%
LOAD_FAST_LOAD_FAST PUSH_NULL	7,536,700	0.6%	78.8%
ENTER_EXECUTOR POP_TOP	7,009,540	0.5%	79.4%
ENTER_EXECUTOR CALL_PY_EXACT_ARGS	6,804,000	0.5%	79.9%
TO_BOOL_BOOL POP_JUMP_IF_FALSE	6,324,340	0.5%	80.4%
LOAD_FAST_LOAD_FAST LOAD_GLOBAL_BUILTIN	6,307,640	0.5%	80.9%
LOAD_FAST LOAD_ATTR	5,079,340	0.4%	81.3%
CALL_LIST_APPEND RETURN_CONST	5,078,980	0.4%	81.7%
UNPACK_SEQUENCE_TWO_TUPLE STORE_FAST_STORE_FAST	5,038,720	0.4%	82.0%
FOR_ITER UNPACK_SEQUENCE_TWO_TUPLE	5,038,620	0.4%	82.4%
GET_ITER FOR_ITER	5,038,260	0.4%	82.8%
LOAD_FAST GET_ITER	5,038,080	0.4%	83.2%
ENTER_EXECUTOR CALL_LIST_APPEND	4,950,540	0.4%	83.6%
LOAD_ATTR_MODULE PUSH_NULL	4,917,580	0.4%	84.0%
LOAD_GLOBAL_MODULE LOAD_ATTR_MODULE	4,917,280	0.4%	84.3%
ENTER_EXECUTOR LOAD_FAST	4,136,720	0.3%	84.7%
LOAD_FAST LOAD_GLOBAL_BUILTIN	3,960,640	0.3%	85.0%
CHECK_EXC_MATCH POP_JUMP_IF_FALSE	3,809,280	0.3%	85.3%
POP_JUMP_IF_FALSE POP_TOP	3,809,280	0.3%	85.6%
LOAD_GLOBAL_BUILTIN CHECK_EXC_MATCH	3,809,180	0.3%	85.8%
PUSH_EXC_INFO LOAD_GLOBAL_BUILTIN	3,809,080	0.3%	86.1%
LOAD_FAST TO_BOOL_BOOL	3,809,040	0.3%	86.4%
BUILD_MAP STORE_FAST	3,780,080	0.3%	86.7%
BUILD_LIST LOAD_FAST	3,776,700	0.3%	87.0%
STORE_FAST_STORE_FAST LOAD_FAST	3,768,840	0.3%	87.3%
LOAD_FAST BUILD_LIST	3,768,640	0.3%	87.6%
LOAD_FAST LOAD_DEREF	3,768,320	0.3%	87.9%
CALL_METHOD_DESCRIPTOR_NOARGS GET_ITER	3,768,260	0.3%	88.2%
RESUME_CHECK BUILD_MAP	3,768,260	0.3%	88.5%
LOAD_ATTR_METHOD_NO_DICT CALL_METHOD_DESCRIPTOR_NOARGS	3,768,200	0.3%	88.7%
ENTER_EXECUTOR PUSH_EXC_INFO	3,761,700	0.3%	89.0%
PUSH_NULL CALL_NON_PY_GENERAL	3,687,180	0.3%	89.3%
FOR_ITER_LIST STORE_FAST	2,540,040	0.2%	89.5%
BUILD_LIST STORE_FAST	2,539,540	0.2%	89.7%
RESUME_CHECK BUILD_LIST	2,539,540	0.2%	89.9%
POP_EXCEPT RETURN_CONST	2,539,520	0.2%	90.1%
LOAD_ATTR STORE_FAST	2,539,520	0.2%	90.3%
GET_ITER FOR_ITER_LIST	2,539,480	0.2%	90.5%
STORE_SUBSCR_DICT POP_EXCEPT	2,539,460	0.2%	90.7%
STORE_FAST ENTER_EXECUTOR	2,538,160	0.2%	90.9%
LOAD_DEREF PUSH_NULL	2,499,120	0.2%	91.1%
LOAD_DEREF CALL_PY_GENERAL	2,498,440	0.2%	91.3%
CALL_NON_PY_GENERAL LOAD_FAST	2,457,680	0.2%	91.5%
LOAD_FAST BINARY_OP_SUBTRACT_FLOAT	2,457,600	0.2%	91.6%
BINARY_OP_ADD_FLOAT STORE_FAST	2,457,560	0.2%	91.8%
LOAD_FAST LOAD_GLOBAL_MODULE	2,457,520	0.2%	92.0%
BINARY_OP_SUBTRACT_FLOAT BINARY_OP_ADD_FLOAT	2,457,520	0.2%	92.2%
ENTER_EXECUTOR CALL_PY_GENERAL	2,241,560	0.2%	92.4%
FOR_ITER_TUPLE STORE_FAST	1,353,680	0.1%	92.5%
RETURN_VALUE LIST_APPEND	1,351,900	0.1%	92.6%
LIST_APPEND ENTER_EXECUTOR	1,351,220	0.1%	92.7%
RESUME_CHECK LOAD_DEREF	1,310,840	0.1%	92.8%
LOAD_DEREF LOAD_CONST	1,310,720	0.1%	92.9%

Predecessor/Successor Pairs

Top 5 predecessors and successors of each Tier 1 opcode.

This does not include the unspecialized instructions that occur after a specialized instruction deoptimizes.

CACHE

Successors and predecessors for CACHE

Successors	Count	Percentage
RESUME_CHECK	1,269,780	50.0%
POP_TOP	1,228,800	48.4%
COPY_FREE_VARS	41,040	1.6%
RESUME	80	0.0%

BINARY_SUBSCR

Successors and predecessors for BINARY_SUBSCR

Predecessors	Count	Percentage
CALL	100	50.0%
CALL_BUILTIN_O	100	50.0%

Successors	Count	Percentage
PUSH_EXC_INFO	100	50.0%
BINARY_SUBSCR_DICT	100	50.0%

CHECK_EXC_MATCH

Successors and predecessors for CHECK_EXC_MATCH

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	3,809,180	100.0%
LOAD_GLOBAL	100	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	3,809,280	100.0%

EXIT_INIT_CHECK

Successors and predecessors for EXIT_INIT_CHECK

Predecessors	Count	Percentage
RETURN_CONST	80	100.0%

Successors	Count	Percentage
RETURN_VALUE	80	100.0%

GET_ITER

Successors and predecessors for GET_ITER

Predecessors	Count	Percentage
LOAD_FAST	5,038,080	48.8%
CALL_METHOD_DESCRIPTOR_NOARGS	3,768,260	36.5%
CALL	1,269,920	12.3%
LOAD_CONST	124,360	1.2%
CALL_BUILTIN_CLASS	123,360	1.2%

Successors	Count	Percentage
FOR_ITER	5,038,260	48.8%
FOR_ITER_LIST	2,539,480	24.6%
LOAD_FAST_AND_CLEAR	1,269,760	12.3%
CALL_PY_EXACT_ARGS	1,228,760	11.9%
FOR_ITER_TUPLE	124,320	1.2%

INTERPRETER_EXIT

Successors and predecessors for INTERPRETER_EXIT

Predecessors	Count	Percentage
RETURN_CONST	1,269,920	50.0%
YIELD_VALUE	1,228,800	48.4%
RETURN_VALUE	40,980	1.6%

LOAD_BUILD_CLASS

Successors and predecessors for LOAD_BUILD_CLASS

Predecessors	Count	Percentage
RESUME_CHECK	60	75.0%
RESUME	20	25.0%

Successors	Count	Percentage
PUSH_NULL	80	100.0%

MAKE_FUNCTION

Successors and predecessors for MAKE_FUNCTION

Predecessors	Count	Percentage
LOAD_CONST	1,229,120	100.0%

Successors	Count	Percentage
SET_FUNCTION_ATTRIBUTE	1,228,960	100.0%
STORE_NAME	160	0.0%

NOP

Successors and predecessors for NOP

Predecessors	Count	Percentage
RESUME_CHECK	173,260	98.3%
STORE_FAST	2,760	1.6%
POP_TOP	240	0.1%
RESUME	60	0.0%
JUMP_FORWARD	20	0.0%

Successors	Count	Percentage
LOAD_FAST	176,080	99.9%
LOAD_DEREF	240	0.1%
LOAD_FAST_LOAD_FAST	20	0.0%

POP_EXCEPT

Successors and predecessors for POP_EXCEPT

Predecessors	Count	Percentage
STORE_SUBSCR_DICT	2,539,460	66.7%
POP_TOP	1,269,760	33.3%
STORE_SUBSCR	60	0.0%

Successors	Count	Percentage
RETURN_CONST	2,539,520	66.7%
JUMP_FORWARD	1,269,760	33.3%

POP_TOP

Successors and predecessors for POP_TOP

Predecessors	Count	Percentage
CALL_BUILTIN_O	10,649,800	32.4%
RETURN_CONST	7,659,520	23.3%
ENTER_EXECUTOR	7,009,540	21.3%
POP_JUMP_IF_FALSE	3,809,280	11.6%
CALL_NON_PY_GENERAL	1,269,900	3.9%

Successors	Count	Percentage
LOAD_FAST	16,427,060	49.9%
ENTER_EXECUTOR	12,654,840	38.5%
POP_EXCEPT	1,269,760	3.9%
RETURN_CONST	1,269,500	3.9%
RESUME_CHECK	1,228,780	3.7%

PUSH_EXC_INFO

Successors and predecessors for PUSH_EXC_INFO

Predecessors	Count	Percentage
ENTER_EXECUTOR	3,761,700	98.8%
BINARY_SUBSCR_DICT	47,480	1.2%
BINARY_SUBSCR	100	0.0%

Successors	Count	Percentage
LOAD_GLOBAL_BUILTIN	3,809,080	100.0%
LOAD_GLOBAL	200	0.0%

PUSH_NULL

Successors and predecessors for PUSH_NULL

Predecessors	Count	Percentage
LOAD_FAST	27,706,280	61.3%
LOAD_FAST_LOAD_FAST	7,536,700	16.7%
LOAD_ATTR_MODULE	4,917,580	10.9%
LOAD_DEREF	2,499,120	5.5%
STORE_FAST_LOAD_FAST	1,270,200	2.8%

Successors	Count	Percentage
LOAD_FAST_LOAD_FAST	32,694,960	72.4%
LOAD_FAST	8,776,400	19.4%
CALL_NON_PY_GENERAL	3,687,180	8.2%
LOAD_CONST	8,380	0.0%
CALL	480	0.0%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE

Predecessors	Count	Percentage
LOAD_FAST	41,348,960	64.9%
ENTER_EXECUTOR	21,116,560	33.1%
CALL_FUNCTION_EX	1,228,800	1.9%
BUILD_TUPLE	40,960	0.1%
RETURN_VALUE	240	0.0%

Successors	Count	Percentage
STORE_FAST	32,932,660	51.7%
CALL_BUILTIN_O	10,649,760	16.7%
STORE_SUBSCR_DICT	9,994,120	15.7%
LOAD_FAST_LOAD_FAST	7,536,700	11.8%
LIST_APPEND	1,351,900	2.1%

STORE_SUBSCR

Successors and predecessors for STORE_SUBSCR

Predecessors	Count	Percentage
CALL	200	29.4%
CALL_BUILTIN_O	200	29.4%
RETURN_VALUE	120	17.6%
LOAD_FAST	120	17.6%
LOAD_CONST	40	5.9%

Successors	Count	Percentage
STORE_SUBSCR_DICT	320	47.1%
LOAD_FAST	140	20.6%
POP_EXCEPT	60	8.8%
JUMP_BACKWARD	60	8.8%
LOAD_GLOBAL	60	8.8%

TO_BOOL

Successors and predecessors for TO_BOOL

Predecessors	Count	Percentage
LOAD_FAST	1,270,080	99.9%
TO_BOOL	700	0.1%
CALL	160	0.0%
CALL_BUILTIN_FAST	80	0.0%
CALL_ISINSTANCE	60	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	1,270,060	99.9%
TO_BOOL	700	0.1%
TO_BOOL_BOOL	260	0.0%
TO_BOOL_NONE	40	0.0%
POP_JUMP_IF_TRUE	20	0.0%

BINARY_OP

Successors and predecessors for BINARY_OP

Predecessors	Count	Percentage
LOAD_CONST	160	36.4%
LOAD_FAST	160	36.4%
BINARY_OP	80	18.2%
BINARY_OP_SUBTRACT_FLOAT	40	9.1%

Successors	Count	Percentage
STORE_FAST	160	36.4%
BINARY_OP_SUBTRACT_FLOAT	80	18.2%
BINARY_OP	80	18.2%
LOAD_CONST	80	18.2%
BINARY_OP_ADD_FLOAT	40	9.1%

BUILD_LIST

Successors and predecessors for BUILD_LIST

Predecessors	Count	Percentage
LOAD_FAST	3,768,640	49.7%
RESUME_CHECK	2,539,540	33.5%
SWAP	1,269,760	16.7%
LOAD_FAST_LOAD_FAST	8,380	0.1%
LOAD_CONST	160	0.0%

Successors	Count	Percentage
LOAD_FAST	3,776,700	49.8%
STORE_FAST	2,539,540	33.5%
SWAP	1,269,760	16.7%
LOAD_CONST	320	0.0%
LOAD_DEREF	240	0.0%

BUILD_MAP

Successors and predecessors for BUILD_MAP

Predecessors	Count	Percentage
RESUME_CHECK	3,768,260	99.7%
ENTER_EXECUTOR	6,340	0.2%
POP_JUMP_IF_NOT_NONE	5,360	0.1%
LOAD_CONST	80	0.0%
JUMP_BACKWARD	60	0.0%

Successors	Count	Percentage
STORE_FAST	3,780,080	100.0%
LOAD_CONST	80	0.0%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE

Predecessors	Count	Percentage
LOAD_FAST	1,229,040	96.8%
LOAD_ATTR	40,960	3.2%

Successors	Count	Percentage
LOAD_CONST	1,228,960	96.8%
RETURN_VALUE	40,960	3.2%
LOAD_FAST	80	0.0%

CALL

Successors and predecessors for CALL

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	1,270,520	99.7%
LOAD_FAST	1,600	0.1%
CALL	700	0.1%
PUSH_NULL	480	0.0%
LOAD_CONST	480	0.0%

Successors	Count	Percentage
GET_ITER	1,269,920	99.7%
CALL	700	0.1%
STORE_FAST	560	0.0%
CALL_BUILTIN_O	440	0.0%
CALL_PY_GENERAL	380	0.0%

CALL_FUNCTION_EX

Successors and predecessors for CALL_FUNCTION_EX

Predecessors	Count	Percentage
LOAD_FAST	1,270,000	33.7%
ENTER_EXECUTOR	1,261,380	33.5%
CALL_INTRINSIC_1	1,237,420	32.8%

Successors	Count	Percentage
MAKE_CELL	1,269,840	33.7%
RESUME_CHECK	1,228,900	32.6%
RETURN_VALUE	1,228,800	32.6%
STORE_FAST	40,960	1.1%
COPY_FREE_VARS	240	0.0%

CALL_INTRINSIC_1

Successors and predecessors for CALL_INTRINSIC_1

Predecessors	Count	Percentage
LIST_EXTEND	1,237,420	100.0%

Successors	Count	Percentage
CALL_FUNCTION_EX	1,237,420	100.0%

COPY_FREE_VARS

Successors and predecessors for COPY_FREE_VARS

Predecessors	Count	Percentage
CALL_PY_EXACT_ARGS	1,228,780	96.7%
CACHE	41,040	3.2%
CALL_FUNCTION_EX	240	0.0%
CALL	20	0.0%

Successors	Count	Percentage
RETURN_GENERATOR	1,228,800	96.7%
RESUME_CHECK	41,180	3.2%
RESUME	100	0.0%

ENTER_EXECUTOR

Successors and predecessors for ENTER_EXECUTOR

Predecessors	Count	Percentage
IS_OP	23,531,700	44.8%
POP_TOP	12,654,840	24.1%
STORE_SUBSCR_DICT	9,993,220	19.0%
STORE_FAST	2,538,160	4.8%
LIST_APPEND	1,351,220	2.6%

Successors	Count	Percentage
RETURN_VALUE	21,116,560	40.2%
POP_TOP	7,009,540	13.3%
CALL_PY_EXACT_ARGS	6,804,000	13.0%
CALL_LIST_APPEND	4,950,540	9.4%
LOAD_FAST	4,136,720	7.9%

FOR_ITER

Successors and predecessors for FOR_ITER

Predecessors	Count	Percentage
GET_ITER	5,038,260	99.9%
FOR_ITER	2,200	0.0%
JUMP_BACKWARD	1,520	0.0%
SWAP	40	0.0%
LOAD_FAST	20	0.0%

Successors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	5,038,620	99.9%
FOR_ITER	2,200	0.0%
LOAD_FAST	540	0.0%
STORE_FAST	200	0.0%
UNPACK_SEQUENCE	200	0.0%

IS_OP

Successors and predecessors for IS_OP

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	46,778,860	97.4%
LOAD_CONST	1,269,760	2.6%

Successors	Count	Percentage
ENTER_EXECUTOR	23,531,700	49.0%
POP_JUMP_IF_FALSE	21,977,180	45.7%
POP_JUMP_IF_TRUE	1,269,980	2.6%
STORE_FAST	1,269,760	2.6%

JUMP_BACKWARD

Successors and predecessors for JUMP_BACKWARD

Predecessors	Count	Percentage
POP_TOP	1,720	31.6%
STORE_FAST	1,360	25.0%
STORE_SUBSCR_DICT	960	17.6%
LIST_APPEND	680	12.5%
POP_JUMP_IF_TRUE	340	6.2%

Successors	Count	Percentage
FOR_ITER	1,520	27.9%
FOR_ITER_RANGE	1,500	27.6%
FOR_ITER_TUPLE	1,500	27.6%
FOR_ITER_LIST	600	11.0%
POP_TOP	80	1.5%

JUMP_FORWARD

Successors and predecessors for JUMP_FORWARD

Predecessors	Count	Percentage
STORE_FAST	26,644,880	95.3%
POP_EXCEPT	1,269,760	4.5%
POP_TOP	40,960	0.1%
POP_JUMP_IF_TRUE	20	0.0%

Successors	Count	Percentage
LOAD_FAST_LOAD_FAST	26,624,740	95.2%
LOAD_GLOBAL_BUILTIN	1,289,680	4.6%
LOAD_FAST	40,960	0.1%
LOAD_GLOBAL	220	0.0%
NOP	20	0.0%

LIST_EXTEND

Successors and predecessors for LIST_EXTEND

Predecessors	Count	Percentage
LOAD_FAST	1,237,180	100.0%
LOAD_DEREF	240	0.0%
LOAD_CONST	160	0.0%

Successors	Count	Percentage
CALL_INTRINSIC_1	1,237,420	100.0%
LOAD_CONST	160	0.0%

LOAD_ATTR

Successors and predecessors for LOAD_ATTR

Predecessors	Count	Percentage
LOAD_FAST	5,079,340	99.8%
LOAD_GLOBAL_MODULE	8,700	0.2%
LOAD_ATTR	2,780	0.1%
LOAD_GLOBAL	400	0.0%
BINARY_SUBSCR_DICT	120	0.0%

Successors	Count	Percentage
STORE_FAST	2,539,520	49.9%
LOAD_ATTR_METHOD_NO_DICT	1,269,960	24.9%
PUSH_NULL	1,237,480	24.3%
BUILD_TUPLE	40,960	0.8%
LOAD_ATTR	2,780	0.1%

LOAD_CONST

Successors and predecessors for LOAD_CONST

Predecessors	Count	Percentage
LOAD_DEREF	1,310,720	23.7%
LOAD_FAST	1,286,540	23.2%
BUILD_TUPLE	1,228,960	22.2%
POP_JUMP_IF_FALSE	1,228,800	22.2%
LOAD_GLOBAL_BUILTIN	123,180	2.2%

Successors	Count	Percentage
CALL_BUILTIN_FAST	1,286,280	23.2%
IS_OP	1,269,760	22.9%
MAKE_FUNCTION	1,229,120	22.2%
STORE_FAST	1,228,880	22.2%
GET_ITER	124,360	2.2%

LOAD_DEREF

Successors and predecessors for LOAD_DEREF

Predecessors	Count	Percentage
LOAD_FAST	3,768,320	49.7%
RESUME_CHECK	1,310,840	17.3%
POP_JUMP_IF_FALSE	1,269,760	16.8%
STORE_FAST	1,228,800	16.2%
NOP	240	0.0%

Successors	Count	Percentage
PUSH_NULL	2,499,120	33.0%
CALL_PY_GENERAL	2,498,440	33.0%
LOAD_CONST	1,310,720	17.3%
LOAD_GLOBAL_BUILTIN	1,269,680	16.8%
LIST_EXTEND	240	0.0%

LOAD_FAST

Successors and predecessors for LOAD_FAST

Predecessors	Count	Percentage
STORE_FAST	50,218,040	20.9%
LOAD_GLOBAL_BUILTIN	49,295,360	20.5%
POP_JUMP_IF_NONE	23,854,400	9.9%
RESUME_CHECK	22,815,300	9.5%
LOAD_ATTR_METHOD_NO_DICT	18,983,060	7.9%

Successors	Count	Percentage
RETURN_VALUE	41,348,960	17.2%
CALL_BUILTIN_O	29,137,120	12.1%
PUSH_NULL	27,706,280	11.5%
POP_JUMP_IF_NONE	23,868,620	9.9%
LOAD_ATTR_METHOD_NO_DICT	21,382,460	8.9%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST

Predecessors	Count	Percentage
PUSH_NULL	32,694,960	29.0%
JUMP_FORWARD	26,624,740	23.6%
STORE_FAST	25,439,880	22.6%
LOAD_ATTR_METHOD_NO_DICT	17,614,320	15.6%
RETURN_VALUE	7,536,700	6.7%

Successors	Count	Percentage
IS_OP	46,778,860	41.5%
CALL_PY_GENERAL	21,994,480	19.5%
CALL_METHOD_DESCRIPTOR_FAST	17,614,260	15.6%
CALL_PY_EXACT_ARGS	10,873,160	9.6%
PUSH_NULL	7,536,700	6.7%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL

Predecessors	Count	Percentage
STORE_FAST	700	22.6%
LOAD_FAST	600	19.4%
POP_JUMP_IF_FALSE	340	11.0%
JUMP_FORWARD	220	7.1%
PUSH_EXC_INFO	200	6.5%

Successors	Count	Percentage
LOAD_GLOBAL_BUILTIN	1,020	32.9%
LOAD_FAST	740	23.9%
LOAD_GLOBAL_MODULE	520	16.8%
LOAD_ATTR	400	12.9%
LOAD_FAST_LOAD_FAST	140	4.5%

LOAD_NAME

Successors and predecessors for LOAD_NAME

Predecessors	Count	Percentage
RESUME_CHECK	60	75.0%
RESUME	20	25.0%

Successors	Count	Percentage
STORE_NAME	80	100.0%

MAKE_CELL

Successors and predecessors for MAKE_CELL

Predecessors	Count	Percentage
CALL_FUNCTION_EX	1,269,840	50.0%
MAKE_CELL	1,269,760	50.0%

Successors	Count	Percentage
RESUME_CHECK	1,269,780	50.0%
MAKE_CELL	1,269,760	50.0%
RESUME	60	0.0%

POP_JUMP_IF_FALSE

Successors and predecessors for POP_JUMP_IF_FALSE

Predecessors	Count	Percentage
IS_OP	21,977,180	65.8%
TO_BOOL_BOOL	6,324,340	18.9%
CHECK_EXC_MATCH	3,809,280	11.4%
TO_BOOL	1,270,060	3.8%
TO_BOOL_NONE	8,340	0.0%

Successors	Count	Percentage
LOAD_GLOBAL_BUILTIN	18,818,500	56.4%
LOAD_FAST	8,086,020	24.2%
POP_TOP	3,809,280	11.4%
LOAD_DEREF	1,269,760	3.8%
LOAD_CONST	1,228,800	3.7%

POP_JUMP_IF_NONE

Successors and predecessors for POP_JUMP_IF_NONE

Predecessors	Count	Percentage
LOAD_FAST	23,868,620	100.0%

Successors	Count	Percentage
LOAD_FAST	23,854,400	99.9%
LOAD_GLOBAL_MODULE	8,300	0.0%
LOAD_GLOBAL_BUILTIN	5,740	0.0%
LOAD_GLOBAL	160	0.0%
BUILD_LIST	20	0.0%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE

Predecessors	Count	Percentage
LOAD_FAST	18,844,640	100.0%

Successors	Count	Percentage
LOAD_FAST	17,614,380	93.5%
ENTER_EXECUTOR	1,224,900	6.5%
BUILD_MAP	5,360	0.0%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE

Predecessors	Count	Percentage
IS_OP	1,269,980	100.0%
TO_BOOL	20	0.0%

Successors	Count	Percentage
ENTER_EXECUTOR	1,228,680	96.7%
LOAD_GLOBAL_BUILTIN	40,920	3.2%
JUMP_BACKWARD	340	0.0%
LOAD_GLOBAL	40	0.0%
JUMP_FORWARD	20	0.0%

RETURN_CONST

Successors and predecessors for RETURN_CONST

Predecessors	Count	Percentage
CALL_LIST_APPEND	5,078,980	56.9%
POP_EXCEPT	2,539,520	28.4%
POP_TOP	1,269,500	14.2%
STORE_ATTR_INSTANCE_VALUE	41,080	0.5%
FOR_ITER_TUPLE	320	0.0%

Successors	Count	Percentage
POP_TOP	7,659,520	85.8%
INTERPRETER_EXIT	1,269,920	14.2%
EXIT_INIT_CHECK	80	0.0%

SET_FUNCTION_ATTRIBUTE

Successors and predecessors for SET_FUNCTION_ATTRIBUTE

Predecessors	Count	Percentage
MAKE_FUNCTION	1,228,960	100.0%

Successors	Count	Percentage
LOAD_FAST	1,228,800	100.0%
LOAD_CONST	80	0.0%
STORE_NAME	80	0.0%

STORE_ATTR

Successors and predecessors for STORE_ATTR

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	220	73.3%
LOAD_FAST	80	26.7%

Successors	Count	Percentage
STORE_ATTR_INSTANCE_VALUE	140	46.7%
RETURN_CONST	40	13.3%
LOAD_FAST_LOAD_FAST	40	13.3%
LOAD_GLOBAL	40	13.3%
LOAD_CONST	20	6.7%

STORE_DEREF

Successors and predecessors for STORE_DEREF

Predecessors	Count	Percentage
CALL_BUILTIN_FAST_WITH_KEYWORDS	60	75.0%
CALL	20	25.0%

Successors	Count	Percentage
LOAD_DEREF	80	100.0%

STORE_FAST

Successors and predecessors for STORE_FAST

Predecessors	Count	Percentage
CALL_METHOD_DESCRIPTOR_FAST	35,199,220	27.9%
RETURN_VALUE	32,932,660	26.1%
CALL_BUILTIN_O	18,852,920	14.9%
CALL_TYPE_1	17,584,900	13.9%
BUILD_MAP	3,780,080	3.0%

Successors	Count	Percentage
LOAD_FAST	50,218,040	39.8%
JUMP_FORWARD	26,644,880	21.1%
LOAD_FAST_LOAD_FAST	25,439,880	20.2%
LOAD_GLOBAL_MODULE	18,815,740	14.9%
ENTER_EXECUTOR	2,538,160	2.0%

STORE_FAST_STORE_FAST

Successors and predecessors for STORE_FAST_STORE_FAST

Predecessors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	5,038,720	100.0%
UNPACK_SEQUENCE	100	0.0%

Successors	Count	Percentage
LOAD_FAST	3,768,840	74.8%
LOAD_FAST_LOAD_FAST	1,269,980	25.2%

STORE_NAME

Successors and predecessors for STORE_NAME

Predecessors	Count	Percentage
LOAD_CONST	240	42.9%
MAKE_FUNCTION	160	28.6%
LOAD_NAME	80	14.3%
SET_FUNCTION_ATTRIBUTE	80	14.3%

Successors	Count	Percentage
LOAD_CONST	400	71.4%
LOAD_FAST	80	14.3%
RETURN_CONST	80	14.3%

UNPACK_SEQUENCE

Successors and predecessors for UNPACK_SEQUENCE

Predecessors	Count	Percentage
FOR_ITER	200	100.0%

Successors	Count	Percentage
STORE_FAST_STORE_FAST	100	50.0%
UNPACK_SEQUENCE_TWO_TUPLE	100	50.0%

RESUME

Successors and predecessors for RESUME

Predecessors	Count	Percentage
CALL	200	30.3%
CALL_PY_GENERAL	120	18.2%
COPY_FREE_VARS	100	15.2%
CACHE	80	12.1%
CALL_FUNCTION_EX	60	9.1%

Successors	Count	Percentage
LOAD_FAST	180	27.3%
LOAD_DEREF	120	18.2%
NOP	60	9.1%
BUILD_MAP	60	9.1%
LOAD_GLOBAL	60	9.1%

BINARY_OP_SUBTRACT_FLOAT

Successors and predecessors for BINARY_OP_SUBTRACT_FLOAT

Predecessors	Count	Percentage
LOAD_FAST	2,457,600	100.0%
BINARY_OP	80	0.0%

Successors	Count	Percentage
BINARY_OP_ADD_FLOAT	2,457,520	100.0%
STORE_FAST	120	0.0%
BINARY_OP	40	0.0%

BINARY_SUBSCR_DICT

Successors and predecessors for BINARY_SUBSCR_DICT

Predecessors	Count	Percentage
CALL_BUILTIN_O	175,880	99.9%
BINARY_SUBSCR	100	0.1%

Successors	Count	Percentage
LOAD_ATTR_METHOD_NO_DICT	128,380	73.0%
PUSH_EXC_INFO	47,480	27.0%
LOAD_ATTR	120	0.1%

CALL_ALLOC_AND_ENTER_INIT

Successors and predecessors for CALL_ALLOC_AND_ENTER_INIT

Predecessors	Count	Percentage
PUSH_NULL	40	33.3%
CALL	40	33.3%
LOAD_CONST	40	33.3%

Successors	Count	Percentage
RESUME_CHECK	80	66.7%
STORE_FAST	40	33.3%

CALL_BUILTIN_CLASS

Successors and predecessors for CALL_BUILTIN_CLASS

Predecessors	Count	Percentage
LOAD_CONST	123,140	99.8%
LOAD_FAST	120	0.1%
CALL	100	0.1%

Successors	Count	Percentage
GET_ITER	123,360	100.0%

CALL_BUILTIN_FAST

Successors and predecessors for CALL_BUILTIN_FAST

Predecessors	Count	Percentage
LOAD_CONST	1,286,280	98.7%
LOAD_FAST	8,300	0.6%
LOAD_GLOBAL_BUILTIN	8,300	0.6%
CALL	200	0.0%

Successors	Count	Percentage
TO_BOOL_BOOL	1,277,980	98.1%
STORE_FAST	25,020	1.9%
TO_BOOL	80	0.0%

CALL_BUILTIN_FAST_WITH_KEYWORDS

Successors and predecessors for CALL_BUILTIN_FAST_WITH_KEYWORDS

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	40	66.7%
CALL	20	33.3%

Successors	Count	Percentage
STORE_DEREF	60	100.0%

CALL_BUILTIN_O

Successors and predecessors for CALL_BUILTIN_O

Predecessors	Count	Percentage
LOAD_FAST	29,137,120	73.2%
RETURN_VALUE	10,649,760	26.8%
LOAD_CONST	8,300	0.0%
CALL	440	0.0%

Successors	Count	Percentage
STORE_FAST	18,852,920	47.4%
POP_TOP	10,649,800	26.8%
STORE_SUBSCR_DICT	10,116,720	25.4%
BINARY_SUBSCR_DICT	175,880	0.4%
STORE_SUBSCR	200	0.0%

CALL_ISINSTANCE

Successors and predecessors for CALL_ISINSTANCE

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	1,237,060	100.0%
CALL	60	0.0%

Successors	Count	Percentage
TO_BOOL_BOOL	1,237,060	100.0%
TO_BOOL	60	0.0%

CALL_LIST_APPEND

Successors and predecessors for CALL_LIST_APPEND

Predecessors	Count	Percentage
ENTER_EXECUTOR	4,950,540	97.5%
LOAD_FAST	128,380	2.5%
CALL	60	0.0%

Successors	Count	Percentage
RETURN_CONST	5,078,980	100.0%

CALL_METHOD_DESCRIPTOR_FAST

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	17,614,260	50.0%
LOAD_FAST	17,584,840	50.0%
CALL	120	0.0%

Successors	Count	Percentage
STORE_FAST	35,199,220	100.0%

CALL_METHOD_DESCRIPTOR_NOARGS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_NOARGS

Predecessors	Count	Percentage
LOAD_ATTR_METHOD_NO_DICT	3,768,200	100.0%
CALL	60	0.0%

Successors	Count	Percentage
GET_ITER	3,768,260	100.0%

CALL_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL

Predecessors	Count	Percentage
PUSH_NULL	3,687,180	74.4%
LOAD_FAST	1,269,680	25.6%
CALL	260	0.0%

Successors	Count	Percentage
LOAD_FAST	2,457,680	49.6%
POP_TOP	1,269,900	25.6%
STORE_FAST	1,229,540	24.8%

CALL_PY_EXACT_ARGS

Successors and predecessors for CALL_PY_EXACT_ARGS

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	10,873,160	57.1%
ENTER_EXECUTOR	6,804,000	35.7%
GET_ITER	1,228,760	6.5%
CALL_PY_GENERAL	85,460	0.4%
LOAD_FAST	40,920	0.2%

Successors	Count	Percentage
RESUME_CHECK	17,718,220	93.1%
COPY_FREE_VARS	1,228,780	6.5%
CALL_PY_GENERAL	85,420	0.4%
RESUME	20	0.0%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	21,994,480	78.2%
LOAD_DEREF	2,498,440	8.9%
ENTER_EXECUTOR	2,241,560	8.0%
LOAD_FAST	1,230,100	4.4%
CALL_PY_EXACT_ARGS	85,420	0.3%

Successors	Count	Percentage
RESUME_CHECK	27,964,820	99.5%
CALL_PY_EXACT_ARGS	85,460	0.3%
CALL_PY_GENERAL	65,520	0.2%
RESUME	120	0.0%

CALL_TYPE_1

Successors and predecessors for CALL_TYPE_1

Predecessors	Count	Percentage
LOAD_FAST	17,584,840	100.0%
CALL	60	0.0%

Successors	Count	Percentage
STORE_FAST	17,584,900	100.0%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE

Predecessors	Count	Percentage
GET_ITER	123,360	98.7%
JUMP_BACKWARD	1,500	1.2%
FOR_ITER	100	0.1%

Successors	Count	Percentage
STORE_FAST	124,900	100.0%
JUMP_BACKWARD	60	0.0%

LOAD_ATTR_METHOD_NO_DICT

Successors and predecessors for LOAD_ATTR_METHOD_NO_DICT

Predecessors	Count	Percentage
LOAD_FAST	21,382,460	53.0%
LOAD_GLOBAL_MODULE	17,584,840	43.6%
LOAD_ATTR	1,269,960	3.1%
BINARY_SUBSCR_DICT	128,380	0.3%

Successors	Count	Percentage
LOAD_FAST	18,983,060	47.0%
LOAD_FAST_LOAD_FAST	17,614,320	43.6%
CALL_METHOD_DESCRIPTOR_NOARGS	3,768,200	9.3%
CALL	60	0.0%

LOAD_ATTR_METHOD_WITH_VALUES

Successors and predecessors for LOAD_ATTR_METHOD_WITH_VALUES

Predecessors	Count	Percentage
LOAD_FAST	40,920	99.8%
LOAD_ATTR_METHOD_WITH_VALUES	60	0.1%
LOAD_ATTR	20	0.0%

Successors	Count	Percentage
LOAD_FAST	40,940	99.9%
LOAD_ATTR_METHOD_WITH_VALUES	60	0.1%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	4,917,280	100.0%
LOAD_ATTR	300	0.0%

Successors	Count	Percentage
PUSH_NULL	4,917,580	100.0%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN

Predecessors	Count	Percentage
RESUME_CHECK	18,844,520	33.8%
POP_JUMP_IF_FALSE	18,818,500	33.8%
LOAD_FAST_LOAD_FAST	6,307,640	11.3%
LOAD_FAST	3,960,640	7.1%
PUSH_EXC_INFO	3,809,080	6.8%

Successors	Count	Percentage
LOAD_FAST	49,295,360	88.4%
CHECK_EXC_MATCH	3,809,180	6.8%
LOAD_FAST_LOAD_FAST	1,269,720	2.3%
CALL_ISINSTANCE	1,237,060	2.2%
LOAD_CONST	123,180	0.2%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE

Predecessors	Count	Percentage
STORE_FAST	18,815,740	82.9%
LOAD_FAST	2,457,520	10.8%
STORE_ATTR_INSTANCE_VALUE	1,228,700	5.4%
STORE_SUBSCR_DICT	173,200	0.8%
POP_JUMP_IF_FALSE	8,300	0.0%

Successors	Count	Percentage
LOAD_ATTR_METHOD_NO_DICT	17,584,840	77.5%
LOAD_ATTR_MODULE	4,917,280	21.7%
LOAD_FAST_LOAD_FAST	181,600	0.8%
LOAD_ATTR	8,700	0.0%
LOAD_CONST	60	0.0%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK

Predecessors	Count	Percentage
CALL_PY_GENERAL	27,964,820	55.1%
CALL_PY_EXACT_ARGS	17,718,220	34.9%
CACHE	1,269,780	2.5%
MAKE_CELL	1,269,780	2.5%
CALL_FUNCTION_EX	1,228,900	2.4%

Successors	Count	Percentage
LOAD_FAST	22,815,300	45.0%
LOAD_GLOBAL_BUILTIN	18,844,520	37.2%
BUILD_MAP	3,768,260	7.4%
BUILD_LIST	2,539,540	5.0%
LOAD_DEREF	1,310,840	2.6%

STORE_ATTR_INSTANCE_VALUE

Successors and predecessors for STORE_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
ENTER_EXECUTOR	1,226,760	84.0%
LOAD_FAST_LOAD_FAST	124,780	8.5%
LOAD_FAST	82,000	5.6%
STORE_ATTR_INSTANCE_VALUE	26,100	1.8%
STORE_ATTR	140	0.0%

Successors	Count	Percentage
LOAD_GLOBAL_MODULE	1,228,700	84.2%
LOAD_GLOBAL_BUILTIN	122,780	8.4%
RETURN_CONST	41,080	2.8%
LOAD_CONST	41,020	2.8%
STORE_ATTR_INSTANCE_VALUE	26,100	1.8%

STORE_SUBSCR_DICT

Successors and predecessors for STORE_SUBSCR_DICT

Predecessors	Count	Percentage
CALL_BUILTIN_O	10,116,720	49.9%
RETURN_VALUE	9,994,120	49.3%
LOAD_FAST	173,200	0.9%
STORE_SUBSCR	320	0.0%

Successors	Count	Percentage
ENTER_EXECUTOR	9,993,220	49.3%
LOAD_FAST	7,577,460	37.4%
POP_EXCEPT	2,539,460	12.5%
LOAD_GLOBAL_MODULE	173,200	0.9%
JUMP_BACKWARD	960	0.0%

TO_BOOL_BOOL

Successors and predecessors for TO_BOOL_BOOL

Predecessors	Count	Percentage
LOAD_FAST	3,809,040	60.2%
CALL_BUILTIN_FAST	1,277,980	20.2%
CALL_ISINSTANCE	1,237,060	19.6%
TO_BOOL	260	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	6,324,340	100.0%

TO_BOOL_NONE

Successors and predecessors for TO_BOOL_NONE

Predecessors	Count	Percentage
LOAD_FAST	8,300	99.5%
TO_BOOL	40	0.5%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	8,340	100.0%

UNPACK_SEQUENCE_TWO_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TWO_TUPLE

Predecessors	Count	Percentage
FOR_ITER	5,038,620	100.0%
UNPACK_SEQUENCE	100	0.0%

Successors	Count	Percentage
STORE_FAST_STORE_FAST	5,038,720	100.0%

RETURN_GENERATOR

Successors and predecessors for RETURN_GENERATOR

Predecessors	Count	Percentage
COPY_FREE_VARS	1,228,800	100.0%

Successors	Count	Percentage
STORE_FAST	1,228,800	100.0%

BUILD_CONST_KEY_MAP

Successors and predecessors for BUILD_CONST_KEY_MAP

Predecessors	Count	Percentage
LOAD_CONST	160	100.0%

Successors	Count	Percentage
STORE_FAST	160	100.0%

LIST_APPEND

Successors and predecessors for LIST_APPEND

Predecessors	Count	Percentage
RETURN_VALUE	1,351,900	100.0%

Successors	Count	Percentage
ENTER_EXECUTOR	1,351,220	99.9%
JUMP_BACKWARD	680	0.1%

LOAD_FAST_AND_CLEAR

Successors and predecessors for LOAD_FAST_AND_CLEAR

Predecessors	Count	Percentage
GET_ITER	1,269,760	100.0%

Successors	Count	Percentage
SWAP	1,269,760	100.0%

STORE_FAST_LOAD_FAST

Successors and predecessors for STORE_FAST_LOAD_FAST

Predecessors	Count	Percentage
FOR_ITER_TUPLE	1,270,160	100.0%
FOR_ITER	40	0.0%

Successors	Count	Percentage
PUSH_NULL	1,270,200	100.0%

SWAP

Successors and predecessors for SWAP

Predecessors	Count	Percentage
BUILD_LIST	1,269,760	50.0%
LOAD_FAST_AND_CLEAR	1,269,760	50.0%

Successors	Count	Percentage
BUILD_LIST	1,269,760	50.0%
FOR_ITER_TUPLE	1,269,720	50.0%
FOR_ITER	40	0.0%

YIELD_VALUE

Successors and predecessors for YIELD_VALUE

Predecessors	Count	Percentage
RETURN_VALUE	1,228,800	100.0%

Successors	Count	Percentage
INTERPRETER_EXIT	1,228,800	100.0%

BINARY_OP_ADD_FLOAT

Successors and predecessors for BINARY_OP_ADD_FLOAT

Predecessors	Count	Percentage
BINARY_OP_SUBTRACT_FLOAT	2,457,520	100.0%
BINARY_OP	40	0.0%

Successors	Count	Percentage
STORE_FAST	2,457,560	100.0%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST

Predecessors	Count	Percentage
GET_ITER	2,539,480	100.0%
JUMP_BACKWARD	600	0.0%
FOR_ITER	40	0.0%

Successors	Count	Percentage
STORE_FAST	2,540,040	100.0%
LOAD_FAST	80	0.0%

FOR_ITER_TUPLE

Successors and predecessors for FOR_ITER_TUPLE

Predecessors	Count	Percentage
SWAP	1,269,720	48.4%
LOAD_FAST	1,228,780	46.8%
GET_ITER	124,320	4.7%
JUMP_BACKWARD	1,500	0.1%
FOR_ITER	100	0.0%

Successors	Count	Percentage
STORE_FAST	1,353,680	51.6%
STORE_FAST_LOAD_FAST	1,270,160	48.4%
RETURN_CONST	320	0.0%
JUMP_BACKWARD	260	0.0%

LOAD_ATTR_INSTANCE_VALUE

Successors and predecessors for LOAD_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	123,040	100.0%
LOAD_ATTR	20	0.0%

Successors	Count	Percentage
LOAD_CONST	123,060	100.0%

STORE_SUBSCR_LIST_INT

Successors and predecessors for STORE_SUBSCR_LIST_INT

Predecessors	Count	Percentage
LOAD_CONST	123,040	100.0%
STORE_SUBSCR	20	0.0%

Successors	Count	Percentage
LOAD_CONST	123,060	100.0%

CALL_TUPLE_1

Successors and predecessors for CALL_TUPLE_1

Predecessors	Count	Percentage
LOAD_FAST	40,920	100.0%
CALL	20	0.0%

Successors	Count	Percentage
STORE_FAST	40,940	100.0%

Specialization stats

Specialization stats by family

BINARY_OP

specialization stats for BINARY_OP family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	340	0.0%
hit ⓘ Specialized instructions that complete.	4,915,180	100.0%
miss ⓘ Specialized instructions that deopt.	60	0.0%

Success	Count	Ratio
Success	120	75.0%
Failure	40	25.0%

Failure kind	Count	Ratio
multiply different types	40	100.0%

BINARY_SUBSCR

specialization stats for BINARY_SUBSCR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	100	0.1%
hit ⓘ Specialized instructions that complete.	175,980	99.9%

Success	Count	Ratio
Success	100	100.0%
Failure	0	0.0%

CALL

specialization stats for CALL family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	13,565,240	10.2%
hit ⓘ Specialized instructions that complete.	118,636,140	89.6%
miss ⓘ Specialized instructions that deopt.	12,529,900	9.5%

Success	Count	Ratio
Success	238,340	99.7%
Failure	700	0.3%

Failure kind	Count	Ratio
class no vectorcall	700	100.0%

FOR_ITER

specialization stats for FOR_ITER family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	5,039,600	48.8%
hit ⓘ Specialized instructions that complete.	5,289,500	51.2%

Success	Count	Ratio
Success	240	9.8%
Failure	2,200	90.2%

Failure kind	Count	Ratio
dict items	1,500	68.2%
zip	700	31.8%

LOAD_ATTR

specialization stats for LOAD_ATTR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	5,091,200	10.1%
hit ⓘ Specialized instructions that complete.	45,444,100	89.9%
miss ⓘ Specialized instructions that deopt.	3,180	0.0%

Success	Count	Ratio
Success	680	20.2%
Failure	2,680	79.8%

Failure kind	Count	Ratio
method	1,280	47.8%
class attr descriptor	900	33.6%
metaclass attribute	500	18.7%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	1,560	0.0%
hit ⓘ Specialized instructions that complete.	78,435,440	100.0%

Success	Count	Ratio
Success	1,540	100.0%
Failure	0	0.0%

POP_JUMP_IF_FALSE

specialization stats for POP_JUMP_IF_FALSE family

POP_JUMP_IF_NONE

specialization stats for POP_JUMP_IF_NONE family

POP_JUMP_IF_NOT_NONE

specialization stats for POP_JUMP_IF_NOT_NONE family

POP_JUMP_IF_TRUE

specialization stats for POP_JUMP_IF_TRUE family

STORE_ATTR

specialization stats for STORE_ATTR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	1,357,920	93.0%
hit ⓘ Specialized instructions that complete.	75,980	5.2%
miss ⓘ Specialized instructions that deopt.	1,383,860	94.8%

Success	Count	Ratio
Success	26,240	100.0%
Failure	0	0.0%

STORE_SUBSCR

specialization stats for STORE_SUBSCR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	340	0.0%
hit ⓘ Specialized instructions that complete.	20,407,420	100.0%

Success	Count	Ratio
Success	340	100.0%
Failure	0	0.0%

TO_BOOL

specialization stats for TO_BOOL family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	1,270,080	16.7%
hit ⓘ Specialized instructions that complete.	6,332,680	83.3%

Success	Count	Ratio
Success	300	30.0%
Failure	700	70.0%

Failure kind	Count	Ratio
tuple	700	100.0%

UNPACK_SEQUENCE

specialization stats for UNPACK_SEQUENCE family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	100	0.0%
hit ⓘ Specialized instructions that complete.	5,038,720	100.0%

Success	Count	Ratio
Success	100	100.0%
Failure	0	0.0%

Specialization effectiveness

specialization effectiveness

All entries are execution counts. Should add up to the total number of Tier 1 instructions executed.

Instructions	Count	Ratio
Basic ⓘ Instructions that are not and cannot be specialized, e.g. `LOAD_FAST`.	835,733,280	64.3%
Not specialized ⓘ Instructions that could be specialized but aren't, e.g. `LOAD_ATTR`, `BINARY_SLICE`.	90,058,820	6.9%
Specialized hits ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that complete.	360,544,060	27.7%
Specialized misses ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that deopt.	13,917,000	1.1%

Deferred by instruction

Breakdown of deferred (not specialized) instruction counts by family

Name	Count	Ratio
CALL	13,565,240	51.5%
LOAD_ATTR	5,091,200	19.3%
FOR_ITER	5,039,600	19.1%
STORE_ATTR	1,357,920	5.2%
TO_BOOL	1,270,080	4.8%
LOAD_GLOBAL	1,560	0.0%
STORE_SUBSCR	340	0.0%
BINARY_OP	340	0.0%
BINARY_SUBSCR	100	0.0%
UNPACK_SEQUENCE	100	0.0%

Misses by instruction

Breakdown of misses (specialized deopts) instruction counts by family

Name	Count	Ratio
CALL_PY_GENERAL	8,001,940	57.5%
CALL_PY_EXACT_ARGS	4,527,920	32.5%
STORE_ATTR_INSTANCE_VALUE	1,383,860	9.9%
LOAD_ATTR_METHOD_WITH_VALUES	3,180	0.0%
BINARY_OP_ADD_FLOAT	60	0.0%
CALL_ALLOC_AND_ENTER_INIT	40	0.0%
CACHE	0	0.0%
CHECK_EXC_MATCH	0	0.0%
EXIT_INIT_CHECK	0	0.0%
GET_ITER	0	0.0%

Call stats

Inlined calls and frame stats

This shows what fraction of calls to Python functions are inlined (i.e. not having a call at the C level) and for those that are not, where the call comes from. The various categories overlap.

Also includes the count of frame objects created.

	Count	Ratio
Calls to PyEval_EvalDefault	2,539,700	2.5%
Calls to Python functions inlined	97,198,640	97.5%
Calls via PyEval_EvalFrame (total)	2,539,700	2.5%
Calls via PyEval_EvalFrame (vector)	82,100	0.1%
Calls via PyEval_EvalFrame (generator)	2,457,600	2.5%
Calls via PyEval_EvalFrame (legacy)	0	0.0%
Calls via PyEval_EvalFrame (function vectorcall)	82,020	0.1%
Calls via PyEval_EvalFrame (build class)	80	0.0%
Calls via PyEval_EvalFrame (slot)	0	0.0%
Calls via PyEval_EvalFrame (function ex)	2,499,040	2.5%
Calls via PyEval_EvalFrame (api)	0	0.0%
Calls via PyEval_EvalFrame (method)	20	0.0%
Frame objects created	3,809,280	3.8%
Frames pushed	97,280,820	97.5%

Object stats

Allocations, frees and dict materializatons

Below, "allocations" means "allocations that are not from a freelist". Total allocations = "Allocations from freelist" + "Allocations".

"Inline values" is the number of values arrays inlined into objects.

The cache hit/miss numbers are for the MRO cache, split into dunder and other names.

	Count	Ratio
Allocations from freelist	44,034,800	27.3%
Frees to freelist	44,074,940
Allocations	117,456,740	72.7%
Allocations to 512 bytes	117,455,920	72.7%
Allocations to 4 kbytes	780	0.0%
Allocations over 4 kbytes	40	0.0%
Frees	121,225,770
Inline values	1,269,920
Interpreter increfs	1,207,531,340	83.2%
Interpreter decrefs	1,383,802,880	86.5%
Increfs	243,531,780	16.8%
Decrefs	216,145,155	13.5%
Materialize dict (on request)	1,269,920	100.0%
Materialize dict (new key)	0	0.0%
Materialize dict (too big)	0	0.0%
Materialize dict (str subclass)	0	0.0%
Method cache hits	6,424,044
Method cache misses	436
Method cache collisions	1,083
Method cache dunder hits	21,303,823
Method cache dunder misses	1,097

GC stats

GC collections and effectiveness

Collected/visits gives some measure of efficiency.

Generation	Objects collected	Object visits
0	0	0
1	1,920	171,840
2	0	0

Optimization (Tier 2) stats

statistics about the Tier 2 optimizer

	Count	Ratio
Optimization attempts ⓘ The number of times a potential trace is identified. Specifically, this occurs in the JUMP BACKWARD instruction when the counter reaches a threshold.	12,620
Traces created ⓘ The number of traces that were successfully created.	600	4.8%
Trace stack overflow ⓘ A trace is truncated because it would require more than 5 stack frames.	20	0.2%
Trace stack underflow ⓘ A potential trace is abandoned because it pops more frames than it pushes.	7,260	57.5%
Trace too long ⓘ A trace is truncated because it is longer than the instruction buffer.	0	0.0%
Trace too short ⓘ A potential trace is abandoced because it it too short.	12,020	95.2%
Inner loop found ⓘ A trace is truncated because it has an inner loop	520	4.1%
Recursive call ⓘ A trace is truncated because it has a recursive call.	0	0.0%
Low confidence ⓘ A trace is abandoned because the likelihood of the jump to top being taken is too low.	140	1.1%
Executors invalidated ⓘ The number of executors that were invalidated due to watched dictionary changes.	0	0.0%
Traces executed ⓘ The number of traces that were executed	111,411,440
Uops executed ⓘ The total number of uops (micro-operations) that were executed	2,473,694,540	2,220.3%

	Count	Ratio
Optimizer attempts ⓘ The number of times the trace optimizer (_Py_uop_analyze_and_optimize) was run.	600
Optimizer successes ⓘ The number of traces that were successfully optimized.	600	100.0%
Optimizer no memory ⓘ The number of optimizations that failed due to no memory.	0	0.0%
Remove globals builtins changed ⓘ The builtins changed during optimization	0	0.0%
Remove globals incorrect keys ⓘ The keys in the globals dictionary aren't what was expected	0	0.0%

Trace length histogram

trace length histogram

Range	Count	Ratio
<= 1	0	0.0%
<= 2	0	0.0%
<= 4	0	0.0%
<= 8	80	13.3%
<= 16	0	0.0%
<= 32	60	10.0%
<= 64	40	6.7%
<= 128	220	36.7%
<= 256	160	26.7%
<= 512	40	6.7%

Optimized trace length histogram

optimized trace length histogram

Range	Count	Ratio
<= 1	0	0.0%
<= 2	0	0.0%
<= 4	80	13.3%
<= 8	0	0.0%
<= 16	60	10.0%
<= 32	40	6.7%
<= 64	60	10.0%
<= 128	280	46.7%
<= 256	80	13.3%

Trace run length histogram

trace run length histogram

Range	Count	Ratio
<= 1	0	0.0%
<= 2	0	0.0%
<= 4	28,564,360	25.6%
<= 8	5,938,260	5.3%
<= 16	2,002,560	1.8%
<= 32	11,774,080	10.6%
<= 64	5,364,820	4.8%
<= 128	9,084,040	8.2%
<= 256	4,915,020	4.4%
<= 512	1,228,720	1.1%

Uop execution stats

uop execution stats

Name	Count	Self	Cumulative	Miss ratio
_SET_IP	184,620,100	7.5%	7.5%
_CHECK_VALIDITY	145,813,960	5.9%	13.4%
_LOAD_FAST_1	133,916,480	5.4%	18.8%
_LOAD_FAST_0	117,814,940	4.8%	23.5%
_CHECK_PERIODIC	98,558,560	4.0%	27.5%
_LOAD_FAST_4	92,827,220	3.8%	31.3%
_LOAD_FAST_2	78,185,500	3.2%	34.4%
_START_EXECUTOR	68,871,860	2.8%	37.2%
_GUARD_IS_FALSE_POP	67,541,840	2.7%	39.9%	17.2%
_PUSH_NULL	67,391,840	2.7%	42.7%
_EXIT_TRACE	58,886,760	2.4%	45.1%
_GUARD_TYPE_VERSION	56,010,900	2.3%	47.3%
_LOAD_ATTR_METHOD_NO_DICT	54,292,640	2.2%	49.5%
_GUARD_IS_NOT_NONE_POP	51,912,740	2.1%	51.6%	5.0%
_LOAD_FAST_6	50,187,940	2.0%	53.6%
_CALL_METHOD_DESCRIPTOR_FAST	49,342,100	2.0%	55.6%
_LOAD_FAST_5	49,325,620	2.0%	57.6%
_STORE_FAST_5	48,030,940	1.9%	59.6%
_LOAD_CONST_INLINE_WITH_NULL	47,987,800	1.9%	61.5%
_RESUME_CHECK	47,787,060	1.9%	63.4%
_PUSH_FRAME	47,787,060	1.9%	65.4%
_SAVE_RETURN_OFFSET	47,787,060	1.9%	67.3%
_STORE_FAST_4	46,606,080	1.9%	69.2%
_CALL_BUILTIN_O	42,902,180	1.7%	70.9%
_COLD_EXIT	42,539,580	1.7%	72.6%
_IS_OP	41,489,940	1.7%	74.3%
_CHECK_FUNCTION	40,595,440	1.6%	76.0%
_LOAD_FAST_3	40,454,280	1.6%	77.6%
_TIER2_RESUME_CHECK	38,824,960	1.6%	79.2%
_CHECK_FUNCTION_VERSION	30,839,520	1.2%	80.4%	13.1%
_STORE_FAST_3	30,631,440	1.2%	81.6%
_STORE_FAST_6	28,813,460	1.2%	82.8%
_LOAD_CONST_INLINE	28,196,340	1.1%	84.0%
_PY_FRAME_GENERAL	26,784,800	1.1%	85.0%
_CHECK_FUNCTION_EXACT_ARGS	25,993,140	1.1%	86.1%	19.2%
_POP_FRAME	24,615,700	1.0%	87.1%
_LOAD_CONST_INLINE_BORROW_WITH_NULL	23,907,180	1.0%	88.0%
_CALL_TYPE_1	23,866,560	1.0%	89.0%
_CHECK_PEP_523	23,796,340	1.0%	90.0%
_INIT_CALL_PY_EXACT_ARGS_2	21,002,260	0.8%	90.8%
_GUARD_NOT_EXHAUSTED_LIST	16,792,960	0.7%	91.5%	15.1%
_ITER_CHECK_LIST	16,792,960	0.7%	92.2%
_ITER_NEXT_LIST	14,253,520	0.6%	92.8%
_FOR_ITER_TIER_TWO	13,679,360	0.6%	93.3%	36.5%
_CHECK_STACK_SPACE	13,557,020	0.5%	93.9%
_POP_TOP	11,248,700	0.5%	94.3%
_JUMP_TO_TOP	11,058,520	0.4%	94.8%
_CHECK_VALIDITY_AND_SET_IP	10,014,240	0.4%	95.2%
_LOAD_CONST_INLINE_BORROW	9,361,600	0.4%	95.5%
_BINARY_SUBSCR_DICT	8,712,240	0.4%	95.9%
_UNPACK_SEQUENCE_TWO_TUPLE	8,682,780	0.4%	96.2%
_STORE_SUBSCR_DICT	7,445,240	0.3%	96.5%
_CHECK_STACK_SPACE_OPERAND	7,445,240	0.3%	96.9%
_GUARD_NOT_EXHAUSTED_TUPLE	6,919,160	0.3%	97.1%	45.6%
_ITER_CHECK_TUPLE	6,919,160	0.3%	97.4%
_DEOPT	6,223,400	0.3%	97.7%
_CALL_BUILTIN_FAST	5,045,520	0.2%	97.9%
_LOAD_FAST	4,241,020	0.2%	98.0%
_LOAD_FAST_7	3,784,140	0.2%	98.2%
_ITER_NEXT_TUPLE	3,766,020	0.2%	98.3%
_ERROR_POP_N	3,761,700	0.2%	98.5%
_STORE_FAST	2,979,640	0.1%	98.6%
_BUILD_MAP	2,527,760	0.1%	98.7%
_STORE_FAST_1	2,527,760	0.1%	98.8%
_TO_BOOL_BOOL	2,522,760	0.1%	98.9%
_STORE_FAST_7	2,522,760	0.1%	99.0%
_LIST_APPEND	2,457,380	0.1%	99.1%
_GUARD_NOT_EXHAUSTED_RANGE	2,005,100	0.1%	99.2%	8.2%
_ITER_CHECK_RANGE	2,005,100	0.1%	99.3%
_ITER_NEXT_RANGE	1,841,080	0.1%	99.4%
_BUILD_LIST	1,261,380	0.1%	99.4%
_CALL_INTRINSIC_1	1,261,380	0.1%	99.5%
_LIST_EXTEND	1,261,380	0.1%	99.5%
_CALL_ISINSTANCE	1,261,380	0.1%	99.6%
_TO_BOOL_NONE	1,261,380	0.1%	99.6%
_GUARD_IS_NONE_POP	1,261,380	0.1%	99.7%
_LOAD_ATTR	1,261,380	0.1%	99.7%
_LOAD_GLOBAL	1,261,380	0.1%	99.8%
_CALL_NON_PY_GENERAL	1,228,140	0.0%	99.8%
_CHECK_IS_NOT_PY_CALLABLE	1,228,140	0.0%	99.9%
_GUARD_DORV_NO_DICT	1,226,940	0.0%	99.9%	100.0%
_GET_ITER	571,620	0.0%	99.9%
_STORE_SUBSCR_LIST_INT	491,320	0.0%	100.0%
_CHECK_MANAGED_OBJECT_HAS_VALUES	491,320	0.0%	100.0%
_LOAD_ATTR_INSTANCE_VALUE_0	491,320	0.0%	100.0%
_CALL_BUILTIN_CLASS	40,620	0.0%	100.0%
_STORE_ATTR_INSTANCE_VALUE	120	0.0%	100.0%

Pair counts

Pair counts for top 100 Non-JIT uop pairs

Pairs of specialized operations that deoptimize and are then followed by the corresponding unspecialized instruction are not counted as pairs.

Pair	Count	Self	Cumulative
_CHECK_PERIODIC _CHECK_VALIDITY	89,805,700	3.6%	3.6%
_LOAD_FAST_1 _SET_IP	64,237,280	2.6%	6.2%
_GUARD_TYPE_VERSION _LOAD_ATTR_METHOD_NO_DICT	54,292,640	2.2%	8.4%
_SET_IP _CALL_METHOD_DESCRIPTOR_FAST	49,342,100	2.0%	10.4%
_CALL_METHOD_DESCRIPTOR_FAST _CHECK_PERIODIC	49,342,100	2.0%	12.4%
_SAVE_RETURN_OFFSET _PUSH_FRAME	47,787,060	1.9%	14.3%
_SET_IP _CALL_BUILTIN_O	42,902,180	1.7%	16.1%
_CALL_BUILTIN_O _CHECK_PERIODIC	42,902,180	1.7%	17.8%
_LOAD_CONST_INLINE_WITH_NULL _LOAD_FAST_0	39,281,180	1.6%	19.4%
_STORE_FAST_4 _LOAD_FAST_4	39,032,560	1.6%	21.0%
_IS_OP _GUARD_IS_FALSE_POP	38,991,600	1.6%	22.6%
_CHECK_FUNCTION _LOAD_CONST_INLINE_WITH_NULL	35,497,040	1.4%	24.0%
_LOAD_FAST_0 _LOAD_FAST_1	31,309,240	1.3%	25.3%
_GUARD_IS_FALSE_POP _LOAD_FAST_4	29,638,360	1.2%	26.5%
_LOAD_FAST_0 _SET_IP	28,051,800	1.1%	27.6%
_STORE_FAST_3 _LOAD_FAST_1	28,051,800	1.1%	28.7%
_LOAD_FAST_3 _LOAD_FAST_2	27,933,080	1.1%	29.9%
_START_EXECUTOR _TIER2_RESUME_CHECK	27,766,440	1.1%	31.0%
_RESUME_CHECK _CHECK_FUNCTION	26,784,800	1.1%	32.1%
_CHECK_FUNCTION_VERSION _PY_FRAME_GENERAL	26,784,800	1.1%	33.1%
_CHECK_VALIDITY _RESUME_CHECK	26,784,800	1.1%	34.2%
_CHECK_VALIDITY _STORE_FAST_3	26,784,800	1.1%	35.3%
_LOAD_FAST_1 _GUARD_IS_NOT_NONE_POP	26,784,800	1.1%	36.4%
_PUSH_FRAME _CHECK_VALIDITY	26,784,800	1.1%	37.5%
_PY_FRAME_GENERAL _SAVE_RETURN_OFFSET	26,784,800	1.1%	38.6%
_CHECK_VALIDITY _STORE_FAST_6	26,356,080	1.1%	39.6%
_START_EXECUTOR _GUARD_IS_FALSE_POP	26,027,480	1.1%	40.7%
_LOAD_FAST_2 _SET_IP	25,516,160	1.0%	41.7%
_CHECK_VALIDITY _STORE_FAST_4	25,475,540	1.0%	42.7%
_GUARD_IS_NOT_NONE_POP _LOAD_FAST_1	25,475,540	1.0%	43.8%
_LOAD_ATTR_METHOD_NO_DICT _LOAD_FAST_3	25,475,540	1.0%	44.8%
_LOAD_FAST_1 _GUARD_TYPE_VERSION	25,475,540	1.0%	45.8%
_LOAD_FAST_2 _PUSH_NULL	25,475,540	1.0%	46.9%
_LOAD_FAST_2 _IS_OP	25,475,540	1.0%	47.9%
_LOAD_FAST_4 _LOAD_FAST_2	25,475,540	1.0%	48.9%
_LOAD_FAST_5 _SET_IP	25,127,940	1.0%	49.9%
_STORE_FAST_6 _LOAD_FAST_6	25,127,940	1.0%	50.9%
_SET_IP _CHECK_FUNCTION_VERSION	24,327,260	1.0%	51.9%
_STORE_FAST_5 _LOAD_CONST_INLINE	23,907,120	1.0%	52.9%
_CALL_TYPE_1 _STORE_FAST_5	23,866,560	1.0%	53.9%
_LOAD_ATTR_METHOD_NO_DICT _LOAD_FAST_5	23,866,560	1.0%	54.8%
_LOAD_CONST_INLINE _GUARD_TYPE_VERSION	23,866,560	1.0%	55.8%
_LOAD_CONST_INLINE_BORROW_WITH_NULL _LOAD_FAST_0	23,866,560	1.0%	56.8%
_LOAD_FAST_0 _CALL_TYPE_1	23,866,560	1.0%	57.7%
_LOAD_FAST_6 _GUARD_IS_NOT_NONE_POP	23,866,560	1.0%	58.7%
_SET_IP _CHECK_PEP_523	23,796,340	1.0%	59.6%
_PUSH_NULL _LOAD_FAST_0	22,602,620	0.9%	60.6%
_GUARD_IS_NOT_NONE_POP _LOAD_FAST_6	22,602,620	0.9%	61.5%
_LOAD_FAST_6 _PUSH_NULL	22,602,620	0.9%	62.4%
_PUSH_NULL _LOAD_FAST_5	21,740,300	0.9%	63.3%
_GUARD_IS_FALSE_POP _LOAD_CONST_INLINE_BORROW_WITH_NULL	21,338,800	0.9%	64.1%
_INIT_CALL_PY_EXACT_ARGS_2 _SAVE_RETURN_OFFSET	21,002,260	0.8%	65.0%
_PUSH_FRAME _RESUME_CHECK	21,002,260	0.8%	65.8%
_LOAD_FAST_5 _LOAD_FAST_1	20,478,920	0.8%	66.7%
_LOAD_FAST_4 _EXIT_TRACE	18,579,680	0.8%	67.4%
_CHECK_PEP_523 _CHECK_FUNCTION_EXACT_ARGS	17,284,080	0.7%	68.1%
_TIER2_RESUME_CHECK _ITER_CHECK_LIST	16,792,960	0.7%	68.8%
_ITER_CHECK_LIST _GUARD_NOT_EXHAUSTED_LIST	16,792,960	0.7%	69.5%
_PUSH_NULL _LOAD_FAST_2	14,294,140	0.6%	70.0%
_LOAD_FAST_4 _PUSH_NULL	14,253,520	0.6%	70.6%
_STORE_FAST_5 _LOAD_FAST_4	14,253,520	0.6%	71.2%
_GUARD_NOT_EXHAUSTED_LIST _ITER_NEXT_LIST	14,253,520	0.6%	71.8%
_ITER_NEXT_LIST _STORE_FAST_5	14,253,520	0.6%	72.3%
_SET_IP _FOR_ITER_TIER_TWO	13,679,360	0.6%	72.9%
_TIER2_RESUME_CHECK _SET_IP	13,679,360	0.6%	73.4%
_RESUME_CHECK _LOAD_FAST_0	13,557,020	0.5%	74.0%
_CHECK_FUNCTION_EXACT_ARGS _CHECK_STACK_SPACE	13,557,020	0.5%	74.5%
_CHECK_STACK_SPACE _INIT_CALL_PY_EXACT_ARGS_2	13,557,020	0.5%	75.1%
_LOAD_FAST_0 _IS_OP	13,557,020	0.5%	75.6%
_LOAD_FAST_0 _POP_FRAME	13,557,020	0.5%	76.2%
_LOAD_FAST_4 _LOAD_FAST_0	13,557,020	0.5%	76.7%
_POP_FRAME _STORE_FAST_4	13,557,020	0.5%	77.3%
_GUARD_IS_FALSE_POP _EXIT_TRACE	11,584,540	0.5%	77.8%
_LOAD_FAST_4 _POP_FRAME	11,058,680	0.4%	78.2%
_JUMP_TO_TOP _TIER2_RESUME_CHECK	11,058,520	0.4%	78.6%
_LOAD_FAST_4 _LOAD_FAST_1	9,902,780	0.4%	79.0%
_CHECK_PERIODIC _CHECK_VALIDITY_AND_SET_IP	8,752,860	0.4%	79.4%
_CHECK_VALIDITY_AND_SET_IP _BINARY_SUBSCR_DICT	8,712,240	0.4%	79.8%
_SET_IP _CHECK_FUNCTION_EXACT_ARGS	8,709,060	0.4%	80.1%
_CHECK_VALIDITY _UNPACK_SEQUENCE_TWO_TUPLE	8,682,780	0.4%	80.5%
_FOR_ITER_TIER_TWO _CHECK_VALIDITY	8,682,780	0.4%	80.8%
_RESUME_CHECK _LOAD_FAST_1	7,445,240	0.3%	81.1%
_STORE_SUBSCR_DICT _CHECK_VALIDITY	7,445,240	0.3%	81.4%
_SET_IP _STORE_SUBSCR_DICT	7,445,240	0.3%	81.7%
_CHECK_FUNCTION_EXACT_ARGS _CHECK_STACK_SPACE_OPERAND	7,445,240	0.3%	82.0%
_CHECK_STACK_SPACE_OPERAND _INIT_CALL_PY_EXACT_ARGS_2	7,445,240	0.3%	82.3%
_CHECK_VALIDITY _CHECK_FUNCTION	7,445,240	0.3%	82.6%
_LOAD_CONST_INLINE_WITH_NULL _LOAD_FAST_1	7,445,240	0.3%	82.9%
_LOAD_FAST_1 _LOAD_CONST_INLINE_WITH_NULL	7,445,240	0.3%	83.2%
_LOAD_FAST_1 _LOAD_FAST_3	7,445,240	0.3%	83.5%
_LOAD_FAST_3 _SET_IP	7,445,240	0.3%	83.8%
_START_EXECUTOR _LOAD_FAST_4	7,445,240	0.3%	84.1%
_ITER_CHECK_TUPLE _GUARD_NOT_EXHAUSTED_TUPLE	6,919,160	0.3%	84.4%
_CHECK_PEP_523 _CHECK_FUNCTION_VERSION	6,512,260	0.3%	84.7%
_TIER2_RESUME_CHECK _ITER_CHECK_TUPLE	6,388,160	0.3%	84.9%
_LOAD_CONST_INLINE_BORROW _SET_IP	6,347,520	0.3%	85.2%
_UNPACK_SEQUENCE_TWO_TUPLE _STORE_FAST_4	6,225,400	0.3%	85.4%
_STORE_FAST_4 _STORE_FAST_5	6,225,400	0.3%	85.7%
_STORE_FAST_5 _LOAD_FAST_2	6,225,400	0.3%	85.9%
_POP_TOP _JUMP_TO_TOP	6,143,760	0.2%	86.2%

Unsupported opcodes

unsupported opcodes

Opcode	Count
CALL	4,020
CALL_FUNCTION_EX	500
CALL_LIST_APPEND	40

Optimizer errored out with opcode

Optimization stopped after encountering this opcode

Rare events

Counts of rare/unlikely events

Event	Count
set class ⓘ Setting an object's class, `obj.__class__ = ...`	0
set bases ⓘ Setting the bases of a class, `cls.__bases__ = ...`	0
set eval frame func ⓘ Setting the PEP 523 frame eval function `_PyInterpreterState_SetFrameEvalFunc()`	0
builtin dict ⓘ Modifying the builtins, `__builtins__.__dict__[var] = ...`	0
func modification ⓘ Modifying a function, e.g. `func.__defaults__ = ...`, etc.	0
watched dict modification ⓘ A watched dict has been modified	0
watched globals modification ⓘ A watched `globals()` dict has been modified	0

Meta stats

Meta statistics

	Count
Number of data files	60

Stats gathered on: 2024-06-16

Files

bm-20240615-azure-x86_64-python-a19bb261a327e1008f21-3.13.0b2+-a19bb26-pystats-deepcopy.md

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History

bm-20240615-azure-x86_64-python-a19bb261a327e1008f21-3.13.0b2+-a19bb26-pystats-deepcopy.md

File metadata and controls

Pystats results

Execution counts

Pair counts

Predecessor/Successor Pairs

CACHE

BINARY_SUBSCR

CHECK_EXC_MATCH

EXIT_INIT_CHECK

GET_ITER

INTERPRETER_EXIT

LOAD_BUILD_CLASS

MAKE_FUNCTION

NOP

POP_EXCEPT

POP_TOP

PUSH_EXC_INFO

PUSH_NULL

RETURN_VALUE

STORE_SUBSCR

TO_BOOL

BINARY_OP

BUILD_LIST

BUILD_MAP

BUILD_TUPLE

CALL

CALL_FUNCTION_EX

CALL_INTRINSIC_1

COPY_FREE_VARS

ENTER_EXECUTOR

FOR_ITER

IS_OP

JUMP_BACKWARD

JUMP_FORWARD

LIST_EXTEND

LOAD_ATTR

LOAD_CONST

LOAD_DEREF

LOAD_FAST

LOAD_FAST_LOAD_FAST

LOAD_GLOBAL

LOAD_NAME

MAKE_CELL

POP_JUMP_IF_FALSE

POP_JUMP_IF_NONE

POP_JUMP_IF_NOT_NONE

POP_JUMP_IF_TRUE

RETURN_CONST

SET_FUNCTION_ATTRIBUTE

STORE_ATTR

STORE_DEREF

STORE_FAST

STORE_FAST_STORE_FAST

STORE_NAME

UNPACK_SEQUENCE

RESUME

BINARY_OP_SUBTRACT_FLOAT

BINARY_SUBSCR_DICT

CALL_ALLOC_AND_ENTER_INIT

CALL_BUILTIN_CLASS

CALL_BUILTIN_FAST

CALL_BUILTIN_FAST_WITH_KEYWORDS

CALL_BUILTIN_O

CALL_ISINSTANCE

CALL_LIST_APPEND

CALL_METHOD_DESCRIPTOR_FAST

CALL_METHOD_DESCRIPTOR_NOARGS

CALL_NON_PY_GENERAL

CALL_PY_EXACT_ARGS

CALL_PY_GENERAL

CALL_TYPE_1

FOR_ITER_RANGE

LOAD_ATTR_METHOD_NO_DICT

LOAD_ATTR_METHOD_WITH_VALUES

LOAD_ATTR_MODULE