Pystats results

benchmark: pickle_pure_python
fork: python
ref: 510fefdc625dd2ed2b6b3975314a59e291b94ae8
commit hash: 510fefd
commit date: 2025-01-30T19:34:09+00:00

Execution counts

Execution counts for Tier 1 instructions.

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

Name	Count	Self	Cumulative	Miss ratio
LOAD_FAST	246,722,280	24.2%	24.2%
LOAD_ATTR_INSTANCE_VALUE	82,579,440	8.1%	32.3%
POP_JUMP_IF_FALSE	62,515,260	6.1%	38.4%
STORE_FAST	47,927,880	4.7%	43.1%
RETURN_VALUE	41,606,820	4.1%	47.2%
RESUME_CHECK	41,549,220	4.1%	51.2%
LOAD_GLOBAL_BUILTIN	39,916,860	3.9%	55.2%
LOAD_CONST_IMMORTAL	36,269,400	3.6%	58.7%
POP_TOP	30,624,300	3.0%	61.7%
LOAD_GLOBAL_MODULE	25,632,480	2.5%	64.2%
LOAD_ATTR_METHOD_WITH_VALUES	21,043,320	2.1%	66.3%
COMPARE_OP_INT	20,984,880	2.1%	68.3%	0.8%
CALL_PY_EXACT_ARGS	19,621,680	1.9%	70.3%	4.9%
TO_BOOL_BOOL	17,875,260	1.8%	72.0%
POP_JUMP_IF_NONE	16,339,200	1.6%	73.6%
LOAD_ATTR_METHOD_LAZY_DICT	16,012,800	1.6%	75.2%
TO_BOOL_ALWAYS_TRUE	15,898,680	1.6%	76.7%	0.4%
LOAD_SMALL_INT	14,707,260	1.4%	78.2%
LOAD_ATTR_METHOD_NO_DICT	14,073,720	1.4%	79.6%
CALL_BUILTIN_O	13,670,400	1.3%	80.9%
PUSH_NULL	10,963,740	1.1%	82.0%
LOAD_CONST_MORTAL	10,905,720	1.1%	83.0%
LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES	10,617,600	1.0%	84.1%
CALL_BUILTIN_FAST	10,483,200	1.0%	85.1%
CALL_METHOD_DESCRIPTOR_FAST	10,387,200	1.0%	86.1%
POP_JUMP_IF_TRUE	10,118,460	1.0%	87.1%
CALL_BOUND_METHOD_EXACT_ARGS	10,003,200	1.0%	88.1%
CALL_METHOD_DESCRIPTOR_O	9,945,660	1.0%	89.1%
BINARY_OP	9,352,920	0.9%	90.0%
IS_OP	9,196,860	0.9%	90.9%
LOAD_FAST_LOAD_FAST	8,909,100	0.9%	91.8%
CALL_LEN	7,680,000	0.8%	92.5%
EXTENDED_ARG	7,104,000	0.7%	93.2%
CALL_METHOD_DESCRIPTOR_NOARGS	6,105,660	0.6%	93.8%
CALL_PY_GENERAL	6,009,660	0.6%	94.4%
CALL_BOUND_METHOD_GENERAL	5,740,800	0.6%	95.0%
CALL_TYPE_1	4,588,800	0.4%	95.4%
JUMP_FORWARD	4,243,260	0.4%	95.8%
CONTAINS_OP_DICT	3,840,000	0.4%	96.2%
BUILD_TUPLE	3,801,780	0.4%	96.6%
STORE_SUBSCR_DICT	3,782,400	0.4%	97.0%
TO_BOOL_INT	3,782,400	0.4%	97.3%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	3,571,200	0.3%	97.7%
JUMP_BACKWARD_NO_JIT	3,325,500	0.3%	98.0%
NOP	3,321,660	0.3%	98.3%
STORE_FAST_STORE_FAST	3,168,060	0.3%	98.6%
UNPACK_SEQUENCE_TWO_TUPLE	3,168,060	0.3%	98.9%
FOR_ITER_TUPLE	2,615,040	0.3%	99.2%
BINARY_SUBSCR_TUPLE_INT	1,305,660	0.1%	99.3%
COMPARE_OP	1,028,960	0.1%	99.4%
FOR_ITER	998,740	0.1%	99.5%
STORE_ATTR_INSTANCE_VALUE	864,000	0.1%	99.6%
COPY	614,400	0.1%	99.7%
SWAP	556,800	0.1%	99.7%
LOAD_ATTR	403,960	0.0%	99.8%
CALL_NON_PY_GENERAL	365,100	0.0%	99.8%
POP_ITER	327,480	0.0%	99.8%
GET_ITER	327,420	0.0%	99.9%
LOAD_ATTR_MODULE	192,300	0.0%	99.9%
CALL_BUILTIN_CLASS	153,660	0.0%	99.9%
POP_JUMP_IF_NOT_NONE	115,260	0.0%	99.9%
CALL_ISINSTANCE	115,200	0.0%	99.9%
CALL_KW_NON_PY	96,000	0.0%	99.9%
INTERPRETER_EXIT	76,800	0.0%	99.9%
BUILD_MAP	76,800	0.0%	99.9%
BINARY_OP_ADD_INT	76,800	0.0%	100.0%
TO_BOOL_NONE	58,680	0.0%	100.0%	97.5%
EXIT_INIT_CHECK	57,600	0.0%	100.0%
CALL_ALLOC_AND_ENTER_INIT	57,600	0.0%	100.0%
CALL_KW_PY	57,600	0.0%	100.0%
TO_BOOL	38,540	0.0%	100.0%
BINARY_SUBSCR_LIST_INT	38,400	0.0%	100.0%
COMPARE_OP_STR	38,400	0.0%	100.0%
FOR_ITER_LIST	38,400	0.0%	100.0%
CALL_FUNCTION_EX	19,320	0.0%	100.0%
CONTAINS_OP	19,240	0.0%	100.0%
BINARY_SUBSCR_DICT	19,200	0.0%	100.0%
FOR_ITER_RANGE	1,020	0.0%	100.0%
CALL	260	0.0%	100.0%
LOAD_GLOBAL	180	0.0%	100.0%
LOAD_DEREF	120	0.0%	100.0%
MAKE_FUNCTION	60	0.0%	100.0%
BUILD_LIST	60	0.0%	100.0%
CALL_INTRINSIC_1	60	0.0%	100.0%
COPY_FREE_VARS	60	0.0%	100.0%
LIST_EXTEND	60	0.0%	100.0%
MAKE_CELL	60	0.0%	100.0%
SET_FUNCTION_ATTRIBUTE	60	0.0%	100.0%
STORE_DEREF	60	0.0%	100.0%
BINARY_OP_SUBTRACT_FLOAT	60	0.0%	100.0%
BINARY_SUBSCR	20	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
LOAD_FAST LOAD_ATTR_INSTANCE_VALUE	82,579,340	8.1%	8.1%
POP_JUMP_IF_FALSE LOAD_FAST	41,510,460	4.1%	12.2%
STORE_FAST LOAD_FAST	39,249,060	3.8%	16.0%
RESUME_CHECK LOAD_FAST	35,462,580	3.5%	19.5%
LOAD_GLOBAL_BUILTIN LOAD_FAST	30,624,060	3.0%	22.5%
RETURN_VALUE POP_TOP	30,412,980	3.0%	25.5%
LOAD_CONST_IMMORTAL RETURN_VALUE	26,323,380	2.6%	28.0%
CALL_PY_EXACT_ARGS RESUME_CHECK	19,603,380	1.9%	30.0%
LOAD_FAST POP_JUMP_IF_NONE	16,339,200	1.6%	31.6%
LOAD_ATTR_INSTANCE_VALUE TO_BOOL_ALWAYS_TRUE	15,897,600	1.6%	33.1%
TO_BOOL_ALWAYS_TRUE POP_JUMP_IF_FALSE	15,897,600	1.6%	34.7%
LOAD_FAST LOAD_ATTR_METHOD_WITH_VALUES	15,033,680	1.5%	36.2%
LOAD_ATTR_METHOD_WITH_VALUES LOAD_FAST	14,976,060	1.5%	37.6%
COMPARE_OP_INT POP_JUMP_IF_FALSE	14,876,160	1.5%	39.1%
TO_BOOL_BOOL POP_JUMP_IF_FALSE	14,016,000	1.4%	40.5%
LOAD_FAST CALL_BUILTIN_O	13,593,600	1.3%	41.8%
LOAD_FAST CALL_PY_EXACT_ARGS	13,574,400	1.3%	43.1%
LOAD_SMALL_INT COMPARE_OP_INT	13,104,960	1.3%	44.4%
LOAD_FAST TO_BOOL_BOOL	11,731,240	1.1%	45.5%
POP_JUMP_IF_NONE LOAD_FAST	11,692,800	1.1%	46.7%
LOAD_FAST PUSH_NULL	10,752,180	1.1%	47.7%
POP_TOP LOAD_CONST_IMMORTAL	10,483,380	1.0%	48.8%
LOAD_FAST LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES	10,483,200	1.0%	49.8%
CALL_METHOD_DESCRIPTOR_FAST STORE_FAST	10,387,200	1.0%	50.8%
CALL_BOUND_METHOD_EXACT_ARGS RESUME_CHECK	10,003,200	1.0%	51.8%
LOAD_ATTR_INSTANCE_VALUE LOAD_ATTR_METHOD_LAZY_DICT	10,003,200	1.0%	52.8%
LOAD_FAST CALL_METHOD_DESCRIPTOR_O	9,945,600	1.0%	53.8%
CALL_METHOD_DESCRIPTOR_O RETURN_VALUE	9,945,600	1.0%	54.7%
LOAD_ATTR_METHOD_LAZY_DICT LOAD_FAST	9,945,600	1.0%	55.7%
IS_OP POP_JUMP_IF_FALSE	9,196,800	0.9%	56.6%
STORE_FAST LOAD_GLOBAL_BUILTIN	8,409,600	0.8%	57.4%
POP_JUMP_IF_FALSE LOAD_GLOBAL_BUILTIN	8,390,400	0.8%	58.3%
LOAD_ATTR_INSTANCE_VALUE LOAD_SMALL_INT	7,622,400	0.7%	59.0%
CALL_LEN STORE_FAST	7,488,000	0.7%	59.7%
LOAD_FAST LOAD_SMALL_INT	6,700,860	0.7%	60.4%
POP_TOP LOAD_FAST	6,659,580	0.7%	61.0%
LOAD_ATTR_INSTANCE_VALUE STORE_FAST	6,182,400	0.6%	61.6%
LOAD_CONST_MORTAL LOAD_FAST	6,182,400	0.6%	62.3%
POP_JUMP_IF_TRUE LOAD_FAST	6,105,600	0.6%	62.9%
LOAD_FAST LOAD_CONST_IMMORTAL	6,086,520	0.6%	63.5%
LOAD_FAST LOAD_ATTR_METHOD_LAZY_DICT	6,009,600	0.6%	64.0%
CALL_PY_GENERAL RESUME_CHECK	6,009,600	0.6%	64.6%
LOAD_ATTR_METHOD_LAZY_DICT CALL_METHOD_DESCRIPTOR_NOARGS	6,009,600	0.6%	65.2%
COMPARE_OP_INT POP_JUMP_IF_TRUE	5,990,400	0.6%	65.8%
CALL_METHOD_DESCRIPTOR_NOARGS LOAD_FAST	5,971,200	0.6%	66.4%
LOAD_ATTR_INSTANCE_VALUE LOAD_ATTR_METHOD_WITH_VALUES	5,952,000	0.6%	67.0%
LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES COMPARE_OP_INT	5,952,000	0.6%	67.6%
RETURN_VALUE STORE_FAST	5,875,380	0.6%	68.1%
LOAD_ATTR_INSTANCE_VALUE TO_BOOL_BOOL	5,875,200	0.6%	68.7%
PUSH_NULL LOAD_FAST	5,836,920	0.6%	69.3%
LOAD_ATTR_INSTANCE_VALUE LOAD_ATTR_METHOD_NO_DICT	5,836,880	0.6%	69.9%
POP_JUMP_IF_FALSE LOAD_CONST_IMMORTAL	5,836,800	0.6%	70.4%
CALL_BUILTIN_O CALL_METHOD_DESCRIPTOR_FAST	5,836,800	0.6%	71.0%
LOAD_ATTR_METHOD_NO_DICT LOAD_GLOBAL_BUILTIN	5,836,800	0.6%	71.6%
LOAD_ATTR_METHOD_WITH_VALUES CALL_PY_GENERAL	5,836,800	0.6%	72.1%
RESUME_CHECK LOAD_CONST_IMMORTAL	5,836,800	0.6%	72.7%
LOAD_GLOBAL_MODULE LOAD_GLOBAL_MODULE	5,740,880	0.6%	73.3%
LOAD_FAST CALL_BOUND_METHOD_GENERAL	5,740,800	0.6%	73.8%
CALL_BOUND_METHOD_GENERAL RESUME_CHECK	5,740,800	0.6%	74.4%
CALL_BUILTIN_FAST BINARY_OP	5,740,800	0.6%	75.0%
LOAD_GLOBAL_MODULE LOAD_CONST_MORTAL	5,740,800	0.6%	75.5%
LOAD_FAST CALL_BUILTIN_FAST	5,625,600	0.6%	76.1%
POP_JUMP_IF_FALSE LOAD_GLOBAL_MODULE	5,184,000	0.5%	76.6%
LOAD_ATTR_INSTANCE_VALUE LOAD_FAST	5,145,600	0.5%	77.1%
RETURN_VALUE CALL_BOUND_METHOD_EXACT_ARGS	5,088,000	0.5%	77.6%
LOAD_FAST LOAD_GLOBAL_BUILTIN	4,665,600	0.5%	78.0%
LOAD_FAST LOAD_GLOBAL_MODULE	4,665,600	0.5%	78.5%
CALL_BUILTIN_FAST STORE_FAST	4,646,400	0.5%	79.0%
LOAD_FAST_LOAD_FAST CALL_PY_EXACT_ARGS	4,608,080	0.5%	79.4%
LOAD_ATTR_INSTANCE_VALUE LOAD_GLOBAL_MODULE	4,608,000	0.5%	79.9%
PUSH_NULL LOAD_FAST_LOAD_FAST	4,588,860	0.4%	80.3%
LOAD_GLOBAL_MODULE IS_OP	4,588,800	0.4%	80.8%
LOAD_GLOBAL_MODULE CALL_BUILTIN_FAST	4,588,800	0.4%	81.2%
POP_JUMP_IF_NONE LOAD_GLOBAL_BUILTIN	4,569,600	0.4%	81.7%
LOAD_ATTR_METHOD_NO_DICT LOAD_FAST	4,569,600	0.4%	82.1%
LOAD_CONST_IMMORTAL LOAD_GLOBAL_MODULE	4,569,600	0.4%	82.6%
LOAD_FAST CALL_METHOD_DESCRIPTOR_FAST	4,531,200	0.4%	83.0%
LOAD_FAST CALL_TYPE_1	4,531,200	0.4%	83.4%
CALL_TYPE_1 STORE_FAST	4,531,200	0.4%	83.9%
LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES LOAD_ATTR_METHOD_NO_DICT	4,531,200	0.4%	84.3%
LOAD_GLOBAL_BUILTIN IS_OP	4,531,200	0.4%	84.8%
LOAD_GLOBAL_BUILTIN STORE_FAST	4,531,200	0.4%	85.2%
BINARY_OP CALL_BOUND_METHOD_EXACT_ARGS	4,377,600	0.4%	85.6%
JUMP_FORWARD LOAD_FAST	4,166,460	0.4%	86.1%
LOAD_FAST CALL_LEN	3,897,600	0.4%	86.4%
POP_JUMP_IF_TRUE LOAD_GLOBAL_BUILTIN	3,878,400	0.4%	86.8%
CALL_BUILTIN_O LOAD_FAST	3,840,000	0.4%	87.2%
LOAD_FAST_LOAD_FAST BUILD_TUPLE	3,801,660	0.4%	87.6%
LOAD_ATTR_INSTANCE_VALUE CONTAINS_OP_DICT	3,801,600	0.4%	87.9%
POP_TOP LOAD_FAST_LOAD_FAST	3,782,400	0.4%	88.3%
BUILD_TUPLE LOAD_FAST	3,782,400	0.4%	88.7%
CALL_BUILTIN_O STORE_SUBSCR_DICT	3,782,400	0.4%	89.0%
CONTAINS_OP_DICT POP_JUMP_IF_TRUE	3,782,400	0.4%	89.4%
LOAD_ATTR_INSTANCE_VALUE CALL_LEN	3,782,400	0.4%	89.8%
LOAD_ATTR_INSTANCE_VALUE LOAD_GLOBAL_BUILTIN	3,782,400	0.4%	90.2%
LOAD_ATTR_INSTANCE_VALUE TO_BOOL_INT	3,782,400	0.4%	90.5%
LOAD_GLOBAL_MODULE RETURN_VALUE	3,782,400	0.4%	90.9%
STORE_SUBSCR_DICT LOAD_CONST_IMMORTAL	3,782,400	0.4%	91.3%
TO_BOOL_INT POP_JUMP_IF_FALSE	3,782,400	0.4%	91.6%
LOAD_FAST LOAD_ATTR_METHOD_NO_DICT	3,686,400	0.4%	92.0%

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	76,860	100.0%

BINARY_SUBSCR

Successors and predecessors for BINARY_SUBSCR

Predecessors	Count	Percentage
LOAD_SMALL_INT	20	100.0%

Successors	Count	Percentage
BINARY_SUBSCR_TUPLE_INT	20	100.0%

CALL_FUNCTION_EX

Successors and predecessors for CALL_FUNCTION_EX

Predecessors	Count	Percentage
BUILD_MAP	19,200	99.4%
PUSH_NULL	120	0.6%

Successors	Count	Percentage
POP_TOP	19,200	99.7%
RESUME_CHECK	60	0.3%

EXIT_INIT_CHECK

Successors and predecessors for EXIT_INIT_CHECK

Predecessors	Count	Percentage
RETURN_VALUE	57,600	100.0%

Successors	Count	Percentage
RETURN_VALUE	57,600	100.0%

GET_ITER

Successors and predecessors for GET_ITER

Predecessors	Count	Percentage
CALL_NON_PY_GENERAL	134,400	41.0%
LOAD_FAST	97,020	29.6%
CALL_BUILTIN_CLASS	96,000	29.3%

Successors	Count	Percentage
FOR_ITER	230,400	70.4%
FOR_ITER_TUPLE	77,760	23.7%
FOR_ITER_LIST	19,200	5.9%
FOR_ITER_RANGE	60	0.0%

INTERPRETER_EXIT

Successors and predecessors for INTERPRETER_EXIT

Predecessors	Count	Percentage
RETURN_VALUE	76,800	100.0%

MAKE_FUNCTION

Successors and predecessors for MAKE_FUNCTION

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	60	100.0%

Successors	Count	Percentage
SET_FUNCTION_ATTRIBUTE	60	100.0%

NOP

Successors and predecessors for NOP

Predecessors	Count	Percentage
POP_TOP	2,553,600	76.9%
STORE_FAST_STORE_FAST	633,600	19.1%
STORE_ATTR_INSTANCE_VALUE	57,600	1.7%
POP_JUMP_IF_FALSE	38,400	1.2%
POP_JUMP_IF_NOT_NONE	19,200	0.6%

Successors	Count	Percentage
LOAD_FAST	3,264,060	98.3%
LOAD_GLOBAL_BUILTIN	38,400	1.2%
LOAD_GLOBAL_MODULE	19,200	0.6%

POP_ITER

Successors and predecessors for POP_ITER

Predecessors	Count	Percentage
FOR_ITER	230,460	70.4%
FOR_ITER_TUPLE	77,760	23.7%
FOR_ITER_LIST	19,200	5.9%
FOR_ITER_RANGE	60	0.0%

Successors	Count	Percentage
LOAD_FAST	153,660	46.9%
LOAD_CONST_IMMORTAL	134,400	41.0%
LOAD_GLOBAL_BUILTIN	38,400	11.7%
JUMP_BACKWARD_NO_JIT	960	0.3%
LOAD_GLOBAL_MODULE	40	0.0%

POP_TOP

Successors and predecessors for POP_TOP

Predecessors	Count	Percentage
RETURN_VALUE	30,412,980	99.3%
CALL_BUILTIN_O	115,200	0.4%
POP_JUMP_IF_FALSE	57,600	0.2%
CALL_FUNCTION_EX	19,200	0.1%
CALL_KW_NON_PY	19,200	0.1%

Successors	Count	Percentage
LOAD_CONST_IMMORTAL	10,483,380	34.2%
LOAD_FAST	6,659,580	21.7%
LOAD_FAST_LOAD_FAST	3,782,400	12.4%
EXTENDED_ARG	3,552,000	11.6%
JUMP_BACKWARD_NO_JIT	3,247,740	10.6%

PUSH_NULL

Successors and predecessors for PUSH_NULL

Predecessors	Count	Percentage
LOAD_FAST	10,752,180	98.1%
LOAD_ATTR_MODULE	173,040	1.6%
LOAD_ATTR	38,400	0.4%
CALL_INTRINSIC_1	60	0.0%
LOAD_DEREF	60	0.0%

Successors	Count	Percentage
LOAD_FAST	5,836,920	53.2%
LOAD_FAST_LOAD_FAST	4,588,860	41.9%
LOAD_GLOBAL_MODULE	364,800	3.3%
CALL_NON_PY_GENERAL	172,960	1.6%
CALL_FUNCTION_EX	120	0.0%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE

Predecessors	Count	Percentage
LOAD_CONST_IMMORTAL	26,323,380	63.3%
CALL_METHOD_DESCRIPTOR_O	9,945,600	23.9%
LOAD_GLOBAL_MODULE	3,782,400	9.1%
BINARY_OP	1,305,600	3.1%
LOAD_FAST	115,260	0.3%

Successors	Count	Percentage
POP_TOP	30,412,980	73.1%
STORE_FAST	5,875,380	14.1%
CALL_BOUND_METHOD_EXACT_ARGS	5,088,000	12.2%
INTERPRETER_EXIT	76,800	0.2%
LOAD_FAST	76,800	0.2%

TO_BOOL

Successors and predecessors for TO_BOOL

Predecessors	Count	Percentage
LOAD_FAST	38,420	99.7%
TO_BOOL	60	0.2%
LOAD_ATTR_INSTANCE_VALUE	60	0.2%

Successors	Count	Percentage
POP_JUMP_IF_TRUE	38,400	99.6%
TO_BOOL	60	0.2%
POP_JUMP_IF_FALSE	60	0.2%
TO_BOOL_BOOL	20	0.1%

BINARY_OP

Successors and predecessors for BINARY_OP

Predecessors	Count	Percentage
CALL_BUILTIN_FAST	5,740,800	61.4%
LOAD_FAST	3,590,420	38.4%
LOAD_SMALL_INT	19,200	0.2%
BINARY_OP	2,500	0.0%

Successors	Count	Percentage
CALL_BOUND_METHOD_EXACT_ARGS	4,377,600	46.8%
LOAD_FAST	3,590,400	38.4%
RETURN_VALUE	1,305,600	14.0%
CALL_BUILTIN_O	57,600	0.6%
LOAD_SMALL_INT	19,200	0.2%

BUILD_LIST

Successors and predecessors for BUILD_LIST

Predecessors	Count	Percentage
LOAD_FAST	60	100.0%

Successors	Count	Percentage
LOAD_DEREF	60	100.0%

BUILD_MAP

Successors and predecessors for BUILD_MAP

Predecessors	Count	Percentage
STORE_ATTR_INSTANCE_VALUE	57,600	75.0%
LOAD_FAST	19,200	25.0%

Successors	Count	Percentage
LOAD_FAST	57,600	75.0%
CALL_FUNCTION_EX	19,200	25.0%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	3,801,660	100.0%
LOAD_FAST	60	0.0%
LOAD_GLOBAL_MODULE	60	0.0%

Successors	Count	Percentage
LOAD_FAST	3,782,400	99.5%
LOAD_GLOBAL_MODULE	19,200	0.5%
STORE_FAST	60	0.0%
LOAD_CONST_MORTAL	60	0.0%
CALL_METHOD_DESCRIPTOR_O	40	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	60	100.0%

Successors	Count	Percentage
PUSH_NULL	60	100.0%

COMPARE_OP

Successors and predecessors for COMPARE_OP

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	494,400	48.0%
COPY	480,000	46.6%
LOAD_SMALL_INT	47,040	4.6%
COMPARE_OP	4,400	0.4%
COMPARE_OP_INT	3,120	0.3%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	1,021,440	99.3%
COMPARE_OP	4,400	0.4%
COMPARE_OP_INT	3,120	0.3%

CONTAINS_OP

Successors and predecessors for CONTAINS_OP

Predecessors	Count	Percentage
LOAD_FAST	19,200	99.8%
CONTAINS_OP	40	0.2%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	19,200	99.8%
CONTAINS_OP	40	0.2%

COPY

Successors and predecessors for COPY

Predecessors	Count	Percentage
SWAP	556,800	90.6%
LOAD_FAST	57,600	9.4%

Successors	Count	Percentage
COMPARE_OP	480,000	78.1%
COMPARE_OP_INT	76,800	12.5%
TO_BOOL_BOOL	57,600	9.4%

COPY_FREE_VARS

Successors and predecessors for COPY_FREE_VARS

Predecessors	Count	Percentage
CALL_PY_EXACT_ARGS	60	100.0%

Successors	Count	Percentage
RESUME_CHECK	60	100.0%

EXTENDED_ARG

Successors and predecessors for EXTENDED_ARG

Predecessors	Count	Percentage
POP_TOP	3,552,000	50.0%
TO_BOOL_BOOL	3,552,000	50.0%

Successors	Count	Percentage
JUMP_FORWARD	3,552,000	50.0%
POP_JUMP_IF_FALSE	3,552,000	50.0%

FOR_ITER

Successors and predecessors for FOR_ITER

Predecessors	Count	Percentage
JUMP_BACKWARD_NO_JIT	768,060	76.9%
GET_ITER	230,400	23.1%
FOR_ITER	280	0.0%

Successors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	633,600	63.4%
POP_ITER	230,460	23.1%
STORE_FAST	134,400	13.5%
FOR_ITER	280	0.0%

IS_OP

Successors and predecessors for IS_OP

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	4,588,800	49.9%
LOAD_GLOBAL_BUILTIN	4,531,200	49.3%
CALL_TYPE_1	57,600	0.6%
LOAD_FAST	19,200	0.2%
LOAD_CONST_IMMORTAL	60	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	9,196,800	100.0%
STORE_FAST	60	0.0%

JUMP_FORWARD

Successors and predecessors for JUMP_FORWARD

Predecessors	Count	Percentage
EXTENDED_ARG	3,552,000	83.7%
POP_JUMP_IF_FALSE	460,800	10.9%
POP_TOP	211,200	5.0%
STORE_FAST	19,260	0.5%

Successors	Count	Percentage
LOAD_FAST	4,166,460	98.2%
LOAD_FAST_LOAD_FAST	57,600	1.4%
LOAD_GLOBAL_BUILTIN	19,200	0.5%

LIST_EXTEND

Successors and predecessors for LIST_EXTEND

Predecessors	Count	Percentage
LOAD_DEREF	60	100.0%

Successors	Count	Percentage
CALL_INTRINSIC_1	60	100.0%

LOAD_ATTR

Successors and predecessors for LOAD_ATTR

Predecessors	Count	Percentage
LOAD_FAST	269,020	66.6%
LOAD_ATTR_INSTANCE_VALUE	115,240	28.5%
LOAD_GLOBAL_MODULE	19,280	4.8%
LOAD_ATTR	400	0.1%
LOAD_FAST_LOAD_FAST	20	0.0%

Successors	Count	Percentage
STORE_FAST	192,060	47.5%
LOAD_FAST	172,800	42.8%
PUSH_NULL	38,400	9.5%
LOAD_ATTR	400	0.1%
LOAD_ATTR_MODULE	100	0.0%

LOAD_DEREF

Successors and predecessors for LOAD_DEREF

Predecessors	Count	Percentage
BUILD_LIST	60	50.0%
RESUME_CHECK	60	50.0%

Successors	Count	Percentage
PUSH_NULL	60	50.0%
LIST_EXTEND	60	50.0%

LOAD_FAST

Successors and predecessors for LOAD_FAST

Predecessors	Count	Percentage
POP_JUMP_IF_FALSE	41,510,460	16.8%
STORE_FAST	39,249,060	15.9%
RESUME_CHECK	35,462,580	14.4%
LOAD_GLOBAL_BUILTIN	30,624,060	12.4%
LOAD_ATTR_METHOD_WITH_VALUES	14,976,060	6.1%

Successors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	82,579,340	33.5%
POP_JUMP_IF_NONE	16,339,200	6.6%
LOAD_ATTR_METHOD_WITH_VALUES	15,033,680	6.1%
CALL_BUILTIN_O	13,593,600	5.5%
CALL_PY_EXACT_ARGS	13,574,400	5.5%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST

Predecessors	Count	Percentage
PUSH_NULL	4,588,860	51.5%
POP_TOP	3,782,400	42.5%
LOAD_GLOBAL_MODULE	230,460	2.6%
LOAD_GLOBAL_BUILTIN	76,800	0.9%
LOAD_ATTR_METHOD_WITH_VALUES	57,660	0.6%

Successors	Count	Percentage
CALL_PY_EXACT_ARGS	4,608,080	51.7%
BUILD_TUPLE	3,801,660	42.7%
LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES	134,400	1.5%
STORE_ATTR_INSTANCE_VALUE	115,200	1.3%
LOAD_FAST	57,600	0.6%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL

Predecessors	Count	Percentage
STORE_FAST	60	33.3%
RESUME_CHECK	60	33.3%
LOAD_GLOBAL_MODULE	40	22.2%
POP_ITER	20	11.1%

Successors	Count	Percentage
LOAD_GLOBAL_MODULE	160	88.9%
LOAD_GLOBAL_BUILTIN	20	11.1%

LOAD_SMALL_INT

Successors and predecessors for LOAD_SMALL_INT

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	7,622,400	51.8%
LOAD_FAST	6,700,860	45.6%
POP_JUMP_IF_FALSE	76,800	0.5%
CALL_LEN	76,800	0.5%
CALL_METHOD_DESCRIPTOR_NOARGS	76,800	0.5%

Successors	Count	Percentage
COMPARE_OP_INT	13,104,960	89.1%
BINARY_SUBSCR_TUPLE_INT	1,305,640	8.9%
LOAD_FAST	134,400	0.9%
STORE_FAST	57,600	0.4%
COMPARE_OP	47,040	0.3%

MAKE_CELL

Successors and predecessors for MAKE_CELL

Predecessors	Count	Percentage
CALL_PY_GENERAL	60	100.0%

Successors	Count	Percentage
RESUME_CHECK	60	100.0%

POP_JUMP_IF_FALSE

Successors and predecessors for POP_JUMP_IF_FALSE

Predecessors	Count	Percentage
TO_BOOL_ALWAYS_TRUE	15,897,600	25.4%
COMPARE_OP_INT	14,876,160	23.8%
TO_BOOL_BOOL	14,016,000	22.4%
IS_OP	9,196,800	14.7%
TO_BOOL_INT	3,782,400	6.1%

Successors	Count	Percentage
LOAD_FAST	41,510,460	66.4%
LOAD_GLOBAL_BUILTIN	8,390,400	13.4%
LOAD_CONST_IMMORTAL	5,836,800	9.3%
LOAD_GLOBAL_MODULE	5,184,000	8.3%
LOAD_CONST_MORTAL	960,000	1.5%

POP_JUMP_IF_NONE

Successors and predecessors for POP_JUMP_IF_NONE

Predecessors	Count	Percentage
LOAD_FAST	16,339,200	100.0%

Successors	Count	Percentage
LOAD_FAST	11,692,800	71.6%
LOAD_GLOBAL_BUILTIN	4,569,600	28.0%
LOAD_FAST_LOAD_FAST	57,600	0.4%
LOAD_CONST_IMMORTAL	19,200	0.1%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE

Predecessors	Count	Percentage
LOAD_FAST	115,260	100.0%

Successors	Count	Percentage
LOAD_FAST	57,600	50.0%
NOP	19,200	16.7%
LOAD_GLOBAL_BUILTIN	19,200	16.7%
LOAD_GLOBAL_MODULE	19,200	16.7%
LOAD_CONST_MORTAL	60	0.1%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE

Predecessors	Count	Percentage
COMPARE_OP_INT	5,990,400	59.2%
CONTAINS_OP_DICT	3,782,400	37.4%
TO_BOOL_BOOL	307,260	3.0%
TO_BOOL	38,400	0.4%

Successors	Count	Percentage
LOAD_FAST	6,105,600	60.3%
LOAD_GLOBAL_BUILTIN	3,878,400	38.3%
LOAD_GLOBAL_MODULE	76,800	0.8%
LOAD_SMALL_INT	57,600	0.6%
NOP	60	0.0%

SET_FUNCTION_ATTRIBUTE

Successors and predecessors for SET_FUNCTION_ATTRIBUTE

Predecessors	Count	Percentage
MAKE_FUNCTION	60	100.0%

Successors	Count	Percentage
STORE_FAST	60	100.0%

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
CALL_METHOD_DESCRIPTOR_FAST	10,387,200	21.7%
CALL_LEN	7,488,000	15.6%
LOAD_ATTR_INSTANCE_VALUE	6,182,400	12.9%
RETURN_VALUE	5,875,380	12.3%
CALL_BUILTIN_FAST	4,646,400	9.7%

Successors	Count	Percentage
LOAD_FAST	39,249,060	81.9%
LOAD_GLOBAL_BUILTIN	8,409,600	17.5%
LOAD_GLOBAL_MODULE	115,320	0.2%
JUMP_BACKWARD_NO_JIT	76,800	0.2%
JUMP_FORWARD	19,260	0.0%

STORE_FAST_STORE_FAST

Successors and predecessors for STORE_FAST_STORE_FAST

Predecessors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	3,168,060	100.0%

Successors	Count	Percentage
LOAD_FAST	2,534,460	80.0%
NOP	633,600	20.0%

SWAP

Successors and predecessors for SWAP

Predecessors	Count	Percentage
LOAD_FAST	556,800	100.0%

Successors	Count	Percentage
COPY	556,800	100.0%

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%

BINARY_OP_ADD_INT

Successors and predecessors for BINARY_OP_ADD_INT

Predecessors	Count	Percentage
LOAD_FAST_LOAD_FAST	57,600	75.0%
LOAD_SMALL_INT	19,200	25.0%

Successors	Count	Percentage
STORE_FAST	76,800	100.0%

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
RETURN_VALUE	60	100.0%

BINARY_SUBSCR_DICT

Successors and predecessors for BINARY_SUBSCR_DICT

Predecessors	Count	Percentage
LOAD_FAST	19,200	100.0%

Successors	Count	Percentage
STORE_FAST	19,200	100.0%

BINARY_SUBSCR_LIST_INT

Successors and predecessors for BINARY_SUBSCR_LIST_INT

Predecessors	Count	Percentage
LOAD_FAST	38,400	100.0%

Successors	Count	Percentage
CALL_BOUND_METHOD_EXACT_ARGS	38,400	100.0%

BINARY_SUBSCR_TUPLE_INT

Successors and predecessors for BINARY_SUBSCR_TUPLE_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	1,305,640	100.0%
BINARY_SUBSCR	20	0.0%

Successors	Count	Percentage
CALL_PY_EXACT_ARGS	1,305,600	100.0%
STORE_FAST	60	0.0%

CALL_ALLOC_AND_ENTER_INIT

Successors and predecessors for CALL_ALLOC_AND_ENTER_INIT

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	57,600	100.0%

Successors	Count	Percentage
RESUME_CHECK	57,600	100.0%

CALL_BOUND_METHOD_EXACT_ARGS

Successors and predecessors for CALL_BOUND_METHOD_EXACT_ARGS

Predecessors	Count	Percentage
RETURN_VALUE	5,088,000	50.9%
BINARY_OP	4,377,600	43.8%
LOAD_GLOBAL_MODULE	499,200	5.0%
BINARY_SUBSCR_LIST_INT	38,400	0.4%

Successors	Count	Percentage
RESUME_CHECK	10,003,200	100.0%

CALL_BOUND_METHOD_GENERAL

Successors and predecessors for CALL_BOUND_METHOD_GENERAL

Predecessors	Count	Percentage
LOAD_FAST	5,740,800	100.0%

Successors	Count	Percentage
RESUME_CHECK	5,740,800	100.0%

CALL_BUILTIN_CLASS

Successors and predecessors for CALL_BUILTIN_CLASS

Predecessors	Count	Percentage
LOAD_FAST	96,040	62.5%
LOAD_FAST_LOAD_FAST	57,600	37.5%
CALL	20	0.0%

Successors	Count	Percentage
GET_ITER	96,000	62.5%
LOAD_FAST	57,600	37.5%
STORE_FAST	60	0.0%

CALL_BUILTIN_FAST

Successors and predecessors for CALL_BUILTIN_FAST

Predecessors	Count	Percentage
LOAD_FAST	5,625,600	53.7%
LOAD_GLOBAL_MODULE	4,588,800	43.8%
LOAD_CONST_IMMORTAL	115,200	1.1%
CALL_LEN	57,600	0.5%
LOAD_ATTR_INSTANCE_VALUE	57,600	0.5%

Successors	Count	Percentage
BINARY_OP	5,740,800	54.8%
STORE_FAST	4,646,400	44.3%
TO_BOOL_BOOL	76,800	0.7%
LOAD_ATTR_METHOD_NO_DICT	19,200	0.2%

CALL_BUILTIN_O

Successors and predecessors for CALL_BUILTIN_O

Predecessors	Count	Percentage
LOAD_FAST	13,593,600	99.4%
BINARY_OP	57,600	0.4%
LOAD_ATTR_INSTANCE_VALUE	19,200	0.1%

Successors	Count	Percentage
CALL_METHOD_DESCRIPTOR_FAST	5,836,800	42.7%
LOAD_FAST	3,840,000	28.1%
STORE_SUBSCR_DICT	3,782,400	27.7%
POP_TOP	115,200	0.8%
RETURN_VALUE	57,600	0.4%

CALL_ISINSTANCE

Successors and predecessors for CALL_ISINSTANCE

Predecessors	Count	Percentage
LOAD_GLOBAL_BUILTIN	57,600	50.0%
LOAD_GLOBAL_MODULE	57,600	50.0%

Successors	Count	Percentage
TO_BOOL_BOOL	115,200	100.0%

CALL_KW_NON_PY

Successors and predecessors for CALL_KW_NON_PY

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	96,000	100.0%

Successors	Count	Percentage
LOAD_ATTR_METHOD_WITH_VALUES	57,600	60.0%
POP_TOP	19,200	20.0%
STORE_FAST	19,200	20.0%

CALL_KW_PY

Successors and predecessors for CALL_KW_PY

Predecessors	Count	Percentage
LOAD_CONST_MORTAL	57,600	100.0%

Successors	Count	Percentage
RESUME_CHECK	57,600	100.0%

CALL_LEN

Successors and predecessors for CALL_LEN

Predecessors	Count	Percentage
LOAD_FAST	3,897,600	50.7%
LOAD_ATTR_INSTANCE_VALUE	3,782,400	49.2%

Successors	Count	Percentage
STORE_FAST	7,488,000	97.5%
LOAD_SMALL_INT	76,800	1.0%
LOAD_FAST	57,600	0.8%
CALL_BUILTIN_FAST	57,600	0.8%

CALL_METHOD_DESCRIPTOR_FAST

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST

Predecessors	Count	Percentage
CALL_BUILTIN_O	5,836,800	56.2%
LOAD_FAST	4,531,200	43.6%
LOAD_GLOBAL_MODULE	19,200	0.2%

Successors	Count	Percentage
STORE_FAST	10,387,200	100.0%

CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS

Predecessors	Count	Percentage
LOAD_CONST_IMMORTAL	3,571,200	100.0%

Successors	Count	Percentage
STORE_FAST	3,571,200	100.0%

CALL_METHOD_DESCRIPTOR_NOARGS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_NOARGS

Predecessors	Count	Percentage
LOAD_ATTR_METHOD_LAZY_DICT	6,009,600	98.4%
LOAD_ATTR_METHOD_NO_DICT	96,040	1.6%
CALL	20	0.0%

Successors	Count	Percentage
LOAD_FAST	5,971,200	97.8%
LOAD_SMALL_INT	76,800	1.3%
STORE_FAST	57,600	0.9%
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	9,945,600	100.0%
BUILD_TUPLE	40	0.0%
CALL	20	0.0%

Successors	Count	Percentage
RETURN_VALUE	9,945,600	100.0%
POP_TOP	60	0.0%

CALL_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL

Predecessors	Count	Percentage
PUSH_NULL	172,960	47.4%
LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES	134,400	36.8%
LOAD_ATTR_METHOD_LAZY_DICT	57,600	15.8%
CALL	100	0.0%
LOAD_FAST_LOAD_FAST	40	0.0%

Successors	Count	Percentage
GET_ITER	134,400	36.8%
LOAD_FAST	115,260	31.6%
STORE_FAST	115,260	31.6%
POP_TOP	60	0.0%
RETURN_VALUE	60	0.0%

CALL_PY_EXACT_ARGS

Successors and predecessors for CALL_PY_EXACT_ARGS

Predecessors	Count	Percentage
LOAD_FAST	13,574,400	69.2%
LOAD_FAST_LOAD_FAST	4,608,080	23.5%
BINARY_SUBSCR_TUPLE_INT	1,305,600	6.7%
LOAD_ATTR_METHOD_WITH_VALUES	115,200	0.6%
CALL_PY_EXACT_ARGS	18,240	0.1%

Successors	Count	Percentage
RESUME_CHECK	19,603,380	99.9%
CALL_PY_EXACT_ARGS	18,240	0.1%
COPY_FREE_VARS	60	0.0%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL

Predecessors	Count	Percentage
LOAD_ATTR_METHOD_WITH_VALUES	5,836,800	97.1%
LOAD_FAST	115,200	1.9%
LOAD_FAST_LOAD_FAST	57,600	1.0%
LOAD_CONST_IMMORTAL	40	0.0%
CALL	20	0.0%

Successors	Count	Percentage
RESUME_CHECK	6,009,600	100.0%
MAKE_CELL	60	0.0%

CALL_TYPE_1

Successors and predecessors for CALL_TYPE_1

Predecessors	Count	Percentage
LOAD_FAST	4,531,200	98.7%
LOAD_CONST_IMMORTAL	38,400	0.8%
LOAD_GLOBAL_BUILTIN	19,200	0.4%

Successors	Count	Percentage
STORE_FAST	4,531,200	98.7%
IS_OP	57,600	1.3%

COMPARE_OP_INT

Successors and predecessors for COMPARE_OP_INT

Predecessors	Count	Percentage
LOAD_SMALL_INT	13,104,960	62.4%
LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES	5,952,000	28.4%
LOAD_CONST_IMMORTAL	1,324,800	6.3%
LOAD_CONST_MORTAL	465,600	2.2%
COPY	76,800	0.4%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	14,876,160	70.9%
POP_JUMP_IF_TRUE	5,990,400	28.5%
LOAD_FAST	115,200	0.5%
COMPARE_OP	3,120	0.0%

COMPARE_OP_STR

Successors and predecessors for COMPARE_OP_STR

Predecessors	Count	Percentage
LOAD_CONST_IMMORTAL	38,400	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	38,400	100.0%

CONTAINS_OP_DICT

Successors and predecessors for CONTAINS_OP_DICT

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	3,801,600	99.0%
LOAD_FAST	38,400	1.0%

Successors	Count	Percentage
POP_JUMP_IF_TRUE	3,782,400	98.5%
POP_JUMP_IF_FALSE	57,600	1.5%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST

Predecessors	Count	Percentage
GET_ITER	19,200	50.0%
JUMP_BACKWARD_NO_JIT	19,200	50.0%

Successors	Count	Percentage
POP_ITER	19,200	50.0%
STORE_FAST	19,200	50.0%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE

Predecessors	Count	Percentage
JUMP_BACKWARD_NO_JIT	960	94.1%
GET_ITER	60	5.9%

Successors	Count	Percentage
STORE_FAST	960	94.1%
POP_ITER	60	5.9%

FOR_ITER_TUPLE

Successors and predecessors for FOR_ITER_TUPLE

Predecessors	Count	Percentage
JUMP_BACKWARD_NO_JIT	2,537,280	97.0%
GET_ITER	77,760	3.0%

Successors	Count	Percentage
UNPACK_SEQUENCE_TWO_TUPLE	2,534,400	96.9%
POP_ITER	77,760	3.0%
STORE_FAST	2,880	0.1%

JUMP_BACKWARD_NO_JIT

Successors and predecessors for JUMP_BACKWARD_NO_JIT

Predecessors	Count	Percentage
POP_TOP	3,247,740	97.7%
STORE_FAST	76,800	2.3%
POP_ITER	960	0.0%

Successors	Count	Percentage
FOR_ITER_TUPLE	2,537,280	76.3%
FOR_ITER	768,060	23.1%
FOR_ITER_LIST	19,200	0.6%
FOR_ITER_RANGE	960	0.0%

LOAD_ATTR_INSTANCE_VALUE

Successors and predecessors for LOAD_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
LOAD_FAST	82,579,340	100.0%
LOAD_ATTR	60	0.0%
LOAD_FAST_LOAD_FAST	40	0.0%

Successors	Count	Percentage
TO_BOOL_ALWAYS_TRUE	15,897,600	19.3%
LOAD_ATTR_METHOD_LAZY_DICT	10,003,200	12.1%
LOAD_SMALL_INT	7,622,400	9.2%
STORE_FAST	6,182,400	7.5%
LOAD_ATTR_METHOD_WITH_VALUES	5,952,000	7.2%

LOAD_ATTR_METHOD_LAZY_DICT

Successors and predecessors for LOAD_ATTR_METHOD_LAZY_DICT

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	10,003,200	62.5%
LOAD_FAST	6,009,600	37.5%

Successors	Count	Percentage
LOAD_FAST	9,945,600	62.1%
CALL_METHOD_DESCRIPTOR_NOARGS	6,009,600	37.5%
CALL_NON_PY_GENERAL	57,600	0.4%

LOAD_ATTR_METHOD_NO_DICT

Successors and predecessors for LOAD_ATTR_METHOD_NO_DICT

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	5,836,880	41.5%
LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES	4,531,200	32.2%
LOAD_FAST	3,686,400	26.2%
CALL_BUILTIN_FAST	19,200	0.1%
LOAD_ATTR	40	0.0%

Successors	Count	Percentage
LOAD_GLOBAL_BUILTIN	5,836,800	41.5%
LOAD_FAST	4,569,600	32.5%
LOAD_CONST_MORTAL	3,552,000	25.2%
CALL_METHOD_DESCRIPTOR_NOARGS	96,040	0.7%
LOAD_CONST_IMMORTAL	19,200	0.1%

LOAD_ATTR_METHOD_WITH_VALUES

Successors and predecessors for LOAD_ATTR_METHOD_WITH_VALUES

Predecessors	Count	Percentage
LOAD_FAST	15,033,680	71.4%
LOAD_ATTR_INSTANCE_VALUE	5,952,000	28.3%
CALL_KW_NON_PY	57,600	0.3%
LOAD_ATTR	40	0.0%

Successors	Count	Percentage
LOAD_FAST	14,976,060	71.2%
CALL_PY_GENERAL	5,836,800	27.7%
CALL_PY_EXACT_ARGS	115,200	0.5%
LOAD_FAST_LOAD_FAST	57,660	0.3%
LOAD_CONST_IMMORTAL	57,600	0.3%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	192,160	99.9%
LOAD_ATTR	100	0.1%
LOAD_FAST	40	0.0%

Successors	Count	Percentage
PUSH_NULL	173,040	90.0%
LOAD_FAST	19,200	10.0%
STORE_FAST	60	0.0%

LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES

Successors and predecessors for LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES

Predecessors	Count	Percentage
LOAD_FAST	10,483,200	98.7%
LOAD_FAST_LOAD_FAST	134,400	1.3%

Successors	Count	Percentage
COMPARE_OP_INT	5,952,000	56.1%
LOAD_ATTR_METHOD_NO_DICT	4,531,200	42.7%
CALL_NON_PY_GENERAL	134,400	1.3%

LOAD_CONST_IMMORTAL

Successors and predecessors for LOAD_CONST_IMMORTAL

Predecessors	Count	Percentage
POP_TOP	10,483,380	28.9%
LOAD_FAST	6,086,520	16.8%
POP_JUMP_IF_FALSE	5,836,800	16.1%
RESUME_CHECK	5,836,800	16.1%
STORE_SUBSCR_DICT	3,782,400	10.4%

Successors	Count	Percentage
RETURN_VALUE	26,323,380	72.6%
LOAD_GLOBAL_MODULE	4,569,600	12.6%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS	3,571,200	9.8%
COMPARE_OP_INT	1,324,800	3.7%
LOAD_FAST	134,400	0.4%

LOAD_CONST_MORTAL

Successors and predecessors for LOAD_CONST_MORTAL

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	5,740,800	52.6%
LOAD_ATTR_METHOD_NO_DICT	3,552,000	32.6%
POP_JUMP_IF_FALSE	960,000	8.8%
LOAD_FAST	537,600	4.9%
LOAD_CONST_IMMORTAL	76,800	0.7%

Successors	Count	Percentage
LOAD_FAST	6,182,400	56.7%
LOAD_CONST_IMMORTAL	3,552,000	32.6%
COMPARE_OP	494,400	4.5%
COMPARE_OP_INT	465,600	4.3%
CALL_KW_NON_PY	96,000	0.9%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN

Predecessors	Count	Percentage
STORE_FAST	8,409,600	21.1%
POP_JUMP_IF_FALSE	8,390,400	21.0%
LOAD_ATTR_METHOD_NO_DICT	5,836,800	14.6%
LOAD_FAST	4,665,600	11.7%
POP_JUMP_IF_NONE	4,569,600	11.4%

Successors	Count	Percentage
LOAD_FAST	30,624,060	76.7%
IS_OP	4,531,200	11.4%
STORE_FAST	4,531,200	11.4%
LOAD_FAST_LOAD_FAST	76,800	0.2%
CALL_ISINSTANCE	57,600	0.1%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE

Predecessors	Count	Percentage
LOAD_GLOBAL_MODULE	5,740,880	22.4%
POP_JUMP_IF_FALSE	5,184,000	20.2%
LOAD_FAST	4,665,600	18.2%
LOAD_ATTR_INSTANCE_VALUE	4,608,000	18.0%
LOAD_CONST_IMMORTAL	4,569,600	17.8%

Successors	Count	Percentage
LOAD_GLOBAL_MODULE	5,740,880	22.4%
LOAD_CONST_MORTAL	5,740,800	22.4%
IS_OP	4,588,800	17.9%
CALL_BUILTIN_FAST	4,588,800	17.9%
RETURN_VALUE	3,782,400	14.8%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK

Predecessors	Count	Percentage
CALL_PY_EXACT_ARGS	19,603,380	47.2%
CALL_BOUND_METHOD_EXACT_ARGS	10,003,200	24.1%
CALL_PY_GENERAL	6,009,600	14.5%
CALL_BOUND_METHOD_GENERAL	5,740,800	13.8%
CACHE	76,860	0.2%

Successors	Count	Percentage
LOAD_FAST	35,462,580	85.4%
LOAD_CONST_IMMORTAL	5,836,800	14.0%
LOAD_GLOBAL_MODULE	115,280	0.3%
LOAD_GLOBAL_BUILTIN	76,840	0.2%
LOAD_FAST_LOAD_FAST	57,600	0.1%

STORE_ATTR_INSTANCE_VALUE

Successors and predecessors for STORE_ATTR_INSTANCE_VALUE

Predecessors	Count	Percentage
LOAD_FAST	748,800	86.7%
LOAD_FAST_LOAD_FAST	115,200	13.3%

Successors	Count	Percentage
LOAD_CONST_IMMORTAL	345,600	40.0%
LOAD_FAST	230,400	26.7%
NOP	57,600	6.7%
BUILD_MAP	57,600	6.7%
LOAD_SMALL_INT	57,600	6.7%

STORE_SUBSCR_DICT

Successors and predecessors for STORE_SUBSCR_DICT

Predecessors	Count	Percentage
CALL_BUILTIN_O	3,782,400	100.0%

Successors	Count	Percentage
LOAD_CONST_IMMORTAL	3,782,400	100.0%

TO_BOOL_ALWAYS_TRUE

Successors and predecessors for TO_BOOL_ALWAYS_TRUE

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	15,897,600	100.0%
TO_BOOL_NONE	1,080	0.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	15,897,600	100.0%
TO_BOOL_NONE	1,080	0.0%

TO_BOOL_BOOL

Successors and predecessors for TO_BOOL_BOOL

Predecessors	Count	Percentage
LOAD_FAST	11,731,240	65.6%
LOAD_ATTR_INSTANCE_VALUE	5,875,200	32.9%
CALL_ISINSTANCE	115,200	0.6%
CALL_BUILTIN_FAST	76,800	0.4%
COPY	57,600	0.3%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	14,016,000	78.4%
EXTENDED_ARG	3,552,000	19.9%
POP_JUMP_IF_TRUE	307,260	1.7%

TO_BOOL_INT

Successors and predecessors for TO_BOOL_INT

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	3,782,400	100.0%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	3,782,400	100.0%

TO_BOOL_NONE

Successors and predecessors for TO_BOOL_NONE

Predecessors	Count	Percentage
LOAD_ATTR_INSTANCE_VALUE	57,600	98.2%
TO_BOOL_ALWAYS_TRUE	1,080	1.8%

Successors	Count	Percentage
POP_JUMP_IF_FALSE	57,600	98.2%
TO_BOOL_ALWAYS_TRUE	1,080	1.8%

UNPACK_SEQUENCE_TWO_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TWO_TUPLE

Predecessors	Count	Percentage
FOR_ITER_TUPLE	2,534,400	80.0%
FOR_ITER	633,600	20.0%
CALL_METHOD_DESCRIPTOR_NOARGS	40	0.0%
UNPACK_SEQUENCE	20	0.0%

Successors	Count	Percentage
STORE_FAST_STORE_FAST	3,168,060	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.	9,350,400	99.2%
hit ⓘ Specialized instructions that complete.	76,860	0.8%

Success	Count	Ratio
Success	20	0.8%
Failure	2,500	99.2%

Failure kind	Count	Ratio
add other	2,460	98.4%
rshift	40	1.6%

BINARY_SUBSCR

specialization stats for BINARY_SUBSCR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	1,363,260	100.0%

Success	Count	Ratio
Success	20	100.0%
Failure	0	0.0%

CALL

specialization stats for CALL family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	105,419,940	99.1%
miss ⓘ Specialized instructions that deopt.	966,720	0.9%

Success	Count	Ratio
Success	18,500	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.	1,021,440	4.6%
hit ⓘ Specialized instructions that complete.	20,859,360	94.6%
miss ⓘ Specialized instructions that deopt.	163,920	0.7%

Success	Count	Ratio
Success	3,120	29.3%
Failure	7,520	70.7%

Failure kind	Count	Ratio
big int	7,520	100.0%

CONTAINS_OP

specialization stats for CONTAINS_OP family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	19,200	0.5%
hit ⓘ Specialized instructions that complete.	3,840,000	99.5%

Success	Count	Ratio
Success	0	0.0%
Failure	40	100.0%

Failure kind	Count	Ratio
list	40	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.	998,460	27.3%
hit ⓘ Specialized instructions that complete.	2,654,460	72.7%

Success	Count	Ratio
Success	0	0.0%
Failure	280	100.0%

Failure kind	Count	Ratio
enumerate	200	71.4%
itertools	80	28.6%

LOAD_ATTR

specialization stats for LOAD_ATTR family

Kind	Count	Ratio
deferred ⓘ Lists the number of "deferred" (i.e. not specialized) instructions executed.	403,320	0.3%
hit ⓘ Specialized instructions that complete.	144,519,180	99.7%

Success	Count	Ratio
Success	240	38.7%
Failure	380	61.3%

Failure kind	Count	Ratio
method	360	94.7%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	65,549,340	100.0%

Success	Count	Ratio
Success	180	100.0%
Failure	0	0.0%

STORE_ATTR

specialization stats for STORE_ATTR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	864,000	100.0%

STORE_SUBSCR

specialization stats for STORE_SUBSCR family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	3,782,400	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.	38,460	0.2%
hit ⓘ Specialized instructions that complete.	21,659,100	99.3%
miss ⓘ Specialized instructions that deopt.	114,480	0.5%

Success	Count	Ratio
Success	2,180	97.3%
Failure	60	2.7%

Failure kind	Count	Ratio
tuple	40	66.7%
sequence	20	33.3%

UNPACK_SEQUENCE

specialization stats for UNPACK_SEQUENCE family

Kind	Count	Ratio
hit ⓘ Specialized instructions that complete.	3,168,060	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`.	523,442,400	51.3%
Not specialized ⓘ Instructions that could be specialized but aren't, e.g. `LOAD_ATTR`, `BINARY_SLICE`.	11,842,840	1.2%
Specialized hits ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that complete.	483,913,200	47.4%
Specialized misses ⓘ Specialized instructions, e.g. `LOAD_ATTR_MODULE` that deopt.	1,245,120	0.1%

Deferred by instruction

Breakdown of deferred (not specialized) instruction counts by family

Name	Count	Ratio
BINARY_OP	9,350,400	79.0%
COMPARE_OP	1,021,440	8.6%
FOR_ITER	998,460	8.4%
LOAD_ATTR	403,320	3.4%
TO_BOOL	38,460	0.3%
CONTAINS_OP	19,200	0.2%
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_EXACT_ARGS	966,720	77.6%
COMPARE_OP_INT	163,920	13.2%
TO_BOOL_ALWAYS_TRUE	57,240	4.6%
TO_BOOL_NONE	57,240	4.6%
CACHE	0	0.0%
CALL_FUNCTION_EX	0	0.0%
EXIT_INIT_CHECK	0	0.0%
GET_ITER	0	0.0%
INTERPRETER_EXIT	0	0.0%
MAKE_FUNCTION	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	76,860	0.2%
Calls to Python functions inlined	41,472,360	99.8%
Calls via PyEval_EvalFrame (total)	76,860	0.2%
Calls via PyEval_EvalFrame (vector)	76,860	0.2%
Calls via PyEval_EvalFrame (generator)	0	0.0%
Calls via PyEval_EvalFrame (legacy)	0	0.0%
Calls via PyEval_EvalFrame (function vectorcall)	76,860	0.2%
Calls via PyEval_EvalFrame (build class)	0	0.0%
Calls via PyEval_EvalFrame (slot)	0	0.0%
Calls via PyEval_EvalFrame (function ex)	60	0.0%
Calls via PyEval_EvalFrame (api)	0	0.0%
Calls via PyEval_EvalFrame (method)	0	0.0%
Frame objects created	0	0.0%
Frames pushed	41,606,820	100.1%

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	12,212,700	30.1%
Frees to freelist	12,270,260
Allocations	28,397,240	69.9%
Allocations to 512 bytes	27,994,040	68.9%
Allocations to 4 kbytes	115,200	0.3%
Allocations over 4 kbytes	288,000	0.7%
Frees	28,339,228
Inline values	115,200
Interpreter mortal increfs	476,282,760	69.2%
Interpreter mortal decrefs	513,149,200	68.2%
Mortal increfs	50,835,382	7.4%
Mortal decrefs	54,175,272	7.2%
Interpreter immortal increfs	110,093,760	16.0%
Interpreter immortal decrefs	150,481,920	20.0%
Immortal increfs	50,654,996	7.4%
Immortal decrefs	34,681,026	4.6%
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	4,986,958
Method cache misses	63,302
Method cache collisions	113,012
Method cache dunder hits	180,583
Method cache dunder misses	49,817

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	40	160	68,220	2,100	3,140
2	0	0	0	0	0

Optimization (Tier 2) stats

statistics about the Tier 2 optimizer

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: 2025-02-01

Files

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Pystats results

Execution counts

Pair counts

Predecessor/Successor Pairs

CACHE

BINARY_SUBSCR

CALL_FUNCTION_EX

EXIT_INIT_CHECK

GET_ITER

INTERPRETER_EXIT

MAKE_FUNCTION

NOP

POP_ITER

POP_TOP

PUSH_NULL

RETURN_VALUE

TO_BOOL

BINARY_OP

BUILD_LIST

BUILD_MAP

BUILD_TUPLE

CALL

CALL_INTRINSIC_1

COMPARE_OP

CONTAINS_OP

COPY

COPY_FREE_VARS

EXTENDED_ARG

FOR_ITER

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

BINARY_OP_ADD_INT

BINARY_OP_SUBTRACT_FLOAT

BINARY_SUBSCR_DICT

BINARY_SUBSCR_LIST_INT

BINARY_SUBSCR_TUPLE_INT

CALL_ALLOC_AND_ENTER_INIT

CALL_BOUND_METHOD_EXACT_ARGS

CALL_BOUND_METHOD_GENERAL

CALL_BUILTIN_CLASS

CALL_BUILTIN_FAST

CALL_BUILTIN_O

CALL_ISINSTANCE

CALL_KW_NON_PY

CALL_KW_PY

CALL_LEN

CALL_METHOD_DESCRIPTOR_FAST

CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS

CALL_METHOD_DESCRIPTOR_NOARGS

CALL_METHOD_DESCRIPTOR_O

CALL_NON_PY_GENERAL

CALL_PY_EXACT_ARGS

CALL_PY_GENERAL

CALL_TYPE_1

COMPARE_OP_INT

COMPARE_OP_STR