Pystats results

benchmark: dulwich_log
fork: brandtbucher
ref: no-underflow
commit hash: c781896
commit date: 2025-02-07T11:57:07-08:00

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
LOAD_FAST	75,785,580	20.6%	20.6%
STORE_FAST	20,400,680	5.6%	26.2%
RESUME_CHECK	15,980,760	4.4%	30.5%
RETURN_VALUE	15,602,400	4.2%	34.8%
POP_JUMP_IF_FALSE	15,409,540	4.2%	39.0%
LOAD_ATTR_METHOD_NO_DICT	12,551,340	3.4%	42.4%
LOAD_CONST_IMMORTAL	11,461,200	3.1%	45.5%
LOAD_ATTR_INSTANCE_VALUE	11,360,280	3.1%	48.6%
LOAD_GLOBAL_MODULE	10,871,040	3.0%	51.6%
LOAD_SMALL_INT	10,254,900	2.8%	54.4%
LOAD_CONST_MORTAL	9,178,860	2.5%	56.9%
CALL_PY_EXACT_ARGS	8,981,520	2.4%	59.3%
LOAD_FAST_LOAD_FAST	8,884,020	2.4%	61.7%
STORE_ATTR_SLOT	7,879,680	2.1%	63.9%
LOAD_GLOBAL_BUILTIN	7,323,840	2.0%	65.9%
LOAD_ATTR_SLOT	7,094,040	1.9%	67.8%
TO_BOOL_BOOL	6,552,180	1.8%	69.6%
POP_TOP	5,014,980	1.4%	71.0%
COMPARE_OP	4,843,420	1.3%	72.3%
POP_JUMP_IF_NONE	4,133,700	1.1%	73.4%
STORE_FAST_STORE_FAST	3,754,500	1.0%	74.4%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	3,738,000	1.0%	75.5%
BINARY_OP_ADD_INT	3,710,280	1.0%	76.5%
BUILD_TUPLE	3,377,640	0.9%	77.4%
CALL_METHOD_DESCRIPTOR_FAST	3,189,240	0.9%	78.2%
COMPARE_OP_INT	3,187,020	0.9%	79.1%
UNPACK_SEQUENCE_TWO_TUPLE	3,002,100	0.8%	79.9%
LOAD_ATTR_METHOD_WITH_VALUES	2,993,160	0.8%	80.7%
POP_JUMP_IF_TRUE	2,849,820	0.8%	81.5%
PUSH_NULL	2,830,200	0.8%	82.3%
LOAD_DEREF	2,796,060	0.8%	83.1%
NOP	2,622,900	0.7%	83.8%
BINARY_SUBSCR	2,460,740	0.7%	84.4%
BINARY_OP_MULTIPLY_INT	2,325,240	0.6%	85.1%
BUILD_LIST	2,251,560	0.6%	85.7%
LOAD_ATTR_PROPERTY	2,240,640	0.6%	86.3%
POP_JUMP_IF_NOT_NONE	2,058,540	0.6%	86.9%
LOAD_ATTR_MODULE	2,052,900	0.6%	87.4%
STORE_ATTR_INSTANCE_VALUE	2,052,720	0.6%	88.0%
JUMP_BACKWARD_JIT	1,920,140	0.5%	88.5%
CALL_BUILTIN_CLASS	1,874,100	0.5%	89.0%
CALL_LEN	1,873,920	0.5%	89.5%
BINARY_SLICE	1,574,880	0.4%	90.0%
FOR_ITER	1,542,820	0.4%	90.4%
INTERPRETER_EXIT	1,384,080	0.4%	90.7%
CALL_BUILTIN_O	1,331,220	0.4%	91.1%
TO_BOOL	1,313,860	0.4%	91.5%
BINARY_OP	1,313,440	0.4%	91.8%
GET_ITER	1,310,820	0.4%	92.2%
CALL_METHOD_DESCRIPTOR_O	1,306,620	0.4%	92.5%
COPY	1,167,480	0.3%	92.9%
CALL_BUILTIN_FAST	1,141,260	0.3%	93.2%
FOR_ITER_GEN	1,127,760	0.3%	93.5%
UNPACK_SEQUENCE_LIST	1,127,760	0.3%	93.8%
JUMP_FORWARD	1,123,740	0.3%	94.1%
CONTAINS_OP_SET	1,118,880	0.3%	94.4%
YIELD_VALUE	940,080	0.3%	94.6%
CONTAINS_OP	938,100	0.3%	94.9%
POP_ITER	935,520	0.3%	95.2%
CALL_BUILTIN_FAST_WITH_KEYWORDS	933,720	0.3%	95.4%
CALL_LIST_APPEND	770,580	0.2%	95.6%
CALL_ISINSTANCE	749,520	0.2%	95.8%
BINARY_SUBSCR_LIST_INT	749,160	0.2%	96.0%
EXIT_INIT_CHECK	749,040	0.2%	96.2%
CALL_ALLOC_AND_ENTER_INIT	749,040	0.2%	96.4%
CALL_PY_GENERAL	747,660	0.2%	96.6%
CALL_NON_PY_GENERAL	563,340	0.2%	96.8%
LOAD_ATTR	563,280	0.2%	96.9%
UNPACK_SEQUENCE_TUPLE	563,040	0.2%	97.1%
LOAD_ATTR_METHOD_LAZY_DICT	562,680	0.2%	97.3%
CALL_KW_PY	562,320	0.2%	97.4%
BINARY_OP_EXTEND	561,960	0.2%	97.6%
CALL_METHOD_DESCRIPTOR_NOARGS	561,660	0.2%	97.7%
COPY_FREE_VARS	560,220	0.2%	97.9%
CHECK_EXC_MATCH	559,800	0.2%	98.0%
POP_EXCEPT	559,800	0.2%	98.2%
PUSH_EXC_INFO	559,800	0.2%	98.3%
ENTER_EXECUTOR	456,540	0.1%	98.4%
TO_BOOL_INT	417,960	0.1%	98.6%
UNARY_NEGATIVE	416,520	0.1%	98.7%
BINARY_SUBSCR_GETITEM	375,360	0.1%	98.8%
SWAP	373,920	0.1%	98.9%
BINARY_SUBSCR_DICT	373,920	0.1%	99.0%
FOR_ITER_LIST	373,800	0.1%	99.1%
BINARY_OP_ADD_UNICODE	372,480	0.1%	99.2%
FOR_ITER_TUPLE	372,480	0.1%	99.3%
MAKE_FUNCTION	187,860	0.1%	99.3%
BINARY_SUBSCR_TUPLE_INT	187,740	0.1%	99.4%
END_FOR	187,680	0.1%	99.4%
RETURN_GENERATOR	187,680	0.1%	99.5%
LOAD_SUPER_ATTR_METHOD	187,680	0.1%	99.5%
MAKE_CELL	187,140	0.1%	99.6%
BINARY_OP_SUBTRACT_INT	186,840	0.1%	99.6%
BUILD_MAP	186,360	0.1%	99.7%
EXTENDED_ARG	186,360	0.1%	99.7%
TO_BOOL_LIST	186,360	0.1%	99.8%
BINARY_OP_INPLACE_ADD_UNICODE	186,240	0.1%	99.8%
CALL_KW_NON_PY	186,240	0.1%	99.9%
JUMP_BACKWARD_NO_JIT	186,240	0.1%	99.9%
TO_BOOL_STR	186,240	0.1%	100.0%
IS_OP	780	0.0%	100.0%
CALL	260	0.0%	100.0%
TO_BOOL_NONE	240	0.0%	100.0%
CALL_FUNCTION_EX	180	0.0%	100.0%
SET_FUNCTION_ATTRIBUTE	180	0.0%	100.0%
FOR_ITER_RANGE	180	0.0%	100.0%
CALL_INTRINSIC_1	120	0.0%	100.0%
DICT_MERGE	120	0.0%	100.0%
IMPORT_FROM	120	0.0%	100.0%
IMPORT_NAME	120	0.0%	100.0%
LIST_EXTEND	120	0.0%	100.0%
COMPARE_OP_STR	120	0.0%	100.0%
STORE_SUBSCR_DICT	120	0.0%	100.0%
LOAD_GLOBAL	100	0.0%	100.0%
STORE_DEREF	60	0.0%	100.0%
BINARY_OP_SUBTRACT_FLOAT	60	0.0%	100.0%
UNPACK_SEQUENCE	20	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
POP_JUMP_IF_FALSE LOAD_FAST	10,148,640	2.8%	2.8%
STORE_FAST LOAD_FAST	9,879,780	2.7%	5.5%
RESUME_CHECK LOAD_FAST	9,610,380	2.6%	8.1%
LOAD_FAST LOAD_ATTR_INSTANCE_VALUE	8,937,020	2.4%	10.5%
CALL_PY_EXACT_ARGS RESUME_CHECK	8,607,540	2.3%	12.8%
LOAD_FAST LOAD_ATTR_SLOT	6,906,720	1.9%	14.7%
LOAD_FAST LOAD_ATTR_METHOD_NO_DICT	6,767,700	1.8%	16.6%
LOAD_FAST STORE_ATTR_SLOT	6,192,360	1.7%	18.3%
LOAD_GLOBAL_BUILTIN LOAD_FAST	5,641,680	1.5%	19.8%
TO_BOOL_BOOL POP_JUMP_IF_FALSE	5,616,600	1.5%	21.3%
LOAD_FAST LOAD_SMALL_INT	4,951,320	1.3%	22.7%
LOAD_FAST CALL_PY_EXACT_ARGS	4,875,600	1.3%	24.0%
COMPARE_OP POP_JUMP_IF_FALSE	4,697,040	1.3%	25.3%
LOAD_FAST LOAD_GLOBAL_MODULE	4,319,400	1.2%	26.5%
LOAD_FAST LOAD_CONST_MORTAL	4,107,900	1.1%	27.6%
LOAD_ATTR_INSTANCE_VALUE LOAD_FAST	3,626,280	1.0%	28.6%
LOAD_GLOBAL_MODULE COMPARE_OP	3,381,600	0.9%	29.5%
LOAD_ATTR_METHOD_NO_DICT LOAD_CONST_MORTAL	3,195,600	0.9%	30.4%
LOAD_ATTR_METHOD_NO_DICT LOAD_FAST	2,993,400	0.8%	31.2%
STORE_ATTR_SLOT LOAD_FAST	2,814,840	0.8%	31.9%
LOAD_GLOBAL_MODULE LOAD_FAST	2,811,840	0.8%	32.7%
LOAD_ATTR_METHOD_NO_DICT CALL_PY_EXACT_ARGS	2,797,560	0.8%	33.5%
POP_JUMP_IF_NONE LOAD_FAST	2,633,100	0.7%	34.2%
UNPACK_SEQUENCE_TWO_TUPLE STORE_FAST_STORE_FAST	2,626,740	0.7%	34.9%
STORE_ATTR_SLOT LOAD_CONST_IMMORTAL	2,626,440	0.7%	35.6%
LOAD_CONST_IMMORTAL RETURN_VALUE	2,621,340	0.7%	36.3%
RETURN_VALUE LOAD_ATTR_METHOD_NO_DICT	2,610,240	0.7%	37.0%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS RETURN_VALUE	2,610,240	0.7%	37.7%
LOAD_ATTR_METHOD_NO_DICT LOAD_CONST_IMMORTAL	2,610,240	0.7%	38.5%
LOAD_CONST_IMMORTAL CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	2,610,240	0.7%	39.2%
RETURN_VALUE STORE_FAST	2,245,860	0.6%	39.8%
LOAD_FAST LOAD_ATTR_PROPERTY	2,240,640	0.6%	40.4%
POP_TOP LOAD_FAST	2,205,660	0.6%	41.0%
LOAD_CONST_MORTAL BINARY_SUBSCR	2,084,700	0.6%	41.6%
LOAD_FAST POP_JUMP_IF_NONE	2,082,180	0.6%	42.1%
LOAD_CONST_MORTAL CALL_METHOD_DESCRIPTOR_FAST	2,067,840	0.6%	42.7%
CALL_METHOD_DESCRIPTOR_FAST TO_BOOL_BOOL	2,064,960	0.6%	43.3%
LOAD_SMALL_INT COMPARE_OP_INT	2,064,160	0.6%	43.8%
LOAD_CONST_IMMORTAL LOAD_FAST	2,064,120	0.6%	44.4%
LOAD_FAST LOAD_FAST	2,063,400	0.6%	44.9%
NOP LOAD_FAST	2,061,300	0.6%	45.5%
LOAD_ATTR_PROPERTY RESUME_CHECK	2,054,400	0.6%	46.1%
LOAD_SMALL_INT BINARY_OP_ADD_INT	1,948,440	0.5%	46.6%
STORE_FAST_STORE_FAST LOAD_FAST	1,876,380	0.5%	47.1%
STORE_FAST LOAD_GLOBAL_BUILTIN	1,876,080	0.5%	47.6%
BUILD_TUPLE RETURN_VALUE	1,875,720	0.5%	48.1%
LOAD_FAST STORE_FAST	1,875,000	0.5%	48.6%
LOAD_CONST_IMMORTAL STORE_FAST	1,874,760	0.5%	49.1%
PUSH_NULL LOAD_FAST	1,873,980	0.5%	49.7%
STORE_FAST LOAD_GLOBAL_MODULE	1,872,880	0.5%	50.2%
LOAD_FAST LOAD_ATTR_METHOD_WITH_VALUES	1,870,040	0.5%	50.7%
LOAD_DEREF LOAD_ATTR_INSTANCE_VALUE	1,863,360	0.5%	51.2%
LOAD_FAST CALL_LEN	1,687,680	0.5%	51.6%
LOAD_FAST_LOAD_FAST STORE_ATTR_SLOT	1,687,320	0.5%	52.1%
RESUME_CHECK LOAD_GLOBAL_BUILTIN	1,686,360	0.5%	52.6%
LOAD_ATTR_METHOD_WITH_VALUES LOAD_FAST	1,686,300	0.5%	53.0%
LOAD_GLOBAL_MODULE LOAD_ATTR_MODULE	1,680,360	0.5%	53.5%
POP_JUMP_IF_TRUE LOAD_FAST	1,680,240	0.5%	53.9%
LOAD_ATTR_SLOT RETURN_VALUE	1,679,040	0.5%	54.4%
LOAD_SMALL_INT BINARY_OP_MULTIPLY_INT	1,574,520	0.4%	54.8%
POP_JUMP_IF_NOT_NONE LOAD_FAST	1,498,200	0.4%	55.2%
LOAD_CONST_MORTAL COMPARE_OP	1,460,520	0.4%	55.6%
BINARY_OP_MULTIPLY_INT BINARY_OP_ADD_INT	1,387,200	0.4%	56.0%
LOAD_FAST_LOAD_FAST LOAD_SMALL_INT	1,386,840	0.4%	56.4%
BINARY_OP_ADD_INT STORE_FAST	1,386,480	0.4%	56.8%
RETURN_VALUE INTERPRETER_EXIT	1,384,080	0.4%	57.1%
STORE_FAST LOAD_CONST_IMMORTAL	1,313,940	0.4%	57.5%
RETURN_VALUE UNPACK_SEQUENCE_TWO_TUPLE	1,313,040	0.4%	57.9%
COMPARE_OP_INT POP_JUMP_IF_FALSE	1,312,380	0.4%	58.2%
LOAD_FAST POP_JUMP_IF_NOT_NONE	1,309,260	0.4%	58.6%
POP_JUMP_IF_FALSE LOAD_GLOBAL_MODULE	1,309,080	0.4%	58.9%
LOAD_FAST TO_BOOL_BOOL	1,308,520	0.4%	59.3%
RETURN_VALUE RETURN_VALUE	1,308,360	0.4%	59.6%
LOAD_ATTR_MODULE PUSH_NULL	1,307,880	0.4%	60.0%
LOAD_ATTR_INSTANCE_VALUE LOAD_ATTR_METHOD_NO_DICT	1,305,200	0.4%	60.3%
LOAD_ATTR_SLOT POP_JUMP_IF_NONE	1,305,120	0.4%	60.7%
LOAD_ATTR_SLOT LOAD_ATTR_METHOD_NO_DICT	1,305,120	0.4%	61.1%
LOAD_ATTR_SLOT TO_BOOL_BOOL	1,305,120	0.4%	61.4%
POP_JUMP_IF_FALSE POP_TOP	1,268,040	0.3%	61.8%
BINARY_OP_ADD_INT BINARY_SLICE	1,199,520	0.3%	62.1%
CACHE RESUME_CHECK	1,197,180	0.3%	62.4%
FOR_ITER STORE_FAST	1,147,820	0.3%	62.7%
LOAD_SMALL_INT CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	1,127,760	0.3%	63.0%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS UNPACK_SEQUENCE_LIST	1,127,760	0.3%	63.3%
LOAD_CONST_MORTAL LOAD_SMALL_INT	1,127,760	0.3%	63.6%
UNPACK_SEQUENCE_LIST STORE_FAST_STORE_FAST	1,127,760	0.3%	64.0%
LOAD_FAST TO_BOOL	1,127,060	0.3%	64.3%
STORE_FAST LOAD_FAST_LOAD_FAST	1,126,200	0.3%	64.6%
CALL_BUILTIN_CLASS STORE_FAST	1,126,140	0.3%	64.9%
BUILD_LIST LOAD_FAST	1,125,960	0.3%	65.2%
CALL_LEN LOAD_SMALL_INT	1,125,720	0.3%	65.5%
BUILD_LIST STORE_FAST	1,125,480	0.3%	65.8%
COMPARE_OP_INT POP_JUMP_IF_TRUE	1,123,920	0.3%	66.1%
RESUME_CHECK LOAD_GLOBAL_MODULE	1,123,320	0.3%	66.4%
STORE_FAST NOP	1,122,840	0.3%	66.7%
RETURN_VALUE LOAD_FAST	1,121,880	0.3%	67.0%
LOAD_ATTR_INSTANCE_VALUE CONTAINS_OP_SET	1,118,880	0.3%	67.3%
BUILD_TUPLE YIELD_VALUE	940,080	0.3%	67.6%
YIELD_VALUE UNPACK_SEQUENCE_TWO_TUPLE	940,080	0.3%	67.8%
FOR_ITER_GEN RESUME_CHECK	940,080	0.3%	68.1%

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.

BINARY_SLICE

Successors and predecessors for BINARY_SLICE

Predecessors	Count	Percentage
BINARY_OP_ADD_INT	1,199,520	76.2%
LOAD_CONST_IMMORTAL	375,360	23.8%

Successors	Count	Percentage
RETURN_VALUE	824,160	52.3%
STORE_FAST	750,720	47.7%

CACHE

Successors and predecessors for CACHE

Successors	Count	Percentage
RESUME_CHECK	1,197,180	86.5%
MAKE_CELL	186,960	13.5%

BINARY_SUBSCR

Successors and predecessors for BINARY_SUBSCR

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	2,084,700	84.7%
LOAD_SMALL_INT	375,380	15.3%
BINARY_SUBSCR	660	0.0%

Successors	Count	Percentage
RETURN_VALUE	752,400	30.6%
CALL_BUILTIN_CLASS	562,680	22.9%
CALL_BUILTIN_O	394,260	16.0%
STORE_FAST	375,360	15.3%
LOAD_CONST_MORTAL	375,360	15.3%

BINARY_OP_INPLACE_ADD_UNICODE

Successors and predecessors for BINARY_OP_INPLACE_ADD_UNICODE

Predecessors	Count	Percentage
BINARY_OP_ADD_UNICODE	186,240	100.0%

Successors	Count	Percentage
JUMP_BACKWARD_NO_JIT	186,240	100.0%

CALL_FUNCTION_EX

Successors and predecessors for CALL_FUNCTION_EX

Predecessors	Count	Percentage
DICT_MERGE	120	66.7%
PUSH_NULL	60	33.3%

Successors	Count	Percentage
RETURN_VALUE	120	100.0%

CHECK_EXC_MATCH

Successors and predecessors for CHECK_EXC_MATCH

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	559,800	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	559,800	100.0%

END_FOR

Successors and predecessors for END_FOR

Predecessors	Count	Percentage
RETURN_VALUE	187,680	100.0%

Successors	Count	Percentage
POP_ITER	187,680	100.0%

EXIT_INIT_CHECK

Successors and predecessors for EXIT_INIT_CHECK

Predecessors	Count	Percentage
RETURN_VALUE	749,040	100.0%

Successors	Count	Percentage
RETURN_VALUE	749,040	100.0%

GET_ITER

Successors and predecessors for GET_ITER

Predecessors	Count	Percentage
CALL_BUILTIN_CLASS	375,000	28.6%
RETURN_VALUE	374,040	28.5%
LOAD_FAST	373,980	28.5%
RETURN_GENERATOR	187,680	14.3%
CALL_NON_PY_GENERAL	120	0.0%

Successors	Count	Percentage
FOR_ITER	750,600	57.3%
FOR_ITER_GEN	187,680	14.3%
FOR_ITER_LIST	186,240	14.2%
FOR_ITER_TUPLE	186,240	14.2%
FOR_ITER_RANGE	60	0.0%

INTERPRETER_EXIT

Successors and predecessors for INTERPRETER_EXIT

Predecessors	Count	Percentage
RETURN_VALUE	1,384,080	100.0%

MAKE_FUNCTION

Successors and predecessors for MAKE_FUNCTION

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	187,860	100.0%

Successors	Count	Percentage
STORE_FAST	187,680	99.9%
SET_FUNCTION_ATTRIBUTE	180	0.1%

NOP

Successors and predecessors for NOP

Predecessors	Count	Percentage
STORE_FAST	1,122,840	42.8%
RESUME_CHECK	936,960	35.7%
POP_JUMP_IF_TRUE	375,420	14.3%
POP_JUMP_IF_FALSE	187,680	7.2%

Successors	Count	Percentage
LOAD_FAST	2,061,300	78.6%
LOAD_GLOBAL_MODULE	375,360	14.3%
LOAD_GLOBAL_BUILTIN	186,240	7.1%

POP_EXCEPT

Successors and predecessors for POP_EXCEPT

Predecessors	Count	Percentage
POP_TOP	559,800	100.0%

Successors	Count	Percentage
JUMP_FORWARD	373,560	66.7%
LOAD_CONST_IMMORTAL	186,240	33.3%

POP_ITER

Successors and predecessors for POP_ITER

Predecessors	Count	Percentage
FOR_ITER	207,200	22.1%
END_FOR	187,680	20.1%
FOR_ITER_LIST	186,240	19.9%
FOR_ITER_TUPLE	186,240	19.9%
ENTER_EXECUTOR	168,060	18.0%

Successors	Count	Percentage
LOAD_FAST	374,040	40.0%
LOAD_FAST_LOAD_FAST	187,680	20.1%
LOAD_GLOBAL_BUILTIN	187,320	20.0%
LOAD_CONST_IMMORTAL	186,480	19.9%

POP_TOP

Successors and predecessors for POP_TOP

Predecessors	Count	Percentage
POP_JUMP_IF_FALSE	1,268,040	25.3%
RESUME_CHECK	940,080	18.7%
RETURN_VALUE	938,580	18.7%
CALL_METHOD_DESCRIPTOR_O	931,260	18.6%
SWAP	187,680	3.7%

Successors	Count	Percentage
LOAD_FAST	2,205,660	44.0%
LOAD_CONST_IMMORTAL	792,180	15.8%
POP_EXCEPT	559,800	11.2%
JUMP_BACKWARD_JIT	187,860	3.7%
BUILD_LIST	187,800	3.7%

PUSH_EXC_INFO

Successors and predecessors for PUSH_EXC_INFO

Predecessors	Count	Percentage
BINARY_SUBSCR_DICT	373,560	66.7%
CALL_BUILTIN_FAST_WITH_KEYWORDS	186,240	33.3%

Successors	Count	Percentage
LOAD_GLOBAL_BUILTIN	559,800	100.0%

PUSH_NULL

Successors and predecessors for PUSH_NULL

Predecessors	Count	Percentage
LOAD_ATTR_MODULE	1,307,880	46.2%
LOAD_FAST_LOAD_FAST	752,400	26.6%
LOAD_FAST	394,560	13.9%
RETURN_VALUE	187,680	6.6%
LOAD_ATTR	187,680	6.6%

Successors	Count	Percentage
LOAD_FAST	1,873,980	66.2%
LOAD_SMALL_INT	206,580	7.3%
LOAD_FAST_LOAD_FAST	187,740	6.6%
CALL_ALLOC_AND_ENTER_INIT	187,680	6.6%
CALL_BUILTIN_FAST_WITH_KEYWORDS	187,320	6.6%

RETURN_GENERATOR

Successors and predecessors for RETURN_GENERATOR

Predecessors	Count	Percentage
CALL_PY_EXACT_ARGS	187,680	100.0%

Successors	Count	Percentage
GET_ITER	187,680	100.0%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE

Predecessors	Count	Percentage
LOAD_CONST_IMMORTAL	2,621,340	16.8%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	2,610,240	16.7%
BUILD_TUPLE	1,875,720	12.0%
LOAD_ATTR_SLOT	1,679,040	10.8%
RETURN_VALUE	1,308,360	8.4%

Successors	Count	Percentage
LOAD_ATTR_METHOD_NO_DICT	2,610,240	16.7%
STORE_FAST	2,245,860	14.4%
INTERPRETER_EXIT	1,384,080	8.9%
UNPACK_SEQUENCE_TWO_TUPLE	1,313,040	8.4%
RETURN_VALUE	1,308,360	8.4%

TO_BOOL

Successors and predecessors for TO_BOOL

Predecessors	Count	Percentage
LOAD_FAST	1,127,060	85.8%
LOAD_ATTR_INSTANCE_VALUE	186,420	14.2%
TO_BOOL	380	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	939,780	71.5%
POP_JUMP_IF_TRUE	373,680	28.4%
TO_BOOL	380	0.0%
TO_BOOL_BOOL	20	0.0%

UNARY_NEGATIVE

Successors and predecessors for UNARY_NEGATIVE

Predecessors	Count	Percentage
LOAD_FAST	230,280	55.3%
RETURN_VALUE	186,240	44.7%

Successors	Count	Percentage
STORE_FAST	230,280	55.3%
LOAD_FAST	186,240	44.7%

BINARY_OP

Successors and predecessors for BINARY_OP

Predecessors	Count	Percentage
LOAD_SMALL_INT	938,040	71.4%
LOAD_CONST_MORTAL	187,680	14.3%
BINARY_OP_ADD_INT	187,320	14.3%
BINARY_OP	380	0.0%
LOAD_FAST	20	0.0%

Successors	Count	Percentage
STORE_FAST	375,360	28.6%
CALL_BUILTIN_CLASS	375,360	28.6%
TO_BOOL_INT	187,680	14.3%
LOAD_SMALL_INT	187,320	14.3%
BINARY_OP_ADD_INT	187,320	14.3%

BUILD_LIST

Successors and predecessors for BUILD_LIST

Predecessors	Count	Percentage
STORE_FAST	750,360	33.3%
STORE_ATTR_SLOT	750,360	33.3%
RESUME_CHECK	375,000	16.7%
LOAD_FAST	187,920	8.3%
POP_TOP	187,800	8.3%

Successors	Count	Percentage
LOAD_FAST	1,125,960	50.0%
STORE_FAST	1,125,480	50.0%
CALL_BUILTIN_CLASS	120	0.0%

BUILD_MAP

Successors and predecessors for BUILD_MAP

Predecessors	Count	Percentage
STORE_ATTR_INSTANCE_VALUE	186,240	99.9%
CALL_INTRINSIC_1	120	0.1%

Successors	Count	Percentage
LOAD_FAST	186,360	100.0%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE

Predecessors	Count	Percentage
RETURN_VALUE	939,720	27.8%
LOAD_FAST_LOAD_FAST	937,740	27.8%
LOAD_FAST	749,460	22.2%
BUILD_TUPLE	375,360	11.1%
CALL_METHOD_DESCRIPTOR_FAST	187,680	5.6%

Successors	Count	Percentage
RETURN_VALUE	1,875,720	55.5%
YIELD_VALUE	940,080	27.8%
BUILD_TUPLE	375,360	11.1%
CALL_BUILTIN_FAST	186,240	5.5%
LOAD_CONST_MORTAL	180	0.0%

CALL

Successors and predecessors for CALL

Predecessors	Count	Percentage
PUSH_NULL	80	30.8%
LOAD_FAST_LOAD_FAST	60	23.1%
LOAD_CONST_IMMORTAL	40	15.4%
BUILD_TUPLE	20	7.7%
LOAD_FAST	20	7.7%

Successors	Count	Percentage
CALL_NON_PY_GENERAL	100	38.5%
CALL_PY_EXACT_ARGS	80	30.8%
CALL_BUILTIN_CLASS	20	7.7%
CALL_METHOD_DESCRIPTOR_NOARGS	20	7.7%
CALL_METHOD_DESCRIPTOR_O	20	7.7%

CALL_INTRINSIC_1

Successors and predecessors for CALL_INTRINSIC_1

Predecessors	Count	Percentage
LIST_EXTEND	120	100.0%

Successors	Count	Percentage
BUILD_MAP	120	100.0%

COMPARE_OP

Successors and predecessors for COMPARE_OP

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	3,381,600	69.8%
LOAD_CONST_MORTAL	1,460,520	30.2%
COMPARE_OP	1,280	0.0%
LOAD_SMALL_INT	20	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	4,697,040	97.0%
STORE_FAST	145,080	3.0%
COMPARE_OP	1,280	0.0%
COMPARE_OP_INT	20	0.0%

CONTAINS_OP

Successors and predecessors for CONTAINS_OP

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	562,440	60.0%
LOAD_CONST_MORTAL	375,360	40.0%
CONTAINS_OP	300	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	937,800	100.0%
CONTAINS_OP	300	0.0%

COPY

Successors and predecessors for COPY

Predecessors	Count	Percentage
COMPARE_OP_INT	750,720	64.3%
LOAD_CONST_IMMORTAL	230,280	19.7%
LOAD_FAST	186,480	16.0%

Successors	Count	Percentage
TO_BOOL_BOOL	750,720	64.3%
TO_BOOL_INT	230,280	19.7%
LOAD_ATTR_INSTANCE_VALUE	186,240	16.0%
TO_BOOL_NONE	240	0.0%

COPY_FREE_VARS

Successors and predecessors for COPY_FREE_VARS

Predecessors	Count	Percentage
CALL_ALLOC_AND_ENTER_INIT	187,680	33.5%
CALL_PY_EXACT_ARGS	186,300	33.3%
LOAD_ATTR_PROPERTY	186,240	33.2%

Successors	Count	Percentage
RESUME_CHECK	560,220	100.0%

DICT_MERGE

Successors and predecessors for DICT_MERGE

Predecessors	Count	Percentage
LOAD_FAST	120	100.0%

Successors	Count	Percentage
CALL_FUNCTION_EX	120	100.0%

EXTENDED_ARG

Successors and predecessors for EXTENDED_ARG

Predecessors	Count	Percentage
TO_BOOL_LIST	186,360	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	186,360	100.0%

FOR_ITER

Successors and predecessors for FOR_ITER

Predecessors	Count	Percentage
JUMP_BACKWARD_JIT	791,740	51.3%
GET_ITER	750,600	48.7%
FOR_ITER	480	0.0%

Successors	Count	Percentage
STORE_FAST	1,147,820	74.4%
POP_ITER	207,200	13.4%
UNPACK_SEQUENCE_TWO_TUPLE	187,320	12.1%
FOR_ITER	480	0.0%

IMPORT_FROM

Successors and predecessors for IMPORT_FROM

Predecessors	Count	Percentage
IMPORT_NAME	120	100.0%

Successors	Count	Percentage
STORE_FAST	120	100.0%

IMPORT_NAME

Successors and predecessors for IMPORT_NAME

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	120	100.0%

Successors	Count	Percentage
IMPORT_FROM	120	100.0%

IS_OP

Successors and predecessors for IS_OP

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	360	46.2%
LOAD_GLOBAL_MODULE	360	46.2%
LOAD_CONST_IMMORTAL	60	7.7%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	720	92.3%
STORE_FAST	60	7.7%

JUMP_FORWARD

Successors and predecessors for JUMP_FORWARD

Predecessors	Count	Percentage
POP_EXCEPT	373,560	33.2%
STORE_FAST	188,580	16.8%
POP_TOP	187,680	16.7%
POP_JUMP_IF_FALSE	187,320	16.7%
STORE_ATTR_INSTANCE_VALUE	186,600	16.6%

Successors	Count	Percentage
LOAD_FAST	749,820	66.7%
LOAD_FAST_LOAD_FAST	373,920	33.3%

LIST_EXTEND

Successors and predecessors for LIST_EXTEND

Predecessors	Count	Percentage
LOAD_FAST	120	100.0%

Successors	Count	Percentage
CALL_INTRINSIC_1	120	100.0%

LOAD_ATTR

Successors and predecessors for LOAD_ATTR

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	187,740	33.3%
LOAD_FAST_LOAD_FAST	187,700	33.3%
LOAD_ATTR_INSTANCE_VALUE	187,360	33.3%
LOAD_FAST	260	0.0%
LOAD_ATTR	220	0.0%

Successors	Count	Percentage
PUSH_NULL	187,680	33.3%
CALL_NON_PY_GENERAL	187,680	33.3%
CALL_PY_GENERAL	187,320	33.3%
LOAD_ATTR	220	0.0%
LOAD_CONST_IMMORTAL	120	0.0%

LOAD_DEREF

Successors and predecessors for LOAD_DEREF

Predecessors	Count	Percentage
POP_JUMP_IF_FALSE	558,840	20.0%
LOAD_FAST	558,720	20.0%
STORE_FAST	373,860	13.4%
RESUME_CHECK	373,200	13.3%
LOAD_GLOBAL_MODULE	372,480	13.3%

Successors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	1,863,360	66.6%
LOAD_ATTR_METHOD_WITH_VALUES	373,800	13.4%
STORE_ATTR_INSTANCE_VALUE	372,600	13.3%
BINARY_OP_ADD_UNICODE	186,240	6.7%
STORE_FAST	60	0.0%

LOAD_FAST

Successors and predecessors for LOAD_FAST

Predecessors	Count	Percentage
POP_JUMP_IF_FALSE	10,148,640	13.4%
STORE_FAST	9,879,780	13.0%
RESUME_CHECK	9,610,380	12.7%
LOAD_GLOBAL_BUILTIN	5,641,680	7.4%
LOAD_ATTR_INSTANCE_VALUE	3,626,280	4.8%

Successors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	8,937,020	11.8%
LOAD_ATTR_SLOT	6,906,720	9.1%
LOAD_ATTR_METHOD_NO_DICT	6,767,700	8.9%
STORE_ATTR_SLOT	6,192,360	8.2%
LOAD_SMALL_INT	4,951,320	6.5%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST

Predecessors	Count	Percentage
STORE_FAST	1,126,200	12.7%
POP_JUMP_IF_NONE	939,720	10.6%
STORE_ATTR_SLOT	937,320	10.6%
LOAD_ATTR_INSTANCE_VALUE	824,160	9.3%
LOAD_FAST_LOAD_FAST	750,360	8.4%

Successors	Count	Percentage
STORE_ATTR_SLOT	1,687,320	19.0%
LOAD_SMALL_INT	1,386,840	15.6%
BUILD_TUPLE	937,740	10.6%
PUSH_NULL	752,400	8.5%
LOAD_FAST_LOAD_FAST	750,360	8.4%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL

Predecessors	Count	Percentage
RESUME_CHECK	60	60.0%
POP_JUMP_IF_FALSE	20	20.0%
STORE_FAST	20	20.0%

Successors	Count	Percentage
LOAD_GLOBAL_MODULE	80	80.0%
LOAD_GLOBAL_BUILTIN	20	20.0%

LOAD_SMALL_INT

Successors and predecessors for LOAD_SMALL_INT

Predecessors	Count	Percentage
LOAD_FAST	4,951,320	48.3%
LOAD_FAST_LOAD_FAST	1,386,840	13.5%
LOAD_CONST_MORTAL	1,127,760	11.0%
CALL_LEN	1,125,720	11.0%
BINARY_SUBSCR_LIST_INT	374,640	3.7%

Successors	Count	Percentage
COMPARE_OP_INT	2,064,160	20.1%
BINARY_OP_ADD_INT	1,948,440	19.0%
BINARY_OP_MULTIPLY_INT	1,574,520	15.4%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	1,127,760	11.0%
BINARY_OP	938,040	9.1%

MAKE_CELL

Successors and predecessors for MAKE_CELL

Predecessors	Count	Percentage
CACHE	186,960	99.9%
CALL_PY_GENERAL	180	0.1%

Successors	Count	Percentage
RESUME_CHECK	187,140	100.0%

POP_JUMP_IF_FALSE

Successors and predecessors for POP_JUMP_IF_FALSE

Predecessors	Count	Percentage
TO_BOOL_BOOL	5,616,600	36.4%
COMPARE_OP	4,697,040	30.5%
COMPARE_OP_INT	1,312,380	8.5%
TO_BOOL	939,780	6.1%
CONTAINS_OP	937,800	6.1%

Successors	Count	Percentage
LOAD_FAST	10,148,640	65.9%
LOAD_GLOBAL_MODULE	1,309,080	8.5%
POP_TOP	1,268,040	8.2%
LOAD_FAST_LOAD_FAST	580,720	3.8%
LOAD_CONST_IMMORTAL	563,040	3.7%

POP_JUMP_IF_NONE

Successors and predecessors for POP_JUMP_IF_NONE

Predecessors	Count	Percentage
LOAD_FAST	2,082,180	50.4%
LOAD_ATTR_SLOT	1,305,120	31.6%
LOAD_ATTR_INSTANCE_VALUE	558,720	13.5%
CALL_BUILTIN_FAST	187,680	4.5%

Successors	Count	Percentage
LOAD_FAST	2,633,100	63.7%
LOAD_FAST_LOAD_FAST	939,720	22.7%
LOAD_GLOBAL_BUILTIN	560,880	13.6%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE

Predecessors	Count	Percentage
LOAD_FAST	1,309,260	63.6%
LOAD_ATTR_INSTANCE_VALUE	749,280	36.4%

Successors	Count	Percentage
LOAD_FAST	1,498,200	72.8%
LOAD_GLOBAL_MODULE	187,680	9.1%
LOAD_GLOBAL_BUILTIN	186,360	9.1%
LOAD_CONST_IMMORTAL	186,240	9.0%
LOAD_CONST_MORTAL	60	0.0%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE

Predecessors	Count	Percentage
COMPARE_OP_INT	1,123,920	39.4%
TO_BOOL_BOOL	935,580	32.8%
TO_BOOL	373,680	13.1%
TO_BOOL_INT	230,280	8.1%
TO_BOOL_STR	186,240	6.5%

Successors	Count	Percentage
LOAD_FAST	1,680,240	59.0%
NOP	375,420	13.2%
STORE_FAST	230,280	8.1%
LOAD_CONST_IMMORTAL	187,800	6.6%
LOAD_FAST_LOAD_FAST	187,680	6.6%

SET_FUNCTION_ATTRIBUTE

Successors and predecessors for SET_FUNCTION_ATTRIBUTE

Predecessors	Count	Percentage
MAKE_FUNCTION	180	100.0%

Successors	Count	Percentage
LOAD_FAST	120	66.7%
STORE_FAST	60	33.3%

STORE_DEREF

Successors and predecessors for STORE_DEREF

Predecessors	Count	Percentage
CALL_NON_PY_GENERAL	60	100.0%

Successors	Count	Percentage
LOAD_FAST	60	100.0%

STORE_FAST

Successors and predecessors for STORE_FAST

Predecessors	Count	Percentage
RETURN_VALUE	2,245,860	11.0%
LOAD_FAST	1,875,000	9.2%
LOAD_CONST_IMMORTAL	1,874,760	9.2%
BINARY_OP_ADD_INT	1,386,480	6.8%
FOR_ITER	1,147,820	5.6%

Successors	Count	Percentage
LOAD_FAST	9,879,780	48.4%
LOAD_GLOBAL_BUILTIN	1,876,080	9.2%
LOAD_GLOBAL_MODULE	1,872,880	9.2%
LOAD_CONST_IMMORTAL	1,313,940	6.4%
LOAD_FAST_LOAD_FAST	1,126,200	5.5%

STORE_FAST_STORE_FAST

Successors and predecessors for STORE_FAST_STORE_FAST

Predecessors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	2,626,740	70.0%
UNPACK_SEQUENCE_LIST	1,127,760	30.0%

Successors	Count	Percentage
LOAD_FAST	1,876,380	50.0%
JUMP_BACKWARD_JIT	752,400	20.0%
LOAD_FAST_LOAD_FAST	562,680	15.0%
LOAD_GLOBAL_BUILTIN	375,360	10.0%
LOAD_GLOBAL_MODULE	187,680	5.0%

SWAP

Successors and predecessors for SWAP

Predecessors	Count	Percentage
RETURN_VALUE	187,680	50.2%
BINARY_OP_ADD_INT	186,240	49.8%

Successors	Count	Percentage
POP_TOP	187,680	50.2%
STORE_ATTR_INSTANCE_VALUE	186,240	49.8%

UNPACK_SEQUENCE

Successors and predecessors for UNPACK_SEQUENCE

Predecessors	Count	Percentage
CALL_METHOD_DESCRIPTOR_NOARGS	20	100.0%

Successors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	20	100.0%

YIELD_VALUE

Successors and predecessors for YIELD_VALUE

Predecessors	Count	Percentage
BUILD_TUPLE	940,080	100.0%

Successors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	940,080	100.0%

BINARY_OP_ADD_INT

Successors and predecessors for BINARY_OP_ADD_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	1,948,440	52.5%
BINARY_OP_MULTIPLY_INT	1,387,200	37.4%
BINARY_OP	187,320	5.0%
CALL_LEN	187,320	5.0%

Successors	Count	Percentage
STORE_FAST	1,386,480	37.4%
BINARY_SLICE	1,199,520	32.3%
BINARY_OP_MULTIPLY_INT	375,360	10.1%
LOAD_CONST_IMMORTAL	375,360	10.1%
BINARY_OP	187,320	5.0%

BINARY_OP_ADD_UNICODE

Successors and predecessors for BINARY_OP_ADD_UNICODE

Predecessors	Count	Percentage
LOAD_DEREF	186,240	50.0%
LOAD_FAST	186,240	50.0%

Successors	Count	Percentage
BINARY_OP_INPLACE_ADD_UNICODE	186,240	50.0%
CALL_BUILTIN_FAST	186,240	50.0%

BINARY_OP_EXTEND

Successors and predecessors for BINARY_OP_EXTEND

Predecessors	Count	Percentage
LOAD_SMALL_INT	561,960	100.0%

Successors	Count	Percentage
STORE_FAST	374,640	66.7%
LOAD_FAST	187,320	33.3%

BINARY_OP_MULTIPLY_INT

Successors and predecessors for BINARY_OP_MULTIPLY_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	1,574,520	67.7%
BINARY_OP_ADD_INT	375,360	16.1%
LOAD_CONST_MORTAL	375,360	16.1%

Successors	Count	Percentage
BINARY_OP_ADD_INT	1,387,200	59.7%
LOAD_FAST	750,720	32.3%
LOAD_SMALL_INT	187,320	8.1%

BINARY_OP_SUBTRACT_FLOAT

Successors and predecessors for BINARY_OP_SUBTRACT_FLOAT

Predecessors	Count	Percentage
LOAD_FAST	40	66.7%
BINARY_OP	20	33.3%

Successors	Count	Percentage
STORE_FAST	60	100.0%

BINARY_OP_SUBTRACT_INT

Successors and predecessors for BINARY_OP_SUBTRACT_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	186,840	100.0%

Successors	Count	Percentage
BINARY_SUBSCR_LIST_INT	186,840	100.0%

BINARY_SUBSCR_DICT

Successors and predecessors for BINARY_SUBSCR_DICT

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	187,680	50.2%
LOAD_FAST	186,240	49.8%

Successors	Count	Percentage
PUSH_EXC_INFO	373,560	99.9%
STORE_FAST	360	0.1%

BINARY_SUBSCR_GETITEM

Successors and predecessors for BINARY_SUBSCR_GETITEM

Predecessors	Count	Percentage
LOAD_FAST	375,360	100.0%

Successors	Count	Percentage
RESUME_CHECK	375,360	100.0%

BINARY_SUBSCR_LIST_INT

Successors and predecessors for BINARY_SUBSCR_LIST_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	374,640	50.0%
LOAD_FAST	187,680	25.1%
BINARY_OP_SUBTRACT_INT	186,840	24.9%

Successors	Count	Percentage
LOAD_SMALL_INT	374,640	50.0%
STORE_FAST	374,520	50.0%

BINARY_SUBSCR_TUPLE_INT

Successors and predecessors for BINARY_SUBSCR_TUPLE_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	187,720	100.0%
BINARY_SUBSCR	20	0.0%

Successors	Count	Percentage
STORE_FAST	187,740	100.0%

CALL_ALLOC_AND_ENTER_INIT

Successors and predecessors for CALL_ALLOC_AND_ENTER_INIT

Predecessors	Count	Percentage
LOAD_FAST	374,040	49.9%
PUSH_NULL	187,680	25.1%
LOAD_FAST_LOAD_FAST	187,320	25.0%

Successors	Count	Percentage
RESUME_CHECK	561,360	74.9%
COPY_FREE_VARS	187,680	25.1%

CALL_BUILTIN_CLASS

Successors and predecessors for CALL_BUILTIN_CLASS

Predecessors	Count	Percentage
LOAD_FAST	749,320	40.0%
BINARY_SUBSCR	562,680	30.0%
BINARY_OP	375,360	20.0%
LOAD_GLOBAL_BUILTIN	186,600	10.0%
BUILD_LIST	120	0.0%

Successors	Count	Percentage
STORE_FAST	1,126,140	60.1%
GET_ITER	375,000	20.0%
LOAD_FAST	186,720	10.0%
RETURN_VALUE	186,240	9.9%

CALL_BUILTIN_FAST

Successors and predecessors for CALL_BUILTIN_FAST

Predecessors	Count	Percentage
LOAD_SMALL_INT	206,580	18.1%
LOAD_CONST_IMMORTAL	187,800	16.5%
LOAD_FAST	187,320	16.4%
LOAD_ATTR_INSTANCE_VALUE	186,960	16.4%
BUILD_TUPLE	186,240	16.3%

Successors	Count	Percentage
STORE_FAST	580,860	50.9%
POP_JUMP_IF_NONE	187,680	16.4%
RETURN_VALUE	186,360	16.3%
POP_TOP	186,240	16.3%
CALL_PY_EXACT_ARGS	120	0.0%

CALL_BUILTIN_FAST_WITH_KEYWORDS

Successors and predecessors for CALL_BUILTIN_FAST_WITH_KEYWORDS

Predecessors	Count	Percentage
LOAD_FAST	560,160	60.0%
PUSH_NULL	187,320	20.1%
LOAD_CONST_IMMORTAL	186,240	19.9%

Successors	Count	Percentage
STORE_FAST	559,800	60.0%
LOAD_SMALL_INT	187,680	20.1%
PUSH_EXC_INFO	186,240	19.9%

CALL_BUILTIN_O

Successors and predecessors for CALL_BUILTIN_O

Predecessors	Count	Percentage
LOAD_FAST	750,720	56.4%
BINARY_SUBSCR	394,260	29.6%
LOAD_ATTR_INSTANCE_VALUE	186,240	14.0%

Successors	Count	Percentage
STORE_FAST	563,040	42.3%
RETURN_VALUE	375,360	28.2%
CALL_LIST_APPEND	206,580	15.5%
UNPACK_SEQUENCE_TWO_TUPLE	186,240	14.0%

CALL_ISINSTANCE

Successors and predecessors for CALL_ISINSTANCE

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	561,840	75.0%
LOAD_GLOBAL_MODULE	187,680	25.0%

Successors	Count	Percentage
TO_BOOL_BOOL	749,520	100.0%

CALL_KW_NON_PY

Successors and predecessors for CALL_KW_NON_PY

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	186,240	100.0%

Successors	Count	Percentage
RETURN_VALUE	186,240	100.0%

CALL_KW_PY

Successors and predecessors for CALL_KW_PY

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	562,320	100.0%

Successors	Count	Percentage
RESUME_CHECK	562,320	100.0%

CALL_LEN

Successors and predecessors for CALL_LEN

Predecessors	Count	Percentage
LOAD_FAST	1,687,680	90.1%
LOAD_ATTR_INSTANCE_VALUE	186,240	9.9%

Successors	Count	Percentage
LOAD_SMALL_INT	1,125,720	60.1%
STORE_FAST	374,640	20.0%
BINARY_OP_ADD_INT	187,320	10.0%
LOAD_GLOBAL_MODULE	186,240	9.9%

CALL_LIST_APPEND

Successors and predecessors for CALL_LIST_APPEND

Predecessors	Count	Percentage
LOAD_FAST	564,000	73.2%
CALL_BUILTIN_O	206,580	26.8%

Successors	Count	Percentage
LOAD_FAST	374,640	48.6%
ENTER_EXECUTOR	206,580	26.8%
JUMP_BACKWARD_JIT	189,360	24.6%

CALL_METHOD_DESCRIPTOR_FAST

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	2,067,840	64.8%
LOAD_FAST	559,800	17.6%
LOAD_ATTR_METHOD_LAZY_DICT	187,680	5.9%
LOAD_CONST_IMMORTAL	187,680	5.9%
LOAD_ATTR_MODULE	186,240	5.8%

Successors	Count	Percentage
TO_BOOL_BOOL	2,064,960	64.7%
STORE_FAST	561,600	17.6%
RETURN_VALUE	187,680	5.9%
BUILD_TUPLE	187,680	5.9%
POP_TOP	187,320	5.9%

CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS

Predecessors	Count	Percentage
LOAD_CONST_IMMORTAL	2,610,240	69.8%
LOAD_SMALL_INT	1,127,760	30.2%

Successors	Count	Percentage
RETURN_VALUE	2,610,240	69.8%
UNPACK_SEQUENCE_LIST	1,127,760	30.2%

CALL_METHOD_DESCRIPTOR_NOARGS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_NOARGS

Predecessors	Count	Percentage
LOAD_ATTR_METHOD_NO_DICT	373,960	66.6%
LOAD_ATTR_METHOD_LAZY_DICT	187,680	33.4%
CALL	20	0.0%

Successors	Count	Percentage
POP_TOP	187,680	33.4%
RETURN_VALUE	187,680	33.4%
STORE_FAST	186,240	33.2%
UNPACK_SEQUENCE_TWO_TUPLE	40	0.0%
UNPACK_SEQUENCE	20	0.0%

CALL_METHOD_DESCRIPTOR_O

Successors and predecessors for CALL_METHOD_DESCRIPTOR_O

Predecessors	Count	Percentage
LOAD_FAST	934,080	71.5%
RETURN_VALUE	372,480	28.5%
BUILD_TUPLE	40	0.0%
CALL	20	0.0%

Successors	Count	Percentage
POP_TOP	931,260	71.3%
BUILD_TUPLE	187,680	14.4%
CALL_NON_PY_GENERAL	187,680	14.4%

CALL_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL

Predecessors	Count	Percentage
LOAD_ATTR	187,680	33.3%
CALL_METHOD_DESCRIPTOR_O	187,680	33.3%
LOAD_FAST	187,320	33.3%
PUSH_NULL	400	0.1%
LOAD_ATTR_INSTANCE_VALUE	120	0.0%

Successors	Count	Percentage
STORE_FAST	562,740	99.9%
POP_TOP	180	0.0%
LOAD_FAST	180	0.0%
GET_ITER	120	0.0%
RETURN_VALUE	60	0.0%

CALL_PY_EXACT_ARGS

Successors and predecessors for CALL_PY_EXACT_ARGS

Predecessors	Count	Percentage
LOAD_FAST	4,875,600	54.3%
LOAD_ATTR_METHOD_NO_DICT	2,797,560	31.1%
LOAD_ATTR_METHOD_WITH_VALUES	746,400	8.3%
LOAD_FAST_LOAD_FAST	374,000	4.2%
LOAD_SUPER_ATTR_METHOD	187,680	2.1%

Successors	Count	Percentage
RESUME_CHECK	8,607,540	95.8%
RETURN_GENERATOR	187,680	2.1%
COPY_FREE_VARS	186,300	2.1%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL

Predecessors	Count	Percentage
LOAD_FAST	187,680	25.1%
LOAD_ATTR	187,320	25.1%
LOAD_CONST_IMMORTAL	186,280	24.9%
LOAD_FAST_LOAD_FAST	186,240	24.9%
LOAD_GLOBAL_MODULE	120	0.0%

Successors	Count	Percentage
RESUME_CHECK	747,480	100.0%
MAKE_CELL	180	0.0%

COMPARE_OP_INT

Successors and predecessors for COMPARE_OP_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	2,064,160	64.8%
LOAD_GLOBAL_MODULE	560,880	17.6%
LOAD_ATTR_INSTANCE_VALUE	187,320	5.9%
LOAD_ATTR_SLOT	187,320	5.9%
LOAD_CONST_IMMORTAL	187,320	5.9%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	1,312,380	41.2%
POP_JUMP_IF_TRUE	1,123,920	35.3%
COPY	750,720	23.6%

COMPARE_OP_STR

Successors and predecessors for COMPARE_OP_STR

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	120	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	120	100.0%

CONTAINS_OP_SET

Successors and predecessors for CONTAINS_OP_SET

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	1,118,880	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	932,640	83.4%
STORE_FAST	186,240	16.6%

FOR_ITER_GEN

Successors and predecessors for FOR_ITER_GEN

Predecessors	Count	Percentage
JUMP_BACKWARD_JIT	940,080	83.4%
GET_ITER	187,680	16.6%

Successors	Count	Percentage
RESUME_CHECK	940,080	83.4%
POP_TOP	187,680	16.6%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST

Predecessors	Count	Percentage
JUMP_BACKWARD_JIT	187,560	50.2%
GET_ITER	186,240	49.8%

Successors	Count	Percentage
STORE_FAST	187,560	50.2%
POP_ITER	186,240	49.8%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE

Predecessors	Count	Percentage
JUMP_BACKWARD_JIT	120	66.7%
GET_ITER	60	33.3%

Successors	Count	Percentage
STORE_FAST	120	66.7%
POP_ITER	60	33.3%

FOR_ITER_TUPLE

Successors and predecessors for FOR_ITER_TUPLE

Predecessors	Count	Percentage
GET_ITER	186,240	50.0%
JUMP_BACKWARD_NO_JIT	186,240	50.0%

Successors	Count	Percentage
POP_ITER	186,240	50.0%
STORE_FAST	186,240	50.0%

JUMP_BACKWARD_JIT

Successors and predecessors for JUMP_BACKWARD_JIT

Predecessors	Count	Percentage
STORE_FAST	789,920	41.1%
STORE_FAST_STORE_FAST	752,400	39.2%
CALL_LIST_APPEND	189,360	9.9%
POP_TOP	187,860	9.8%
POP_JUMP_IF_TRUE	600	0.0%

Successors	Count	Percentage
FOR_ITER_GEN	940,080	49.0%
FOR_ITER	791,740	41.2%
FOR_ITER_LIST	187,560	9.8%
LOAD_FAST	600	0.0%
FOR_ITER_RANGE	120	0.0%

JUMP_BACKWARD_NO_JIT

Successors and predecessors for JUMP_BACKWARD_NO_JIT

Predecessors	Count	Percentage
BINARY_OP_INPLACE_ADD_UNICODE	186,240	100.0%

Successors	Count	Percentage
FOR_ITER_TUPLE	186,240	100.0%

LOAD_ATTR_INSTANCE_VALUE

Successors and predecessors for LOAD_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
LOAD_FAST	8,937,020	78.7%
LOAD_DEREF	1,863,360	16.4%
LOAD_FAST_LOAD_FAST	373,600	3.3%
COPY	186,240	1.6%
LOAD_ATTR	60	0.0%

Successors	Count	Percentage
LOAD_FAST	3,626,280	31.9%
LOAD_ATTR_METHOD_NO_DICT	1,305,200	11.5%
CONTAINS_OP_SET	1,118,880	9.8%
LOAD_FAST_LOAD_FAST	824,160	7.3%
RETURN_VALUE	749,280	6.6%

LOAD_ATTR_METHOD_LAZY_DICT

Successors and predecessors for LOAD_ATTR_METHOD_LAZY_DICT

Predecessors	Count	Percentage
LOAD_FAST	375,360	66.7%
LOAD_ATTR_INSTANCE_VALUE	187,320	33.3%

Successors	Count	Percentage
CALL_METHOD_DESCRIPTOR_FAST	187,680	33.4%
CALL_METHOD_DESCRIPTOR_NOARGS	187,680	33.4%
LOAD_FAST	187,320	33.3%

LOAD_ATTR_METHOD_NO_DICT

Successors and predecessors for LOAD_ATTR_METHOD_NO_DICT

Predecessors	Count	Percentage
LOAD_FAST	6,767,700	53.9%
RETURN_VALUE	2,610,240	20.8%
LOAD_ATTR_INSTANCE_VALUE	1,305,200	10.4%
LOAD_ATTR_SLOT	1,305,120	10.4%
LOAD_CONST_IMMORTAL	375,360	3.0%

Successors	Count	Percentage
LOAD_CONST_MORTAL	3,195,600	25.5%
LOAD_FAST	2,993,400	23.8%
CALL_PY_EXACT_ARGS	2,797,560	22.3%
LOAD_CONST_IMMORTAL	2,610,240	20.8%
CALL_METHOD_DESCRIPTOR_NOARGS	373,960	3.0%

LOAD_ATTR_METHOD_WITH_VALUES

Successors and predecessors for LOAD_ATTR_METHOD_WITH_VALUES

Predecessors	Count	Percentage
LOAD_FAST	1,870,040	62.5%
RETURN_VALUE	749,280	25.0%
LOAD_DEREF	373,800	12.5%
LOAD_ATTR	40	0.0%

Successors	Count	Percentage
LOAD_FAST	1,686,300	56.3%
CALL_PY_EXACT_ARGS	746,400	24.9%
LOAD_FAST_LOAD_FAST	373,980	12.5%
LOAD_CONST_IMMORTAL	186,240	6.2%
LOAD_GLOBAL_BUILTIN	120	0.0%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	1,680,360	81.9%
LOAD_ATTR_MODULE	372,480	18.1%
LOAD_ATTR	60	0.0%

Successors	Count	Percentage
PUSH_NULL	1,307,880	63.7%
LOAD_ATTR_MODULE	372,480	18.1%
LOAD_FAST_LOAD_FAST	186,240	9.1%
CALL_METHOD_DESCRIPTOR_FAST	186,240	9.1%
STORE_FAST	60	0.0%

LOAD_ATTR_PROPERTY

Successors and predecessors for LOAD_ATTR_PROPERTY

Predecessors	Count	Percentage
LOAD_FAST	2,240,640	100.0%

Successors	Count	Percentage
RESUME_CHECK	2,054,400	91.7%
COPY_FREE_VARS	186,240	8.3%

LOAD_ATTR_SLOT

Successors and predecessors for LOAD_ATTR_SLOT

Predecessors	Count	Percentage
LOAD_FAST	6,906,720	97.4%
LOAD_FAST_LOAD_FAST	187,320	2.6%

Successors	Count	Percentage
RETURN_VALUE	1,679,040	23.7%
POP_JUMP_IF_NONE	1,305,120	18.4%
LOAD_ATTR_METHOD_NO_DICT	1,305,120	18.4%
TO_BOOL_BOOL	1,305,120	18.4%
STORE_FAST	562,680	7.9%

LOAD_CONST_IMMORTAL

Successors and predecessors for LOAD_CONST_IMMORTAL

Predecessors	Count	Percentage
STORE_ATTR_SLOT	2,626,440	22.9%
LOAD_ATTR_METHOD_NO_DICT	2,610,240	22.8%
STORE_FAST	1,313,940	11.5%
POP_TOP	792,180	6.9%
LOAD_FAST	749,520	6.5%

Successors	Count	Percentage
RETURN_VALUE	2,621,340	22.9%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	2,610,240	22.8%
LOAD_FAST	2,064,120	18.0%
STORE_FAST	1,874,760	16.4%
BINARY_SLICE	375,360	3.3%

LOAD_CONST_MORTAL

Successors and predecessors for LOAD_CONST_MORTAL

Predecessors	Count	Percentage
LOAD_FAST	4,107,900	44.8%
LOAD_ATTR_METHOD_NO_DICT	3,195,600	34.8%
STORE_FAST	563,040	6.1%
LOAD_FAST_LOAD_FAST	562,680	6.1%
BINARY_SUBSCR	375,360	4.1%

Successors	Count	Percentage
BINARY_SUBSCR	2,084,700	22.7%
CALL_METHOD_DESCRIPTOR_FAST	2,067,840	22.5%
COMPARE_OP	1,460,520	15.9%
LOAD_SMALL_INT	1,127,760	12.3%
CALL_KW_PY	562,320	6.1%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN

Predecessors	Count	Percentage
STORE_FAST	1,876,080	25.6%
RESUME_CHECK	1,686,360	23.0%
LOAD_FAST	749,160	10.2%
POP_JUMP_IF_NONE	560,880	7.7%
PUSH_EXC_INFO	559,800	7.6%

Successors	Count	Percentage
LOAD_FAST	5,641,680	77.0%
CALL_ISINSTANCE	561,840	7.7%
CHECK_EXC_MATCH	559,800	7.6%
LOAD_GLOBAL_MODULE	373,920	5.1%
CALL_BUILTIN_CLASS	186,600	2.5%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE

Predecessors	Count	Percentage
LOAD_FAST	4,319,400	39.7%
STORE_FAST	1,872,880	17.2%
POP_JUMP_IF_FALSE	1,309,080	12.0%
RESUME_CHECK	1,123,320	10.3%
NOP	375,360	3.5%

Successors	Count	Percentage
COMPARE_OP	3,381,600	31.1%
LOAD_FAST	2,811,840	25.9%
LOAD_ATTR_MODULE	1,680,360	15.5%
CONTAINS_OP	562,440	5.2%
LOAD_FAST_LOAD_FAST	562,380	5.2%

LOAD_SUPER_ATTR_METHOD

Successors and predecessors for LOAD_SUPER_ATTR_METHOD

Predecessors	Count	Percentage
LOAD_FAST	187,680	100.0%

Successors	Count	Percentage
CALL_PY_EXACT_ARGS	187,680	100.0%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK

Predecessors	Count	Percentage
CALL_PY_EXACT_ARGS	8,607,540	53.9%
LOAD_ATTR_PROPERTY	2,054,400	12.9%
CACHE	1,197,180	7.5%
FOR_ITER_GEN	940,080	5.9%
CALL_PY_GENERAL	747,480	4.7%

Successors	Count	Percentage
LOAD_FAST	9,610,380	60.1%
LOAD_GLOBAL_BUILTIN	1,686,360	10.6%
LOAD_GLOBAL_MODULE	1,123,320	7.0%
POP_TOP	940,080	5.9%
NOP	936,960	5.9%

STORE_ATTR_INSTANCE_VALUE

Successors and predecessors for STORE_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
LOAD_FAST	933,120	45.5%
LOAD_FAST_LOAD_FAST	560,760	27.3%
LOAD_DEREF	372,600	18.2%
SWAP	186,240	9.1%

Successors	Count	Percentage
LOAD_FAST	745,800	36.3%
LOAD_CONST_IMMORTAL	373,320	18.2%
LOAD_FAST_LOAD_FAST	187,080	9.1%
LOAD_GLOBAL_BUILTIN	186,840	9.1%
JUMP_FORWARD	186,600	9.1%

STORE_ATTR_SLOT

Successors and predecessors for STORE_ATTR_SLOT

Predecessors	Count	Percentage
LOAD_FAST	6,192,360	78.6%
LOAD_FAST_LOAD_FAST	1,687,320	21.4%

Successors	Count	Percentage
LOAD_FAST	2,814,840	35.7%
LOAD_CONST_IMMORTAL	2,626,440	33.3%
LOAD_FAST_LOAD_FAST	937,320	11.9%
BUILD_LIST	750,360	9.5%
UNPACK_SEQUENCE_TWO_TUPLE	375,360	4.8%

STORE_SUBSCR_DICT

Successors and predecessors for STORE_SUBSCR_DICT

Predecessors	Count	Percentage
LOAD_CONST_IMMORTAL	120	100.0%

Successors	Count	Percentage
LOAD_FAST	120	100.0%

TO_BOOL_BOOL

Successors and predecessors for TO_BOOL_BOOL

Predecessors	Count	Percentage
CALL_METHOD_DESCRIPTOR_FAST	2,064,960	31.5%
LOAD_FAST	1,308,520	20.0%
LOAD_ATTR_SLOT	1,305,120	19.9%
COPY	750,720	11.5%
CALL_ISINSTANCE	749,520	11.4%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	5,616,600	85.7%
POP_JUMP_IF_TRUE	935,580	14.3%

TO_BOOL_INT

Successors and predecessors for TO_BOOL_INT

Predecessors	Count	Percentage
COPY	230,280	55.1%
BINARY_OP	187,680	44.9%

Successors	Count	Percentage
POP_JUMP_IF_TRUE	230,280	55.1%
POP_JUMP_IF_FALSE	187,680	44.9%

TO_BOOL_LIST

Successors and predecessors for TO_BOOL_LIST

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	186,360	100.0%

Successors	Count	Percentage
EXTENDED_ARG	186,360	100.0%

TO_BOOL_NONE

Successors and predecessors for TO_BOOL_NONE

Predecessors	Count	Percentage
COPY	240	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	120	50.0%
POP_JUMP_IF_TRUE	120	50.0%

TO_BOOL_STR

Successors and predecessors for TO_BOOL_STR

Predecessors	Count	Percentage
LOAD_FAST	186,240	100.0%

Successors	Count	Percentage
POP_JUMP_IF_TRUE	186,240	100.0%

UNPACK_SEQUENCE_LIST

Successors and predecessors for UNPACK_SEQUENCE_LIST

Predecessors	Count	Percentage
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	1,127,760	100.0%

Successors	Count	Percentage
STORE_FAST_STORE_FAST	1,127,760	100.0%

UNPACK_SEQUENCE_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TUPLE

Predecessors	Count	Percentage
LOAD_FAST	375,360	66.7%
RETURN_VALUE	187,680	33.3%

Successors	Count	Percentage
LOAD_FAST	563,040	100.0%

UNPACK_SEQUENCE_TWO_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TWO_TUPLE

Predecessors	Count	Percentage
RETURN_VALUE	1,313,040	43.7%
YIELD_VALUE	940,080	31.3%
STORE_ATTR_SLOT	375,360	12.5%
FOR_ITER	187,320	6.2%
CALL_BUILTIN_O	186,240	6.2%

Successors	Count	Percentage
STORE_FAST_STORE_FAST	2,626,740	87.5%
LOAD_FAST	375,360	12.5%

ENTER_EXECUTOR

Successors and predecessors for ENTER_EXECUTOR

Predecessors	Count	Percentage
CALL_LIST_APPEND	206,580	45.2%
STORE_FAST	168,060	36.8%
ENTER_EXECUTOR	81,900	17.9%

Successors	Count	Percentage
GET_AITER	824,160	64.4%
LOAD_FAST_LOAD_FAST	168,080	13.1%
POP_ITER	168,060	13.1%
ENTER_EXECUTOR	81,900	6.4%
POP_JUMP_IF_FALSE	38,500	3.0%

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.	1,313,040	14.5%
hit ⓘ Specialized instructions that complete.	7,717,740	85.5%

Success	Count	Ratio
Success	20	5.0%
Failure	380	95.0%

Failure kind	Count	Ratio
remainder	100	26.3%
true divide other	100	26.3%
and int	60	15.8%
lshift	60	15.8%
rshift	60	15.8%

BINARY_SLICE

specialization stats for BINARY_SLICE family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	1,574,880	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.	2,460,060	59.3%
hit ⓘ Specialized instructions that complete.	1,686,180	40.7%

Success	Count	Ratio
Success	20	2.9%
Failure	660	97.1%

Failure kind	Count	Ratio
buffer slice	500	75.8%
buffer int	100	15.2%
list slice	60	9.1%

CALL

specialization stats for CALL family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	28,079,220	100.0%

Success	Count	Ratio
Success	260	100.0%
Failure	0	0.0%

COMPARE_OP

specialization stats for COMPARE_OP family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	4,842,120	57.6%
hit ⓘ Specialized instructions that complete.	3,561,780	42.4%

Success	Count	Ratio
Success	20	1.5%
Failure	1,280	98.5%

Failure kind	Count	Ratio
bytes	960	75.0%
different types	320	25.0%

CONTAINS_OP

specialization stats for CONTAINS_OP family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	937,800	45.6%
hit ⓘ Specialized instructions that complete.	1,118,880	54.4%

Success	Count	Ratio
Success	0	0.0%
Failure	300	100.0%

Failure kind	Count	Ratio
tuple	200	66.7%
other	100	33.3%

FOR_ITER

specialization stats for FOR_ITER family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	1,542,340	45.1%
hit ⓘ Specialized instructions that complete.	1,874,220	54.8%

Success	Count	Ratio
Success	0	0.0%
Failure	480	100.0%

Failure kind	Count	Ratio
other	240	50.0%
dict values	60	12.5%
enumerate	60	12.5%
reversed list	60	12.5%
itertools	40	8.3%
callable	20	4.2%

LOAD_ATTR

specialization stats for LOAD_ATTR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	562,860	1.4%
hit ⓘ Specialized instructions that complete.	39,023,100	98.6%

Success	Count	Ratio
Success	200	47.6%
Failure	220	52.4%

Failure kind	Count	Ratio
method	140	63.6%
non overriding descriptor	60	27.3%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	18,194,880	100.0%

Success	Count	Ratio
Success	100	100.0%
Failure	0	0.0%

LOAD_SUPER_ATTR

specialization stats for LOAD_SUPER_ATTR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	187,680	100.0%

STORE_ATTR

specialization stats for STORE_ATTR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	9,932,400	100.0%

STORE_SUBSCR

specialization stats for STORE_SUBSCR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	120	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.	1,313,460	14.5%
hit ⓘ Specialized instructions that complete.	7,717,620	85.5%

Success	Count	Ratio
Success	20	5.0%
Failure	380	95.0%

Failure kind	Count	Ratio
bytes	300	78.9%
sequence	80	21.1%

UNPACK_SEQUENCE

specialization stats for UNPACK_SEQUENCE family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	4,692,900	100.0%

Success	Count	Ratio
Success	20	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`.	190,249,260	51.8%
Not specialized ⓘ Instructions that could be specialized but aren't, e.g. `LOAD_ATTR`, `BINARY_SLICE`.	14,550,920	4.0%
Specialized hits ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that complete.	162,402,680	44.2%
Specialized misses ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that deopt.	0	0.0%

Deferred by instruction

Breakdown of deferred (not specialized) instruction counts by family

Name	Count	Ratio
COMPARE_OP	4,842,120	33.3%
BINARY_SUBSCR	2,460,060	16.9%
BINARY_SLICE	1,574,880	10.8%
FOR_ITER	1,542,340	10.6%
TO_BOOL	1,313,460	9.0%
BINARY_OP	1,313,040	9.0%
CONTAINS_OP	937,800	6.4%
LOAD_ATTR	562,860	3.9%
STORE_SLICE	0	0.0%
CACHE	0	0.0%

Misses by instruction

Breakdown of misses (specialized deopts) instruction counts by family

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	1,384,140	8.6%
Calls to Python functions inlined	14,784,300	91.4%
Calls via PyEval_EvalFrame (total)	1,384,140	8.6%
Calls via PyEval_EvalFrame (vector)	1,384,140	8.6%
Calls via PyEval_EvalFrame (generator)	0	0.0%
Calls via PyEval_EvalFrame (legacy)	0	0.0%
Calls via PyEval_EvalFrame (function vectorcall)	1,384,140	8.6%
Calls via PyEval_EvalFrame (build class)	0	0.0%
Calls via PyEval_EvalFrame (slot)	186,960	1.2%
Calls via PyEval_EvalFrame (function ex)	0	0.0%
Calls via PyEval_EvalFrame (api)	120	0.0%
Calls via PyEval_EvalFrame (method)	0	0.0%
Frame objects created	747,120	4.6%
Frames pushed	15,789,720	97.7%

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	20,741,800	51.0%
Frees to freelist	20,741,340
Allocations	19,929,848	49.0%
Allocations to 512 bytes	19,357,268	47.6%
Allocations to 4 kbytes	197,220	0.5%
Allocations over 4 kbytes	375,360	0.9%
Frees	20,641,026
Inline values	372,720
Interpreter mortal increfs	171,754,060	64.5%
Interpreter mortal decrefs	187,975,580	57.9%
Mortal increfs	29,964,934	11.2%
Mortal decrefs	51,141,621	15.8%
Interpreter immortal increfs	30,099,900	11.3%
Interpreter immortal decrefs	54,905,460	16.9%
Immortal increfs	34,572,827	13.0%
Immortal decrefs	30,537,891	9.4%
Materialize dict (on request)	0	0.0%
Materialize dict (new key)	0	0.0%
Materialize dict (too big)	0	0.0%
Materialize dict (str subclass)	0	0.0%
Method cache hits	1,864,788
Method cache misses	195,852
Method cache collisions	195,379
Method cache dunder hits	935,717
Method cache dunder misses	283

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.	680
Traces created ⓘ The number of traces that were successfully created.	60	8.8%
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.	220	32.4%
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.	0	0.0%
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%
Unknown callee ⓘ A trace is abandoned because the target of a call is unknown.	400	58.8%
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	878,880
Uops executed ⓘ The total number of uops (micro-operations) that were executed	19,047,260	2,167.2%

	Count	Ratio
Optimizer attempts ⓘ The number of times the trace optimizer (_Py_uop_analyze_and_optimize) was run.	60
Optimizer successes ⓘ The number of traces that were successfully optimized.	60	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%

JIT memory stats

	Size (bytes)	Ratio
Total memory size ⓘ The total size of the memory allocated for the JIT traces	573,440
Code size ⓘ The size of the memory allocated for the code of the JIT traces	330,560	57.6%
Trampoline size ⓘ The size of the memory allocated for the trampolines of the JIT traces	0	0.0%
Data size ⓘ The size of the memory allocated for the data of the JIT traces	63,520	11.1%
Padding size ⓘ The size of the memory allocated for the padding of the JIT traces	179,360	31.3%
Freed memory size ⓘ The size of the memory freed from the JIT traces	0	0.0%

JIT trace total memory histogram

Size (bytes)	Count	Ratio
<= 4,096	20	33.3%
<= 8,192	0	0.0%
<= 16,384	40	66.7%

Trace length histogram

trace length histogram

Range	Count	Ratio
<= 16	20	33.3%
<= 32	0	0.0%
<= 64	40	66.7%

Optimized trace length histogram

optimized trace length histogram

Range	Count	Ratio
<= 16	20	33.3%
<= 32	20	33.3%
<= 64	20	33.3%

Trace run length histogram

trace run length histogram

Uop execution stats

uop execution stats

Name	Count	Self	Cumulative	Miss ratio
_SET_IP	2,337,140	12.3%	12.3%
_CHECK_VALIDITY	1,834,680	9.6%	21.9%
_MAKE_WARM	1,045,180	5.5%	27.4%
_CHECK_PERIODIC	1,045,160	5.5%	32.9%
_CHECK_VALIDITY_AND_SET_IP	1,004,880	5.3%	38.2%
_LOAD_FAST_2	917,340	4.8%	43.0%
_EXIT_TRACE	878,880	4.6%	47.6%
_START_EXECUTOR	878,880	4.6%	52.2%
_PUSH_NULL	710,760	3.7%	55.9%
_LOAD_CONST_INLINE	710,760	3.7%	59.7%
_BINARY_SUBSCR	542,700	2.8%	62.5%
_CHECK_FUNCTION	542,700	2.8%	65.4%
_CALL_LEN	374,640	2.0%	67.3%
_TO_BOOL_INT	374,640	2.0%	69.3%
_BINARY_OP_EXTEND	374,640	2.0%	71.3%
_COMPARE_OP_INT	374,640	2.0%	73.2%
_GUARD_BINARY_OP_EXTEND	374,640	2.0%	75.2%
_GUARD_IS_FALSE_POP	374,640	2.0%	77.2%
_GUARD_NOS_INT	374,640	2.0%	79.1%
_LOAD_CONST_INLINE_BORROW	374,640	2.0%	81.1%
_LOAD_SMALL_INT	374,640	2.0%	83.1%
_LOAD_SMALL_INT_0	374,640	2.0%	85.0%
_GUARD_IS_TRUE_POP	336,140	1.8%	86.8%	50.0%
_FOR_ITER_TIER_TWO	334,400	1.8%	88.5%	50.3%
_CALL_LIST_APPEND	168,060	0.9%	89.4%
_CALL_BUILTIN_FAST	168,060	0.9%	90.3%
_CALL_BUILTIN_O	168,060	0.9%	91.2%
_GUARD_IS_NONE_POP	168,060	0.9%	92.1%
_GUARD_TYPE_VERSION	168,060	0.9%	93.0%
_LOAD_ATTR_METHOD_NO_DICT	168,060	0.9%	93.8%
_LOAD_FAST_0	168,060	0.9%	94.7%
_LOAD_FAST_1	168,060	0.9%	95.6%
_LOAD_FAST_3	168,060	0.9%	96.5%
_LOAD_SMALL_INT_1	168,060	0.9%	97.4%
_STORE_FAST_3	168,060	0.9%	98.3%
_JUMP_TO_TOP	166,300	0.9%	99.1%
_STORE_FAST_1	166,300	0.9%	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

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	20

Stats gathered on: 2025-02-07

Files

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Pystats results

Execution counts

Pair counts

Predecessor/Successor Pairs

BINARY_SLICE

CACHE

BINARY_SUBSCR

BINARY_OP_INPLACE_ADD_UNICODE

CALL_FUNCTION_EX

CHECK_EXC_MATCH

END_FOR

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

UNARY_NEGATIVE

BINARY_OP

BUILD_LIST

BUILD_MAP

BUILD_TUPLE

CALL

CALL_INTRINSIC_1

COMPARE_OP

CONTAINS_OP

COPY

COPY_FREE_VARS

DICT_MERGE

EXTENDED_ARG

FOR_ITER

IMPORT_FROM

IMPORT_NAME

IS_OP

JUMP_FORWARD

LIST_EXTEND

LOAD_ATTR

LOAD_DEREF

LOAD_FAST

LOAD_FAST_LOAD_FAST

LOAD_GLOBAL

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_DEREF

STORE_FAST

STORE_FAST_STORE_FAST

SWAP

UNPACK_SEQUENCE

YIELD_VALUE

BINARY_OP_ADD_INT

BINARY_OP_ADD_UNICODE

BINARY_OP_EXTEND

BINARY_OP_MULTIPLY_INT

BINARY_OP_SUBTRACT_FLOAT

BINARY_OP_SUBTRACT_INT

BINARY_SUBSCR_DICT

BINARY_SUBSCR_GETITEM

BINARY_SUBSCR_LIST_INT

BINARY_SUBSCR_TUPLE_INT

CALL_ALLOC_AND_ENTER_INIT

CALL_BUILTIN_CLASS

CALL_BUILTIN_FAST