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Pystats results

  • benchmark: meteor_contest
  • fork: python
  • ref: cf4c4ecc26c7e3b89f2e56893260a8a3319dab3d
  • commit hash: cf4c4ec
  • commit date: 2025-02-01T18:49:45+02:00

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
STORE_FAST 64,603,500 13.3% 13.3%
LOAD_FAST 60,489,780 12.5% 25.8%
LOAD_FAST_LOAD_FAST 58,566,900 12.1% 37.8%
JUMP_BACKWARD_NO_JIT 46,731,240 9.6% 47.4%
FOR_ITER_LIST 38,009,220 7.8% 55.3%
POP_JUMP_IF_TRUE 31,296,000 6.4% 61.7%
COMPARE_OP 26,469,600 5.4% 67.1%
FOR_ITER 18,532,340 3.8% 71.0%
STORE_SUBSCR_LIST_INT 15,439,800 3.2% 74.1%
LOAD_GLOBAL_BUILTIN 14,097,240 2.9% 77.0%
EXTENDED_ARG 11,543,400 2.4% 79.4%
CALL_LEN 11,007,180 2.3% 81.7%
COMPARE_OP_INT 11,007,000 2.3% 83.9%
GET_ITER 9,805,920 2.0% 86.0%
BINARY_SUBSCR_LIST_INT 9,804,060 2.0% 88.0%
POP_ITER 9,803,100 2.0% 90.0%
LOAD_SMALL_INT 6,174,240 1.3% 91.3%
POP_JUMP_IF_FALSE 6,174,240 1.3% 92.5%
BINARY_OP 6,173,940 1.3% 93.8%
BINARY_SUBSCR 4,977,720 1.0% 94.8%
LOAD_CONST_MORTAL 4,976,580 1.0% 95.9%
POP_TOP 3,780,240 0.8% 96.6%
CALL_BUILTIN_FAST_WITH_KEYWORDS 3,089,760 0.6% 97.3%
LOAD_ATTR_METHOD_NO_DICT 1,892,220 0.4% 97.7%
LOAD_CONST_IMMORTAL 1,889,220 0.4% 98.1%
CALL_METHOD_DESCRIPTOR_O 1,888,560 0.4% 98.4%
RETURN_VALUE 1,887,180 0.4% 98.8%
RESUME_CHECK 1,887,180 0.4% 99.2%
LOAD_GLOBAL_MODULE 1,887,120 0.4% 99.6%
CALL_PY_GENERAL 1,886,820 0.4% 100.0%
PUSH_NULL 4,140 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_FAST 3,600 0.0% 100.0%
CALL_BUILTIN_CLASS 2,100 0.0% 100.0%
CALL 420 0.0% 100.0%
LOAD_ATTR 300 0.0% 100.0%
LOAD_GLOBAL 300 0.0% 100.0%
CALL_NON_PY_GENERAL 300 0.0% 100.0%
CALL_PY_EXACT_ARGS 240 0.0% 100.0%
LOAD_ATTR_INSTANCE_VALUE 240 0.0% 100.0%
LOAD_ATTR_MODULE 240 0.0% 100.0%
BUILD_LIST 180 0.0% 100.0%
CALL_FUNCTION_EX 120 0.0% 100.0%
BUILD_TUPLE 120 0.0% 100.0%
LOAD_DEREF 120 0.0% 100.0%
FOR_ITER_RANGE 120 0.0% 100.0%
LOAD_ATTR_METHOD_WITH_VALUES 120 0.0% 100.0%
TO_BOOL 100 0.0% 100.0%
MAKE_FUNCTION 60 0.0% 100.0%
NOP 60 0.0% 100.0%
CALL_INTRINSIC_1 60 0.0% 100.0%
COPY_FREE_VARS 60 0.0% 100.0%
IS_OP 60 0.0% 100.0%
JUMP_FORWARD 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%
POP_JUMP_IF_NOT_NONE 60 0.0% 100.0%
SET_FUNCTION_ATTRIBUTE 60 0.0% 100.0%
STORE_DEREF 60 0.0% 100.0%
STORE_FAST_STORE_FAST 60 0.0% 100.0%
BINARY_OP_SUBTRACT_FLOAT 60 0.0% 100.0%
BINARY_SUBSCR_TUPLE_INT 60 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_NOARGS 60 0.0% 100.0%
TO_BOOL_BOOL 60 0.0% 100.0%
UNPACK_SEQUENCE_TWO_TUPLE 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
STORE_FAST LOAD_FAST_LOAD_FAST 46,734,000 9.6% 9.6%
FOR_ITER_LIST STORE_FAST 31,294,200 6.4% 16.1%
COMPARE_OP POP_JUMP_IF_TRUE 26,463,060 5.4% 21.5%
LOAD_FAST_LOAD_FAST COMPARE_OP 26,463,060 5.4% 27.0%
JUMP_BACKWARD_NO_JIT FOR_ITER_LIST 26,463,000 5.4% 32.4%
POP_JUMP_IF_TRUE JUMP_BACKWARD_NO_JIT 23,376,840 4.8% 37.2%
LOAD_FAST_LOAD_FAST LOAD_FAST 22,299,480 4.6% 41.8%
JUMP_BACKWARD_NO_JIT FOR_ITER 15,439,860 3.2% 45.0%
FOR_ITER STORE_FAST 15,439,800 3.2% 48.2%
LOAD_FAST STORE_SUBSCR_LIST_INT 15,439,800 3.2% 51.3%
STORE_SUBSCR_LIST_INT JUMP_BACKWARD_NO_JIT 15,439,800 3.2% 54.5%
STORE_FAST LOAD_FAST 11,696,460 2.4% 56.9%
LOAD_GLOBAL_BUILTIN LOAD_FAST 11,009,040 2.3% 59.2%
LOAD_FAST GET_ITER 9,805,920 2.0% 61.2%
LOAD_FAST CALL_LEN 7,920,960 1.6% 62.8%
POP_ITER LOAD_GLOBAL_BUILTIN 7,919,040 1.6% 64.5%
LOAD_FAST_LOAD_FAST BINARY_SUBSCR_LIST_INT 6,717,900 1.4% 65.9%
BINARY_SUBSCR_LIST_INT STORE_FAST 6,717,900 1.4% 67.2%
EXTENDED_ARG FOR_ITER_LIST 6,715,080 1.4% 68.6%
FOR_ITER_LIST POP_ITER 6,715,020 1.4% 70.0%
LOAD_SMALL_INT COMPARE_OP_INT 6,174,120 1.3% 71.3%
CALL_LEN LOAD_SMALL_INT 6,174,120 1.3% 72.5%
COMPARE_OP_INT POP_JUMP_IF_FALSE 6,174,120 1.3% 73.8%
STORE_FAST LOAD_GLOBAL_BUILTIN 6,172,400 1.3% 75.1%
BINARY_SUBSCR STORE_FAST 4,976,460 1.0% 76.1%
LOAD_FAST LOAD_CONST_MORTAL 4,976,460 1.0% 77.1%
LOAD_CONST_MORTAL BINARY_SUBSCR 4,976,460 1.0% 78.2%
LOAD_FAST COMPARE_OP_INT 4,832,880 1.0% 79.2%
CALL_LEN LOAD_FAST 4,832,880 1.0% 80.2%
COMPARE_OP_INT POP_JUMP_IF_TRUE 4,832,880 1.0% 81.1%
GET_ITER FOR_ITER_LIST 4,831,140 1.0% 82.1%
EXTENDED_ARG JUMP_BACKWARD_NO_JIT 4,828,320 1.0% 83.1%
POP_JUMP_IF_TRUE EXTENDED_ARG 4,828,320 1.0% 84.1%
JUMP_BACKWARD_NO_JIT EXTENDED_ARG 4,828,320 1.0% 85.1%
LOAD_FAST LOAD_FAST_LOAD_FAST 3,773,460 0.8% 85.9%
LOAD_FAST CALL_BUILTIN_FAST_WITH_KEYWORDS 3,089,760 0.6% 86.5%
FOR_ITER POP_ITER 3,088,020 0.6% 87.2%
GET_ITER FOR_ITER 3,087,960 0.6% 87.8%
POP_JUMP_IF_TRUE LOAD_FAST 3,087,960 0.6% 88.4%
BINARY_OP STORE_FAST 3,086,220 0.6% 89.1%
BINARY_OP CALL_LEN 3,086,160 0.6% 89.7%
LOAD_FAST BINARY_SUBSCR_LIST_INT 3,086,160 0.6% 90.3%
LOAD_FAST_LOAD_FAST BINARY_OP 3,086,160 0.6% 91.0%
POP_JUMP_IF_FALSE LOAD_FAST_LOAD_FAST 3,086,160 0.6% 91.6%
BINARY_SUBSCR_LIST_INT BINARY_OP 3,086,160 0.6% 92.3%
CALL_BUILTIN_FAST_WITH_KEYWORDS STORE_FAST 3,086,160 0.6% 92.9%
LOAD_GLOBAL_BUILTIN LOAD_FAST_LOAD_FAST 3,086,160 0.6% 93.5%
LOAD_FAST LOAD_FAST 1,890,300 0.4% 93.9%
LOAD_FAST LOAD_ATTR_METHOD_NO_DICT 1,890,300 0.4% 94.3%
LOAD_ATTR_METHOD_NO_DICT LOAD_FAST 1,890,300 0.4% 94.7%
RETURN_VALUE POP_TOP 1,886,940 0.4% 95.1%
LOAD_CONST_IMMORTAL RETURN_VALUE 1,886,940 0.4% 95.5%
POP_TOP JUMP_BACKWARD_NO_JIT 1,886,820 0.4% 95.9%
POP_JUMP_IF_FALSE LOAD_FAST 1,886,820 0.4% 96.2%
GET_ITER EXTENDED_ARG 1,886,760 0.4% 96.6%
CALL_METHOD_DESCRIPTOR_O POP_TOP 1,886,760 0.4% 97.0%
CALL_PY_GENERAL RESUME_CHECK 1,886,760 0.4% 97.4%
LOAD_GLOBAL_MODULE LOAD_FAST 1,886,760 0.4% 97.8%
RESUME_CHECK LOAD_FAST_LOAD_FAST 1,886,760 0.4% 98.2%
LOAD_FAST CALL_PY_GENERAL 1,886,740 0.4% 98.6%
POP_TOP LOAD_GLOBAL_MODULE 1,886,700 0.4% 99.0%
LOAD_FAST CALL_METHOD_DESCRIPTOR_O 1,886,700 0.4% 99.4%
POP_ITER LOAD_CONST_IMMORTAL 1,883,940 0.4% 99.7%
POP_JUMP_IF_FALSE JUMP_BACKWARD_NO_JIT 1,199,460 0.2% 100.0%
COMPARE_OP COMPARE_OP 6,480 0.0% 100.0%
FOR_ITER FOR_ITER 4,520 0.0% 100.0%
LOAD_FAST PUSH_NULL 3,780 0.0% 100.0%
PUSH_NULL LOAD_FAST 3,720 0.0% 100.0%
LOAD_FAST CALL_METHOD_DESCRIPTOR_FAST 3,600 0.0% 100.0%
CALL_BUILTIN_FAST_WITH_KEYWORDS LOAD_FAST 3,600 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_FAST POP_TOP 3,600 0.0% 100.0%
POP_TOP LOAD_CONST_IMMORTAL 3,000 0.0% 100.0%
POP_JUMP_IF_TRUE POP_TOP 2,820 0.0% 100.0%
LOAD_GLOBAL_BUILTIN LOAD_GLOBAL_BUILTIN 1,960 0.0% 100.0%
POP_TOP LOAD_FAST 1,860 0.0% 100.0%
LOAD_FAST CALL_BUILTIN_CLASS 1,840 0.0% 100.0%
POP_TOP LOAD_GLOBAL_BUILTIN 1,800 0.0% 100.0%
POP_JUMP_IF_FALSE LOAD_CONST_IMMORTAL 1,800 0.0% 100.0%
CALL_BUILTIN_CLASS CALL_METHOD_DESCRIPTOR_O 1,800 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_O STORE_FAST 1,800 0.0% 100.0%
LOAD_ATTR_METHOD_NO_DICT LOAD_GLOBAL_BUILTIN 1,800 0.0% 100.0%
LOAD_CONST_IMMORTAL LOAD_ATTR_METHOD_NO_DICT 1,800 0.0% 100.0%
BINARY_OP BINARY_OP 1,540 0.0% 100.0%
BINARY_SUBSCR BINARY_SUBSCR 1,240 0.0% 100.0%
STORE_FAST LOAD_CONST_IMMORTAL 240 0.0% 100.0%
LOAD_ATTR_MODULE PUSH_NULL 240 0.0% 100.0%
RETURN_VALUE STORE_FAST 180 0.0% 100.0%
CALL_BUILTIN_CLASS STORE_FAST 180 0.0% 100.0%
CALL_PY_EXACT_ARGS RESUME_CHECK 180 0.0% 100.0%
RESUME_CHECK LOAD_FAST 180 0.0% 100.0%
PUSH_NULL CALL_NON_PY_GENERAL 160 0.0% 100.0%
LOAD_GLOBAL LOAD_GLOBAL_BUILTIN 160 0.0% 100.0%
LOAD_GLOBAL_MODULE LOAD_ATTR_MODULE 160 0.0% 100.0%
LOAD_FAST LOAD_ATTR 140 0.0% 100.0%
LOAD_FAST LOAD_ATTR_INSTANCE_VALUE 140 0.0% 100.0%
LOAD_GLOBAL LOAD_GLOBAL_MODULE 140 0.0% 100.0%
PUSH_NULL CALL_FUNCTION_EX 120 0.0% 100.0%
LOAD_FAST RETURN_VALUE 120 0.0% 100.0%
LOAD_FAST LOAD_SMALL_INT 120 0.0% 100.0%
LOAD_FAST LOAD_CONST_IMMORTAL 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.

CACHE

Successors and predecessors for CACHE
Successors Count Percentage
RESUME_CHECK 60 100.0%

BINARY_SUBSCR

Successors and predecessors for BINARY_SUBSCR
Predecessors Count Percentage
LOAD_CONST_MORTAL 4,976,460 100.0%
BINARY_SUBSCR 1,240 0.0%
LOAD_SMALL_INT 20 0.0%
Successors Count Percentage
STORE_FAST 4,976,460 100.0%
BINARY_SUBSCR 1,240 0.0%
BINARY_SUBSCR_TUPLE_INT 20 0.0%

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 9,805,920 100.0%
Successors Count Percentage
FOR_ITER_LIST 4,831,140 49.3%
FOR_ITER 3,087,960 31.5%
EXTENDED_ARG 1,886,760 19.2%
FOR_ITER_RANGE 60 0.0%

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_JUMP_IF_TRUE 60 100.0%
Successors Count Percentage
LOAD_FAST 60 100.0%

POP_ITER

Successors and predecessors for POP_ITER
Predecessors Count Percentage
FOR_ITER_LIST 6,715,020 68.5%
FOR_ITER 3,088,020 31.5%
FOR_ITER_RANGE 60 0.0%
Successors Count Percentage
LOAD_GLOBAL_BUILTIN 7,919,040 80.8%
LOAD_CONST_IMMORTAL 1,883,940 19.2%
LOAD_FAST 60 0.0%
LOAD_GLOBAL_MODULE 40 0.0%
LOAD_GLOBAL 20 0.0%

POP_TOP

Successors and predecessors for POP_TOP
Predecessors Count Percentage
RETURN_VALUE 1,886,940 49.9%
CALL_METHOD_DESCRIPTOR_O 1,886,760 49.9%
CALL_METHOD_DESCRIPTOR_FAST 3,600 0.1%
POP_JUMP_IF_TRUE 2,820 0.1%
POP_TOP 60 0.0%
Successors Count Percentage
JUMP_BACKWARD_NO_JIT 1,886,820 49.9%
LOAD_GLOBAL_MODULE 1,886,700 49.9%
LOAD_CONST_IMMORTAL 3,000 0.1%
LOAD_FAST 1,860 0.0%
LOAD_GLOBAL_BUILTIN 1,800 0.0%

PUSH_NULL

Successors and predecessors for PUSH_NULL
Predecessors Count Percentage
LOAD_FAST 3,780 91.3%
LOAD_ATTR_MODULE 240 5.8%
CALL_INTRINSIC_1 60 1.4%
LOAD_DEREF 60 1.4%
Successors Count Percentage
LOAD_FAST 3,720 89.9%
CALL_NON_PY_GENERAL 160 3.9%
CALL_FUNCTION_EX 120 2.9%
CALL 80 1.9%
LOAD_FAST_LOAD_FAST 60 1.4%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE
Predecessors Count Percentage
LOAD_CONST_IMMORTAL 1,886,940 100.0%
LOAD_FAST 120 0.0%
RETURN_VALUE 60 0.0%
CALL_NON_PY_GENERAL 60 0.0%
Successors Count Percentage
POP_TOP 1,886,940 100.0%
STORE_FAST 180 0.0%
RETURN_VALUE 60 0.0%

TO_BOOL

Successors and predecessors for TO_BOOL
Predecessors Count Percentage
LOAD_ATTR_INSTANCE_VALUE 60 60.0%
TO_BOOL 20 20.0%
LOAD_FAST 20 20.0%
Successors Count Percentage
POP_JUMP_IF_FALSE 60 60.0%
TO_BOOL 20 20.0%
TO_BOOL_BOOL 20 20.0%

BINARY_OP

Successors and predecessors for BINARY_OP
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 3,086,160 50.0%
BINARY_SUBSCR_LIST_INT 3,086,160 50.0%
BINARY_OP 1,540 0.0%
CALL_LEN 60 0.0%
LOAD_FAST 20 0.0%
Successors Count Percentage
STORE_FAST 3,086,220 50.0%
CALL_LEN 3,086,160 50.0%
BINARY_OP 1,540 0.0%
BINARY_OP_SUBTRACT_FLOAT 20 0.0%

BUILD_LIST

Successors and predecessors for BUILD_LIST
Predecessors Count Percentage
LOAD_FAST 60 33.3%
STORE_FAST 60 33.3%
LOAD_CONST_IMMORTAL 60 33.3%
Successors Count Percentage
LOAD_DEREF 60 33.3%
STORE_FAST 60 33.3%
LOAD_GLOBAL_BUILTIN 40 22.2%
LOAD_GLOBAL 20 11.1%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE
Predecessors Count Percentage
LOAD_FAST 60 50.0%
LOAD_FAST_LOAD_FAST 60 50.0%
Successors Count Percentage
LOAD_CONST_MORTAL 60 50.0%
CALL_METHOD_DESCRIPTOR_O 40 33.3%
CALL 20 16.7%

CALL

Successors and predecessors for CALL
Predecessors Count Percentage
LOAD_FAST 100 23.8%
PUSH_NULL 80 19.0%
LOAD_FAST_LOAD_FAST 60 14.3%
CALL_BUILTIN_CLASS 40 9.5%
CALL_LEN 40 9.5%
Successors Count Percentage
CALL_BUILTIN_CLASS 100 23.8%
CALL_NON_PY_GENERAL 100 23.8%
CALL_PY_EXACT_ARGS 80 19.0%
CALL_LEN 60 14.3%
CALL_PY_GENERAL 40 9.5%

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_FAST_LOAD_FAST 26,463,060 100.0%
COMPARE_OP 6,480 0.0%
LOAD_GLOBAL_MODULE 60 0.0%
Successors Count Percentage
POP_JUMP_IF_TRUE 26,463,060 100.0%
COMPARE_OP 6,480 0.0%
POP_JUMP_IF_FALSE 60 0.0%

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%

EXTENDED_ARG

Successors and predecessors for EXTENDED_ARG
Predecessors Count Percentage
POP_JUMP_IF_TRUE 4,828,320 41.8%
JUMP_BACKWARD_NO_JIT 4,828,320 41.8%
GET_ITER 1,886,760 16.3%
Successors Count Percentage
FOR_ITER_LIST 6,715,080 58.2%
JUMP_BACKWARD_NO_JIT 4,828,320 41.8%

FOR_ITER

Successors and predecessors for FOR_ITER
Predecessors Count Percentage
JUMP_BACKWARD_NO_JIT 15,439,860 83.3%
GET_ITER 3,087,960 16.7%
FOR_ITER 4,520 0.0%
Successors Count Percentage
STORE_FAST 15,439,800 83.3%
POP_ITER 3,088,020 16.7%
FOR_ITER 4,520 0.0%

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
STORE_FAST 60 100.0%
Successors Count Percentage
LOAD_FAST 60 100.0%

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 140 46.7%
LOAD_GLOBAL_MODULE 80 26.7%
LOAD_ATTR_INSTANCE_VALUE 40 13.3%
LOAD_ATTR 20 6.7%
LOAD_FAST_LOAD_FAST 20 6.7%
Successors Count Percentage
LOAD_ATTR_MODULE 80 26.7%
LOAD_FAST_LOAD_FAST 60 20.0%
LOAD_ATTR_INSTANCE_VALUE 60 20.0%
LOAD_ATTR_METHOD_NO_DICT 40 13.3%
LOAD_ATTR_METHOD_WITH_VALUES 40 13.3%

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
LOAD_FAST_LOAD_FAST 22,299,480 36.9%
STORE_FAST 11,696,460 19.3%
LOAD_GLOBAL_BUILTIN 11,009,040 18.2%
CALL_LEN 4,832,880 8.0%
POP_JUMP_IF_TRUE 3,087,960 5.1%
Successors Count Percentage
STORE_SUBSCR_LIST_INT 15,439,800 25.5%
GET_ITER 9,805,920 16.2%
CALL_LEN 7,920,960 13.1%
LOAD_CONST_MORTAL 4,976,460 8.2%
COMPARE_OP_INT 4,832,880 8.0%

LOAD_FAST_CHECK

Successors and predecessors for LOAD_FAST_CHECK
Predecessors Count Percentage
STORE_FAST 60 100.0%
Successors Count Percentage
LOAD_GLOBAL_MODULE 40 66.7%
LOAD_GLOBAL 20 33.3%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST
Predecessors Count Percentage
STORE_FAST 46,734,000 79.8%
LOAD_FAST 3,773,460 6.4%
POP_JUMP_IF_FALSE 3,086,160 5.3%
LOAD_GLOBAL_BUILTIN 3,086,160 5.3%
RESUME_CHECK 1,886,760 3.2%
Successors Count Percentage
COMPARE_OP 26,463,060 45.2%
LOAD_FAST 22,299,480 38.1%
BINARY_SUBSCR_LIST_INT 6,717,900 11.5%
BINARY_OP 3,086,160 5.3%
CALL_PY_EXACT_ARGS 80 0.0%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL
Predecessors Count Percentage
STORE_FAST 100 33.3%
LOAD_GLOBAL_BUILTIN 80 26.7%
RESUME_CHECK 60 20.0%
POP_ITER 20 6.7%
BUILD_LIST 20 6.7%
Successors Count Percentage
LOAD_GLOBAL_BUILTIN 160 53.3%
LOAD_GLOBAL_MODULE 140 46.7%

LOAD_SMALL_INT

Successors and predecessors for LOAD_SMALL_INT
Predecessors Count Percentage
CALL_LEN 6,174,120 100.0%
LOAD_FAST 120 0.0%
Successors Count Percentage
COMPARE_OP_INT 6,174,120 100.0%
LOAD_FAST_LOAD_FAST 60 0.0%
BINARY_SUBSCR_TUPLE_INT 40 0.0%
BINARY_SUBSCR 20 0.0%

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
COMPARE_OP_INT 6,174,120 100.0%
TO_BOOL 60 0.0%
COMPARE_OP 60 0.0%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 3,086,160 50.0%
LOAD_FAST 1,886,820 30.6%
JUMP_BACKWARD_NO_JIT 1,199,460 19.4%
LOAD_CONST_IMMORTAL 1,800 0.0%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE
Predecessors Count Percentage
LOAD_FAST 60 100.0%
Successors Count Percentage
LOAD_CONST_MORTAL 60 100.0%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE
Predecessors Count Percentage
COMPARE_OP 26,463,060 84.6%
COMPARE_OP_INT 4,832,880 15.4%
TO_BOOL_BOOL 60 0.0%
Successors Count Percentage
JUMP_BACKWARD_NO_JIT 23,376,840 74.7%
EXTENDED_ARG 4,828,320 15.4%
LOAD_FAST 3,087,960 9.9%
POP_TOP 2,820 0.0%
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
FOR_ITER_LIST 31,294,200 48.4%
FOR_ITER 15,439,800 23.9%
BINARY_SUBSCR_LIST_INT 6,717,900 10.4%
BINARY_SUBSCR 4,976,460 7.7%
BINARY_OP 3,086,220 4.8%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 46,734,000 72.3%
LOAD_FAST 11,696,460 18.1%
LOAD_GLOBAL_BUILTIN 6,172,400 9.6%
LOAD_CONST_IMMORTAL 240 0.0%
LOAD_GLOBAL_MODULE 120 0.0%

STORE_FAST_STORE_FAST

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

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_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_SUBSCR_LIST_INT

Successors and predecessors for BINARY_SUBSCR_LIST_INT
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 6,717,900 68.5%
LOAD_FAST 3,086,160 31.5%
Successors Count Percentage
STORE_FAST 6,717,900 68.5%
BINARY_OP 3,086,160 31.5%

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 1,840 87.6%
CALL 100 4.8%
CALL_BUILTIN_CLASS 80 3.8%
CALL_LEN 80 3.8%
Successors Count Percentage
CALL_METHOD_DESCRIPTOR_O 1,800 85.7%
STORE_FAST 180 8.6%
CALL_BUILTIN_CLASS 80 3.8%
CALL 40 1.9%

CALL_BUILTIN_FAST_WITH_KEYWORDS

Successors and predecessors for CALL_BUILTIN_FAST_WITH_KEYWORDS
Predecessors Count Percentage
LOAD_FAST 3,089,760 100.0%
Successors Count Percentage
STORE_FAST 3,086,160 99.9%
LOAD_FAST 3,600 0.1%

CALL_LEN

Successors and predecessors for CALL_LEN
Predecessors Count Percentage
LOAD_FAST 7,920,960 72.0%
BINARY_OP 3,086,160 28.0%
CALL 60 0.0%
Successors Count Percentage
LOAD_SMALL_INT 6,174,120 56.1%
LOAD_FAST 4,832,880 43.9%
CALL_BUILTIN_CLASS 80 0.0%
BINARY_OP 60 0.0%
CALL 40 0.0%

CALL_METHOD_DESCRIPTOR_FAST

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST
Predecessors Count Percentage
LOAD_FAST 3,600 100.0%
Successors Count Percentage
POP_TOP 3,600 100.0%

CALL_METHOD_DESCRIPTOR_NOARGS

Successors and predecessors for CALL_METHOD_DESCRIPTOR_NOARGS
Predecessors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 40 66.7%
CALL 20 33.3%
Successors Count Percentage
UNPACK_SEQUENCE_TWO_TUPLE 40 66.7%
UNPACK_SEQUENCE 20 33.3%

CALL_METHOD_DESCRIPTOR_O

Successors and predecessors for CALL_METHOD_DESCRIPTOR_O
Predecessors Count Percentage
LOAD_FAST 1,886,700 99.9%
CALL_BUILTIN_CLASS 1,800 0.1%
BUILD_TUPLE 40 0.0%
CALL 20 0.0%
Successors Count Percentage
POP_TOP 1,886,760 99.9%
STORE_FAST 1,800 0.1%

CALL_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL
Predecessors Count Percentage
PUSH_NULL 160 53.3%
CALL 100 33.3%
LOAD_FAST_LOAD_FAST 40 13.3%
Successors Count Percentage
POP_TOP 60 20.0%
RETURN_VALUE 60 20.0%
LOAD_FAST 60 20.0%
STORE_DEREF 60 20.0%
STORE_FAST 60 20.0%

CALL_PY_EXACT_ARGS

Successors and predecessors for CALL_PY_EXACT_ARGS
Predecessors Count Percentage
CALL 80 33.3%
LOAD_FAST_LOAD_FAST 80 33.3%
LOAD_ATTR_INSTANCE_VALUE 40 16.7%
LOAD_CONST_IMMORTAL 40 16.7%
Successors Count Percentage
RESUME_CHECK 180 75.0%
COPY_FREE_VARS 60 25.0%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL
Predecessors Count Percentage
LOAD_FAST 1,886,740 100.0%
CALL 40 0.0%
LOAD_CONST_IMMORTAL 40 0.0%
Successors Count Percentage
RESUME_CHECK 1,886,760 100.0%
MAKE_CELL 60 0.0%

COMPARE_OP_INT

Successors and predecessors for COMPARE_OP_INT
Predecessors Count Percentage
LOAD_SMALL_INT 6,174,120 56.1%
LOAD_FAST 4,832,880 43.9%
Successors Count Percentage
POP_JUMP_IF_FALSE 6,174,120 56.1%
POP_JUMP_IF_TRUE 4,832,880 43.9%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST
Predecessors Count Percentage
JUMP_BACKWARD_NO_JIT 26,463,000 69.6%
EXTENDED_ARG 6,715,080 17.7%
GET_ITER 4,831,140 12.7%
Successors Count Percentage
STORE_FAST 31,294,200 82.3%
POP_ITER 6,715,020 17.7%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE
Predecessors Count Percentage
GET_ITER 60 50.0%
JUMP_BACKWARD_NO_JIT 60 50.0%
Successors Count Percentage
POP_ITER 60 50.0%
STORE_FAST 60 50.0%

JUMP_BACKWARD_NO_JIT

Successors and predecessors for JUMP_BACKWARD_NO_JIT
Predecessors Count Percentage
POP_JUMP_IF_TRUE 23,376,840 50.0%
STORE_SUBSCR_LIST_INT 15,439,800 33.0%
EXTENDED_ARG 4,828,320 10.3%
POP_TOP 1,886,820 4.0%
POP_JUMP_IF_FALSE 1,199,460 2.6%
Successors Count Percentage
FOR_ITER_LIST 26,463,000 56.6%
FOR_ITER 15,439,860 33.0%
EXTENDED_ARG 4,828,320 10.3%
FOR_ITER_RANGE 60 0.0%

LOAD_ATTR_INSTANCE_VALUE

Successors and predecessors for LOAD_ATTR_INSTANCE_VALUE
Predecessors Count Percentage
LOAD_FAST 140 58.3%
LOAD_ATTR 60 25.0%
LOAD_FAST_LOAD_FAST 40 16.7%
Successors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 80 33.3%
TO_BOOL 60 25.0%
LOAD_ATTR 40 16.7%
CALL_PY_EXACT_ARGS 40 16.7%
CALL 20 8.3%

LOAD_ATTR_METHOD_NO_DICT

Successors and predecessors for LOAD_ATTR_METHOD_NO_DICT
Predecessors Count Percentage
LOAD_FAST 1,890,300 99.9%
LOAD_CONST_IMMORTAL 1,800 0.1%
LOAD_ATTR_INSTANCE_VALUE 80 0.0%
LOAD_ATTR 40 0.0%
Successors Count Percentage
LOAD_FAST 1,890,300 99.9%
LOAD_GLOBAL_BUILTIN 1,800 0.1%
LOAD_FAST_LOAD_FAST 60 0.0%
CALL_METHOD_DESCRIPTOR_NOARGS 40 0.0%
CALL 20 0.0%

LOAD_ATTR_METHOD_WITH_VALUES

Successors and predecessors for LOAD_ATTR_METHOD_WITH_VALUES
Predecessors Count Percentage
LOAD_FAST 80 66.7%
LOAD_ATTR 40 33.3%
Successors Count Percentage
LOAD_FAST 60 50.0%
LOAD_FAST_LOAD_FAST 60 50.0%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE
Predecessors Count Percentage
LOAD_GLOBAL_MODULE 160 66.7%
LOAD_ATTR 80 33.3%
Successors Count Percentage
PUSH_NULL 240 100.0%

LOAD_CONST_IMMORTAL

Successors and predecessors for LOAD_CONST_IMMORTAL
Predecessors Count Percentage
POP_ITER 1,883,940 99.7%
POP_TOP 3,000 0.2%
POP_JUMP_IF_FALSE 1,800 0.1%
STORE_FAST 240 0.0%
LOAD_FAST 120 0.0%
Successors Count Percentage
RETURN_VALUE 1,886,940 99.9%
LOAD_ATTR_METHOD_NO_DICT 1,800 0.1%
STORE_FAST 120 0.0%
LOAD_CONST_IMMORTAL 120 0.0%
BUILD_LIST 60 0.0%

LOAD_CONST_MORTAL

Successors and predecessors for LOAD_CONST_MORTAL
Predecessors Count Percentage
LOAD_FAST 4,976,460 100.0%
BUILD_TUPLE 60 0.0%
POP_JUMP_IF_NOT_NONE 60 0.0%
Successors Count Percentage
BINARY_SUBSCR 4,976,460 100.0%
MAKE_FUNCTION 60 0.0%
STORE_FAST 60 0.0%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN
Predecessors Count Percentage
POP_ITER 7,919,040 56.2%
STORE_FAST 6,172,400 43.8%
LOAD_GLOBAL_BUILTIN 1,960 0.0%
POP_TOP 1,800 0.0%
LOAD_ATTR_METHOD_NO_DICT 1,800 0.0%
Successors Count Percentage
LOAD_FAST 11,009,040 78.1%
LOAD_FAST_LOAD_FAST 3,086,160 21.9%
LOAD_GLOBAL_BUILTIN 1,960 0.0%
LOAD_GLOBAL 80 0.0%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE
Predecessors Count Percentage
POP_TOP 1,886,700 100.0%
LOAD_GLOBAL 140 0.0%
STORE_FAST 120 0.0%
RESUME_CHECK 80 0.0%
POP_ITER 40 0.0%
Successors Count Percentage
LOAD_FAST 1,886,760 100.0%
LOAD_ATTR_MODULE 160 0.0%
LOAD_ATTR 80 0.0%
COMPARE_OP 60 0.0%
LOAD_FAST_LOAD_FAST 60 0.0%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK
Predecessors Count Percentage
CALL_PY_GENERAL 1,886,760 100.0%
CALL_PY_EXACT_ARGS 180 0.0%
CACHE 60 0.0%
CALL_FUNCTION_EX 60 0.0%
COPY_FREE_VARS 60 0.0%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 1,886,760 100.0%
LOAD_FAST 180 0.0%
LOAD_GLOBAL_MODULE 80 0.0%
LOAD_DEREF 60 0.0%
LOAD_GLOBAL 60 0.0%

STORE_SUBSCR_LIST_INT

Successors and predecessors for STORE_SUBSCR_LIST_INT
Predecessors Count Percentage
LOAD_FAST 15,439,800 100.0%
Successors Count Percentage
JUMP_BACKWARD_NO_JIT 15,439,800 100.0%

TO_BOOL_BOOL

Successors and predecessors for TO_BOOL_BOOL
Predecessors Count Percentage
LOAD_FAST 40 66.7%
TO_BOOL 20 33.3%
Successors Count Percentage
POP_JUMP_IF_TRUE 60 100.0%

UNPACK_SEQUENCE_TWO_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TWO_TUPLE
Predecessors Count Percentage
CALL_METHOD_DESCRIPTOR_NOARGS 40 66.7%
UNPACK_SEQUENCE 20 33.3%
Successors Count Percentage
STORE_FAST_STORE_FAST 60 100.0%

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.

6,172,380 100.0%
hit

Specialized instructions that complete.

60 0.0%
Success Count Ratio
Success 20 1.3%
Failure 1,540 98.7%
Failure kind Count Ratio
and other 760 49.4%
subtract other 760 49.4%
multiply different types 20 1.3%

BINARY_SUBSCR

specialization stats for BINARY_SUBSCR family
Kind Count Ratio
deferred

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

4,976,460 33.7%
hit

Specialized instructions that complete.

9,804,120 66.3%
Success Count Ratio
Success 20 1.6%
Failure 1,240 98.4%
Failure kind Count Ratio
list slice 1,220 98.4%
string slice 20 1.6%

CALL

specialization stats for CALL family
Kind Count Ratio
hit

Specialized instructions that complete.

15,991,500 100.0%
Success Count Ratio
Success 420 100.0%
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.

26,463,120 70.6%
hit

Specialized instructions that complete.

11,007,000 29.4%
Success Count Ratio
Success 0 0.0%
Failure 6,480 100.0%
Failure kind Count Ratio
set 6,460 99.7%
list 20 0.3%

FOR_ITER

specialization stats for FOR_ITER family
Kind Count Ratio
deferred

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

18,527,820 32.8%
hit

Specialized instructions that complete.

38,009,340 67.2%
Success Count Ratio
Success 0 0.0%
Failure 4,520 100.0%
Failure kind Count Ratio
set 4,520 100.0%

LOAD_ATTR

specialization stats for LOAD_ATTR family
Kind Count Ratio
deferred

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

60 0.0%
hit

Specialized instructions that complete.

1,892,820 100.0%
Success Count Ratio
Success 220 91.7%
Failure 20 8.3%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family
Kind Count Ratio
hit

Specialized instructions that complete.

15,984,360 100.0%
Success Count Ratio
Success 300 100.0%
Failure 0 0.0%

STORE_SUBSCR

specialization stats for STORE_SUBSCR family
Kind Count Ratio
hit

Specialized instructions that complete.

15,439,800 100.0%

TO_BOOL

specialization stats for TO_BOOL family
Kind Count Ratio
deferred

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

60 37.5%
hit

Specialized instructions that complete.

60 37.5%
Success Count Ratio
Success 20 50.0%
Failure 20 50.0%
Failure kind Count Ratio
sequence 20 100.0%

UNPACK_SEQUENCE

specialization stats for UNPACK_SEQUENCE family
Kind Count Ratio
hit

Specialized instructions that complete.

60 75.0%
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.

264,129,960 54.4%
Not specialized

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

56,154,740 11.6%
Specialized hits

Specialized instructions, e.g. LOAD_ATTR_MODULE that complete.

165,500,460 34.1%
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 26,463,120 47.1%
FOR_ITER 18,527,820 33.0%
BINARY_OP 6,172,380 11.0%
BINARY_SUBSCR 4,976,460 8.9%
TO_BOOL 60 0.0%
LOAD_ATTR 60 0.0%
BINARY_SLICE 0 0.0%
STORE_SLICE 0 0.0%
CACHE 0 0.0%
CALL_FUNCTION_EX 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 60 0.0%
Calls to Python functions inlined 1,887,120 100.0%
Calls via PyEval_EvalFrame (total) 60 0.0%
Calls via PyEval_EvalFrame (vector) 60 0.0%
Calls via PyEval_EvalFrame (generator) 0 0.0%
Calls via PyEval_EvalFrame (legacy) 0 0.0%
Calls via PyEval_EvalFrame (function vectorcall) 60 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) 0 0.0%
Calls via PyEval_EvalFrame (method) 0 0.0%
Frame objects created 0 0.0%
Frames pushed 1,887,180 100.0%

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 11,682,200 36.2%
Frees to freelist 11,682,160
Allocations 20,611,900 63.8%
Allocations to 512 bytes 17,525,620 54.3%
Allocations to 4 kbytes 3,086,280 9.6%
Allocations over 4 kbytes 0 0.0%
Frees 20,611,802
Inline values 0
Interpreter mortal increfs 189,337,980 27.5%
Interpreter mortal decrefs 217,012,300 27.6%
Mortal increfs 13,430,891 1.9%
Mortal decrefs 9,987,374 1.3%
Interpreter immortal increfs 56,012,700 8.1%
Interpreter immortal decrefs 121,965,600 15.5%
Immortal increfs 430,927,270 62.5%
Immortal decrefs 438,038,008 55.7%
Materialize dict (on request) 0
Materialize dict (new key) 0
Materialize dict (too big) 0
Materialize dict (str subclass) 0
Method cache hits 190
Method cache misses 30
Method cache collisions 21
Method cache dunder hits 1,800
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: 2025-02-02