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Pystats results

  • benchmark: json
  • 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 39,225,420 22.1% 22.1%
POP_JUMP_IF_NOT_NONE 12,384,060 7.0% 29.1%
LOAD_FAST_LOAD_FAST 8,258,520 4.7% 33.7%
PUSH_NULL 6,196,320 3.5% 37.2%
CALL_NON_PY_GENERAL 6,196,140 3.5% 40.7%
LOAD_ATTR_METHOD_NO_DICT 6,194,160 3.5% 44.2%
RETURN_VALUE 6,192,660 3.5% 47.7%
RESUME_CHECK 6,192,660 3.5% 51.2%
LOAD_GLOBAL_BUILTIN 6,192,120 3.5% 54.6%
POP_JUMP_IF_FALSE 6,192,060 3.5% 58.1%
CALL_METHOD_DESCRIPTOR_FAST 6,192,060 3.5% 61.6%
STORE_FAST 4,136,580 2.3% 63.9%
LOAD_GLOBAL_MODULE 4,132,260 2.3% 66.3%
STORE_FAST_STORE_FAST 4,128,180 2.3% 68.6%
UNPACK_SEQUENCE_TWO_TUPLE 4,128,180 2.3% 70.9%
LOAD_ATTR_METHOD_WITH_VALUES 4,128,120 2.3% 73.3%
LOAD_CONST_MORTAL 4,128,120 2.3% 75.6%
POP_JUMP_IF_TRUE 4,128,060 2.3% 77.9%
CALL_PY_GENERAL 4,128,060 2.3% 80.2%
TO_BOOL_BOOL 4,128,060 2.3% 82.5%
LOAD_ATTR_MODULE 2,068,020 1.2% 83.7%
JUMP_BACKWARD_NO_JIT 2,065,980 1.2% 84.9%
FOR_ITER_LIST 2,065,920 1.2% 86.0%
TO_BOOL 2,064,600 1.2% 87.2%
POP_TOP 2,064,420 1.2% 88.4%
LOAD_ATTR_INSTANCE_VALUE 2,064,360 1.2% 89.5%
BUILD_TUPLE 2,064,180 1.2% 90.7%
LOAD_SMALL_INT 2,064,120 1.2% 91.9%
NOP 2,064,060 1.2% 93.0%
JUMP_FORWARD 2,064,060 1.2% 94.2%
CALL_ISINSTANCE 2,064,000 1.2% 95.3%
CALL_KW_PY 2,064,000 1.2% 96.5%
CALL_LEN 2,064,000 1.2% 97.7%
COMPARE_OP_INT 2,064,000 1.2% 98.8%
TO_BOOL_STR 2,064,000 1.2% 100.0%
POP_ITER 2,040 0.0% 100.0%
GET_ITER 1,980 0.0% 100.0%
CALL_LIST_APPEND 1,980 0.0% 100.0%
FOR_ITER_RANGE 1,980 0.0% 100.0%
BINARY_OP_ADD_FLOAT 1,920 0.0% 100.0% 3.1%
BINARY_OP_SUBTRACT_FLOAT 1,920 0.0% 100.0%
LOAD_CONST_IMMORTAL 1,020 0.0% 100.0%
LOAD_ATTR 460 0.0% 100.0%
CALL 380 0.0% 100.0%
CALL_PY_EXACT_ARGS 360 0.0% 100.0%
STORE_ATTR_INSTANCE_VALUE 180 0.0% 100.0%
LOAD_GLOBAL 160 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_NOARGS 120 0.0% 100.0% 50.0%
CALL_FUNCTION_EX 120 0.0% 100.0%
INTERPRETER_EXIT 120 0.0% 100.0%
BUILD_LIST 120 0.0% 100.0%
LOAD_DEREF 120 0.0% 100.0%
LOAD_SPECIAL 120 0.0% 100.0%
SWAP 120 0.0% 100.0%
BINARY_SLICE 60 0.0% 100.0%
MAKE_FUNCTION 60 0.0% 100.0%
BINARY_OP 60 0.0% 100.0%
CALL_INTRINSIC_1 60 0.0% 100.0%
COPY 60 0.0% 100.0%
COPY_FREE_VARS 60 0.0% 100.0%
FOR_ITER 60 0.0% 100.0%
IS_OP 60 0.0% 100.0%
LIST_EXTEND 60 0.0% 100.0%
LOAD_FAST_CHECK 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_SUBSCR_TUPLE_INT 60 0.0% 100.0%
CALL_BUILTIN_CLASS 60 0.0% 100.0%
CALL_BUILTIN_FAST 60 0.0% 100.0%
CALL_BUILTIN_FAST_WITH_KEYWORDS 60 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS 60 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_O 60 0.0% 100.0%
LOAD_ATTR_CLASS 60 0.0% 100.0%
UNPACK_SEQUENCE 40 0.0% 100.0%
BINARY_SUBSCR 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 POP_JUMP_IF_NOT_NONE 12,384,060 7.0% 7.0%
POP_JUMP_IF_NOT_NONE LOAD_FAST 12,384,000 7.0% 13.9%
STORE_FAST LOAD_FAST 4,132,200 2.3% 16.3%
UNPACK_SEQUENCE_TWO_TUPLE STORE_FAST_STORE_FAST 4,128,180 2.3% 18.6%
PUSH_NULL LOAD_FAST 4,128,120 2.3% 20.9%
POP_JUMP_IF_FALSE LOAD_FAST 4,128,060 2.3% 23.3%
LOAD_GLOBAL_BUILTIN LOAD_FAST 4,128,060 2.3% 25.6%
LOAD_FAST_LOAD_FAST CALL_NON_PY_GENERAL 4,128,040 2.3% 27.9%
LOAD_FAST CALL_PY_GENERAL 4,128,000 2.3% 30.2%
LOAD_FAST LOAD_GLOBAL_BUILTIN 4,128,000 2.3% 32.5%
POP_JUMP_IF_TRUE LOAD_GLOBAL_MODULE 4,128,000 2.3% 34.9%
CALL_NON_PY_GENERAL LOAD_ATTR_METHOD_NO_DICT 4,128,000 2.3% 37.2%
CALL_PY_GENERAL RESUME_CHECK 4,128,000 2.3% 39.5%
LOAD_ATTR_METHOD_NO_DICT CALL_METHOD_DESCRIPTOR_FAST 4,128,000 2.3% 41.8%
TO_BOOL_BOOL POP_JUMP_IF_FALSE 4,128,000 2.3% 44.2%
LOAD_ATTR_MODULE PUSH_NULL 2,068,020 1.2% 45.3%
LOAD_GLOBAL_MODULE LOAD_ATTR_MODULE 2,067,960 1.2% 46.5%
LOAD_FAST LOAD_ATTR_METHOD_NO_DICT 2,065,960 1.2% 47.7%
RETURN_VALUE POP_TOP 2,064,240 1.2% 48.8%
RESUME_CHECK LOAD_FAST 2,064,240 1.2% 50.0%
LOAD_FAST LOAD_ATTR_INSTANCE_VALUE 2,064,200 1.2% 51.2%
LOAD_FAST PUSH_NULL 2,064,180 1.2% 52.3%
LOAD_FAST RETURN_VALUE 2,064,180 1.2% 53.5%
LOAD_FAST_LOAD_FAST BUILD_TUPLE 2,064,120 1.2% 54.6%
STORE_FAST_STORE_FAST LOAD_FAST 2,064,120 1.2% 55.8%
LOAD_FAST LOAD_ATTR_METHOD_WITH_VALUES 2,064,080 1.2% 57.0%
NOP LOAD_FAST 2,064,060 1.2% 58.1%
POP_TOP JUMP_BACKWARD_NO_JIT 2,064,060 1.2% 59.3%
PUSH_NULL LOAD_FAST_LOAD_FAST 2,064,060 1.2% 60.5%
RETURN_VALUE RETURN_VALUE 2,064,060 1.2% 61.6%
BUILD_TUPLE RETURN_VALUE 2,064,060 1.2% 62.8%
JUMP_FORWARD LOAD_FAST 2,064,060 1.2% 63.9%
LOAD_FAST LOAD_SMALL_INT 2,064,060 1.2% 65.1%
STORE_FAST_STORE_FAST LOAD_FAST_LOAD_FAST 2,064,060 1.2% 66.3%
CALL_METHOD_DESCRIPTOR_FAST STORE_FAST 2,064,060 1.2% 67.4%
LOAD_ATTR_METHOD_WITH_VALUES LOAD_FAST 2,064,060 1.2% 68.6%
LOAD_ATTR_METHOD_WITH_VALUES LOAD_FAST_LOAD_FAST 2,064,060 1.2% 69.8%
RETURN_VALUE UNPACK_SEQUENCE_TWO_TUPLE 2,064,040 1.2% 70.9%
RESUME_CHECK LOAD_GLOBAL_BUILTIN 2,064,040 1.2% 72.1%
LOAD_FAST TO_BOOL 2,064,020 1.2% 73.2%
TO_BOOL POP_JUMP_IF_TRUE 2,064,000 1.2% 74.4%
LOAD_FAST CALL_LEN 2,064,000 1.2% 75.6%
LOAD_FAST TO_BOOL_STR 2,064,000 1.2% 76.7%
LOAD_FAST_LOAD_FAST PUSH_NULL 2,064,000 1.2% 77.9%
LOAD_SMALL_INT CALL_NON_PY_GENERAL 2,064,000 1.2% 79.1%
POP_JUMP_IF_FALSE JUMP_FORWARD 2,064,000 1.2% 80.2%
CALL_ISINSTANCE TO_BOOL_BOOL 2,064,000 1.2% 81.4%
CALL_KW_PY RESUME_CHECK 2,064,000 1.2% 82.5%
CALL_LEN COMPARE_OP_INT 2,064,000 1.2% 83.7%
CALL_METHOD_DESCRIPTOR_FAST LOAD_CONST_MORTAL 2,064,000 1.2% 84.9%
CALL_METHOD_DESCRIPTOR_FAST TO_BOOL_BOOL 2,064,000 1.2% 86.0%
CALL_NON_PY_GENERAL UNPACK_SEQUENCE_TWO_TUPLE 2,064,000 1.2% 87.2%
COMPARE_OP_INT POP_JUMP_IF_FALSE 2,064,000 1.2% 88.3%
FOR_ITER_LIST STORE_FAST 2,064,000 1.2% 89.5%
JUMP_BACKWARD_NO_JIT FOR_ITER_LIST 2,064,000 1.2% 90.7%
LOAD_ATTR_INSTANCE_VALUE LOAD_FAST_LOAD_FAST 2,064,000 1.2% 91.8%
LOAD_ATTR_METHOD_NO_DICT LOAD_CONST_MORTAL 2,064,000 1.2% 93.0%
LOAD_CONST_MORTAL CALL_KW_PY 2,064,000 1.2% 94.2%
LOAD_CONST_MORTAL CALL_METHOD_DESCRIPTOR_FAST 2,064,000 1.2% 95.3%
LOAD_GLOBAL_BUILTIN CALL_ISINSTANCE 2,064,000 1.2% 96.5%
LOAD_GLOBAL_MODULE LOAD_ATTR_METHOD_WITH_VALUES 2,064,000 1.2% 97.6%
RESUME_CHECK NOP 2,064,000 1.2% 98.8%
TO_BOOL_STR POP_JUMP_IF_TRUE 2,064,000 1.2% 100.0%
PUSH_NULL CALL_NON_PY_GENERAL 3,960 0.0% 100.0%
CALL_NON_PY_GENERAL STORE_FAST 3,840 0.0% 100.0%
STORE_FAST LOAD_GLOBAL_MODULE 1,960 0.0% 100.0%
GET_ITER FOR_ITER_LIST 1,920 0.0% 100.0%
POP_ITER LOAD_GLOBAL_MODULE 1,920 0.0% 100.0%
LOAD_FAST GET_ITER 1,920 0.0% 100.0%
LOAD_FAST BINARY_OP_SUBTRACT_FLOAT 1,920 0.0% 100.0%
LOAD_FAST CALL_LIST_APPEND 1,920 0.0% 100.0%
LOAD_FAST_LOAD_FAST LOAD_FAST 1,920 0.0% 100.0%
STORE_FAST LOAD_FAST_LOAD_FAST 1,920 0.0% 100.0%
BINARY_OP_ADD_FLOAT STORE_FAST 1,920 0.0% 100.0%
BINARY_OP_SUBTRACT_FLOAT BINARY_OP_ADD_FLOAT 1,920 0.0% 100.0%
CALL_LIST_APPEND JUMP_BACKWARD_NO_JIT 1,920 0.0% 100.0%
FOR_ITER_LIST POP_ITER 1,920 0.0% 100.0%
FOR_ITER_RANGE STORE_FAST 1,920 0.0% 100.0%
JUMP_BACKWARD_NO_JIT FOR_ITER_RANGE 1,920 0.0% 100.0%
LOAD_ATTR_METHOD_NO_DICT LOAD_FAST 1,920 0.0% 100.0%
TO_BOOL TO_BOOL 520 0.0% 100.0%
CALL_PY_EXACT_ARGS RESUME_CHECK 300 0.0% 100.0%
LOAD_CONST_IMMORTAL RETURN_VALUE 300 0.0% 100.0%
LOAD_FAST LOAD_ATTR 280 0.0% 100.0%
POP_TOP LOAD_CONST_IMMORTAL 240 0.0% 100.0%
STORE_FAST LOAD_CONST_IMMORTAL 240 0.0% 100.0%
LOAD_CONST_IMMORTAL LOAD_CONST_IMMORTAL 240 0.0% 100.0%
CACHE RESUME_CHECK 180 0.0% 100.0%
RETURN_VALUE STORE_FAST 180 0.0% 100.0%
RESUME_CHECK LOAD_GLOBAL_MODULE 180 0.0% 100.0%
LOAD_FAST_LOAD_FAST CALL_PY_EXACT_ARGS 140 0.0% 100.0%
POP_ITER LOAD_FAST 120 0.0% 100.0%
PUSH_NULL CALL_FUNCTION_EX 120 0.0% 100.0%
RETURN_VALUE INTERPRETER_EXIT 120 0.0% 100.0%
LOAD_ATTR LOAD_FAST_LOAD_FAST 120 0.0% 100.0%
LOAD_FAST LOAD_CONST_IMMORTAL 120 0.0% 100.0%
LOAD_FAST STORE_ATTR_INSTANCE_VALUE 120 0.0% 100.0%
LOAD_GLOBAL LOAD_GLOBAL_MODULE 120 0.0% 100.0%
CALL_NON_PY_GENERAL POP_TOP 120 0.0% 100.0%
LOAD_ATTR_INSTANCE_VALUE LOAD_FAST 120 0.0% 100.0%

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.

BINARY_SLICE

Successors and predecessors for BINARY_SLICE
Predecessors Count Percentage
LOAD_CONST_IMMORTAL 60 100.0%
Successors Count Percentage
LOAD_FAST 60 100.0%

CACHE

Successors and predecessors for CACHE
Successors Count Percentage
RESUME_CHECK 180 100.0%

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
PUSH_NULL 120 100.0%
Successors Count Percentage
RESUME_CHECK 60 100.0%

GET_ITER

Successors and predecessors for GET_ITER
Predecessors Count Percentage
LOAD_FAST 1,920 97.0%
CALL_BUILTIN_CLASS 60 3.0%
Successors Count Percentage
FOR_ITER_LIST 1,920 97.0%
FOR_ITER_RANGE 60 3.0%

INTERPRETER_EXIT

Successors and predecessors for INTERPRETER_EXIT
Predecessors Count Percentage
RETURN_VALUE 120 100.0%

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
RESUME_CHECK 2,064,000 100.0%
POP_JUMP_IF_TRUE 60 0.0%
Successors Count Percentage
LOAD_FAST 2,064,060 100.0%

POP_ITER

Successors and predecessors for POP_ITER
Predecessors Count Percentage
FOR_ITER_LIST 1,920 94.1%
FOR_ITER 60 2.9%
FOR_ITER_RANGE 60 2.9%
Successors Count Percentage
LOAD_GLOBAL_MODULE 1,920 94.1%
LOAD_FAST 120 5.9%

POP_TOP

Successors and predecessors for POP_TOP
Predecessors Count Percentage
RETURN_VALUE 2,064,240 100.0%
CALL_NON_PY_GENERAL 120 0.0%
CALL_METHOD_DESCRIPTOR_O 60 0.0%
Successors Count Percentage
JUMP_BACKWARD_NO_JIT 2,064,060 100.0%
LOAD_CONST_IMMORTAL 240 0.0%
LOAD_FAST 60 0.0%
LOAD_FAST_CHECK 60 0.0%

PUSH_NULL

Successors and predecessors for PUSH_NULL
Predecessors Count Percentage
LOAD_ATTR_MODULE 2,068,020 33.4%
LOAD_FAST 2,064,180 33.3%
LOAD_FAST_LOAD_FAST 2,064,000 33.3%
CALL_INTRINSIC_1 60 0.0%
LOAD_DEREF 60 0.0%
Successors Count Percentage
LOAD_FAST 4,128,120 66.6%
LOAD_FAST_LOAD_FAST 2,064,060 33.3%
CALL_NON_PY_GENERAL 3,960 0.1%
CALL_FUNCTION_EX 120 0.0%
CALL 60 0.0%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE
Predecessors Count Percentage
LOAD_FAST 2,064,180 33.3%
RETURN_VALUE 2,064,060 33.3%
BUILD_TUPLE 2,064,060 33.3%
LOAD_CONST_IMMORTAL 300 0.0%
CALL_NON_PY_GENERAL 60 0.0%
Successors Count Percentage
POP_TOP 2,064,240 33.3%
RETURN_VALUE 2,064,060 33.3%
UNPACK_SEQUENCE_TWO_TUPLE 2,064,040 33.3%
STORE_FAST 180 0.0%
INTERPRETER_EXIT 120 0.0%

TO_BOOL

Successors and predecessors for TO_BOOL
Predecessors Count Percentage
LOAD_FAST 2,064,020 100.0%
TO_BOOL 520 0.0%
LOAD_ATTR_INSTANCE_VALUE 60 0.0%
Successors Count Percentage
POP_JUMP_IF_TRUE 2,064,000 100.0%
TO_BOOL 520 0.0%
POP_JUMP_IF_FALSE 60 0.0%
TO_BOOL_BOOL 20 0.0%

BINARY_OP

Successors and predecessors for BINARY_OP
Predecessors Count Percentage
LOAD_FAST 60 100.0%
Successors Count Percentage
STORE_FAST 60 100.0%

BUILD_LIST

Successors and predecessors for BUILD_LIST
Predecessors Count Percentage
LOAD_FAST 60 50.0%
STORE_FAST 60 50.0%
Successors Count Percentage
LOAD_DEREF 60 50.0%
STORE_FAST 60 50.0%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 2,064,120 100.0%
LOAD_FAST 60 0.0%
Successors Count Percentage
RETURN_VALUE 2,064,060 100.0%
LOAD_CONST_MORTAL 60 0.0%
CALL_METHOD_DESCRIPTOR_O 40 0.0%
CALL 20 0.0%

CALL

Successors and predecessors for CALL
Predecessors Count Percentage
PUSH_NULL 60 15.8%
LOAD_FAST_LOAD_FAST 60 15.8%
LOAD_CONST_IMMORTAL 60 15.8%
LOAD_FAST 40 10.5%
LOAD_ATTR_METHOD_NO_DICT 40 10.5%
Successors Count Percentage
CALL_NON_PY_GENERAL 100 26.3%
CALL_PY_EXACT_ARGS 100 26.3%
CALL_METHOD_DESCRIPTOR_NOARGS 40 10.5%
CALL_BUILTIN_CLASS 20 5.3%
CALL_BUILTIN_FAST_WITH_KEYWORDS 20 5.3%

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%

COPY

Successors and predecessors for COPY
Predecessors Count Percentage
CALL_BUILTIN_FAST_WITH_KEYWORDS 60 100.0%
Successors Count Percentage
LOAD_SPECIAL 60 100.0%

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%

FOR_ITER

Successors and predecessors for FOR_ITER
Predecessors Count Percentage
JUMP_BACKWARD_NO_JIT 60 100.0%
Successors Count Percentage
POP_ITER 60 100.0%

IS_OP

Successors and predecessors for IS_OP
Predecessors Count Percentage
LOAD_CONST_IMMORTAL 60 100.0%
Successors Count Percentage
STORE_FAST 60 100.0%

JUMP_FORWARD

Successors and predecessors for JUMP_FORWARD
Predecessors Count Percentage
POP_JUMP_IF_FALSE 2,064,000 100.0%
STORE_FAST 60 0.0%
Successors Count Percentage
LOAD_FAST 2,064,060 100.0%

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 280 60.9%
LOAD_GLOBAL_MODULE 60 13.0%
LOAD_ATTR 40 8.7%
LOAD_ATTR_INSTANCE_VALUE 40 8.7%
LOAD_FAST_CHECK 20 4.3%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 120 26.1%
LOAD_ATTR_METHOD_NO_DICT 80 17.4%
LOAD_ATTR_INSTANCE_VALUE 60 13.0%
LOAD_ATTR_MODULE 60 13.0%
LOAD_ATTR 40 8.7%

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_NOT_NONE 12,384,000 31.6%
STORE_FAST 4,132,200 10.5%
PUSH_NULL 4,128,120 10.5%
POP_JUMP_IF_FALSE 4,128,060 10.5%
LOAD_GLOBAL_BUILTIN 4,128,060 10.5%
Successors Count Percentage
POP_JUMP_IF_NOT_NONE 12,384,060 31.6%
CALL_PY_GENERAL 4,128,000 10.5%
LOAD_GLOBAL_BUILTIN 4,128,000 10.5%
LOAD_ATTR_METHOD_NO_DICT 2,065,960 5.3%
LOAD_ATTR_INSTANCE_VALUE 2,064,200 5.3%

LOAD_FAST_CHECK

Successors and predecessors for LOAD_FAST_CHECK
Predecessors Count Percentage
POP_TOP 60 100.0%
Successors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 40 66.7%
LOAD_ATTR 20 33.3%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST
Predecessors Count Percentage
PUSH_NULL 2,064,060 25.0%
STORE_FAST_STORE_FAST 2,064,060 25.0%
LOAD_ATTR_METHOD_WITH_VALUES 2,064,060 25.0%
LOAD_ATTR_INSTANCE_VALUE 2,064,000 25.0%
STORE_FAST 1,920 0.0%
Successors Count Percentage
CALL_NON_PY_GENERAL 4,128,040 50.0%
BUILD_TUPLE 2,064,120 25.0%
PUSH_NULL 2,064,000 25.0%
LOAD_FAST 1,920 0.0%
CALL_PY_EXACT_ARGS 140 0.0%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL
Predecessors Count Percentage
RESUME_CHECK 80 50.0%
STORE_FAST 40 25.0%
LOAD_ATTR_METHOD_NO_DICT 20 12.5%
LOAD_GLOBAL_BUILTIN 20 12.5%
Successors Count Percentage
LOAD_GLOBAL_MODULE 120 75.0%
LOAD_GLOBAL_BUILTIN 40 25.0%

LOAD_SMALL_INT

Successors and predecessors for LOAD_SMALL_INT
Predecessors Count Percentage
LOAD_FAST 2,064,060 100.0%
STORE_FAST 60 0.0%
Successors Count Percentage
CALL_NON_PY_GENERAL 2,064,000 100.0%
STORE_FAST 60 0.0%
BINARY_SUBSCR_TUPLE_INT 40 0.0%
BINARY_SUBSCR 20 0.0%

LOAD_SPECIAL

Successors and predecessors for LOAD_SPECIAL
Predecessors Count Percentage
COPY 60 50.0%
SWAP 60 50.0%
Successors Count Percentage
SWAP 60 50.0%
CALL_METHOD_DESCRIPTOR_NOARGS 40 33.3%
CALL 20 16.7%

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_BOOL 4,128,000 66.7%
COMPARE_OP_INT 2,064,000 33.3%
TO_BOOL 60 0.0%
Successors Count Percentage
LOAD_FAST 4,128,060 66.7%
JUMP_FORWARD 2,064,000 33.3%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE
Predecessors Count Percentage
LOAD_FAST 12,384,060 100.0%
Successors Count Percentage
LOAD_FAST 12,384,000 100.0%
LOAD_CONST_MORTAL 60 0.0%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE
Predecessors Count Percentage
TO_BOOL 2,064,000 50.0%
TO_BOOL_STR 2,064,000 50.0%
TO_BOOL_BOOL 60 0.0%
Successors Count Percentage
LOAD_GLOBAL_MODULE 4,128,000 100.0%
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 2,064,060 49.9%
FOR_ITER_LIST 2,064,000 49.9%
CALL_NON_PY_GENERAL 3,840 0.1%
BINARY_OP_ADD_FLOAT 1,920 0.0%
FOR_ITER_RANGE 1,920 0.0%
Successors Count Percentage
LOAD_FAST 4,132,200 99.9%
LOAD_GLOBAL_MODULE 1,960 0.0%
LOAD_FAST_LOAD_FAST 1,920 0.0%
LOAD_CONST_IMMORTAL 240 0.0%
BUILD_LIST 60 0.0%

STORE_FAST_STORE_FAST

Successors and predecessors for STORE_FAST_STORE_FAST
Predecessors Count Percentage
UNPACK_SEQUENCE_TWO_TUPLE 4,128,180 100.0%
Successors Count Percentage
LOAD_FAST 2,064,120 50.0%
LOAD_FAST_LOAD_FAST 2,064,060 50.0%

SWAP

Successors and predecessors for SWAP
Predecessors Count Percentage
LOAD_SPECIAL 60 50.0%
SWAP 60 50.0%
Successors Count Percentage
LOAD_SPECIAL 60 50.0%
SWAP 60 50.0%

UNPACK_SEQUENCE

Successors and predecessors for UNPACK_SEQUENCE
Predecessors Count Percentage
RETURN_VALUE 20 50.0%
CALL_METHOD_DESCRIPTOR_NOARGS 20 50.0%
Successors Count Percentage
UNPACK_SEQUENCE_TWO_TUPLE 40 100.0%

BINARY_OP_ADD_FLOAT

Successors and predecessors for BINARY_OP_ADD_FLOAT
Predecessors Count Percentage
BINARY_OP_SUBTRACT_FLOAT 1,920 100.0%
Successors Count Percentage
STORE_FAST 1,920 100.0%

BINARY_OP_SUBTRACT_FLOAT

Successors and predecessors for BINARY_OP_SUBTRACT_FLOAT
Predecessors Count Percentage
LOAD_FAST 1,920 100.0%
Successors Count Percentage
BINARY_OP_ADD_FLOAT 1,920 100.0%

BINARY_SUBSCR_TUPLE_INT

Successors and predecessors for BINARY_SUBSCR_TUPLE_INT
Predecessors Count Percentage
LOAD_SMALL_INT 40 66.7%
BINARY_SUBSCR 20 33.3%
Successors Count Percentage
STORE_FAST 60 100.0%

CALL_BUILTIN_CLASS

Successors and predecessors for CALL_BUILTIN_CLASS
Predecessors Count Percentage
LOAD_FAST 40 66.7%
CALL 20 33.3%
Successors Count Percentage
GET_ITER 60 100.0%

CALL_BUILTIN_FAST

Successors and predecessors for CALL_BUILTIN_FAST
Predecessors Count Percentage
LOAD_FAST 60 100.0%
Successors Count Percentage
UNPACK_SEQUENCE_TWO_TUPLE 60 100.0%

CALL_BUILTIN_FAST_WITH_KEYWORDS

Successors and predecessors for CALL_BUILTIN_FAST_WITH_KEYWORDS
Predecessors Count Percentage
LOAD_GLOBAL_MODULE 40 66.7%
CALL 20 33.3%
Successors Count Percentage
COPY 60 100.0%

CALL_ISINSTANCE

Successors and predecessors for CALL_ISINSTANCE
Predecessors Count Percentage
LOAD_GLOBAL_BUILTIN 2,064,000 100.0%
Successors Count Percentage
TO_BOOL_BOOL 2,064,000 100.0%

CALL_KW_PY

Successors and predecessors for CALL_KW_PY
Predecessors Count Percentage
LOAD_CONST_MORTAL 2,064,000 100.0%
Successors Count Percentage
RESUME_CHECK 2,064,000 100.0%

CALL_LEN

Successors and predecessors for CALL_LEN
Predecessors Count Percentage
LOAD_FAST 2,064,000 100.0%
Successors Count Percentage
COMPARE_OP_INT 2,064,000 100.0%

CALL_LIST_APPEND

Successors and predecessors for CALL_LIST_APPEND
Predecessors Count Percentage
LOAD_FAST 1,920 97.0%
CALL_NON_PY_GENERAL 40 2.0%
CALL 20 1.0%
Successors Count Percentage
JUMP_BACKWARD_NO_JIT 1,920 97.0%
LOAD_FAST_LOAD_FAST 60 3.0%

CALL_METHOD_DESCRIPTOR_FAST

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST
Predecessors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 4,128,000 66.7%
LOAD_CONST_MORTAL 2,064,000 33.3%
LOAD_ATTR 40 0.0%
CALL 20 0.0%
Successors Count Percentage
STORE_FAST 2,064,060 33.3%
LOAD_CONST_MORTAL 2,064,000 33.3%
TO_BOOL_BOOL 2,064,000 33.3%

CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS
Predecessors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 40 66.7%
CALL 20 33.3%
Successors Count Percentage
STORE_FAST 60 100.0%

CALL_METHOD_DESCRIPTOR_NOARGS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_NOARGS
Predecessors Count Percentage
CALL 40 33.3%
LOAD_SPECIAL 40 33.3%
LOAD_ATTR_METHOD_NO_DICT 40 33.3%
Successors Count Percentage
STORE_FAST 60 50.0%
UNPACK_SEQUENCE_TWO_TUPLE 40 33.3%
UNPACK_SEQUENCE 20 16.7%

CALL_METHOD_DESCRIPTOR_O

Successors and predecessors for CALL_METHOD_DESCRIPTOR_O
Predecessors Count Percentage
BUILD_TUPLE 40 66.7%
CALL 20 33.3%
Successors Count Percentage
POP_TOP 60 100.0%

CALL_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 4,128,040 66.6%
LOAD_SMALL_INT 2,064,000 33.3%
PUSH_NULL 3,960 0.1%
CALL 100 0.0%
LOAD_CONST_IMMORTAL 40 0.0%
Successors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 4,128,000 66.6%
UNPACK_SEQUENCE_TWO_TUPLE 2,064,000 33.3%
STORE_FAST 3,840 0.1%
POP_TOP 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_LOAD_FAST 140 38.9%
CALL 100 27.8%
LOAD_FAST 40 11.1%
LOAD_ATTR_INSTANCE_VALUE 40 11.1%
LOAD_CONST_IMMORTAL 40 11.1%
Successors Count Percentage
RESUME_CHECK 300 83.3%
COPY_FREE_VARS 60 16.7%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL
Predecessors Count Percentage
LOAD_FAST 4,128,000 100.0%
LOAD_CONST_IMMORTAL 40 0.0%
CALL 20 0.0%
Successors Count Percentage
RESUME_CHECK 4,128,000 100.0%
MAKE_CELL 60 0.0%

COMPARE_OP_INT

Successors and predecessors for COMPARE_OP_INT
Predecessors Count Percentage
CALL_LEN 2,064,000 100.0%
Successors Count Percentage
POP_JUMP_IF_FALSE 2,064,000 100.0%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST
Predecessors Count Percentage
JUMP_BACKWARD_NO_JIT 2,064,000 99.9%
GET_ITER 1,920 0.1%
Successors Count Percentage
STORE_FAST 2,064,000 99.9%
POP_ITER 1,920 0.1%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE
Predecessors Count Percentage
JUMP_BACKWARD_NO_JIT 1,920 97.0%
GET_ITER 60 3.0%
Successors Count Percentage
STORE_FAST 1,920 97.0%
POP_ITER 60 3.0%

JUMP_BACKWARD_NO_JIT

Successors and predecessors for JUMP_BACKWARD_NO_JIT
Predecessors Count Percentage
POP_TOP 2,064,060 99.9%
CALL_LIST_APPEND 1,920 0.1%
Successors Count Percentage
FOR_ITER_LIST 2,064,000 99.9%
FOR_ITER_RANGE 1,920 0.1%
FOR_ITER 60 0.0%

LOAD_ATTR_CLASS

Successors and predecessors for LOAD_ATTR_CLASS
Predecessors Count Percentage
LOAD_GLOBAL_MODULE 60 100.0%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 60 100.0%

LOAD_ATTR_INSTANCE_VALUE

Successors and predecessors for LOAD_ATTR_INSTANCE_VALUE
Predecessors Count Percentage
LOAD_FAST 2,064,200 100.0%
LOAD_FAST_LOAD_FAST 100 0.0%
LOAD_ATTR 60 0.0%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 2,064,000 100.0%
LOAD_FAST 120 0.0%
LOAD_ATTR_METHOD_NO_DICT 80 0.0%
TO_BOOL 60 0.0%
LOAD_ATTR 40 0.0%

LOAD_ATTR_METHOD_NO_DICT

Successors and predecessors for LOAD_ATTR_METHOD_NO_DICT
Predecessors Count Percentage
CALL_NON_PY_GENERAL 4,128,000 66.6%
LOAD_FAST 2,065,960 33.4%
LOAD_ATTR 80 0.0%
LOAD_ATTR_INSTANCE_VALUE 80 0.0%
LOAD_FAST_CHECK 40 0.0%
Successors Count Percentage
CALL_METHOD_DESCRIPTOR_FAST 4,128,000 66.6%
LOAD_CONST_MORTAL 2,064,000 33.3%
LOAD_FAST 1,920 0.0%
LOAD_FAST_LOAD_FAST 60 0.0%
CALL 40 0.0%

LOAD_ATTR_METHOD_WITH_VALUES

Successors and predecessors for LOAD_ATTR_METHOD_WITH_VALUES
Predecessors Count Percentage
LOAD_FAST 2,064,080 50.0%
LOAD_GLOBAL_MODULE 2,064,000 50.0%
LOAD_ATTR 40 0.0%
Successors Count Percentage
LOAD_FAST 2,064,060 50.0%
LOAD_FAST_LOAD_FAST 2,064,060 50.0%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE
Predecessors Count Percentage
LOAD_GLOBAL_MODULE 2,067,960 100.0%
LOAD_ATTR 60 0.0%
Successors Count Percentage
PUSH_NULL 2,068,020 100.0%

LOAD_CONST_IMMORTAL

Successors and predecessors for LOAD_CONST_IMMORTAL
Predecessors Count Percentage
POP_TOP 240 23.5%
STORE_FAST 240 23.5%
LOAD_CONST_IMMORTAL 240 23.5%
LOAD_FAST 120 11.8%
STORE_ATTR_INSTANCE_VALUE 120 11.8%
Successors Count Percentage
RETURN_VALUE 300 29.4%
LOAD_CONST_IMMORTAL 240 23.5%
STORE_FAST 120 11.8%
BINARY_SLICE 60 5.9%
CALL 60 5.9%

LOAD_CONST_MORTAL

Successors and predecessors for LOAD_CONST_MORTAL
Predecessors Count Percentage
CALL_METHOD_DESCRIPTOR_FAST 2,064,000 50.0%
LOAD_ATTR_METHOD_NO_DICT 2,064,000 50.0%
BUILD_TUPLE 60 0.0%
POP_JUMP_IF_NOT_NONE 60 0.0%
Successors Count Percentage
CALL_KW_PY 2,064,000 50.0%
CALL_METHOD_DESCRIPTOR_FAST 2,064,000 50.0%
MAKE_FUNCTION 60 0.0%
STORE_FAST 60 0.0%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN
Predecessors Count Percentage
LOAD_FAST 4,128,000 66.7%
RESUME_CHECK 2,064,040 33.3%
LOAD_GLOBAL 40 0.0%
STORE_FAST 40 0.0%
Successors Count Percentage
LOAD_FAST 4,128,060 66.7%
CALL_ISINSTANCE 2,064,000 33.3%
LOAD_GLOBAL_MODULE 40 0.0%
LOAD_GLOBAL 20 0.0%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE
Predecessors Count Percentage
POP_JUMP_IF_TRUE 4,128,000 99.9%
STORE_FAST 1,960 0.0%
POP_ITER 1,920 0.0%
RESUME_CHECK 180 0.0%
LOAD_GLOBAL 120 0.0%
Successors Count Percentage
LOAD_ATTR_MODULE 2,067,960 50.0%
LOAD_ATTR_METHOD_WITH_VALUES 2,064,000 49.9%
LOAD_ATTR 60 0.0%
LOAD_FAST 60 0.0%
LOAD_FAST_LOAD_FAST 60 0.0%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK
Predecessors Count Percentage
CALL_PY_GENERAL 4,128,000 66.7%
CALL_KW_PY 2,064,000 33.3%
CALL_PY_EXACT_ARGS 300 0.0%
CACHE 180 0.0%
CALL_FUNCTION_EX 60 0.0%
Successors Count Percentage
LOAD_FAST 2,064,240 33.3%
LOAD_GLOBAL_BUILTIN 2,064,040 33.3%
NOP 2,064,000 33.3%
LOAD_GLOBAL_MODULE 180 0.0%
LOAD_GLOBAL 80 0.0%

STORE_ATTR_INSTANCE_VALUE

Successors and predecessors for STORE_ATTR_INSTANCE_VALUE
Predecessors Count Percentage
LOAD_FAST 120 66.7%
LOAD_FAST_LOAD_FAST 60 33.3%
Successors Count Percentage
LOAD_CONST_IMMORTAL 120 66.7%
LOAD_FAST 60 33.3%

TO_BOOL_BOOL

Successors and predecessors for TO_BOOL_BOOL
Predecessors Count Percentage
CALL_ISINSTANCE 2,064,000 50.0%
CALL_METHOD_DESCRIPTOR_FAST 2,064,000 50.0%
LOAD_FAST 40 0.0%
TO_BOOL 20 0.0%
Successors Count Percentage
POP_JUMP_IF_FALSE 4,128,000 100.0%
POP_JUMP_IF_TRUE 60 0.0%

TO_BOOL_STR

Successors and predecessors for TO_BOOL_STR
Predecessors Count Percentage
LOAD_FAST 2,064,000 100.0%
Successors Count Percentage
POP_JUMP_IF_TRUE 2,064,000 100.0%

UNPACK_SEQUENCE_TWO_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TWO_TUPLE
Predecessors Count Percentage
RETURN_VALUE 2,064,040 50.0%
CALL_NON_PY_GENERAL 2,064,000 50.0%
CALL_BUILTIN_FAST 60 0.0%
UNPACK_SEQUENCE 40 0.0%
CALL_METHOD_DESCRIPTOR_NOARGS 40 0.0%
Successors Count Percentage
STORE_FAST_STORE_FAST 4,128,180 100.0%

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.

60 1.5%
hit

Specialized instructions that complete.

3,780 96.9%
miss

Specialized instructions that deopt.

60 1.5%

BINARY_SLICE

specialization stats for BINARY_SLICE family
Kind Count Ratio
deferred

Lists the number of "deferred" (i.e. not specialized) instructions executed.

60 100.0%

BINARY_SUBSCR

specialization stats for BINARY_SUBSCR family
Kind Count Ratio
hit

Specialized instructions that complete.

60 75.0%
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.

10,322,760 100.0%
miss

Specialized instructions that deopt.

60 0.0%
Success Count Ratio
Success 380 100.0%
Failure 0 0.0%

COMPARE_OP

specialization stats for COMPARE_OP family
Kind Count Ratio
hit

Specialized instructions that complete.

2,064,000 100.0%

FOR_ITER

specialization stats for FOR_ITER family
Kind Count Ratio
deferred

Lists the number of "deferred" (i.e. not specialized) instructions executed.

60 0.0%
hit

Specialized instructions that complete.

2,067,900 100.0%

LOAD_ATTR

specialization stats for LOAD_ATTR family
Kind Count Ratio
deferred

Lists the number of "deferred" (i.e. not specialized) instructions executed.

180 0.0%
hit

Specialized instructions that complete.

14,454,720 100.0%
Success Count Ratio
Success 240 85.7%
Failure 40 14.3%
Failure kind Count Ratio
not managed dict 20 50.0%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family
Kind Count Ratio
hit

Specialized instructions that complete.

10,324,380 100.0%
Success Count Ratio
Success 160 100.0%
Failure 0 0.0%

STORE_ATTR

specialization stats for STORE_ATTR family
Kind Count Ratio
hit

Specialized instructions that complete.

180 100.0%

TO_BOOL

specialization stats for TO_BOOL family
Kind Count Ratio
deferred

Lists the number of "deferred" (i.e. not specialized) instructions executed.

2,064,060 25.0%
hit

Specialized instructions that complete.

6,192,060 75.0%
Success Count Ratio
Success 20 3.7%
Failure 520 96.3%
Failure kind Count Ratio
dict 500 96.2%
sequence 20 3.8%

UNPACK_SEQUENCE

specialization stats for UNPACK_SEQUENCE family
Kind Count Ratio
hit

Specialized instructions that complete.

4,128,180 100.0%
Success Count Ratio
Success 40 100.0%
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.

101,168,040 57.0%
Not specialized

Instructions that could be specialized but aren't, e.g. LOAD_ATTR, BINARY_SLICE.

2,065,840 1.2%
Specialized hits

Specialized instructions, e.g. LOAD_ATTR_MODULE that complete.

74,334,000 41.9%
Specialized misses

Specialized instructions, e.g. LOAD_ATTR_MODULE that deopt.

120 0.0%

Deferred by instruction

Breakdown of deferred (not specialized) instruction counts by family
Name Count Ratio
TO_BOOL 2,064,060 100.0%
LOAD_ATTR 180 0.0%
BINARY_SLICE 60 0.0%
BINARY_OP 60 0.0%
FOR_ITER 60 0.0%
STORE_SLICE 0 0.0%
CACHE 0 0.0%
BINARY_SUBSCR 0 0.0%
CALL_FUNCTION_EX 0 0.0%
GET_ITER 0 0.0%

Misses by instruction

Breakdown of misses (specialized deopts) instruction counts by family
Name Count Ratio
BINARY_OP_ADD_FLOAT 60 50.0%
CALL_METHOD_DESCRIPTOR_NOARGS 60 50.0%
CACHE 0 0.0%
CALL_FUNCTION_EX 0 0.0%
GET_ITER 0 0.0%
INTERPRETER_EXIT 0 0.0%
MAKE_FUNCTION 0 0.0%
NOP 0 0.0%
POP_ITER 0 0.0%
POP_TOP 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 180 0.0%
Calls to Python functions inlined 6,192,480 100.0%
Calls via PyEval_EvalFrame (total) 180 0.0%
Calls via PyEval_EvalFrame (vector) 180 0.0%
Calls via PyEval_EvalFrame (generator) 0 0.0%
Calls via PyEval_EvalFrame (legacy) 0 0.0%
Calls via PyEval_EvalFrame (function vectorcall) 180 0.0%
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) 60 0.0%
Calls via PyEval_EvalFrame (method) 0 0.0%
Frame objects created 0 0.0%
Frames pushed 6,192,660 100.0%

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 82,569,280 49.4%
Frees to freelist 82,569,220
Allocations 84,728,420 50.6%
Allocations to 512 bytes 84,626,540 50.6%
Allocations to 4 kbytes 101,580 0.1%
Allocations over 4 kbytes 300 0.0%
Frees 88,856,414
Inline values 60
Interpreter mortal increfs 86,714,580 21.6%
Interpreter mortal decrefs 97,037,680 22.0%
Mortal increfs 190,030,913 47.4%
Mortal decrefs 278,892,788 63.1%
Interpreter immortal increfs 16,513,320 4.1%
Interpreter immortal decrefs 20,643,600 4.7%
Immortal increfs 107,366,975 26.8%
Immortal decrefs 45,275,700 10.2%
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 2,666
Method cache misses 494
Method cache collisions 457
Method cache dunder hits 180
Method cache dunder misses 0

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

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