Pystats results

benchmark: deepcopy
fork: brandtbucher
ref: remove-optimizer-api
commit hash: 085e172
commit date: 2025-01-21T19:51:13-08:00

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	75,010,600	13.9%	13.9%
RETURN_VALUE	48,508,400	9.0%	22.9%
LOAD_FAST_LOAD_FAST	40,344,840	7.5%	30.4%
PUSH_NULL	39,977,420	7.4%	37.8%
ENTER_EXECUTOR	39,830,500	7.4%	45.2%
POP_TOP	24,023,940	4.5%	49.7%
CALL_BUILTIN_O	23,255,140	4.3%	54.0%
STORE_FAST	22,897,300	4.2%	58.2%
STORE_SUBSCR_DICT	18,032,680	3.3%	61.6%
LOAD_GLOBAL_BUILTIN	17,729,520	3.3%	64.9%
CALL_PY_GENERAL	16,398,700	3.0%	67.9%	13.6%
POP_JUMP_IF_FALSE	15,483,440	2.9%	70.8%
RESUME_CHECK	12,627,740	2.3%	73.1%	0.0%
LOAD_CONST_IMMORTAL	8,757,720	1.6%	74.8%
IS_OP	8,571,100	1.6%	76.4%
LOAD_GLOBAL_MODULE	8,204,800	1.5%	77.9%
GET_ITER	6,857,580	1.3%	79.2%
JUMP_FORWARD	6,758,600	1.3%	80.4%
CALL_PY_EXACT_ARGS	6,666,960	1.2%	81.6%
NOP	5,744,820	1.1%	82.7%
BINARY_SUBSCR_DICT	5,744,640	1.1%	83.8%
BUILD_LIST	5,714,340	1.1%	84.8%
LOAD_DEREF	5,683,620	1.1%	85.9%
LOAD_METHOD_NO_DICT	5,002,380	0.9%	86.8%
POP_JUMP_IF_NONE	4,909,780	0.9%	87.7%
TO_BOOL_BOOL	4,792,500	0.9%	88.6%
CALL_NON_PY_GENERAL	3,844,180	0.7%	89.3%
CALL_LIST_APPEND	3,809,280	0.7%	90.0%
LOAD_ATTR	2,984,480	0.6%	90.6%
CHECK_EXC_MATCH	2,856,960	0.5%	91.1%
POP_EXCEPT	2,856,960	0.5%	91.7%
PUSH_EXC_INFO	2,856,960	0.5%	92.2%
LIST_APPEND	2,856,960	0.5%	92.7%
CALL_FUNCTION_EX	2,826,600	0.5%	93.2%
LOAD_ATTR_MODULE	2,096,360	0.4%	93.6%
FOR_ITER_TUPLE	2,071,840	0.4%	94.0%
MAKE_CELL	1,904,940	0.4%	94.4%
INTERPRETER_EXIT	1,904,740	0.4%	94.7%
SWAP	1,904,640	0.4%	95.1%
FOR_ITER_LIST	1,904,640	0.4%	95.4%
BINARY_OP_SUBTRACT_FLOAT	1,843,320	0.3%	95.8%
BINARY_OP_ADD_FLOAT	1,843,200	0.3%	96.1%	0.0%
FOR_ITER	1,137,180	0.2%	96.3%
STORE_FAST_STORE_FAST	1,075,420	0.2%	96.5%
UNPACK_SEQUENCE_TWO_TUPLE	1,075,420	0.2%	96.7%
CALL_BUILTIN_FAST	1,075,200	0.2%	96.9%
LOAD_CONST_MORTAL	1,018,240	0.2%	97.1%
STORE_FAST_LOAD_FAST	986,440	0.2%	97.3%
TO_BOOL	952,900	0.2%	97.5%
BUILD_TUPLE	952,860	0.2%	97.7%
LIST_EXTEND	952,620	0.2%	97.8%
COPY_FREE_VARS	952,560	0.2%	98.0%
CALL_INTRINSIC_1	952,500	0.2%	98.2%
POP_JUMP_IF_TRUE	952,500	0.2%	98.4%
LOAD_FAST_AND_CLEAR	952,320	0.2%	98.5%
CALL_ISINSTANCE	952,320	0.2%	98.7%
MAKE_FUNCTION	922,020	0.2%	98.9%
SET_FUNCTION_ATTRIBUTE	921,900	0.2%	99.1%
RETURN_GENERATOR	921,600	0.2%	99.2%
YIELD_VALUE	921,600	0.2%	99.4%
LOAD_ATTR_CLASS	921,600	0.2%	99.6%
JUMP_BACKWARD_JIT	317,620	0.1%	99.6%
POP_ITER	282,960	0.1%	99.7%
LOAD_SMALL_INT	253,160	0.0%	99.7%
FOR_ITER_RANGE	187,900	0.0%	99.8%
CALL_TYPE_1	184,660	0.0%	99.8%
CONTAINS_OP_SET	184,660	0.0%	99.8%
CALL_METHOD_DESCRIPTOR_FAST	178,940	0.0%	99.9%
STORE_ATTR	129,800	0.0%	99.9%
BUILD_MAP	123,120	0.0%	99.9%
CALL_BUILTIN_CLASS	95,740	0.0%	99.9%
STORE_SUBSCR_LIST_INT	64,840	0.0%	99.9%
STORE_ATTR_INSTANCE_VALUE	61,860	0.0%	100.0%	10.3%
POP_JUMP_IF_NOT_NONE	61,680	0.0%	100.0%
CALL_METHOD_DESCRIPTOR_NOARGS	61,660	0.0%	100.0%
LOAD_METHOD_WITH_VALUES	31,140	0.0%	100.0%	10.2%
TO_BOOL_NONE	30,720	0.0%	100.0%
NOT_TAKEN	30,720	0.0%	100.0%
CALL_TUPLE_1	30,720	0.0%	100.0%
CALL	800	0.0%	100.0%
LOAD_ATTR_INSTANCE_VALUE	720	0.0%	100.0%
LOAD_METHOD	480	0.0%	100.0%
STORE_NAME	480	0.0%	100.0%
LOAD_GLOBAL	360	0.0%	100.0%
STORE_DEREF	300	0.0%	100.0%
BINARY_OP	200	0.0%	100.0%
BINARY_SUBSCR_TUPLE_INT	180	0.0%	100.0%
CALL_METHOD_DESCRIPTOR_O	180	0.0%	100.0%
CALL_ALLOC_AND_ENTER_INIT	120	0.0%	100.0%	33.3%
EXIT_INIT_CHECK	80	0.0%	100.0%
BINARY_SUBSCR	60	0.0%	100.0%
UNPACK_SEQUENCE	60	0.0%	100.0%
LOAD_BUILD_CLASS	60	0.0%	100.0%
LOAD_LOCALS	60	0.0%	100.0%
LOAD_NAME	60	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
ENTER_EXECUTOR RETURN_VALUE	33,914,560	6.3%	6.3%
PUSH_NULL LOAD_FAST	18,682,200	3.5%	9.8%
PUSH_NULL LOAD_FAST_LOAD_FAST	17,324,460	3.2%	13.0%
LOAD_GLOBAL_BUILTIN PUSH_NULL	13,889,460	2.6%	15.6%
POP_TOP ENTER_EXECUTOR	13,516,800	2.5%	18.1%
CALL_PY_GENERAL ENTER_EXECUTOR	13,277,880	2.5%	20.5%
RETURN_VALUE CALL_BUILTIN_O	12,595,200	2.3%	22.9%
CALL_BUILTIN_O POP_TOP	12,595,200	2.3%	25.2%
LOAD_FAST CALL_BUILTIN_O	10,629,220	2.0%	27.2%
LOAD_FAST_LOAD_FAST CALL_PY_GENERAL	10,627,140	2.0%	29.1%
RETURN_VALUE STORE_FAST	10,414,700	1.9%	31.1%
STORE_FAST LOAD_FAST	9,887,660	1.8%	32.9%
LOAD_FAST LOAD_GLOBAL_BUILTIN	8,632,320	1.6%	34.5%
POP_TOP LOAD_FAST	8,571,060	1.6%	36.1%
LOAD_FAST RETURN_VALUE	7,864,980	1.5%	37.6%
LOAD_FAST_LOAD_FAST IS_OP	7,618,600	1.4%	39.0%
RETURN_VALUE LOAD_FAST_LOAD_FAST	7,495,680	1.4%	40.4%
RETURN_VALUE STORE_SUBSCR_DICT	7,495,680	1.4%	41.8%
LOAD_FAST_LOAD_FAST PUSH_NULL	7,495,680	1.4%	43.2%
STORE_SUBSCR_DICT ENTER_EXECUTOR	7,372,800	1.4%	44.5%
IS_OP POP_JUMP_IF_FALSE	6,666,280	1.2%	45.8%
LOAD_FAST PUSH_NULL	5,985,560	1.1%	46.9%
LOAD_CONST_IMMORTAL RETURN_VALUE	5,776,080	1.1%	47.9%
STORE_FAST JUMP_FORWARD	5,775,560	1.1%	49.0%
RETURN_VALUE POP_TOP	5,745,180	1.1%	50.1%
CALL_PY_EXACT_ARGS RESUME_CHECK	5,745,180	1.1%	51.1%
LOAD_GLOBAL_MODULE PUSH_NULL	5,744,880	1.1%	52.2%
NOP LOAD_FAST	5,744,820	1.1%	53.3%
CALL_BUILTIN_O BINARY_SUBSCR_DICT	5,744,640	1.1%	54.3%
LOAD_FAST_LOAD_FAST CALL_PY_EXACT_ARGS	5,714,160	1.1%	55.4%
LOAD_FAST_LOAD_FAST LOAD_FAST	5,713,980	1.1%	56.5%
LOAD_FAST STORE_SUBSCR_DICT	5,713,920	1.1%	57.5%
POP_JUMP_IF_FALSE LOAD_FAST_LOAD_FAST	5,713,920	1.1%	58.6%
RESUME_CHECK NOP	5,713,920	1.1%	59.7%
STORE_SUBSCR_DICT LOAD_GLOBAL_MODULE	5,713,920	1.1%	60.7%
JUMP_FORWARD LOAD_FAST_LOAD_FAST	5,683,200	1.1%	61.8%
LOAD_FAST POP_JUMP_IF_NONE	4,909,780	0.9%	62.7%
LOAD_METHOD_NO_DICT LOAD_FAST	4,909,780	0.9%	63.6%
POP_JUMP_IF_NONE LOAD_FAST	4,848,340	0.9%	64.5%
CALL_BUILTIN_O STORE_SUBSCR_DICT	4,823,080	0.9%	65.4%
TO_BOOL_BOOL POP_JUMP_IF_FALSE	4,792,320	0.9%	66.3%
LOAD_FAST GET_ITER	4,700,160	0.9%	67.1%
POP_JUMP_IF_FALSE LOAD_FAST	3,932,640	0.7%	67.9%
LOAD_FAST CALL_LIST_APPEND	3,809,280	0.7%	68.6%
BINARY_SUBSCR_DICT LOAD_METHOD_NO_DICT	3,809,280	0.7%	69.3%
CALL_LIST_APPEND LOAD_CONST_IMMORTAL	3,809,280	0.7%	70.0%
ENTER_EXECUTOR CALL_PY_GENERAL	3,698,420	0.7%	70.7%
STORE_FAST LOAD_FAST_LOAD_FAST	3,143,720	0.6%	71.3%
CALL_PY_GENERAL RESUME_CHECK	3,078,600	0.6%	71.8%
STORE_SUBSCR_DICT LOAD_FAST	2,918,440	0.5%	72.4%
LOAD_FAST LOAD_ATTR	2,887,800	0.5%	72.9%
LOAD_FAST TO_BOOL_BOOL	2,857,080	0.5%	73.4%
CHECK_EXC_MATCH POP_JUMP_IF_FALSE	2,856,960	0.5%	74.0%
PUSH_EXC_INFO LOAD_GLOBAL_BUILTIN	2,856,960	0.5%	74.5%
RETURN_VALUE LIST_APPEND	2,856,960	0.5%	75.0%
BUILD_LIST LOAD_FAST	2,856,960	0.5%	75.6%
POP_JUMP_IF_FALSE POP_TOP	2,856,960	0.5%	76.1%
LOAD_GLOBAL_BUILTIN CHECK_EXC_MATCH	2,856,960	0.5%	76.6%
RESUME_CHECK LOAD_FAST	2,826,780	0.5%	77.2%
LOAD_FAST BUILD_LIST	2,826,480	0.5%	77.7%
LOAD_FAST LOAD_DEREF	2,826,240	0.5%	78.2%
LIST_APPEND ENTER_EXECUTOR	2,805,760	0.5%	78.7%
LOAD_ATTR_MODULE PUSH_NULL	2,096,360	0.4%	79.1%
LOAD_GLOBAL_MODULE LOAD_ATTR_MODULE	2,096,160	0.4%	79.5%
LOAD_FAST LOAD_GLOBAL_MODULE	2,027,860	0.4%	79.9%
GET_ITER FOR_ITER_TUPLE	1,969,480	0.4%	80.2%
LOAD_FAST_LOAD_FAST LOAD_GLOBAL_BUILTIN	1,966,120	0.4%	80.6%
PUSH_NULL CALL_NON_PY_GENERAL	1,939,160	0.4%	81.0%
BINARY_SUBSCR_DICT PUSH_EXC_INFO	1,935,360	0.4%	81.3%
PUSH_NULL CALL_FUNCTION_EX	1,905,000	0.4%	81.7%
GET_ITER FOR_ITER_LIST	1,904,640	0.4%	82.0%
POP_EXCEPT LOAD_CONST_IMMORTAL	1,904,640	0.4%	82.4%
BUILD_LIST STORE_FAST	1,904,640	0.4%	82.7%
LOAD_ATTR STORE_FAST	1,904,640	0.4%	83.1%
FOR_ITER_LIST STORE_FAST	1,904,640	0.4%	83.4%
RESUME_CHECK BUILD_LIST	1,904,640	0.4%	83.8%
STORE_SUBSCR_DICT POP_EXCEPT	1,904,640	0.4%	84.2%
LOAD_DEREF PUSH_NULL	1,874,160	0.3%	84.5%
LOAD_DEREF CALL_PY_GENERAL	1,873,920	0.3%	84.8%
CALL_NON_PY_GENERAL LOAD_FAST	1,843,320	0.3%	85.2%
LOAD_FAST BINARY_OP_SUBTRACT_FLOAT	1,843,280	0.3%	85.5%
STORE_FAST ENTER_EXECUTOR	1,843,200	0.3%	85.9%
BINARY_OP_ADD_FLOAT STORE_FAST	1,843,200	0.3%	86.2%
BINARY_OP_SUBTRACT_FLOAT BINARY_OP_ADD_FLOAT	1,843,200	0.3%	86.6%
UNPACK_SEQUENCE_TWO_TUPLE STORE_FAST_STORE_FAST	1,075,420	0.2%	86.8%
FOR_ITER UNPACK_SEQUENCE_TWO_TUPLE	1,075,240	0.2%	87.0%
FOR_ITER_TUPLE STORE_FAST	1,051,280	0.2%	87.2%
POP_JUMP_IF_FALSE LOAD_GLOBAL_BUILTIN	1,044,540	0.2%	87.3%
LOAD_FAST LOAD_CONST_IMMORTAL	1,014,120	0.2%	87.5%
GET_ITER FOR_ITER	1,013,800	0.2%	87.7%
LOAD_CONST_IMMORTAL CALL_BUILTIN_FAST	1,013,760	0.2%	87.9%
STORE_FAST_LOAD_FAST PUSH_NULL	986,440	0.2%	88.1%
FOR_ITER_TUPLE STORE_FAST_LOAD_FAST	986,440	0.2%	88.3%
RESUME_CHECK LOAD_DEREF	983,220	0.2%	88.5%
STORE_FAST LOAD_GLOBAL_BUILTIN	983,160	0.2%	88.6%
RETURN_VALUE INTERPRETER_EXIT	983,140	0.2%	88.8%
JUMP_FORWARD LOAD_GLOBAL_BUILTIN	983,040	0.2%	89.0%
LOAD_DEREF LOAD_CONST_IMMORTAL	983,040	0.2%	89.2%
CALL_BUILTIN_FAST TO_BOOL_BOOL	983,040	0.2%	89.4%
MAKE_CELL RESUME_CHECK	952,620	0.2%	89.5%

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	952,540	50.0%
POP_TOP	921,600	48.4%
COPY_FREE_VARS	30,780	1.6%

BINARY_SUBSCR

Successors and predecessors for BINARY_SUBSCR

Predecessors	Count	Percentage
LOAD_SMALL_INT	60	100.0%

Successors	Count	Percentage
BINARY_SUBSCR_TUPLE_INT	60	100.0%

CALL_FUNCTION_EX

Successors and predecessors for CALL_FUNCTION_EX

Predecessors	Count	Percentage
PUSH_NULL	1,905,000	67.4%
ENTER_EXECUTOR	921,580	32.6%
JUMP_BACKWARD_JIT	20	0.0%

Successors	Count	Percentage
MAKE_CELL	952,380	33.7%
RESUME_CHECK	921,720	32.6%
RETURN_VALUE	921,600	32.6%
STORE_FAST	30,720	1.1%

CHECK_EXC_MATCH

Successors and predecessors for CHECK_EXC_MATCH

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	2,856,960	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	2,856,960	100.0%

EXIT_INIT_CHECK

Successors and predecessors for EXIT_INIT_CHECK

Predecessors	Count	Percentage
RETURN_VALUE	80	100.0%

Successors	Count	Percentage
RETURN_VALUE	80	100.0%

GET_ITER

Successors and predecessors for GET_ITER

Predecessors	Count	Percentage
LOAD_FAST	4,700,160	68.5%
SWAP	952,320	13.9%
CALL_NON_PY_GENERAL	952,320	13.9%
CALL_BUILTIN_CLASS	95,740	1.4%
LOAD_CONST_MORTAL	95,560	1.4%

Successors	Count	Percentage
FOR_ITER_TUPLE	1,969,480	28.7%
FOR_ITER_LIST	1,904,640	27.8%
FOR_ITER	1,013,800	14.8%
LOAD_FAST_AND_CLEAR	952,320	13.9%
CALL_PY_EXACT_ARGS	921,600	13.4%

INTERPRETER_EXIT

Successors and predecessors for INTERPRETER_EXIT

Predecessors	Count	Percentage
RETURN_VALUE	983,140	51.6%
YIELD_VALUE	921,600	48.4%

MAKE_FUNCTION

Successors and predecessors for MAKE_FUNCTION

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	922,020	100.0%

Successors	Count	Percentage
SET_FUNCTION_ATTRIBUTE	921,900	100.0%
STORE_NAME	120	0.0%

NOP

Successors and predecessors for NOP

Predecessors	Count	Percentage
RESUME_CHECK	5,713,920	99.5%
STORE_FAST	30,720	0.5%
POP_JUMP_IF_TRUE	180	0.0%

Successors	Count	Percentage
LOAD_FAST	5,744,820	100.0%

POP_EXCEPT

Successors and predecessors for POP_EXCEPT

Predecessors	Count	Percentage
STORE_SUBSCR_DICT	1,904,640	66.7%
POP_TOP	952,320	33.3%

Successors	Count	Percentage
LOAD_CONST_IMMORTAL	1,904,640	66.7%
JUMP_FORWARD	952,320	33.3%

POP_ITER

Successors and predecessors for POP_ITER

Predecessors	Count	Percentage
ENTER_EXECUTOR	187,040	66.1%
FOR_ITER	61,580	21.8%
FOR_ITER_TUPLE	34,120	12.1%
FOR_ITER_RANGE	180	0.1%
JUMP_BACKWARD_JIT	40	0.0%

Successors	Count	Percentage
LOAD_FAST	123,120	43.5%
JUMP_BACKWARD_JIT	81,920	29.0%
LOAD_CONST_MORTAL	30,720	10.9%
STORE_FAST	30,720	10.9%
ENTER_EXECUTOR	16,360	5.8%

POP_TOP

Successors and predecessors for POP_TOP

Predecessors	Count	Percentage
CALL_BUILTIN_O	12,595,200	52.4%
RETURN_VALUE	5,745,180	23.9%
POP_JUMP_IF_FALSE	2,856,960	11.9%
CALL_NON_PY_GENERAL	952,500	4.0%
CACHE	921,600	3.8%

Successors	Count	Percentage
ENTER_EXECUTOR	13,516,800	56.3%
LOAD_FAST	8,571,060	35.7%
POP_EXCEPT	952,320	4.0%
RESUME_CHECK	921,600	3.8%
LOAD_CONST_IMMORTAL	31,260	0.1%

PUSH_EXC_INFO

Successors and predecessors for PUSH_EXC_INFO

Predecessors	Count	Percentage
BINARY_SUBSCR_DICT	1,935,360	67.7%
ENTER_EXECUTOR	921,600	32.3%

Successors	Count	Percentage
LOAD_GLOBAL_BUILTIN	2,856,960	100.0%

PUSH_NULL

Successors and predecessors for PUSH_NULL

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	13,889,460	34.7%
LOAD_FAST_LOAD_FAST	7,495,680	18.7%
LOAD_FAST	5,985,560	15.0%
LOAD_GLOBAL_MODULE	5,744,880	14.4%
LOAD_ATTR_MODULE	2,096,360	5.2%

Successors	Count	Percentage
LOAD_FAST	18,682,200	46.7%
LOAD_FAST_LOAD_FAST	17,324,460	43.3%
CALL_NON_PY_GENERAL	1,939,160	4.9%
CALL_FUNCTION_EX	1,905,000	4.8%
LOAD_SMALL_INT	126,280	0.3%

RETURN_GENERATOR

Successors and predecessors for RETURN_GENERATOR

Predecessors	Count	Percentage
COPY_FREE_VARS	921,600	100.0%

Successors	Count	Percentage
STORE_FAST	921,600	100.0%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE

Predecessors	Count	Percentage
ENTER_EXECUTOR	33,914,560	69.9%
LOAD_FAST	7,864,980	16.2%
LOAD_CONST_IMMORTAL	5,776,080	11.9%
CALL_FUNCTION_EX	921,600	1.9%
BUILD_TUPLE	30,720	0.1%

Successors	Count	Percentage
CALL_BUILTIN_O	12,595,200	26.0%
STORE_FAST	10,414,700	21.5%
LOAD_FAST_LOAD_FAST	7,495,680	15.5%
STORE_SUBSCR_DICT	7,495,680	15.5%
POP_TOP	5,745,180	11.8%

TO_BOOL

Successors and predecessors for TO_BOOL

Predecessors	Count	Percentage
LOAD_FAST	952,380	99.9%
TO_BOOL	340	0.0%
LOAD_ATTR_INSTANCE_VALUE	180	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	952,500	100.0%
TO_BOOL	340	0.0%
TO_BOOL_BOOL	60	0.0%

BINARY_OP

Successors and predecessors for BINARY_OP

Predecessors	Count	Percentage
LOAD_SMALL_INT	120	60.0%
BINARY_OP	40	20.0%
LOAD_FAST	40	20.0%

Successors	Count	Percentage
BUILD_MAP	60	30.0%
STORE_FAST	60	30.0%
BINARY_OP_SUBTRACT_FLOAT	40	20.0%
BINARY_OP	40	20.0%

BUILD_LIST

Successors and predecessors for BUILD_LIST

Predecessors	Count	Percentage
LOAD_FAST	2,826,480	49.5%
RESUME_CHECK	1,904,640	33.3%
SWAP	952,320	16.7%
LOAD_FAST_LOAD_FAST	30,720	0.5%
LOAD_SMALL_INT	60	0.0%

Successors	Count	Percentage
LOAD_FAST	2,856,960	50.0%
STORE_FAST	1,904,640	33.3%
SWAP	952,320	16.7%
LOAD_DEREF	180	0.0%
LOAD_CONST_MORTAL	120	0.0%

BUILD_MAP

Successors and predecessors for BUILD_MAP

Predecessors	Count	Percentage
RESUME_CHECK	61,480	49.9%
POP_JUMP_IF_NOT_NONE	30,740	25.0%
NOT_TAKEN	30,720	25.0%
BINARY_OP	60	0.0%
BUILD_MAP	60	0.0%

Successors	Count	Percentage
STORE_FAST	123,060	100.0%
BUILD_MAP	60	0.0%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE

Predecessors	Count	Percentage
LOAD_FAST	921,960	96.8%
LOAD_ATTR	30,720	3.2%
LOAD_FAST_LOAD_FAST	180	0.0%

Successors	Count	Percentage
LOAD_CONST_MORTAL	921,900	96.8%
RETURN_VALUE	30,720	3.2%
CALL_METHOD_DESCRIPTOR_O	120	0.0%
CALL	60	0.0%
LOAD_CONST_IMMORTAL	60	0.0%

CALL

Successors and predecessors for CALL

Predecessors	Count	Percentage
PUSH_NULL	220	27.5%
LOAD_FAST_LOAD_FAST	180	22.5%
LOAD_CONST_IMMORTAL	140	17.5%
BUILD_TUPLE	60	7.5%
LOAD_FAST	60	7.5%

Successors	Count	Percentage
CALL_NON_PY_GENERAL	260	32.5%
CALL_PY_EXACT_ARGS	240	30.0%
CALL_BUILTIN_CLASS	60	7.5%
CALL_METHOD_DESCRIPTOR_NOARGS	60	7.5%
CALL_METHOD_DESCRIPTOR_O	60	7.5%

CALL_INTRINSIC_1

Successors and predecessors for CALL_INTRINSIC_1

Predecessors	Count	Percentage
LIST_EXTEND	952,500	100.0%

Successors	Count	Percentage
PUSH_NULL	952,500	100.0%

COPY_FREE_VARS

Successors and predecessors for COPY_FREE_VARS

Predecessors	Count	Percentage
CALL_PY_EXACT_ARGS	921,780	96.8%
CACHE	30,780	3.2%

Successors	Count	Percentage
RETURN_GENERATOR	921,600	96.7%
RESUME_CHECK	30,900	3.2%
MAKE_CELL	60	0.0%

FOR_ITER

Successors and predecessors for FOR_ITER

Predecessors	Count	Percentage
GET_ITER	1,013,800	89.2%
JUMP_BACKWARD_JIT	123,020	10.8%
FOR_ITER	360	0.0%

Successors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	1,075,240	94.6%
POP_ITER	61,580	5.4%
FOR_ITER	360	0.0%

IS_OP

Successors and predecessors for IS_OP

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	7,618,600	88.9%
LOAD_CONST_IMMORTAL	952,500	11.1%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	6,666,280	77.8%
STORE_FAST	952,500	11.1%
POP_JUMP_IF_TRUE	952,320	11.1%

JUMP_FORWARD

Successors and predecessors for JUMP_FORWARD

Predecessors	Count	Percentage
STORE_FAST	5,775,560	85.5%
POP_EXCEPT	952,320	14.1%
POP_TOP	30,720	0.5%

Successors	Count	Percentage
LOAD_FAST_LOAD_FAST	5,683,200	84.1%
LOAD_GLOBAL_BUILTIN	983,040	14.5%
LOAD_GLOBAL_MODULE	61,460	0.9%
LOAD_FAST	30,900	0.5%

LIST_APPEND

Successors and predecessors for LIST_APPEND

Predecessors	Count	Percentage
RETURN_VALUE	2,856,960	100.0%

Successors	Count	Percentage
ENTER_EXECUTOR	2,805,760	98.2%
JUMP_BACKWARD_JIT	51,200	1.8%

LIST_EXTEND

Successors and predecessors for LIST_EXTEND

Predecessors	Count	Percentage
LOAD_FAST	952,320	100.0%
LOAD_DEREF	180	0.0%
LOAD_CONST_MORTAL	120	0.0%

Successors	Count	Percentage
CALL_INTRINSIC_1	952,500	100.0%
LOAD_CONST_IMMORTAL	120	0.0%

LOAD_ATTR

Successors and predecessors for LOAD_ATTR

Predecessors	Count	Percentage
LOAD_FAST	2,887,800	96.8%
LOAD_FAST_LOAD_FAST	64,900	2.2%
LOAD_GLOBAL_MODULE	30,920	1.0%
LOAD_ATTR	860	0.0%

Successors	Count	Percentage
STORE_FAST	1,904,640	63.8%
LOAD_METHOD_NO_DICT	952,320	31.9%
LOAD_SMALL_INT	64,840	2.2%
PUSH_NULL	30,720	1.0%
BUILD_TUPLE	30,720	1.0%

LOAD_DEREF

Successors and predecessors for LOAD_DEREF

Predecessors	Count	Percentage
LOAD_FAST	2,826,240	49.7%
RESUME_CHECK	983,220	17.3%
POP_JUMP_IF_FALSE	952,320	16.8%
STORE_FAST	921,600	16.2%
BUILD_LIST	180	0.0%

Successors	Count	Percentage
PUSH_NULL	1,874,160	33.0%
CALL_PY_GENERAL	1,873,920	33.0%
LOAD_CONST_IMMORTAL	983,040	17.3%
LOAD_GLOBAL_BUILTIN	952,320	16.8%
LIST_EXTEND	180	0.0%

LOAD_FAST

Successors and predecessors for LOAD_FAST

Predecessors	Count	Percentage
PUSH_NULL	18,682,200	24.9%
STORE_FAST	9,887,660	13.2%
POP_TOP	8,571,060	11.4%
NOP	5,744,820	7.7%
LOAD_FAST_LOAD_FAST	5,713,980	7.6%

Successors	Count	Percentage
CALL_BUILTIN_O	10,629,220	14.2%
LOAD_GLOBAL_BUILTIN	8,632,320	11.5%
RETURN_VALUE	7,864,980	10.5%
PUSH_NULL	5,985,560	8.0%
STORE_SUBSCR_DICT	5,713,920	7.6%

LOAD_FAST_AND_CLEAR

Successors and predecessors for LOAD_FAST_AND_CLEAR

Predecessors	Count	Percentage
GET_ITER	952,320	100.0%

Successors	Count	Percentage
SWAP	952,320	100.0%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST

Predecessors	Count	Percentage
PUSH_NULL	17,324,460	42.9%
RETURN_VALUE	7,495,680	18.6%
POP_JUMP_IF_FALSE	5,713,920	14.2%
JUMP_FORWARD	5,683,200	14.1%
STORE_FAST	3,143,720	7.8%

Successors	Count	Percentage
CALL_PY_GENERAL	10,627,140	26.3%
IS_OP	7,618,600	18.9%
PUSH_NULL	7,495,680	18.6%
CALL_PY_EXACT_ARGS	5,714,160	14.2%
LOAD_FAST	5,713,980	14.2%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL

Predecessors	Count	Percentage
STORE_FAST	180	50.0%
RESUME_CHECK	120	33.3%
POP_ITER	40	11.1%
LOAD_CONST_IMMORTAL	20	5.6%

Successors	Count	Percentage
LOAD_GLOBAL_MODULE	280	77.8%
LOAD_GLOBAL_BUILTIN	80	22.2%

LOAD_METHOD

Successors and predecessors for LOAD_METHOD

Predecessors	Count	Percentage
LOAD_FAST	300	62.5%
LOAD_ATTR_INSTANCE_VALUE	120	25.0%
LOAD_METHOD	60	12.5%

Successors	Count	Percentage
LOAD_FAST_LOAD_FAST	180	37.5%
LOAD_METHOD_NO_DICT	120	25.0%
LOAD_METHOD_WITH_VALUES	120	25.0%
LOAD_METHOD	60	12.5%

LOAD_SMALL_INT

Successors and predecessors for LOAD_SMALL_INT

Predecessors	Count	Percentage
PUSH_NULL	126,280	49.9%
LOAD_ATTR	64,840	25.6%
RESUME_CHECK	30,840	12.2%
STORE_ATTR_INSTANCE_VALUE	30,780	12.2%
LOAD_FAST	180	0.1%

Successors	Count	Percentage
CALL_BUILTIN_CLASS	95,560	37.7%
STORE_SUBSCR_LIST_INT	64,840	25.6%
LOAD_FAST	61,560	24.3%
CALL_BUILTIN_O	30,720	12.1%
BINARY_SUBSCR_TUPLE_INT	120	0.0%

MAKE_CELL

Successors and predecessors for MAKE_CELL

Predecessors	Count	Percentage
CALL_FUNCTION_EX	952,380	50.0%
MAKE_CELL	952,320	50.0%
CALL_PY_GENERAL	180	0.0%
COPY_FREE_VARS	60	0.0%

Successors	Count	Percentage
RESUME_CHECK	952,620	50.0%
MAKE_CELL	952,320	50.0%

POP_JUMP_IF_FALSE

Successors and predecessors for POP_JUMP_IF_FALSE

Predecessors	Count	Percentage
IS_OP	6,666,280	43.1%
TO_BOOL_BOOL	4,792,320	31.0%
CHECK_EXC_MATCH	2,856,960	18.5%
TO_BOOL	952,500	6.2%
CONTAINS_OP_SET	184,660	1.2%

Successors	Count	Percentage
LOAD_FAST_LOAD_FAST	5,713,920	36.9%
LOAD_FAST	3,932,640	25.4%
POP_TOP	2,856,960	18.5%
LOAD_GLOBAL_BUILTIN	1,044,540	6.7%
LOAD_DEREF	952,320	6.2%

POP_JUMP_IF_NONE

Successors and predecessors for POP_JUMP_IF_NONE

Predecessors	Count	Percentage
LOAD_FAST	4,909,780	100.0%

Successors	Count	Percentage
LOAD_FAST	4,848,340	98.7%
LOAD_GLOBAL_BUILTIN	30,720	0.6%
LOAD_GLOBAL_MODULE	30,720	0.6%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE

Predecessors	Count	Percentage
LOAD_FAST	61,680	100.0%

Successors	Count	Percentage
LOAD_FAST	30,760	49.9%
BUILD_MAP	30,740	49.8%
LOAD_CONST_MORTAL	180	0.3%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE

Predecessors	Count	Percentage
IS_OP	952,320	100.0%
TO_BOOL_BOOL	180	0.0%

Successors	Count	Percentage
ENTER_EXECUTOR	921,600	96.8%
LOAD_GLOBAL_BUILTIN	30,720	3.2%
NOP	180	0.0%

SET_FUNCTION_ATTRIBUTE

Successors and predecessors for SET_FUNCTION_ATTRIBUTE

Predecessors	Count	Percentage
MAKE_FUNCTION	921,900	100.0%

Successors	Count	Percentage
LOAD_FAST	921,600	100.0%
STORE_FAST	180	0.0%
STORE_NAME	60	0.0%
LOAD_CONST_IMMORTAL	60	0.0%

STORE_ATTR

Successors and predecessors for STORE_ATTR

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	129,740	100.0%
STORE_ATTR	60	0.0%

Successors	Count	Percentage
LOAD_GLOBAL_BUILTIN	64,840	50.0%
LOAD_GLOBAL_MODULE	64,840	50.0%
STORE_ATTR	60	0.0%
STORE_ATTR_INSTANCE_VALUE	60	0.0%

STORE_DEREF

Successors and predecessors for STORE_DEREF

Predecessors	Count	Percentage
CALL_NON_PY_GENERAL	180	60.0%
LOAD_LOCALS	60	20.0%
CALL_BUILTIN_FAST_WITH_KEYWORDS	60	20.0%

Successors	Count	Percentage
LOAD_FAST	180	60.0%
LOAD_DEREF	60	20.0%
LOAD_CONST_MORTAL	60	20.0%

STORE_FAST

Successors and predecessors for STORE_FAST

Predecessors	Count	Percentage
RETURN_VALUE	10,414,700	45.5%
BUILD_LIST	1,904,640	8.3%
LOAD_ATTR	1,904,640	8.3%
FOR_ITER_LIST	1,904,640	8.3%
BINARY_OP_ADD_FLOAT	1,843,200	8.0%

Successors	Count	Percentage
LOAD_FAST	9,887,660	43.2%
JUMP_FORWARD	5,775,560	25.2%
LOAD_FAST_LOAD_FAST	3,143,720	13.7%
ENTER_EXECUTOR	1,843,200	8.0%
LOAD_GLOBAL_BUILTIN	983,160	4.3%

STORE_FAST_LOAD_FAST

Successors and predecessors for STORE_FAST_LOAD_FAST

Predecessors	Count	Percentage
FOR_ITER_TUPLE	986,440	100.0%

Successors	Count	Percentage
PUSH_NULL	986,440	100.0%

STORE_FAST_STORE_FAST

Successors and predecessors for STORE_FAST_STORE_FAST

Predecessors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	1,075,420	100.0%

Successors	Count	Percentage
LOAD_FAST_LOAD_FAST	952,320	88.6%
LOAD_FAST	123,100	11.4%

SWAP

Successors and predecessors for SWAP

Predecessors	Count	Percentage
BUILD_LIST	952,320	50.0%
LOAD_FAST_AND_CLEAR	952,320	50.0%

Successors	Count	Percentage
GET_ITER	952,320	50.0%
BUILD_LIST	952,320	50.0%

UNPACK_SEQUENCE

Successors and predecessors for UNPACK_SEQUENCE

Predecessors	Count	Percentage
CALL_METHOD_DESCRIPTOR_NOARGS	60	100.0%

Successors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	60	100.0%

YIELD_VALUE

Successors and predecessors for YIELD_VALUE

Predecessors	Count	Percentage
RETURN_VALUE	921,600	100.0%

Successors	Count	Percentage
INTERPRETER_EXIT	921,600	100.0%

BINARY_OP_ADD_FLOAT

Successors and predecessors for BINARY_OP_ADD_FLOAT

Predecessors	Count	Percentage
BINARY_OP_SUBTRACT_FLOAT	1,843,200	100.0%

Successors	Count	Percentage
STORE_FAST	1,843,200	100.0%

BINARY_OP_SUBTRACT_FLOAT

Successors and predecessors for BINARY_OP_SUBTRACT_FLOAT

Predecessors	Count	Percentage
LOAD_FAST	1,843,280	100.0%
BINARY_OP	40	0.0%

Successors	Count	Percentage
BINARY_OP_ADD_FLOAT	1,843,200	100.0%
STORE_FAST	120	0.0%

BINARY_SUBSCR_DICT

Successors and predecessors for BINARY_SUBSCR_DICT

Predecessors	Count	Percentage
CALL_BUILTIN_O	5,744,640	100.0%

Successors	Count	Percentage
LOAD_METHOD_NO_DICT	3,809,280	66.3%
PUSH_EXC_INFO	1,935,360	33.7%

BINARY_SUBSCR_TUPLE_INT

Successors and predecessors for BINARY_SUBSCR_TUPLE_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	120	66.7%
BINARY_SUBSCR	60	33.3%

Successors	Count	Percentage
STORE_FAST	180	100.0%

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_IMMORTAL	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_SMALL_INT	95,560	99.8%
LOAD_FAST	120	0.1%
CALL	60	0.1%

Successors	Count	Percentage
GET_ITER	95,740	100.0%

CALL_BUILTIN_FAST

Successors and predecessors for CALL_BUILTIN_FAST

Predecessors	Count	Percentage
LOAD_CONST_IMMORTAL	1,013,760	94.3%
LOAD_FAST	30,720	2.9%
LOAD_GLOBAL_BUILTIN	30,720	2.9%

Successors	Count	Percentage
TO_BOOL_BOOL	983,040	91.4%
STORE_FAST	92,160	8.6%

CALL_BUILTIN_O

Successors and predecessors for CALL_BUILTIN_O

Predecessors	Count	Percentage
RETURN_VALUE	12,595,200	54.2%
LOAD_FAST	10,629,220	45.7%
LOAD_SMALL_INT	30,720	0.1%

Successors	Count	Percentage
POP_TOP	12,595,200	54.2%
BINARY_SUBSCR_DICT	5,744,640	24.7%
STORE_SUBSCR_DICT	4,823,080	20.7%
STORE_FAST	92,220	0.4%

CALL_ISINSTANCE

Successors and predecessors for CALL_ISINSTANCE

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	952,320	100.0%

Successors	Count	Percentage
TO_BOOL_BOOL	952,320	100.0%

CALL_LIST_APPEND

Successors and predecessors for CALL_LIST_APPEND

Predecessors	Count	Percentage
LOAD_FAST	3,809,280	100.0%

Successors	Count	Percentage
LOAD_CONST_IMMORTAL	3,809,280	100.0%

CALL_METHOD_DESCRIPTOR_FAST

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST

Predecessors	Count	Percentage
LOAD_FAST	148,180	82.8%
LOAD_FAST_LOAD_FAST	30,760	17.2%

Successors	Count	Percentage
STORE_FAST	178,940	100.0%

CALL_METHOD_DESCRIPTOR_NOARGS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_NOARGS

Predecessors	Count	Percentage
LOAD_METHOD_NO_DICT	61,600	99.9%
CALL	60	0.1%

Successors	Count	Percentage
GET_ITER	61,480	99.7%
UNPACK_SEQUENCE_TWO_TUPLE	120	0.2%
UNPACK_SEQUENCE	60	0.1%

CALL_METHOD_DESCRIPTOR_O

Successors and predecessors for CALL_METHOD_DESCRIPTOR_O

Predecessors	Count	Percentage
BUILD_TUPLE	120	66.7%
CALL	60	33.3%

Successors	Count	Percentage
POP_TOP	180	100.0%

CALL_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL

Predecessors	Count	Percentage
PUSH_NULL	1,939,160	50.4%
LOAD_FAST_LOAD_FAST	952,440	24.8%
LOAD_FAST	952,320	24.8%
CALL	260	0.0%

Successors	Count	Percentage
LOAD_FAST	1,843,320	48.0%
POP_TOP	952,500	24.8%
GET_ITER	952,320	24.8%
STORE_FAST	95,680	2.5%
RETURN_VALUE	180	0.0%

CALL_PY_EXACT_ARGS

Successors and predecessors for CALL_PY_EXACT_ARGS

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	5,714,160	85.7%
GET_ITER	921,600	13.8%
LOAD_FAST	30,720	0.5%
CALL	240	0.0%
LOAD_ATTR_INSTANCE_VALUE	120	0.0%

Successors	Count	Percentage
RESUME_CHECK	5,745,180	86.2%
COPY_FREE_VARS	921,780	13.8%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	10,627,140	64.8%
ENTER_EXECUTOR	3,698,420	22.6%
LOAD_DEREF	1,873,920	11.4%
LOAD_FAST	157,000	1.0%
CALL_PY_GENERAL	42,040	0.3%

Successors	Count	Percentage
ENTER_EXECUTOR	13,277,880	81.0%
RESUME_CHECK	3,078,600	18.8%
CALL_PY_GENERAL	42,040	0.3%
MAKE_CELL	180	0.0%

CALL_TYPE_1

Successors and predecessors for CALL_TYPE_1

Predecessors	Count	Percentage
LOAD_FAST	184,660	100.0%

Successors	Count	Percentage
STORE_FAST	184,660	100.0%

CONTAINS_OP_SET

Successors and predecessors for CONTAINS_OP_SET

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	184,660	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	184,660	100.0%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST

Predecessors	Count	Percentage
GET_ITER	1,904,640	100.0%

Successors	Count	Percentage
STORE_FAST	1,904,640	100.0%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE

Predecessors	Count	Percentage
GET_ITER	95,740	51.0%
JUMP_BACKWARD_JIT	92,160	49.0%

Successors	Count	Percentage
STORE_FAST	187,720	99.9%
POP_ITER	180	0.1%

FOR_ITER_TUPLE

Successors and predecessors for FOR_ITER_TUPLE

Predecessors	Count	Percentage
GET_ITER	1,969,480	95.1%
JUMP_BACKWARD_JIT	102,360	4.9%

Successors	Count	Percentage
STORE_FAST	1,051,280	50.7%
STORE_FAST_LOAD_FAST	986,440	47.6%
POP_ITER	34,120	1.6%

JUMP_BACKWARD_JIT

Successors and predecessors for JUMP_BACKWARD_JIT

Predecessors	Count	Percentage
STORE_SUBSCR_DICT	122,880	38.7%
POP_ITER	81,920	25.8%
STORE_FAST	61,440	19.3%
LIST_APPEND	51,200	16.1%
POP_TOP	180	0.1%

Successors	Count	Percentage
FOR_ITER	123,020	38.7%
FOR_ITER_TUPLE	102,360	32.2%
FOR_ITER_RANGE	92,160	29.0%
POP_ITER	40	0.0%
CALL_FUNCTION_EX	20	0.0%

LOAD_ATTR_CLASS

Successors and predecessors for LOAD_ATTR_CLASS

Predecessors	Count	Percentage
LOAD_FAST	921,600	100.0%

Successors	Count	Percentage
PUSH_NULL	921,600	100.0%

LOAD_ATTR_INSTANCE_VALUE

Successors and predecessors for LOAD_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
LOAD_FAST	420	58.3%
LOAD_ATTR	180	25.0%
LOAD_FAST_LOAD_FAST	120	16.7%

Successors	Count	Percentage
LOAD_METHOD_NO_DICT	240	33.3%
TO_BOOL	180	25.0%
LOAD_METHOD	120	16.7%
CALL_PY_EXACT_ARGS	120	16.7%
CALL	60	8.3%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	2,096,160	100.0%
LOAD_ATTR	200	0.0%

Successors	Count	Percentage
PUSH_NULL	2,096,360	100.0%

LOAD_CONST_IMMORTAL

Successors and predecessors for LOAD_CONST_IMMORTAL

Predecessors	Count	Percentage
CALL_LIST_APPEND	3,809,280	43.5%
POP_EXCEPT	1,904,640	21.7%
LOAD_FAST	1,014,120	11.6%
LOAD_DEREF	983,040	11.2%
POP_JUMP_IF_FALSE	921,600	10.5%

Successors	Count	Percentage
RETURN_VALUE	5,776,080	66.0%
CALL_BUILTIN_FAST	1,013,760	11.6%
IS_OP	952,500	10.9%
STORE_FAST	921,960	10.5%
LOAD_CONST_IMMORTAL	61,860	0.7%

LOAD_CONST_MORTAL

Successors and predecessors for LOAD_CONST_MORTAL

Predecessors	Count	Percentage
BUILD_TUPLE	921,900	90.5%
STORE_SUBSCR_LIST_INT	64,840	6.4%
POP_ITER	30,720	3.0%
POP_JUMP_IF_NOT_NONE	180	0.0%
STORE_NAME	180	0.0%

Successors	Count	Percentage
MAKE_FUNCTION	922,020	90.6%
GET_ITER	95,560	9.4%
STORE_FAST	180	0.0%
LIST_EXTEND	120	0.0%
LOAD_CONST_IMMORTAL	120	0.0%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN

Predecessors	Count	Percentage
LOAD_FAST	8,632,320	48.7%
PUSH_EXC_INFO	2,856,960	16.1%
LOAD_FAST_LOAD_FAST	1,966,120	11.1%
POP_JUMP_IF_FALSE	1,044,540	5.9%
STORE_FAST	983,160	5.5%

Successors	Count	Percentage
PUSH_NULL	13,889,460	78.3%
CHECK_EXC_MATCH	2,856,960	16.1%
CALL_ISINSTANCE	952,320	5.4%
CALL_BUILTIN_FAST	30,720	0.2%
CALL_BUILTIN_FAST_WITH_KEYWORDS	40	0.0%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE

Predecessors	Count	Percentage
STORE_SUBSCR_DICT	5,713,920	69.6%
LOAD_FAST	2,027,860	24.7%
STORE_FAST	187,960	2.3%
STORE_ATTR	64,840	0.8%
JUMP_FORWARD	61,460	0.7%

Successors	Count	Percentage
PUSH_NULL	5,744,880	70.0%
LOAD_ATTR_MODULE	2,096,160	25.5%
CONTAINS_OP_SET	184,660	2.3%
LOAD_METHOD_NO_DICT	148,180	1.8%
LOAD_ATTR	30,920	0.4%

LOAD_METHOD_NO_DICT

Successors and predecessors for LOAD_METHOD_NO_DICT

Predecessors	Count	Percentage
BINARY_SUBSCR_DICT	3,809,280	76.1%
LOAD_ATTR	952,320	19.0%
LOAD_GLOBAL_MODULE	148,180	3.0%
LOAD_FAST	92,240	1.8%
LOAD_ATTR_INSTANCE_VALUE	240	0.0%

Successors	Count	Percentage
LOAD_FAST	4,909,780	98.1%
CALL_METHOD_DESCRIPTOR_NOARGS	61,600	1.2%
LOAD_FAST_LOAD_FAST	30,940	0.6%
CALL	60	0.0%

LOAD_METHOD_WITH_VALUES

Successors and predecessors for LOAD_METHOD_WITH_VALUES

Predecessors	Count	Percentage
LOAD_FAST	30,960	99.4%
LOAD_METHOD	120	0.4%
LOAD_METHOD_WITH_VALUES	60	0.2%

Successors	Count	Percentage
LOAD_FAST	30,900	99.2%
LOAD_FAST_LOAD_FAST	180	0.6%
LOAD_METHOD_WITH_VALUES	60	0.2%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK

Predecessors	Count	Percentage
CALL_PY_EXACT_ARGS	5,745,180	45.5%
CALL_PY_GENERAL	3,078,600	24.4%
MAKE_CELL	952,620	7.5%
CACHE	952,540	7.5%
CALL_FUNCTION_EX	921,720	7.3%

Successors	Count	Percentage
NOP	5,713,920	45.2%
LOAD_FAST	2,826,780	22.4%
BUILD_LIST	1,904,640	15.1%
LOAD_DEREF	983,220	7.8%
POP_TOP	921,600	7.3%

STORE_ATTR_INSTANCE_VALUE

Successors and predecessors for STORE_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
LOAD_FAST	61,560	99.5%
LOAD_FAST_LOAD_FAST	120	0.2%
STORE_ATTR_INSTANCE_VALUE	120	0.2%
STORE_ATTR	60	0.1%

Successors	Count	Percentage
LOAD_CONST_IMMORTAL	30,840	49.9%
LOAD_SMALL_INT	30,780	49.8%
LOAD_FAST_LOAD_FAST	120	0.2%
STORE_ATTR_INSTANCE_VALUE	120	0.2%

STORE_SUBSCR_DICT

Successors and predecessors for STORE_SUBSCR_DICT

Predecessors	Count	Percentage
RETURN_VALUE	7,495,680	41.6%
LOAD_FAST	5,713,920	31.7%
CALL_BUILTIN_O	4,823,080	26.7%

Successors	Count	Percentage
ENTER_EXECUTOR	7,372,800	40.9%
LOAD_GLOBAL_MODULE	5,713,920	31.7%
LOAD_FAST	2,918,440	16.2%
POP_EXCEPT	1,904,640	10.6%
JUMP_BACKWARD_JIT	122,880	0.7%

STORE_SUBSCR_LIST_INT

Successors and predecessors for STORE_SUBSCR_LIST_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	64,840	100.0%

Successors	Count	Percentage
LOAD_CONST_MORTAL	64,840	100.0%

TO_BOOL_BOOL

Successors and predecessors for TO_BOOL_BOOL

Predecessors	Count	Percentage
LOAD_FAST	2,857,080	59.6%
CALL_BUILTIN_FAST	983,040	20.5%
CALL_ISINSTANCE	952,320	19.9%
TO_BOOL	60	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	4,792,320	100.0%
POP_JUMP_IF_TRUE	180	0.0%

UNPACK_SEQUENCE_TWO_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TWO_TUPLE

Predecessors	Count	Percentage
FOR_ITER	1,075,240	100.0%
CALL_METHOD_DESCRIPTOR_NOARGS	120	0.0%
UNPACK_SEQUENCE	60	0.0%

Successors	Count	Percentage
STORE_FAST_STORE_FAST	1,075,420	100.0%

ENTER_EXECUTOR

Successors and predecessors for ENTER_EXECUTOR

Predecessors	Count	Percentage
POP_TOP	13,516,800	33.9%
CALL_PY_GENERAL	13,277,880	33.3%
STORE_SUBSCR_DICT	7,372,800	18.5%
LIST_APPEND	2,805,760	7.0%
STORE_FAST	1,843,200	4.6%

Successors	Count	Percentage
RETURN_VALUE	33,914,560	85.1%
CALL_PY_GENERAL	3,698,420	9.3%
PUSH_EXC_INFO	921,600	2.3%
CALL_FUNCTION_EX	921,580	2.3%
POP_ITER	187,040	0.5%

LOAD_BUILD_CLASS

Successors and predecessors for LOAD_BUILD_CLASS

Predecessors	Count	Percentage
RESUME_CHECK	60	100.0%

Successors	Count	Percentage
PUSH_NULL	60	100.0%

LOAD_LOCALS

Successors and predecessors for LOAD_LOCALS

Predecessors	Count	Percentage
STORE_NAME	60	100.0%

Successors	Count	Percentage
STORE_DEREF	60	100.0%

LOAD_NAME

Successors and predecessors for LOAD_NAME

Predecessors	Count	Percentage
RESUME_CHECK	60	100.0%

Successors	Count	Percentage
STORE_NAME	60	100.0%

STORE_NAME

Successors and predecessors for STORE_NAME

Predecessors	Count	Percentage
MAKE_FUNCTION	120	25.0%
LOAD_CONST_MORTAL	120	25.0%
LOAD_FAST	60	12.5%
LOAD_SMALL_INT	60	12.5%
SET_FUNCTION_ATTRIBUTE	60	12.5%

Successors	Count	Percentage
LOAD_CONST_MORTAL	180	37.5%
LOAD_FAST	120	25.0%
LOAD_LOCALS	60	12.5%
LOAD_SMALL_INT	60	12.5%
LOAD_CONST_IMMORTAL	60	12.5%

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%

TO_BOOL_NONE

Successors and predecessors for TO_BOOL_NONE

Predecessors	Count	Percentage
LOAD_FAST	30,720	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	30,720	100.0%

NOT_TAKEN

Successors and predecessors for NOT_TAKEN

Predecessors	Count	Percentage
ENTER_EXECUTOR	30,720	100.0%

Successors	Count	Percentage
BUILD_MAP	30,720	100.0%

CALL_TUPLE_1

Successors and predecessors for CALL_TUPLE_1

Predecessors	Count	Percentage
LOAD_FAST	30,720	100.0%

Successors	Count	Percentage
STORE_FAST	30,720	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.	120	0.0%
hit ⓘ Specialized instructions that complete.	3,686,460	100.0%
miss ⓘ Specialized instructions that deopt.	60	0.0%

Success	Count	Ratio
Success	40	50.0%
Failure	40	50.0%

Failure kind	Count	Ratio
multiply different types	40	100.0%

BINARY_SUBSCR

specialization stats for BINARY_SUBSCR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	6,666,420	100.0%

Success	Count	Ratio
Success	60	100.0%
Failure	0	0.0%

CALL

specialization stats for CALL family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	106,384,760	97.9%
miss ⓘ Specialized instructions that deopt.	2,228,120	2.1%

Success	Count	Ratio
Success	42,840	100.0%
Failure	0	0.0%

CONTAINS_OP

specialization stats for CONTAINS_OP family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	34,222,080	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.	1,136,820	21.4%
hit ⓘ Specialized instructions that complete.	4,164,380	78.6%

Success	Count	Ratio
Success	0	0.0%
Failure	360	100.0%

Failure kind	Count	Ratio
zip	280	77.8%
dict items	80	22.2%

LOAD_ATTR

specialization stats for LOAD_ATTR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	2,983,240	10.6%
hit ⓘ Specialized instructions that complete.	25,134,680	89.4%

Success	Count	Ratio
Success	380	30.6%
Failure	860	69.4%

Failure kind	Count	Ratio
method	540	62.8%
overriding descriptor	320	37.2%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	25,934,320	100.0%

Success	Count	Ratio
Success	360	100.0%
Failure	0	0.0%

LOAD_METHOD

specialization stats for LOAD_METHOD family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	180	4.9%
miss ⓘ Specialized instructions that deopt.	3,180	86.9%

Success	Count	Ratio
Success	300	83.3%
Failure	60	16.7%

STORE_ATTR

specialization stats for STORE_ATTR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	129,680	67.7%
hit ⓘ Specialized instructions that complete.	55,500	29.0%
miss ⓘ Specialized instructions that deopt.	6,360	3.3%

Success	Count	Ratio
Success	180	75.0%
Failure	60	25.0%

Failure kind	Count	Ratio
split dict	60	100.0%

STORE_SUBSCR

specialization stats for STORE_SUBSCR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	21,258,240	100.0%

TO_BOOL

specialization stats for TO_BOOL family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	952,500	11.2%
hit ⓘ Specialized instructions that complete.	7,588,020	88.8%

Success	Count	Ratio
Success	60	15.0%
Failure	340	85.0%

Failure kind	Count	Ratio
tuple	280	82.4%
sequence	60	17.6%

UNPACK_SEQUENCE

specialization stats for UNPACK_SEQUENCE family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	10,291,380	100.0%

Success	Count	Ratio
Success	60	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`.	382,502,060	71.0%
Not specialized ⓘ Instructions that could be specialized but aren't, e.g. `LOAD_ATTR`, `BINARY_SLICE`.	5,206,320	1.0%
Specialized hits ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that complete.	148,861,960	27.6%
Specialized misses ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that deopt.	2,238,140	0.4%

Deferred by instruction

Breakdown of deferred (not specialized) instruction counts by family

Name	Count	Ratio
LOAD_ATTR	2,983,240	57.3%
FOR_ITER	1,136,820	21.9%
TO_BOOL	952,500	18.3%
STORE_ATTR	129,680	2.5%
LOAD_METHOD	180	0.0%
BINARY_OP	120	0.0%
BINARY_SLICE	0	0.0%
STORE_SLICE	0	0.0%
CACHE	0	0.0%
BINARY_SUBSCR	0	0.0%

Misses by instruction

Breakdown of misses (specialized deopts) instruction counts by family

Name	Count	Ratio
CALL_PY_GENERAL	2,228,080	99.5%
STORE_ATTR_INSTANCE_VALUE	6,360	0.3%
LOAD_METHOD_WITH_VALUES	3,180	0.1%
RESUME	420	0.0%
RESUME_CHECK	420	0.0%
BINARY_OP_ADD_FLOAT	60	0.0%
CALL_ALLOC_AND_ENTER_INIT	40	0.0%
CACHE	0	0.0%
CALL_FUNCTION_EX	0	0.0%
CHECK_EXC_MATCH	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	1,904,920	3.8%
Calls to Python functions inlined	48,446,600	96.2%
Calls via PyEval_EvalFrame (total)	1,904,920	3.8%
Calls via PyEval_EvalFrame (vector)	61,720	0.1%
Calls via PyEval_EvalFrame (generator)	1,843,200	3.7%
Calls via PyEval_EvalFrame (legacy)	0	0.0%
Calls via PyEval_EvalFrame (function vectorcall)	61,660	0.1%
Calls via PyEval_EvalFrame (build class)	60	0.0%
Calls via PyEval_EvalFrame (slot)	0	0.0%
Calls via PyEval_EvalFrame (function ex)	1,874,100	3.7%
Calls via PyEval_EvalFrame (api)	0	0.0%
Calls via PyEval_EvalFrame (method)	0	0.0%
Frame objects created	2,856,960	5.7%
Frames pushed	48,508,400	96.3%

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	34,056,840	35.2%
Frees to freelist	34,056,320
Allocations	62,610,380	64.8%
Allocations to 512 bytes	62,610,040	64.8%
Allocations to 4 kbytes	340	0.0%
Allocations over 4 kbytes	0	0.0%
Frees	65,466,256
Inline values	952,440
Interpreter mortal increfs	313,413,780	27.5%
Interpreter mortal decrefs	440,603,480	35.2%
Mortal increfs	493,478,604	43.3%
Mortal decrefs	453,496,238	36.2%
Interpreter immortal increfs	36,514,540	3.2%
Interpreter immortal decrefs	112,578,380	9.0%
Immortal increfs	296,016,742	26.0%
Immortal decrefs	246,343,774	19.7%
Materialize dict (on request)	952,440	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	5,260,574
Method cache misses	226
Method cache collisions	92,724
Method cache dunder hits	13,121,166
Method cache dunder misses	92,674

GC stats

GC collections and effectiveness

Collected/visits gives some measure of efficiency.

Generation	Collections	Objects collected	Object visits	Reachable from roots	Not reachable from roots
0	0	0	0	0	0
1	0	0	0	0	0
2	0	0	0	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.	9,580
Traces created ⓘ The number of traces that were successfully created.	120	1.3%
Trace stack overflow ⓘ A trace is truncated because it would require more than 5 stack frames.	0	0.0%
Trace stack underflow ⓘ A potential trace is abandoned because it pops more frames than it pushes.	8,300	86.6%
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 abandoned because it it too short.	9,460	98.7%
Inner loop found ⓘ A trace is truncated because it has an inner loop	0	0.0%
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.	0	0.0%
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	84,131,140
Uops executed ⓘ The total number of uops (micro-operations) that were executed	1,899,139,240	2,257.4%

	Count	Ratio
Optimizer attempts ⓘ The number of times the trace optimizer (_Py_uop_analyze_and_optimize) was run.	120
Optimizer successes ⓘ The number of traces that were successfully optimized.	120	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	20	16.7%
<= 16	0	0.0%
<= 32	60	50.0%
<= 64	20	16.7%
<= 128	20	16.7%

Optimized trace length histogram

optimized trace length histogram

Range	Count	Ratio
<= 1	0	0.0%
<= 2	0	0.0%
<= 4	20	16.7%
<= 8	0	0.0%
<= 16	0	0.0%
<= 32	80	66.7%
<= 64	0	0.0%
<= 128	20	16.7%

Trace run length histogram

trace run length histogram

Range	Count	Ratio
<= 1	0	0.0%

Uop execution stats

uop execution stats

Name	Count	Self	Cumulative	Miss ratio
_SET_IP	214,263,560	11.3%	11.3%
_CHECK_VALIDITY	179,612,820	9.5%	20.7%
_PUSH_NULL	94,516,780	5.0%	25.7%
_CHECK_VALIDITY_AND_SET_IP	89,331,800	4.7%	30.4%
_MAKE_WARM	85,974,340	4.5%	34.9%
_START_EXECUTOR	84,131,140	4.4%	39.4%
_LOAD_FAST_0	83,778,100	4.4%	43.8%
_CHECK_PERIODIC	65,667,640	3.5%	47.2%
_LOAD_CONST_INLINE	63,339,420	3.3%	50.6%
_EXIT_TRACE	59,660,380	3.1%	53.7%
_LOAD_FAST_3	51,611,240	2.7%	56.4%
_CHECK_FUNCTION	51,058,240	2.7%	59.1%
_LOAD_FAST_1	48,539,440	2.6%	61.7%
_LOAD_CONST_INLINE_BORROW	40,515,940	2.1%	63.8%
_STORE_FAST_3	39,594,300	2.1%	65.9%
_LOAD_FAST_2	37,737,760	2.0%	67.9%
_GUARD_IS_TRUE_POP	37,263,000	2.0%	69.9%	26.3%
_TIER2_RESUME_CHECK	36,802,540	1.9%	71.8%	0.0%
_CALL_TYPE_1	34,037,420	1.8%	73.6%
_CONTAINS_OP_SET	34,037,420	1.8%	75.4%
_LOAD_FAST_5	30,873,500	1.6%	77.0%
_STORE_FAST_5	28,630,960	1.5%	78.5%
_CHECK_FUNCTION_VERSION	25,499,580	1.3%	79.9%	14.5%
_DYNAMIC_EXIT	23,548,800	1.2%	81.1%
_PUSH_FRAME	23,548,800	1.2%	82.3%
_PY_FRAME_GENERAL	23,548,800	1.2%	83.6%
_SAVE_RETURN_OFFSET	23,548,800	1.2%	84.8%
_LOAD_FAST_4	19,445,720	1.0%	85.8%
_STORE_FAST_4	18,923,420	1.0%	86.8%
_LOAD_METHOD_NO_DICT	17,085,660	0.9%	87.7%
_GUARD_IS_NOT_NONE_POP	15,273,220	0.8%	88.5%	12.3%
_LOAD_FAST_6	14,817,880	0.8%	89.3%
_CALL_METHOD_DESCRIPTOR_FAST	14,320,900	0.8%	90.1%
_CALL_BUILTIN_O	14,315,420	0.8%	90.8%
_FOR_ITER_TIER_TWO	12,902,400	0.7%	91.5%	28.6%
_GUARD_NOT_EXHAUSTED_LIST	12,595,200	0.7%	92.2%	15.1%
_ITER_CHECK_LIST	12,595,200	0.7%	92.8%
_STORE_FAST_6	10,999,780	0.6%	93.4%
_ITER_NEXT_LIST	10,690,560	0.6%	94.0%
_GUARD_TYPE_VERSION	10,598,320	0.6%	94.5%
_IS_OP	9,676,760	0.5%	95.0%
_UNPACK_SEQUENCE_TWO_TUPLE	9,215,960	0.5%	95.5%
_POP_TOP	8,779,800	0.5%	96.0%
_GUARD_IS_FALSE_POP	8,294,380	0.4%	96.4%
_GUARD_NOT_EXHAUSTED_TUPLE	5,085,920	0.3%	96.7%	45.8%
_ITER_CHECK_TUPLE	5,085,920	0.3%	97.0%
_BUILD_MAP	4,607,940	0.2%	97.2%
_CALL_BUILTIN_FAST	3,686,400	0.2%	97.4%
_GET_ITER	3,188,040	0.2%	97.6%
_LOAD_FAST	3,123,240	0.2%	97.7%
_LOAD_FAST_7	2,764,800	0.1%	97.9%
_GUARD_IS_NONE_POP	2,764,780	0.1%	98.0%	33.3%
_STORE_SUBSCR_DICT	2,764,760	0.1%	98.2%
_CALL_METHOD_DESCRIPTOR_NOARGS	2,764,760	0.1%	98.3%
_ITER_NEXT_TUPLE	2,754,600	0.1%	98.5%
_STORE_FAST	2,201,640	0.1%	98.6%
_TO_BOOL_BOOL	1,843,200	0.1%	98.7%
_JUMP_TO_TOP	1,843,200	0.1%	98.8%
_STORE_FAST_7	1,843,200	0.1%	98.9%
_STORE_FAST_1	1,843,180	0.1%	99.0%
_CALL_NON_PY_GENERAL	1,747,640	0.1%	99.1%
_CHECK_FUNCTION_VERSION_INLINE	1,747,640	0.1%	99.1%
_CHECK_IS_NOT_PY_CALLABLE	1,747,640	0.1%	99.2%
_GUARD_NOT_EXHAUSTED_RANGE	1,409,720	0.1%	99.3%	8.7%
_ITER_CHECK_RANGE	1,409,720	0.1%	99.4%
_LOAD_ATTR	1,317,560	0.1%	99.5%
_ITER_NEXT_RANGE	1,286,840	0.1%	99.5%
_LOAD_SMALL_INT	948,920	0.0%	99.6%
_BUILD_LIST	921,600	0.0%	99.6%
_CALL_INTRINSIC_1	921,600	0.0%	99.7%
_LIST_EXTEND	921,600	0.0%	99.7%
_BINARY_SUBSCR_DICT	921,600	0.0%	99.8%
_CALL_ISINSTANCE	921,600	0.0%	99.8%
_TO_BOOL_NONE	921,600	0.0%	99.9%
_ERROR_POP_N	921,600	0.0%	99.9%
_STORE_ATTR	884,080	0.0%	100.0%
_STORE_SUBSCR_LIST_INT	395,960	0.0%	100.0%
_LOAD_SMALL_INT_0	395,960	0.0%	100.0%
_CALL_BUILTIN_CLASS	27,320	0.0%	100.0%
_DEOPT	360	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.

Unsupported opcodes

unsupported opcodes

Opcode	Count
CALL_FUNCTION_EX	240
CALL	240

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: 2025-01-22

Files

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bm-20250121-azure-x86_64-brandtbucher-remove_optimizer_api-3.14.0a4+-085e172-pystats-deepcopy.md

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Execution counts

Pair counts

Predecessor/Successor Pairs

CACHE

BINARY_SUBSCR

CALL_FUNCTION_EX

CHECK_EXC_MATCH

EXIT_INIT_CHECK

GET_ITER

INTERPRETER_EXIT

MAKE_FUNCTION

NOP

POP_EXCEPT

POP_ITER

POP_TOP

PUSH_EXC_INFO

PUSH_NULL

RETURN_GENERATOR

RETURN_VALUE

TO_BOOL

BINARY_OP

BUILD_LIST

BUILD_MAP

BUILD_TUPLE

CALL

CALL_INTRINSIC_1

COPY_FREE_VARS

FOR_ITER

IS_OP

JUMP_FORWARD

LIST_APPEND

LIST_EXTEND

LOAD_ATTR

LOAD_DEREF

LOAD_FAST

LOAD_FAST_AND_CLEAR

LOAD_FAST_LOAD_FAST

LOAD_GLOBAL

LOAD_METHOD

LOAD_SMALL_INT

MAKE_CELL

POP_JUMP_IF_FALSE

POP_JUMP_IF_NONE

POP_JUMP_IF_NOT_NONE

POP_JUMP_IF_TRUE

SET_FUNCTION_ATTRIBUTE

STORE_ATTR

STORE_DEREF

STORE_FAST

STORE_FAST_LOAD_FAST

STORE_FAST_STORE_FAST

SWAP

UNPACK_SEQUENCE

YIELD_VALUE

BINARY_OP_ADD_FLOAT

BINARY_OP_SUBTRACT_FLOAT

BINARY_SUBSCR_DICT

BINARY_SUBSCR_TUPLE_INT

CALL_ALLOC_AND_ENTER_INIT

CALL_BUILTIN_CLASS

CALL_BUILTIN_FAST

CALL_BUILTIN_O

CALL_ISINSTANCE

CALL_LIST_APPEND

CALL_METHOD_DESCRIPTOR_FAST

CALL_METHOD_DESCRIPTOR_NOARGS

CALL_METHOD_DESCRIPTOR_O

CALL_NON_PY_GENERAL

CALL_PY_EXACT_ARGS

CALL_PY_GENERAL

CALL_TYPE_1

CONTAINS_OP_SET

FOR_ITER_LIST