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Pystats results

  • benchmark: json
  • fork: python
  • ref: a19bb261a327e1008f219b62f6465941c981899b
  • commit hash: a19bb26
  • commit date: 2024-06-15T19:10:50+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 13,775,520 15.6% 15.6%
LOAD_FAST_LOAD_FAST 8,258,400 9.4% 25.0%
RETURN_VALUE 8,256,320 9.4% 34.4%
CALL_NON_PY_GENERAL 5,506,480 6.2% 40.6%
STORE_FAST_STORE_FAST 5,504,160 6.2% 46.9%
UNPACK_SEQUENCE_TWO_TUPLE 5,504,100 6.2% 53.1%
STORE_FAST 2,756,600 3.1% 56.2%
PUSH_NULL 2,755,440 3.1% 59.4%
LOAD_ATTR_METHOD_NO_DICT 2,754,800 3.1% 62.5%
ENTER_EXECUTOR 2,753,880 3.1% 65.6%
RESUME_CHECK 2,753,800 3.1% 68.7%
POP_TOP 2,753,640 3.1% 71.9%
LOAD_GLOBAL_BUILTIN 2,753,500 3.1% 75.0%
POP_JUMP_IF_FALSE 2,753,440 3.1% 78.1%
CALL_METHOD_DESCRIPTOR_FAST 2,753,440 3.1% 81.2%
LOAD_ATTR_INSTANCE_VALUE 2,752,140 3.1% 84.4%
NOP 2,752,080 3.1% 87.5%
BUILD_TUPLE 2,752,080 3.1% 90.6%
CALL_KW 2,752,000 3.1% 93.7%
CALL_LEN 2,751,980 3.1% 96.8%
COMPARE_OP_INT 2,751,980 3.1% 100.0%
POP_JUMP_IF_NOT_NONE 4,320 0.0% 100.0%
LOAD_GLOBAL_MODULE 3,360 0.0% 100.0%
LOAD_CONST 2,640 0.0% 100.0%
CALL_LIST_APPEND 2,600 0.0% 100.0%
LOAD_ATTR_MODULE 2,460 0.0% 100.0%
POP_JUMP_IF_TRUE 1,440 0.0% 100.0%
CALL_PY_GENERAL 1,400 0.0% 100.0%
LOAD_ATTR_METHOD_WITH_VALUES 1,400 0.0% 100.0%
TO_BOOL_BOOL 1,400 0.0% 100.0%
BINARY_OP_ADD_FLOAT 1,300 0.0% 100.0% 4.6%
BINARY_OP_SUBTRACT_FLOAT 1,260 0.0% 100.0%
TO_BOOL 920 0.0% 100.0%
CALL 880 0.0% 100.0%
LOAD_ATTR 860 0.0% 100.0%
JUMP_FORWARD 720 0.0% 100.0%
CALL_ISINSTANCE 700 0.0% 100.0%
FOR_ITER_LIST 700 0.0% 100.0%
TO_BOOL_STR 700 0.0% 100.0%
JUMP_BACKWARD 680 0.0% 100.0%
LOAD_GLOBAL 520 0.0% 100.0%
GET_ITER 480 0.0% 100.0%
FOR_ITER_RANGE 380 0.0% 100.0%
LOAD_DEREF 240 0.0% 100.0%
STORE_ATTR_INSTANCE_VALUE 240 0.0% 100.0%
BINARY_OP 180 0.0% 100.0%
INTERPRETER_EXIT 160 0.0% 100.0%
BUILD_LIST 160 0.0% 100.0%
CALL_FUNCTION_EX 160 0.0% 100.0%
RETURN_CONST 160 0.0% 100.0%
CALL_PY_EXACT_ARGS 140 0.0% 100.0%
UNPACK_SEQUENCE 120 0.0% 100.0%
RESUME 120 0.0% 100.0%
BINARY_SLICE 80 0.0% 100.0%
BEFORE_WITH 80 0.0% 100.0%
CALL_INTRINSIC_1 80 0.0% 100.0%
COPY_FREE_VARS 80 0.0% 100.0%
FOR_ITER 80 0.0% 100.0%
LIST_EXTEND 80 0.0% 100.0%
LOAD_FAST_CHECK 80 0.0% 100.0%
CALL_BUILTIN_FAST 80 0.0% 100.0%
CALL_BUILTIN_CLASS 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%
COMPARE_OP 40 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
UNPACK_SEQUENCE_TWO_TUPLE STORE_FAST_STORE_FAST 5,504,100 6.2% 6.2%
LOAD_FAST_LOAD_FAST CALL_NON_PY_GENERAL 5,503,920 6.2% 12.5%
STORE_FAST LOAD_FAST 2,754,600 3.1% 15.6%
LOAD_GLOBAL_BUILTIN LOAD_FAST 2,752,740 3.1% 18.7%
POP_JUMP_IF_FALSE LOAD_FAST 2,752,720 3.1% 21.9%
LOAD_FAST LOAD_GLOBAL_BUILTIN 2,752,640 3.1% 25.0%
CALL_NON_PY_GENERAL LOAD_ATTR_METHOD_NO_DICT 2,752,640 3.1% 28.1%
LOAD_ATTR_METHOD_NO_DICT CALL_METHOD_DESCRIPTOR_FAST 2,752,640 3.1% 31.2%
LOAD_FAST RETURN_VALUE 2,752,160 3.1% 34.4%
RETURN_VALUE RETURN_VALUE 2,752,080 3.1% 37.5%
BUILD_TUPLE RETURN_VALUE 2,752,080 3.1% 40.6%
LOAD_FAST_LOAD_FAST BUILD_TUPLE 2,752,080 3.1% 43.7%
STORE_FAST_STORE_FAST LOAD_FAST 2,752,080 3.1% 46.8%
STORE_FAST_STORE_FAST LOAD_FAST_LOAD_FAST 2,752,080 3.1% 50.0%
LOAD_FAST LOAD_ATTR_INSTANCE_VALUE 2,752,040 3.1% 53.1%
CALL_METHOD_DESCRIPTOR_FAST STORE_FAST 2,752,040 3.1% 56.2%
NOP LOAD_FAST 2,752,000 3.1% 59.3%
PUSH_NULL LOAD_FAST_LOAD_FAST 2,752,000 3.1% 62.5%
RETURN_VALUE POP_TOP 2,752,000 3.1% 65.6%
RETURN_VALUE UNPACK_SEQUENCE_TWO_TUPLE 2,752,000 3.1% 68.7%
LOAD_FAST PUSH_NULL 2,752,000 3.1% 71.8%
CALL_KW RESUME_CHECK 2,751,980 3.1% 74.9%
COMPARE_OP_INT POP_JUMP_IF_FALSE 2,751,980 3.1% 78.1%
LOAD_ATTR_INSTANCE_VALUE LOAD_FAST_LOAD_FAST 2,751,980 3.1% 81.2%
RESUME_CHECK NOP 2,751,980 3.1% 84.3%
LOAD_FAST CALL_LEN 2,751,960 3.1% 87.4%
CALL_LEN COMPARE_OP_INT 2,751,960 3.1% 90.6%
CALL_NON_PY_GENERAL UNPACK_SEQUENCE_TWO_TUPLE 2,751,960 3.1% 93.7%
POP_TOP ENTER_EXECUTOR 2,751,660 3.1% 96.8%
ENTER_EXECUTOR CALL_KW 2,751,240 3.1% 99.9%
LOAD_FAST POP_JUMP_IF_NOT_NONE 4,320 0.0% 99.9%
POP_JUMP_IF_NOT_NONE LOAD_FAST 4,320 0.0% 99.9%
LOAD_ATTR_MODULE PUSH_NULL 2,460 0.0% 99.9%
LOAD_GLOBAL_MODULE LOAD_ATTR_MODULE 2,360 0.0% 99.9%
CALL_LIST_APPEND ENTER_EXECUTOR 2,220 0.0% 99.9%
LOAD_FAST LOAD_ATTR_METHOD_NO_DICT 2,000 0.0% 99.9%
PUSH_NULL CALL_NON_PY_GENERAL 1,680 0.0% 99.9%
CALL_NON_PY_GENERAL STORE_FAST 1,640 0.0% 99.9%
PUSH_NULL LOAD_FAST 1,600 0.0% 99.9%
CALL_PY_GENERAL RESUME_CHECK 1,400 0.0% 99.9%
TO_BOOL_BOOL POP_JUMP_IF_FALSE 1,400 0.0% 99.9%
ENTER_EXECUTOR POP_TOP 1,360 0.0% 100.0%
LOAD_FAST CALL_PY_GENERAL 1,360 0.0% 100.0%
POP_JUMP_IF_TRUE LOAD_GLOBAL_MODULE 1,360 0.0% 100.0%
BINARY_OP_ADD_FLOAT STORE_FAST 1,300 0.0% 100.0%
LOAD_ATTR_METHOD_NO_DICT LOAD_FAST 1,300 0.0% 100.0%
LOAD_FAST CALL_LIST_APPEND 1,280 0.0% 100.0%
LOAD_FAST_LOAD_FAST LOAD_FAST 1,280 0.0% 100.0%
STORE_FAST LOAD_FAST_LOAD_FAST 1,280 0.0% 100.0%
POP_TOP LOAD_GLOBAL_MODULE 1,240 0.0% 100.0%
ENTER_EXECUTOR CALL_LIST_APPEND 1,240 0.0% 100.0%
LOAD_FAST BINARY_OP_SUBTRACT_FLOAT 1,240 0.0% 100.0%
BINARY_OP_SUBTRACT_FLOAT BINARY_OP_ADD_FLOAT 1,240 0.0% 100.0%
RESUME_CHECK LOAD_FAST 780 0.0% 100.0%
LOAD_FAST TO_BOOL 760 0.0% 100.0%
TO_BOOL POP_JUMP_IF_TRUE 740 0.0% 100.0%
JUMP_FORWARD LOAD_FAST 720 0.0% 100.0%
LOAD_CONST CALL_KW 720 0.0% 100.0%
LOAD_CONST CALL_NON_PY_GENERAL 720 0.0% 100.0%
LOAD_FAST LOAD_CONST 720 0.0% 100.0%
LOAD_FAST_LOAD_FAST PUSH_NULL 720 0.0% 100.0%
POP_JUMP_IF_FALSE JUMP_FORWARD 720 0.0% 100.0%
RESUME_CHECK LOAD_GLOBAL_BUILTIN 720 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_FAST LOAD_CONST 700 0.0% 100.0%
FOR_ITER_LIST STORE_FAST 700 0.0% 100.0%
LOAD_ATTR_METHOD_NO_DICT LOAD_CONST 700 0.0% 100.0%
LOAD_ATTR_METHOD_WITH_VALUES LOAD_FAST 700 0.0% 100.0%
LOAD_ATTR_METHOD_WITH_VALUES LOAD_FAST_LOAD_FAST 700 0.0% 100.0%
TO_BOOL_STR POP_JUMP_IF_TRUE 700 0.0% 100.0%
LOAD_CONST CALL_METHOD_DESCRIPTOR_FAST 680 0.0% 100.0%
LOAD_FAST LOAD_ATTR_METHOD_WITH_VALUES 680 0.0% 100.0%
LOAD_FAST TO_BOOL_STR 680 0.0% 100.0%
CALL_ISINSTANCE TO_BOOL_BOOL 680 0.0% 100.0%
CALL_METHOD_DESCRIPTOR_FAST TO_BOOL_BOOL 680 0.0% 100.0%
LOAD_GLOBAL_BUILTIN CALL_ISINSTANCE 680 0.0% 100.0%
LOAD_GLOBAL_MODULE LOAD_ATTR_METHOD_WITH_VALUES 680 0.0% 100.0%
LOAD_FAST GET_ITER 400 0.0% 100.0%
GET_ITER FOR_ITER_LIST 380 0.0% 100.0%
FOR_ITER_RANGE STORE_FAST 380 0.0% 100.0%
POP_TOP JUMP_BACKWARD 360 0.0% 100.0%
LOAD_FAST LOAD_ATTR 360 0.0% 100.0%
STORE_FAST LOAD_GLOBAL_MODULE 360 0.0% 100.0%
CALL_LIST_APPEND JUMP_BACKWARD 320 0.0% 100.0%
JUMP_BACKWARD FOR_ITER_LIST 300 0.0% 100.0%
JUMP_BACKWARD FOR_ITER_RANGE 300 0.0% 100.0%
LOAD_FAST CALL 240 0.0% 100.0%
LOAD_ATTR LOAD_FAST_LOAD_FAST 200 0.0% 100.0%
LOAD_GLOBAL_MODULE LOAD_ATTR 200 0.0% 100.0%
CACHE RESUME_CHECK 160 0.0% 100.0%
PUSH_NULL CALL 160 0.0% 100.0%
CALL CALL_NON_PY_GENERAL 160 0.0% 100.0%
LOAD_CONST LOAD_CONST 160 0.0% 100.0%
LOAD_DEREF PUSH_NULL 160 0.0% 100.0%
LOAD_FAST STORE_ATTR_INSTANCE_VALUE 160 0.0% 100.0%
LOAD_GLOBAL LOAD_GLOBAL_MODULE 160 0.0% 100.0%
STORE_FAST LOAD_CONST 160 0.0% 100.0%
LOAD_ATTR_INSTANCE_VALUE LOAD_FAST 160 0.0% 100.0%
STORE_ATTR_INSTANCE_VALUE RETURN_CONST 160 0.0% 100.0%
CALL_PY_EXACT_ARGS RESUME_CHECK 140 0.0% 100.0%
LOAD_ATTR LOAD_ATTR_METHOD_NO_DICT 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 80 100.0%
Successors Count Percentage
LOAD_FAST 80 100.0%

CACHE

Successors and predecessors for CACHE
Successors Count Percentage
RESUME_CHECK 160 100.0%

BEFORE_WITH

Successors and predecessors for BEFORE_WITH
Predecessors Count Percentage
CALL_BUILTIN_FAST_WITH_KEYWORDS 60 75.0%
CALL 20 25.0%
Successors Count Percentage
STORE_FAST 80 100.0%

GET_ITER

Successors and predecessors for GET_ITER
Predecessors Count Percentage
LOAD_FAST 400 83.3%
CALL_BUILTIN_CLASS 60 12.5%
CALL 20 4.2%
Successors Count Percentage
FOR_ITER_LIST 380 79.2%
FOR_ITER_RANGE 60 12.5%
FOR_ITER 40 8.3%

INTERPRETER_EXIT

Successors and predecessors for INTERPRETER_EXIT
Predecessors Count Percentage
RETURN_VALUE 80 50.0%
RETURN_CONST 80 50.0%

NOP

Successors and predecessors for NOP
Predecessors Count Percentage
RESUME_CHECK 2,751,980 100.0%
POP_TOP 80 0.0%
RESUME 20 0.0%
Successors Count Percentage
LOAD_FAST 2,752,000 100.0%
LOAD_DEREF 80 0.0%

POP_TOP

Successors and predecessors for POP_TOP
Predecessors Count Percentage
RETURN_VALUE 2,752,000 99.9%
ENTER_EXECUTOR 1,360 0.0%
CALL_NON_PY_GENERAL 120 0.0%
CALL 80 0.0%
RETURN_CONST 80 0.0%
Successors Count Percentage
ENTER_EXECUTOR 2,751,660 99.9%
LOAD_GLOBAL_MODULE 1,240 0.0%
JUMP_BACKWARD 360 0.0%
NOP 80 0.0%
LOAD_CONST 80 0.0%

PUSH_NULL

Successors and predecessors for PUSH_NULL
Predecessors Count Percentage
LOAD_FAST 2,752,000 99.9%
LOAD_ATTR_MODULE 2,460 0.1%
LOAD_FAST_LOAD_FAST 720 0.0%
LOAD_DEREF 160 0.0%
LOAD_ATTR 100 0.0%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 2,752,000 99.9%
CALL_NON_PY_GENERAL 1,680 0.1%
LOAD_FAST 1,600 0.1%
CALL 160 0.0%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE
Predecessors Count Percentage
LOAD_FAST 2,752,160 33.3%
RETURN_VALUE 2,752,080 33.3%
BUILD_TUPLE 2,752,080 33.3%
Successors Count Percentage
RETURN_VALUE 2,752,080 33.3%
POP_TOP 2,752,000 33.3%
UNPACK_SEQUENCE_TWO_TUPLE 2,752,000 33.3%
INTERPRETER_EXIT 80 0.0%
UNPACK_SEQUENCE 80 0.0%

TO_BOOL

Successors and predecessors for TO_BOOL
Predecessors Count Percentage
LOAD_FAST 760 82.6%
TO_BOOL 80 8.7%
CALL 40 4.3%
CALL_ISINSTANCE 20 2.2%
CALL_METHOD_DESCRIPTOR_FAST 20 2.2%
Successors Count Percentage
POP_JUMP_IF_TRUE 740 80.4%
TO_BOOL 80 8.7%
POP_JUMP_IF_FALSE 40 4.3%
TO_BOOL_BOOL 40 4.3%
TO_BOOL_STR 20 2.2%

BINARY_OP

Successors and predecessors for BINARY_OP
Predecessors Count Percentage
LOAD_FAST 120 66.7%
BINARY_OP 40 22.2%
BINARY_OP_SUBTRACT_FLOAT 20 11.1%
Successors Count Percentage
STORE_FAST 100 55.6%
BINARY_OP 40 22.2%
BINARY_OP_ADD_FLOAT 20 11.1%
BINARY_OP_SUBTRACT_FLOAT 20 11.1%

BUILD_LIST

Successors and predecessors for BUILD_LIST
Predecessors Count Percentage
LOAD_FAST 80 50.0%
STORE_FAST 80 50.0%
Successors Count Percentage
LOAD_DEREF 80 50.0%
STORE_FAST 80 50.0%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 2,752,080 100.0%
Successors Count Percentage
RETURN_VALUE 2,752,080 100.0%

CALL

Successors and predecessors for CALL
Predecessors Count Percentage
LOAD_FAST 240 27.3%
PUSH_NULL 160 18.2%
LOAD_CONST 120 13.6%
LOAD_ATTR 100 11.4%
LOAD_FAST_LOAD_FAST 80 9.1%
Successors Count Percentage
CALL_NON_PY_GENERAL 160 18.2%
STORE_FAST 100 11.4%
POP_TOP 80 9.1%
CALL_METHOD_DESCRIPTOR_FAST 80 9.1%
RESUME 60 6.8%

CALL_FUNCTION_EX

Successors and predecessors for CALL_FUNCTION_EX
Predecessors Count Percentage
CALL_INTRINSIC_1 80 50.0%
LOAD_FAST 80 50.0%
Successors Count Percentage
COPY_FREE_VARS 80 50.0%
RESUME_CHECK 60 37.5%
RESUME 20 12.5%

CALL_INTRINSIC_1

Successors and predecessors for CALL_INTRINSIC_1
Predecessors Count Percentage
LIST_EXTEND 80 100.0%
Successors Count Percentage
CALL_FUNCTION_EX 80 100.0%

CALL_KW

Successors and predecessors for CALL_KW
Predecessors Count Percentage
ENTER_EXECUTOR 2,751,240 100.0%
LOAD_CONST 720 0.0%
JUMP_BACKWARD 40 0.0%
Successors Count Percentage
RESUME_CHECK 2,751,980 100.0%
RESUME 20 0.0%

COMPARE_OP

Successors and predecessors for COMPARE_OP
Predecessors Count Percentage
CALL 20 50.0%
CALL_LEN 20 50.0%
Successors Count Percentage
POP_JUMP_IF_FALSE 20 50.0%
COMPARE_OP_INT 20 50.0%

COPY_FREE_VARS

Successors and predecessors for COPY_FREE_VARS
Predecessors Count Percentage
CALL_FUNCTION_EX 80 100.0%
Successors Count Percentage
RESUME_CHECK 60 75.0%
RESUME 20 25.0%

ENTER_EXECUTOR

Successors and predecessors for ENTER_EXECUTOR
Predecessors Count Percentage
POP_TOP 2,751,660 99.9%
CALL_LIST_APPEND 2,220 0.1%
Successors Count Percentage
CALL_KW 2,751,240 99.9%
POP_TOP 1,360 0.0%
CALL_LIST_APPEND 1,240 0.0%
BINARY_OP_ADD_FLOAT 40 0.0%

FOR_ITER

Successors and predecessors for FOR_ITER
Predecessors Count Percentage
GET_ITER 40 50.0%
JUMP_BACKWARD 40 50.0%
Successors Count Percentage
STORE_FAST 40 50.0%
FOR_ITER_LIST 20 25.0%
FOR_ITER_RANGE 20 25.0%

JUMP_BACKWARD

Successors and predecessors for JUMP_BACKWARD
Predecessors Count Percentage
POP_TOP 360 52.9%
CALL_LIST_APPEND 320 47.1%
Successors Count Percentage
FOR_ITER_LIST 300 44.1%
FOR_ITER_RANGE 300 44.1%
CALL_KW 40 5.9%
FOR_ITER 40 5.9%

JUMP_FORWARD

Successors and predecessors for JUMP_FORWARD
Predecessors Count Percentage
POP_JUMP_IF_FALSE 720 100.0%
Successors Count Percentage
LOAD_FAST 720 100.0%

LIST_EXTEND

Successors and predecessors for LIST_EXTEND
Predecessors Count Percentage
LOAD_DEREF 80 100.0%
Successors Count Percentage
CALL_INTRINSIC_1 80 100.0%

LOAD_ATTR

Successors and predecessors for LOAD_ATTR
Predecessors Count Percentage
LOAD_FAST 360 41.9%
LOAD_GLOBAL_MODULE 200 23.3%
LOAD_GLOBAL 120 14.0%
LOAD_ATTR 60 7.0%
CALL 40 4.7%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 200 23.3%
LOAD_ATTR_METHOD_NO_DICT 120 14.0%
PUSH_NULL 100 11.6%
CALL 100 11.6%
LOAD_ATTR_MODULE 100 11.6%

LOAD_CONST

Successors and predecessors for LOAD_CONST
Predecessors Count Percentage
LOAD_FAST 720 27.3%
CALL_METHOD_DESCRIPTOR_FAST 700 26.5%
LOAD_ATTR_METHOD_NO_DICT 700 26.5%
LOAD_CONST 160 6.1%
STORE_FAST 160 6.1%
Successors Count Percentage
CALL_KW 720 27.3%
CALL_NON_PY_GENERAL 720 27.3%
CALL_METHOD_DESCRIPTOR_FAST 680 25.8%
LOAD_CONST 160 6.1%
CALL 120 4.5%

LOAD_DEREF

Successors and predecessors for LOAD_DEREF
Predecessors Count Percentage
NOP 80 33.3%
BUILD_LIST 80 33.3%
RESUME_CHECK 60 25.0%
RESUME 20 8.3%
Successors Count Percentage
PUSH_NULL 160 66.7%
LIST_EXTEND 80 33.3%

LOAD_FAST

Successors and predecessors for LOAD_FAST
Predecessors Count Percentage
STORE_FAST 2,754,600 20.0%
LOAD_GLOBAL_BUILTIN 2,752,740 20.0%
POP_JUMP_IF_FALSE 2,752,720 20.0%
STORE_FAST_STORE_FAST 2,752,080 20.0%
NOP 2,752,000 20.0%
Successors Count Percentage
LOAD_GLOBAL_BUILTIN 2,752,640 20.0%
RETURN_VALUE 2,752,160 20.0%
LOAD_ATTR_INSTANCE_VALUE 2,752,040 20.0%
PUSH_NULL 2,752,000 20.0%
CALL_LEN 2,751,960 20.0%

LOAD_FAST_CHECK

Successors and predecessors for LOAD_FAST_CHECK
Predecessors Count Percentage
POP_TOP 80 100.0%
Successors Count Percentage
LOAD_ATTR 40 50.0%
LOAD_ATTR_METHOD_NO_DICT 40 50.0%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST
Predecessors Count Percentage
STORE_FAST_STORE_FAST 2,752,080 33.3%
PUSH_NULL 2,752,000 33.3%
LOAD_ATTR_INSTANCE_VALUE 2,751,980 33.3%
STORE_FAST 1,280 0.0%
LOAD_ATTR_METHOD_WITH_VALUES 700 0.0%
Successors Count Percentage
CALL_NON_PY_GENERAL 5,503,920 66.6%
BUILD_TUPLE 2,752,080 33.3%
LOAD_FAST 1,280 0.0%
PUSH_NULL 720 0.0%
CALL 80 0.0%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL
Predecessors Count Percentage
LOAD_FAST 80 15.4%
POP_JUMP_IF_TRUE 80 15.4%
STORE_FAST 80 15.4%
RESUME 60 11.5%
RESUME_CHECK 60 11.5%
Successors Count Percentage
LOAD_GLOBAL_MODULE 160 30.8%
LOAD_ATTR 120 23.1%
LOAD_GLOBAL_BUILTIN 100 19.2%
LOAD_FAST 80 15.4%
CALL 40 7.7%

POP_JUMP_IF_FALSE

Successors and predecessors for POP_JUMP_IF_FALSE
Predecessors Count Percentage
COMPARE_OP_INT 2,751,980 99.9%
TO_BOOL_BOOL 1,400 0.1%
TO_BOOL 40 0.0%
COMPARE_OP 20 0.0%
Successors Count Percentage
LOAD_FAST 2,752,720 100.0%
JUMP_FORWARD 720 0.0%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE
Predecessors Count Percentage
LOAD_FAST 4,320 100.0%
Successors Count Percentage
LOAD_FAST 4,320 100.0%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE
Predecessors Count Percentage
TO_BOOL 740 51.4%
TO_BOOL_STR 700 48.6%
Successors Count Percentage
LOAD_GLOBAL_MODULE 1,360 94.4%
LOAD_GLOBAL 80 5.6%

RETURN_CONST

Successors and predecessors for RETURN_CONST
Predecessors Count Percentage
STORE_ATTR_INSTANCE_VALUE 160 100.0%
Successors Count Percentage
INTERPRETER_EXIT 80 50.0%
POP_TOP 80 50.0%

STORE_FAST

Successors and predecessors for STORE_FAST
Predecessors Count Percentage
CALL_METHOD_DESCRIPTOR_FAST 2,752,040 99.8%
CALL_NON_PY_GENERAL 1,640 0.1%
BINARY_OP_ADD_FLOAT 1,300 0.0%
FOR_ITER_LIST 700 0.0%
FOR_ITER_RANGE 380 0.0%
Successors Count Percentage
LOAD_FAST 2,754,600 99.9%
LOAD_FAST_LOAD_FAST 1,280 0.0%
LOAD_GLOBAL_MODULE 360 0.0%
LOAD_CONST 160 0.0%
BUILD_LIST 80 0.0%

STORE_FAST_STORE_FAST

Successors and predecessors for STORE_FAST_STORE_FAST
Predecessors Count Percentage
UNPACK_SEQUENCE_TWO_TUPLE 5,504,100 100.0%
UNPACK_SEQUENCE 60 0.0%
Successors Count Percentage
LOAD_FAST 2,752,080 50.0%
LOAD_FAST_LOAD_FAST 2,752,080 50.0%

UNPACK_SEQUENCE

Successors and predecessors for UNPACK_SEQUENCE
Predecessors Count Percentage
RETURN_VALUE 80 66.7%
CALL 20 16.7%
CALL_NON_PY_GENERAL 20 16.7%
Successors Count Percentage
STORE_FAST_STORE_FAST 60 50.0%
UNPACK_SEQUENCE_TWO_TUPLE 60 50.0%

RESUME

Successors and predecessors for RESUME
Predecessors Count Percentage
CALL 60 50.0%
CALL_FUNCTION_EX 20 16.7%
CALL_KW 20 16.7%
COPY_FREE_VARS 20 16.7%
Successors Count Percentage
LOAD_GLOBAL 60 50.0%
NOP 20 16.7%
LOAD_DEREF 20 16.7%
LOAD_FAST 20 16.7%

BINARY_OP_ADD_FLOAT

Successors and predecessors for BINARY_OP_ADD_FLOAT
Predecessors Count Percentage
BINARY_OP_SUBTRACT_FLOAT 1,240 95.4%
ENTER_EXECUTOR 40 3.1%
BINARY_OP 20 1.5%
Successors Count Percentage
STORE_FAST 1,300 100.0%

BINARY_OP_SUBTRACT_FLOAT

Successors and predecessors for BINARY_OP_SUBTRACT_FLOAT
Predecessors Count Percentage
LOAD_FAST 1,240 98.4%
BINARY_OP 20 1.6%
Successors Count Percentage
BINARY_OP_ADD_FLOAT 1,240 98.4%
BINARY_OP 20 1.6%

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 80 100.0%
Successors Count Percentage
UNPACK_SEQUENCE_TWO_TUPLE 80 100.0%

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
BEFORE_WITH 60 100.0%

CALL_ISINSTANCE

Successors and predecessors for CALL_ISINSTANCE
Predecessors Count Percentage
LOAD_GLOBAL_BUILTIN 680 97.1%
CALL 20 2.9%
Successors Count Percentage
TO_BOOL_BOOL 680 97.1%
TO_BOOL 20 2.9%

CALL_LEN

Successors and predecessors for CALL_LEN
Predecessors Count Percentage
LOAD_FAST 2,751,960 100.0%
CALL 20 0.0%
Successors Count Percentage
COMPARE_OP_INT 2,751,960 100.0%
COMPARE_OP 20 0.0%

CALL_LIST_APPEND

Successors and predecessors for CALL_LIST_APPEND
Predecessors Count Percentage
LOAD_FAST 1,280 49.2%
ENTER_EXECUTOR 1,240 47.7%
CALL 40 1.5%
CALL_NON_PY_GENERAL 40 1.5%
Successors Count Percentage
ENTER_EXECUTOR 2,220 85.4%
JUMP_BACKWARD 320 12.3%
LOAD_FAST_LOAD_FAST 60 2.3%

CALL_METHOD_DESCRIPTOR_FAST

Successors and predecessors for CALL_METHOD_DESCRIPTOR_FAST
Predecessors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 2,752,640 100.0%
LOAD_CONST 680 0.0%
CALL 80 0.0%
LOAD_ATTR 40 0.0%
Successors Count Percentage
STORE_FAST 2,752,040 99.9%
LOAD_CONST 700 0.0%
TO_BOOL_BOOL 680 0.0%
TO_BOOL 20 0.0%

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_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 5,503,920 100.0%
PUSH_NULL 1,680 0.0%
LOAD_CONST 720 0.0%
CALL 160 0.0%
Successors Count Percentage
LOAD_ATTR_METHOD_NO_DICT 2,752,640 50.0%
UNPACK_SEQUENCE_TWO_TUPLE 2,751,960 50.0%
STORE_FAST 1,640 0.0%
POP_TOP 120 0.0%
LOAD_ATTR 40 0.0%

CALL_PY_EXACT_ARGS

Successors and predecessors for CALL_PY_EXACT_ARGS
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 80 57.1%
LOAD_FAST 40 28.6%
CALL 20 14.3%
Successors Count Percentage
RESUME_CHECK 140 100.0%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL
Predecessors Count Percentage
LOAD_FAST 1,360 97.1%
CALL 40 2.9%
Successors Count Percentage
RESUME_CHECK 1,400 100.0%

COMPARE_OP_INT

Successors and predecessors for COMPARE_OP_INT
Predecessors Count Percentage
CALL_LEN 2,751,960 100.0%
COMPARE_OP 20 0.0%
Successors Count Percentage
POP_JUMP_IF_FALSE 2,751,980 100.0%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST
Predecessors Count Percentage
GET_ITER 380 54.3%
JUMP_BACKWARD 300 42.9%
FOR_ITER 20 2.9%
Successors Count Percentage
STORE_FAST 700 100.0%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE
Predecessors Count Percentage
JUMP_BACKWARD 300 78.9%
GET_ITER 60 15.8%
FOR_ITER 20 5.3%
Successors Count Percentage
STORE_FAST 380 100.0%

LOAD_ATTR_INSTANCE_VALUE

Successors and predecessors for LOAD_ATTR_INSTANCE_VALUE
Predecessors Count Percentage
LOAD_FAST 2,752,040 100.0%
LOAD_FAST_LOAD_FAST 80 0.0%
LOAD_ATTR 20 0.0%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 2,751,980 100.0%
LOAD_FAST 160 0.0%

LOAD_ATTR_METHOD_NO_DICT

Successors and predecessors for LOAD_ATTR_METHOD_NO_DICT
Predecessors Count Percentage
CALL_NON_PY_GENERAL 2,752,640 99.9%
LOAD_FAST 2,000 0.1%
LOAD_ATTR 120 0.0%
LOAD_FAST_CHECK 40 0.0%
Successors Count Percentage
CALL_METHOD_DESCRIPTOR_FAST 2,752,640 99.9%
LOAD_FAST 1,300 0.0%
LOAD_CONST 700 0.0%
CALL 60 0.0%
CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS 40 0.0%

LOAD_ATTR_METHOD_WITH_VALUES

Successors and predecessors for LOAD_ATTR_METHOD_WITH_VALUES
Predecessors Count Percentage
LOAD_FAST 680 48.6%
LOAD_GLOBAL_MODULE 680 48.6%
LOAD_ATTR 40 2.9%
Successors Count Percentage
LOAD_FAST 700 50.0%
LOAD_FAST_LOAD_FAST 700 50.0%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE
Predecessors Count Percentage
LOAD_GLOBAL_MODULE 2,360 95.9%
LOAD_ATTR 100 4.1%
Successors Count Percentage
PUSH_NULL 2,460 100.0%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN
Predecessors Count Percentage
LOAD_FAST 2,752,640 100.0%
RESUME_CHECK 720 0.0%
LOAD_GLOBAL 100 0.0%
STORE_FAST 40 0.0%
Successors Count Percentage
LOAD_FAST 2,752,740 100.0%
CALL_ISINSTANCE 680 0.0%
LOAD_GLOBAL_MODULE 40 0.0%
CALL 20 0.0%
LOAD_GLOBAL 20 0.0%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE
Predecessors Count Percentage
POP_JUMP_IF_TRUE 1,360 40.5%
POP_TOP 1,240 36.9%
STORE_FAST 360 10.7%
LOAD_GLOBAL 160 4.8%
RESUME_CHECK 120 3.6%
Successors Count Percentage
LOAD_ATTR_MODULE 2,360 70.2%
LOAD_ATTR_METHOD_WITH_VALUES 680 20.2%
LOAD_ATTR 200 6.0%
LOAD_FAST 60 1.8%
CALL_BUILTIN_FAST_WITH_KEYWORDS 40 1.2%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK
Predecessors Count Percentage
CALL_KW 2,751,980 99.9%
CALL_PY_GENERAL 1,400 0.1%
CACHE 160 0.0%
CALL_PY_EXACT_ARGS 140 0.0%
CALL_FUNCTION_EX 60 0.0%
Successors Count Percentage
NOP 2,751,980 99.9%
LOAD_FAST 780 0.0%
LOAD_GLOBAL_BUILTIN 720 0.0%
LOAD_GLOBAL_MODULE 120 0.0%
LOAD_FAST_LOAD_FAST 80 0.0%

STORE_ATTR_INSTANCE_VALUE

Successors and predecessors for STORE_ATTR_INSTANCE_VALUE
Predecessors Count Percentage
LOAD_FAST 160 66.7%
LOAD_FAST_LOAD_FAST 80 33.3%
Successors Count Percentage
RETURN_CONST 160 66.7%
LOAD_FAST 80 33.3%

TO_BOOL_BOOL

Successors and predecessors for TO_BOOL_BOOL
Predecessors Count Percentage
CALL_ISINSTANCE 680 48.6%
CALL_METHOD_DESCRIPTOR_FAST 680 48.6%
TO_BOOL 40 2.9%
Successors Count Percentage
POP_JUMP_IF_FALSE 1,400 100.0%

TO_BOOL_STR

Successors and predecessors for TO_BOOL_STR
Predecessors Count Percentage
LOAD_FAST 680 97.1%
TO_BOOL 20 2.9%
Successors Count Percentage
POP_JUMP_IF_TRUE 700 100.0%

UNPACK_SEQUENCE_TWO_TUPLE

Successors and predecessors for UNPACK_SEQUENCE_TWO_TUPLE
Predecessors Count Percentage
RETURN_VALUE 2,752,000 50.0%
CALL_NON_PY_GENERAL 2,751,960 50.0%
CALL_BUILTIN_FAST 80 0.0%
UNPACK_SEQUENCE 60 0.0%
Successors Count Percentage
STORE_FAST_STORE_FAST 5,504,100 100.0%

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.

180 6.6%
hit

Specialized instructions that complete.

2,500 91.2%
miss

Specialized instructions that deopt.

60 2.2%
Success Count Ratio
Success 40 66.7%
Failure 20 33.3%
Failure kind Count Ratio
add other 20 100.0%

BINARY_SLICE

specialization stats for BINARY_SLICE family

CALL

specialization stats for CALL family
Kind Count Ratio
deferred

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

440 0.0%
hit

Specialized instructions that complete.

5,509,120 100.0%
Success Count Ratio
Success 440 100.0%
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.

20 0.0%
hit

Specialized instructions that complete.

2,751,980 100.0%
Success Count Ratio
Success 20 100.0%
Failure 0 0.0%

FOR_ITER

specialization stats for FOR_ITER family
Kind Count Ratio
deferred

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

40 3.4%
hit

Specialized instructions that complete.

1,080 93.1%
Success Count Ratio
Success 40 100.0%
Failure 0 0.0%

LOAD_ATTR

specialization stats for LOAD_ATTR family
Kind Count Ratio
deferred

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

520 0.0%
hit

Specialized instructions that complete.

5,510,800 100.0%
Success Count Ratio
Success 280 82.4%
Failure 60 17.6%
Failure kind Count Ratio
not managed dict 20 33.3%
metaclass attribute 20 33.3%
class attr simple 20 33.3%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family
Kind Count Ratio
deferred

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

260 0.0%
hit

Specialized instructions that complete.

2,756,860 100.0%
Success Count Ratio
Success 260 100.0%
Failure 0 0.0%

POP_JUMP_IF_FALSE

specialization stats for POP_JUMP_IF_FALSE family

POP_JUMP_IF_NOT_NONE

specialization stats for POP_JUMP_IF_NOT_NONE family

POP_JUMP_IF_TRUE

specialization stats for POP_JUMP_IF_TRUE family

STORE_ATTR

specialization stats for STORE_ATTR family
Kind Count Ratio
hit

Specialized instructions that complete.

240 100.0%

TO_BOOL

specialization stats for TO_BOOL family
Kind Count Ratio
deferred

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

780 25.8%
hit

Specialized instructions that complete.

2,100 69.5%
Success Count Ratio
Success 60 42.9%
Failure 80 57.1%
Failure kind Count Ratio
dict 80 100.0%

UNPACK_SEQUENCE

specialization stats for UNPACK_SEQUENCE family
Kind Count Ratio
deferred

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

60 0.0%
hit

Specialized instructions that complete.

5,504,100 100.0%
Success Count Ratio
Success 60 100.0%
Failure 0 0.0%

Specialization effectiveness

specialization effectiveness

All entries are execution counts. Should add up to the total number of Tier 1 instructions executed.

Instructions Count Ratio
Basic

Instructions that are not and cannot be specialized, e.g. LOAD_FAST.

55,076,040 62.5%
Not specialized

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

2,762,880 3.1%
Specialized hits

Specialized instructions, e.g. LOAD_ATTR_MODULE that complete.

30,300,460 34.4%
Specialized misses

Specialized instructions, e.g. LOAD_ATTR_MODULE that deopt.

60 0.0%

Deferred by instruction

Breakdown of deferred (not specialized) instruction counts by family
Name Count Ratio
TO_BOOL 780 33.9%
LOAD_ATTR 520 22.6%
CALL 440 19.1%
LOAD_GLOBAL 260 11.3%
BINARY_OP 180 7.8%
UNPACK_SEQUENCE 60 2.6%
FOR_ITER 40 1.7%
COMPARE_OP 20 0.9%
BINARY_SLICE 0 0.0%
STORE_SLICE 0 0.0%

Misses by instruction

Breakdown of misses (specialized deopts) instruction counts by family
Name Count Ratio
BINARY_OP_ADD_FLOAT 60 100.0%
CACHE 0 0.0%
BEFORE_WITH 0 0.0%
GET_ITER 0 0.0%
INTERPRETER_EXIT 0 0.0%
NOP 0 0.0%
POP_TOP 0 0.0%
PUSH_NULL 0 0.0%
RETURN_VALUE 0 0.0%
BUILD_LIST 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 160 0.0%
Calls to Python functions inlined 8,256,320 100.0%
Calls via PyEval_EvalFrame (total) 160 0.0%
Calls via PyEval_EvalFrame (vector) 160 0.0%
Calls via PyEval_EvalFrame (generator) 0 0.0%
Calls via PyEval_EvalFrame (legacy) 0 0.0%
Calls via PyEval_EvalFrame (function vectorcall) 160 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) 160 0.0%
Calls via PyEval_EvalFrame (api) 80 0.0%
Calls via PyEval_EvalFrame (method) 0 0.0%
Frame objects created 0 0.0%
Frames pushed 8,256,480 100.0%

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 22,024,520 14.3%
Frees to freelist 22,025,120
Allocations 132,238,720 85.7%
Allocations to 512 bytes 132,102,820 85.6%
Allocations to 4 kbytes 135,500 0.1%
Allocations over 4 kbytes 400 0.0%
Frees 137,742,073
Inline values 80
Interpreter increfs 115,616,120 31.3%
Interpreter decrefs 129,385,620 25.8%
Increfs 253,374,834 68.7%
Decrefs 371,852,027 74.2%
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 4,097
Method cache misses 243
Method cache collisions 180
Method cache dunder hits 417
Method cache dunder misses 3

GC stats

GC collections and effectiveness

Collected/visits gives some measure of efficiency.

Generation Collections Objects collected Object visits
0 0 0 0
1 0 0 0
2 0 0 0

Optimization (Tier 2) stats

statistics about the Tier 2 optimizer
Count Ratio
Optimization attempts

The number of times a potential trace is identified. Specifically, this occurs in the JUMP BACKWARD instruction when the counter reaches a threshold.

840
Traces created

The number of traces that were successfully created.

60 7.1%
Trace stack overflow

A trace is truncated because it would require more than 5 stack frames.

0 0.0%
Trace stack underflow

A potential trace is abandoned because it pops more frames than it pushes.

0 0.0%
Trace too long

A trace is truncated because it is longer than the instruction buffer.

0 0.0%
Trace too short

A potential trace is abandoced because it it too short.

780 92.9%
Inner loop found

A trace is truncated because it has an inner loop

0 0.0%
Recursive call

A trace is truncated because it has a recursive call.

0 0.0%
Low confidence

A trace is abandoned because the likelihood of the jump to top being taken is too low.

0 0.0%
Executors invalidated

The number of executors that were invalidated due to watched dictionary changes.

0 0.0%
Traces executed

The number of traces that were executed

5,509,140
Uops executed

The total number of uops (micro-operations) that were executed

258,701,220 4,695.9%
Count Ratio
Optimizer attempts

The number of times the trace optimizer (_Py_uop_analyze_and_optimize) was run.

60
Optimizer successes

The number of traces that were successfully optimized.

60 100.0%
Optimizer no memory

The number of optimizations that failed due to no memory.

0 0.0%
Remove globals builtins changed

The builtins changed during optimization

0 0.0%
Remove globals incorrect keys

The keys in the globals dictionary aren't what was expected

0 0.0%

Trace length histogram

trace length histogram
Range Count Ratio
<= 1 0 0.0%
<= 2 0 0.0%
<= 4 0 0.0%
<= 8 0 0.0%
<= 16 0 0.0%
<= 32 0 0.0%
<= 64 20 33.3%
<= 128 0 0.0%
<= 256 40 66.7%

Optimized trace length histogram

optimized trace length histogram
Range Count Ratio
<= 1 0 0.0%
<= 2 0 0.0%
<= 4 0 0.0%
<= 8 0 0.0%
<= 16 0 0.0%
<= 32 20 33.3%
<= 64 0 0.0%
<= 128 40 66.7%

Trace run length histogram

trace run length histogram
Range Count Ratio
<= 1 0 0.0%
<= 2 0 0.0%
<= 4 0 0.0%
<= 8 2,640 0.0%
<= 16 0 0.0%
<= 32 1,280 0.0%
<= 64 0 0.0%
<= 128 2,751,280 49.9%

Uop execution stats

uop execution stats
Name Count Self Cumulative Miss ratio
_SET_IP 19,264,560 7.4% 7.4%
_CHECK_VALIDITY 19,264,560 7.4% 14.9%
_GUARD_IS_NONE_POP 16,507,680 6.4% 21.3%
_GUARD_TYPE_VERSION 11,006,360 4.3% 25.5%
_LOAD_FAST_0 11,005,120 4.3% 29.8%
_CHECK_PERIODIC 8,257,280 3.2% 33.0%
_LOAD_CONST 8,253,840 3.2% 36.2%
_LOAD_FAST_1 8,253,840 3.2% 39.4%
_PUSH_NULL 5,506,000 2.1% 41.5%
_LOAD_CONST_INLINE 5,506,000 2.1% 43.6%
_CHECK_FUNCTION 5,503,840 2.1% 45.7%
_LOAD_FAST 5,503,840 2.1% 47.9%
_LOAD_ATTR_METHOD_NO_DICT 5,503,800 2.1% 50.0%
_RESUME_CHECK 5,502,560 2.1% 52.1%
_TO_BOOL_BOOL 5,502,560 2.1% 54.2%
_CALL_METHOD_DESCRIPTOR_FAST 5,502,560 2.1% 56.4%
_CHECK_FUNCTION_VERSION 5,502,560 2.1% 58.5%
_GUARD_DORV_VALUES_INST_ATTR_FROM_DICT 5,502,560 2.1% 60.6%
_GUARD_IS_FALSE_POP 5,502,560 2.1% 62.8%
_GUARD_IS_TRUE_POP 5,502,560 2.1% 64.9%
_GUARD_KEYS_VERSION 5,502,560 2.1% 67.0%
_LOAD_ATTR_METHOD_WITH_VALUES 5,502,560 2.1% 69.1%
_LOAD_FAST_2 5,502,560 2.1% 71.3%
_PUSH_FRAME 5,502,560 2.1% 73.4%
_PY_FRAME_GENERAL 5,502,560 2.1% 75.5%
_SAVE_RETURN_OFFSET 5,502,560 2.1% 77.6%
_EXIT_TRACE 2,755,200 1.1% 78.7%
_START_EXECUTOR 2,755,200 1.1% 79.8%
_CALL_NON_PY_GENERAL 2,754,720 1.1% 80.8%
_CHECK_IS_NOT_PY_CALLABLE 2,754,720 1.1% 81.9%
_COLD_EXIT 2,753,940 1.1% 83.0%
_TIER2_RESUME_CHECK 2,753,920 1.1% 84.0%
_GUARD_NOT_EXHAUSTED_LIST 2,753,840 1.1% 85.1% 0.1%
_ITER_CHECK_LIST 2,753,840 1.1% 86.2%
_LOAD_FAST_7 2,753,800 1.1% 87.2%
_LOAD_FAST_3 2,753,440 1.1% 88.3%
_LOAD_FAST_4 2,752,560 1.1% 89.4%
_STORE_FAST 2,752,560 1.1% 90.4%
_LOAD_FAST_5 2,752,520 1.1% 91.5%
_CALL_ISINSTANCE 2,751,280 1.1% 92.5%
_TO_BOOL_STR 2,751,280 1.1% 93.6%
_CHECK_PEP_523 2,751,280 1.1% 94.7%
_ITER_NEXT_LIST 2,751,280 1.1% 95.7%
_LOAD_CONST_INLINE_BORROW 2,751,280 1.1% 96.8%
_LOAD_CONST_INLINE_WITH_NULL 2,751,280 1.1% 97.9%
_LOAD_FAST_6 2,751,280 1.1% 98.9%
_TO_BOOL 2,751,280 1.1% 100.0%
_GUARD_NOT_EXHAUSTED_RANGE 2,240 0.0% 100.0% 3.6%
_ITER_CHECK_RANGE 2,240 0.0% 100.0%
_GET_ITER 2,160 0.0% 100.0%
_ITER_NEXT_RANGE 2,160 0.0% 100.0%
_STORE_FAST_6 2,160 0.0% 100.0%
_STORE_FAST_7 2,160 0.0% 100.0%
_GUARD_NOS_FLOAT 1,280 0.0% 100.0% 3.1%
_POP_TOP 1,280 0.0% 100.0%
_BINARY_OP_SUBTRACT_FLOAT 1,280 0.0% 100.0%
_GUARD_BOTH_FLOAT 1,280 0.0% 100.0%
_BINARY_OP_ADD_FLOAT 1,240 0.0% 100.0%
_STORE_FAST_4 1,240 0.0% 100.0%

Pair counts

Pair counts for top 100 Non-JIT uop pairs

Pairs of specialized operations that deoptimize and are then followed by the corresponding unspecialized instruction are not counted as pairs.

Pair Count Self Cumulative
_CHECK_PERIODIC _CHECK_VALIDITY 8,257,280 3.2% 3.2%
_GUARD_TYPE_VERSION _LOAD_ATTR_METHOD_NO_DICT 5,503,800 2.1% 5.3%
_LOAD_CONST _SET_IP 5,502,560 2.1% 7.4%
_SET_IP _CALL_METHOD_DESCRIPTOR_FAST 5,502,560 2.1% 9.6%
_CALL_METHOD_DESCRIPTOR_FAST _CHECK_PERIODIC 5,502,560 2.1% 11.7%
_CHECK_FUNCTION_VERSION _PY_FRAME_GENERAL 5,502,560 2.1% 13.8%
_CHECK_VALIDITY _RESUME_CHECK 5,502,560 2.1% 16.0%
_CHECK_VALIDITY _TO_BOOL_BOOL 5,502,560 2.1% 18.1%
_GUARD_DORV_VALUES_INST_ATTR_FROM_DICT _GUARD_KEYS_VERSION 5,502,560 2.1% 20.2%
_GUARD_KEYS_VERSION _LOAD_ATTR_METHOD_WITH_VALUES 5,502,560 2.1% 22.3%
_GUARD_TYPE_VERSION _GUARD_DORV_VALUES_INST_ATTR_FROM_DICT 5,502,560 2.1% 24.5%
_LOAD_FAST_0 _GUARD_TYPE_VERSION 5,502,560 2.1% 26.6%
_PUSH_FRAME _CHECK_VALIDITY 5,502,560 2.1% 28.7%
_PY_FRAME_GENERAL _SAVE_RETURN_OFFSET 5,502,560 2.1% 30.8%
_SAVE_RETURN_OFFSET _PUSH_FRAME 5,502,560 2.1% 33.0%
_SET_IP _CHECK_IS_NOT_PY_CALLABLE 2,754,720 1.1% 34.0%
_CALL_NON_PY_GENERAL _CHECK_PERIODIC 2,754,720 1.1% 35.1%
_CHECK_IS_NOT_PY_CALLABLE _CALL_NON_PY_GENERAL 2,754,720 1.1% 36.2%
_LOAD_CONST_INLINE _PUSH_NULL 2,754,720 1.1% 37.2%
_START_EXECUTOR _TIER2_RESUME_CHECK 2,753,920 1.1% 38.3%
_ITER_CHECK_LIST _GUARD_NOT_EXHAUSTED_LIST 2,753,840 1.1% 39.4%
_CHECK_FUNCTION _LOAD_CONST_INLINE 2,752,560 1.1% 40.4%
_TIER2_RESUME_CHECK _ITER_CHECK_LIST 2,751,680 1.1% 41.5%
_PUSH_NULL _LOAD_FAST 2,751,280 1.1% 42.5%
_PUSH_NULL _LOAD_FAST_1 2,751,280 1.1% 43.6%
_LOAD_CONST _EXIT_TRACE 2,751,280 1.1% 44.7%
_CALL_ISINSTANCE _CHECK_VALIDITY 2,751,280 1.1% 45.7%
_RESUME_CHECK _CHECK_FUNCTION 2,751,280 1.1% 46.8%
_RESUME_CHECK _LOAD_FAST_0 2,751,280 1.1% 47.9%
_TO_BOOL_BOOL _GUARD_IS_FALSE_POP 2,751,280 1.1% 48.9%
_TO_BOOL_BOOL _GUARD_IS_TRUE_POP 2,751,280 1.1% 50.0%
_TO_BOOL_STR _GUARD_IS_TRUE_POP 2,751,280 1.1% 51.1%
_SET_IP _CALL_ISINSTANCE 2,751,280 1.1% 52.1%
_SET_IP _CHECK_FUNCTION_VERSION 2,751,280 1.1% 53.2%
_SET_IP _CHECK_PEP_523 2,751,280 1.1% 54.2%
_SET_IP _TO_BOOL 2,751,280 1.1% 55.3%
_CHECK_FUNCTION _LOAD_CONST_INLINE_WITH_NULL 2,751,280 1.1% 56.4%
_CHECK_PEP_523 _CHECK_FUNCTION_VERSION 2,751,280 1.1% 57.4%
_CHECK_VALIDITY _LOAD_CONST 2,751,280 1.1% 58.5%
_CHECK_VALIDITY _GUARD_IS_FALSE_POP 2,751,280 1.1% 59.6%
_CHECK_VALIDITY _GUARD_TYPE_VERSION 2,751,280 1.1% 60.6%
_GUARD_IS_FALSE_POP _LOAD_CONST_INLINE 2,751,280 1.1% 61.7%
_GUARD_IS_FALSE_POP _LOAD_FAST_1 2,751,280 1.1% 62.8%
_GUARD_IS_NONE_POP _LOAD_FAST_2 2,751,280 1.1% 63.8%
_GUARD_IS_NONE_POP _LOAD_FAST_3 2,751,280 1.1% 64.9%
_GUARD_IS_NONE_POP _LOAD_FAST_4 2,751,280 1.1% 65.9%
_GUARD_IS_NONE_POP _LOAD_FAST_5 2,751,280 1.1% 67.0%
_GUARD_IS_NONE_POP _LOAD_FAST_6 2,751,280 1.1% 68.1%
_GUARD_IS_NONE_POP _LOAD_FAST_7 2,751,280 1.1% 69.1%
_GUARD_IS_TRUE_POP _LOAD_FAST_0 2,751,280 1.1% 70.2%
_GUARD_NOT_EXHAUSTED_LIST _ITER_NEXT_LIST 2,751,280 1.1% 71.3%
_ITER_NEXT_LIST _STORE_FAST 2,751,280 1.1% 72.3%
_LOAD_ATTR_METHOD_NO_DICT _LOAD_CONST 2,751,280 1.1% 73.4%
_LOAD_ATTR_METHOD_NO_DICT _SET_IP 2,751,280 1.1% 74.5%
_LOAD_ATTR_METHOD_WITH_VALUES _LOAD_FAST_0 2,751,280 1.1% 75.5%
_LOAD_ATTR_METHOD_WITH_VALUES _LOAD_FAST_1 2,751,280 1.1% 76.6%
_LOAD_CONST_INLINE _GUARD_TYPE_VERSION 2,751,280 1.1% 77.6%
_LOAD_CONST_INLINE_BORROW _SET_IP 2,751,280 1.1% 78.7%
_LOAD_CONST_INLINE_WITH_NULL _LOAD_FAST_0 2,751,280 1.1% 79.8%
_LOAD_FAST _TO_BOOL_STR 2,751,280 1.1% 80.8%
_LOAD_FAST _SET_IP 2,751,280 1.1% 81.9%
_LOAD_FAST_0 _SET_IP 2,751,280 1.1% 83.0%
_LOAD_FAST_0 _LOAD_CONST_INLINE_BORROW 2,751,280 1.1% 84.0%
_LOAD_FAST_1 _LOAD_CONST 2,751,280 1.1% 85.1%
_LOAD_FAST_1 _GUARD_IS_NONE_POP 2,751,280 1.1% 86.2%
_LOAD_FAST_1 _LOAD_FAST_2 2,751,280 1.1% 87.2%
_LOAD_FAST_2 _PUSH_NULL 2,751,280 1.1% 88.3%
_LOAD_FAST_2 _GUARD_IS_NONE_POP 2,751,280 1.1% 89.3%
_LOAD_FAST_3 _GUARD_IS_NONE_POP 2,751,280 1.1% 90.4%
_LOAD_FAST_4 _GUARD_IS_NONE_POP 2,751,280 1.1% 91.5%
_LOAD_FAST_5 _GUARD_IS_NONE_POP 2,751,280 1.1% 92.5%
_LOAD_FAST_6 _GUARD_IS_NONE_POP 2,751,280 1.1% 93.6%
_LOAD_FAST_7 _SET_IP 2,751,280 1.1% 94.7%
_STORE_FAST _LOAD_FAST 2,751,280 1.1% 95.7%
_TO_BOOL _CHECK_VALIDITY 2,751,280 1.1% 96.8%
_GUARD_IS_TRUE_POP _CHECK_FUNCTION 2,749,120 1.1% 97.9%
_PUSH_NULL _SET_IP 3,440 0.0% 97.9%
_GUARD_NOT_EXHAUSTED_LIST _EXIT_TRACE 2,560 0.0% 97.9%
_ITER_CHECK_RANGE _GUARD_NOT_EXHAUSTED_RANGE 2,240 0.0% 97.9%
_TIER2_RESUME_CHECK _ITER_CHECK_RANGE 2,240 0.0% 97.9%
_GET_ITER _CHECK_VALIDITY 2,160 0.0% 97.9%
_SET_IP _GET_ITER 2,160 0.0% 97.9%
_CHECK_VALIDITY _ITER_CHECK_LIST 2,160 0.0% 97.9%
_CHECK_VALIDITY _STORE_FAST_7 2,160 0.0% 97.9%
_GUARD_IS_TRUE_POP _LOAD_CONST_INLINE 2,160 0.0% 97.9%
_GUARD_NOT_EXHAUSTED_RANGE _ITER_NEXT_RANGE 2,160 0.0% 97.9%
_ITER_NEXT_RANGE _STORE_FAST_6 2,160 0.0% 97.9%
_LOAD_FAST_3 _SET_IP 2,160 0.0% 97.9%
_STORE_FAST_6 _CHECK_FUNCTION 2,160 0.0% 97.9%
_STORE_FAST_7 _LOAD_FAST_3 2,160 0.0% 97.9%
_POP_TOP _CHECK_FUNCTION 1,280 0.0% 97.9%
_BINARY_OP_SUBTRACT_FLOAT _GUARD_NOS_FLOAT 1,280 0.0% 97.9%
_CHECK_VALIDITY _STORE_FAST 1,280 0.0% 97.9%
_GUARD_BOTH_FLOAT _BINARY_OP_SUBTRACT_FLOAT 1,280 0.0% 97.9%
_LOAD_FAST _LOAD_FAST_7 1,280 0.0% 97.9%
_LOAD_FAST_4 _LOAD_FAST 1,280 0.0% 97.9%
_LOAD_FAST_7 _GUARD_BOTH_FLOAT 1,280 0.0% 97.9%
_START_EXECUTOR _POP_TOP 1,280 0.0% 97.9%
_STORE_FAST _LOAD_FAST_4 1,280 0.0% 97.9%
_BINARY_OP_ADD_FLOAT _STORE_FAST_4 1,240 0.0% 97.9%

Unsupported opcodes

unsupported opcodes
Opcode Count
CALL_KW 820
CALL_LIST_APPEND 20

Optimizer errored out with opcode

Optimization stopped after encountering this opcode

Rare events

Counts of rare/unlikely events
Event Count
set class

Setting an object's class, obj.__class__ = ...

0
set bases

Setting the bases of a class, cls.__bases__ = ...

0
set eval frame func

Setting the PEP 523 frame eval function _PyInterpreterState_SetFrameEvalFunc()

0
builtin dict

Modifying the builtins, __builtins__.__dict__[var] = ...

0
func modification

Modifying a function, e.g. func.__defaults__ = ..., etc.

0
watched dict modification

A watched dict has been modified

0
watched globals modification

A watched globals() dict has been modified

0

Meta stats

Meta statistics
Count
Number of data files 20

Stats gathered on: 2024-06-16