Skip to content

Latest commit

 

History

History
8115 lines (7479 loc) · 150 KB

bm-20240615-azure-x86_64-python-a19bb261a327e1008f21-3.13.0b2+-a19bb26-pystats-nqueens.md

File metadata and controls

8115 lines (7479 loc) · 150 KB

Pystats results

  • benchmark: nqueens
  • 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
POP_TOP 138,537,680 16.4% 16.4%
RESUME_CHECK 119,181,460 14.1% 30.6% 0.0%
INTERPRETER_EXIT 119,179,380 14.1% 44.7%
YIELD_VALUE 112,389,760 13.3% 58.1%
ENTER_EXECUTOR 112,377,460 13.3% 71.4%
LOAD_FAST 53,311,920 6.3% 77.7%
LOAD_GLOBAL_BUILTIN 13,582,180 1.6% 79.4%
LOAD_DEREF 13,256,640 1.6% 80.9%
STORE_FAST 13,245,240 1.6% 82.5%
BINARY_SUBSCR_TUPLE_INT 13,241,520 1.6% 84.1%
RETURN_CONST 13,240,960 1.6% 85.6%
LOAD_CONST 6,797,440 0.8% 86.5%
GET_ITER 6,791,640 0.8% 87.3%
RETURN_GENERATOR 6,791,240 0.8% 88.1%
CALL_BUILTIN_CLASS 6,791,060 0.8% 88.9%
COPY_FREE_VARS 6,791,000 0.8% 89.7%
CALL_PY_EXACT_ARGS 6,790,980 0.8% 90.5%
MAKE_FUNCTION 6,790,920 0.8% 91.3%
BUILD_TUPLE 6,790,920 0.8% 92.1%
SET_FUNCTION_ATTRIBUTE 6,790,920 0.8% 92.9%
FOR_ITER_RANGE 6,790,880 0.8% 93.7%
COMPARE_OP_INT 6,790,080 0.8% 94.5%
CALL_LEN 6,789,380 0.8% 95.3%
SWAP 6,454,280 0.8% 96.1%
POP_JUMP_IF_FALSE 6,454,240 0.8% 96.8%
BINARY_OP_ADD_INT 6,452,900 0.8% 97.6%
COPY 6,452,800 0.8% 98.4%
FOR_ITER_LIST 6,451,800 0.8% 99.1%
STORE_DEREF 6,451,360 0.8% 99.9%
BINARY_OP_SUBTRACT_INT 339,840 0.0% 100.0%
POP_JUMP_IF_TRUE 338,080 0.0% 100.0%
JUMP_FORWARD 16,720 0.0% 100.0%
LOAD_FAST_LOAD_FAST 12,160 0.0% 100.0%
BINARY_SUBSCR_LIST_INT 4,480 0.0% 100.0%
JUMP_BACKWARD 3,220 0.0% 100.0%
UNARY_NEGATIVE 2,960 0.0% 100.0%
BINARY_SLICE 2,840 0.0% 100.0%
STORE_SUBSCR_LIST_INT 2,820 0.0% 100.0%
TO_BOOL_INT 2,120 0.0% 100.0%
BINARY_SUBSCR 2,100 0.0% 100.0%
CALL_TUPLE_1 1,740 0.0% 100.0%
STORE_SUBSCR 1,700 0.0% 100.0%
FOR_ITER_GEN 1,100 0.0% 100.0%
BINARY_OP 1,080 0.0% 100.0%
CALL 1,080 0.0% 100.0%
LOAD_GLOBAL 840 0.0% 100.0%
STORE_SLICE 600 0.0% 100.0%
PUSH_NULL 480 0.0% 100.0%
LOAD_GLOBAL_MODULE 400 0.0% 100.0%
MAKE_CELL 320 0.0% 100.0%
CALL_NON_PY_GENERAL 320 0.0% 100.0%
RESUME 300 0.0% 100.0% 6.7%
FOR_ITER 280 0.0% 100.0%
END_FOR 160 0.0% 100.0%
BUILD_SLICE 160 0.0% 100.0%
COMPARE_OP 160 0.0% 100.0%
POP_JUMP_IF_NOT_NONE 160 0.0% 100.0%
CALL_PY_GENERAL 140 0.0% 100.0%
LOAD_ATTR_MODULE 120 0.0% 100.0%
NOP 80 0.0% 100.0%
RETURN_VALUE 80 0.0% 100.0%
TO_BOOL 80 0.0% 100.0%
CALL_FUNCTION_EX 80 0.0% 100.0%
LOAD_ATTR 80 0.0% 100.0%
BINARY_OP_SUBTRACT_FLOAT 60 0.0% 100.0%

Pair counts

Pair counts for top 100 opcode pairs

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

Pair Count Self Cumulative
POP_TOP ENTER_EXECUTOR 112,049,640 13.3% 13.3%
RESUME_CHECK POP_TOP 105,940,580 12.6% 25.9%
CACHE RESUME_CHECK 105,938,600 12.6% 38.4%
YIELD_VALUE INTERPRETER_EXIT 105,938,580 12.6% 51.0%
ENTER_EXECUTOR YIELD_VALUE 99,131,700 11.8% 62.8%
STORE_FAST LOAD_DEREF 13,241,680 1.6% 64.4%
LOAD_DEREF LOAD_FAST 13,241,600 1.6% 65.9%
LOAD_FAST BINARY_SUBSCR_TUPLE_INT 13,241,440 1.6% 67.5%
POP_TOP RETURN_CONST 13,240,800 1.6% 69.1%
RETURN_CONST INTERPRETER_EXIT 13,240,800 1.6% 70.6%
POP_TOP RESUME_CHECK 13,240,680 1.6% 72.2%
CACHE POP_TOP 13,240,660 1.6% 73.8%
ENTER_EXECUTOR POP_TOP 13,240,480 1.6% 75.4%
RESUME_CHECK LOAD_FAST 13,240,400 1.6% 76.9%
LOAD_GLOBAL_BUILTIN LOAD_FAST 6,791,780 0.8% 77.7%
MAKE_FUNCTION SET_FUNCTION_ATTRIBUTE 6,790,920 0.8% 78.5%
BUILD_TUPLE LOAD_CONST 6,790,920 0.8% 79.4%
COPY_FREE_VARS RETURN_GENERATOR 6,790,920 0.8% 80.2%
LOAD_CONST MAKE_FUNCTION 6,790,920 0.8% 81.0%
LOAD_FAST BUILD_TUPLE 6,790,920 0.8% 81.8%
SET_FUNCTION_ATTRIBUTE LOAD_FAST 6,790,920 0.8% 82.6%
CALL_PY_EXACT_ARGS COPY_FREE_VARS 6,790,840 0.8% 83.4%
GET_ITER CALL_PY_EXACT_ARGS 6,790,760 0.8% 84.2%
FOR_ITER_RANGE STORE_FAST 6,790,720 0.8% 85.0%
LOAD_GLOBAL_BUILTIN LOAD_GLOBAL_BUILTIN 6,789,880 0.8% 85.8%
BINARY_SUBSCR_TUPLE_INT LOAD_FAST 6,789,800 0.8% 86.6%
LOAD_FAST GET_ITER 6,789,360 0.8% 87.4%
RETURN_GENERATOR CALL_BUILTIN_CLASS 6,789,320 0.8% 88.2%
LOAD_FAST FOR_ITER_RANGE 6,789,240 0.8% 89.0%
CALL_BUILTIN_CLASS CALL_LEN 6,789,200 0.8% 89.8%
COMPARE_OP_INT POP_JUMP_IF_FALSE 6,452,020 0.8% 90.6%
BINARY_SUBSCR_TUPLE_INT YIELD_VALUE 6,451,720 0.8% 91.4%
FOR_ITER_LIST STORE_FAST 6,451,720 0.8% 92.1%
BINARY_OP_ADD_INT YIELD_VALUE 6,451,460 0.8% 92.9%
LOAD_FAST BINARY_OP_ADD_INT 6,451,440 0.8% 93.7%
STORE_DEREF LOAD_FAST 6,451,200 0.8% 94.4%
SWAP COPY 6,451,200 0.8% 95.2%
YIELD_VALUE STORE_DEREF 6,451,180 0.8% 96.0%
CALL_LEN SWAP 6,451,180 0.8% 96.7%
COPY COMPARE_OP_INT 6,451,160 0.8% 97.5%
LOAD_FAST FOR_ITER_LIST 6,451,160 0.8% 98.3%
LOAD_FAST LOAD_GLOBAL_BUILTIN 6,451,160 0.8% 99.0%
POP_JUMP_IF_FALSE POP_TOP 6,113,120 0.7% 99.7%
BINARY_OP_SUBTRACT_INT YIELD_VALUE 338,340 0.0% 99.8%
LOAD_FAST BINARY_OP_SUBTRACT_INT 338,320 0.0% 99.8%
POP_JUMP_IF_FALSE LOAD_GLOBAL_BUILTIN 338,220 0.0% 99.9%
COMPARE_OP_INT POP_JUMP_IF_TRUE 338,060 0.0% 99.9%
CALL_LEN COMPARE_OP_INT 338,040 0.0% 99.9%
POP_JUMP_IF_TRUE ENTER_EXECUTOR 323,020 0.0% 100.0%
JUMP_FORWARD LOAD_DEREF 14,720 0.0% 100.0%
LOAD_DEREF YIELD_VALUE 14,720 0.0% 100.0%
POP_JUMP_IF_TRUE JUMP_FORWARD 14,720 0.0% 100.0%
LOAD_FAST_LOAD_FAST BINARY_SUBSCR_LIST_INT 3,640 0.0% 100.0%
LOAD_FAST_LOAD_FAST UNARY_NEGATIVE 2,960 0.0% 100.0%
ENTER_EXECUTOR ENTER_EXECUTOR 2,540 0.0% 100.0%
LOAD_FAST LOAD_CONST 2,480 0.0% 100.0%
STORE_FAST LOAD_FAST_LOAD_FAST 2,280 0.0% 100.0%
STORE_SUBSCR_LIST_INT LOAD_FAST_LOAD_FAST 2,240 0.0% 100.0%
POP_TOP JUMP_BACKWARD 2,200 0.0% 100.0%
TO_BOOL_INT POP_JUMP_IF_FALSE 2,120 0.0% 100.0%
LOAD_FAST TO_BOOL_INT 2,080 0.0% 100.0%
POP_TOP POP_TOP 2,000 0.0% 100.0%
POP_TOP JUMP_FORWARD 2,000 0.0% 100.0%
JUMP_FORWARD LOAD_FAST 2,000 0.0% 100.0%
LOAD_FAST_LOAD_FAST STORE_SUBSCR_LIST_INT 2,000 0.0% 100.0%
POP_JUMP_IF_FALSE ENTER_EXECUTOR 1,660 0.0% 100.0%
BINARY_SLICE GET_ITER 1,640 0.0% 100.0%
LOAD_CONST LOAD_FAST 1,640 0.0% 100.0%
LOAD_FAST BINARY_SLICE 1,640 0.0% 100.0%
CALL_TUPLE_1 YIELD_VALUE 1,600 0.0% 100.0%
RETURN_GENERATOR CALL_TUPLE_1 1,560 0.0% 100.0%
BINARY_SUBSCR_LIST_INT LOAD_CONST 1,560 0.0% 100.0%
BINARY_SUBSCR LOAD_FAST_LOAD_FAST 1,480 0.0% 100.0%
UNARY_NEGATIVE BINARY_SUBSCR 1,480 0.0% 100.0%
UNARY_NEGATIVE STORE_SUBSCR 1,480 0.0% 100.0%
ENTER_EXECUTOR RESUME_CHECK 1,480 0.0% 100.0%
SWAP LOAD_FAST_LOAD_FAST 1,480 0.0% 100.0%
BINARY_SUBSCR_LIST_INT STORE_FAST 1,460 0.0% 100.0%
BINARY_SUBSCR_LIST_INT SWAP 1,460 0.0% 100.0%
STORE_SUBSCR LOAD_GLOBAL_BUILTIN 1,440 0.0% 100.0%
LOAD_CONST BINARY_OP_ADD_INT 1,360 0.0% 100.0%
ENTER_EXECUTOR LOAD_FAST_LOAD_FAST 1,260 0.0% 100.0%
LOAD_FAST_LOAD_FAST LOAD_CONST 1,200 0.0% 100.0%
JUMP_BACKWARD FOR_ITER_RANGE 1,040 0.0% 100.0%
JUMP_BACKWARD FOR_ITER_GEN 940 0.0% 100.0%
COPY COPY 800 0.0% 100.0%
LOAD_CONST COMPARE_OP_INT 800 0.0% 100.0%
LOAD_FAST_LOAD_FAST COPY 800 0.0% 100.0%
POP_JUMP_IF_FALSE LOAD_FAST_LOAD_FAST 800 0.0% 100.0%
SWAP SWAP 800 0.0% 100.0%
BINARY_OP_SUBTRACT_INT SWAP 780 0.0% 100.0%
COPY BINARY_SUBSCR_LIST_INT 760 0.0% 100.0%
LOAD_CONST BINARY_OP_SUBTRACT_INT 760 0.0% 100.0%
SWAP STORE_SUBSCR_LIST_INT 760 0.0% 100.0%
LOAD_FAST CALL_BUILTIN_CLASS 720 0.0% 100.0%
LOAD_FAST_LOAD_FAST BINARY_OP_SUBTRACT_INT 680 0.0% 100.0%
CALL_BUILTIN_CLASS CALL_BUILTIN_CLASS 680 0.0% 100.0%
STORE_FAST LOAD_FAST 640 0.0% 100.0%
BINARY_OP LOAD_FAST_LOAD_FAST 620 0.0% 100.0%
BINARY_SLICE BINARY_OP 600 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_FAST 1,640 57.7%
LOAD_CONST 600 21.1%
BINARY_OP_ADD_INT 580 20.4%
BINARY_OP 20 0.7%
Successors Count Percentage
GET_ITER 1,640 57.7%
BINARY_OP 600 21.1%
LOAD_FAST_LOAD_FAST 600 21.1%

STORE_SLICE

Successors and predecessors for STORE_SLICE
Predecessors Count Percentage
LOAD_CONST 600 100.0%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 600 100.0%

CACHE

Successors and predecessors for CACHE
Successors Count Percentage
RESUME_CHECK 105,938,600 88.9%
POP_TOP 13,240,660 11.1%
RESUME 120 0.0%

BINARY_SUBSCR

Successors and predecessors for BINARY_SUBSCR
Predecessors Count Percentage
UNARY_NEGATIVE 1,480 70.5%
BUILD_SLICE 160 7.6%
LOAD_FAST 160 7.6%
BINARY_SUBSCR 140 6.7%
LOAD_FAST_LOAD_FAST 120 5.7%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 1,480 70.5%
STORE_FAST 180 8.6%
BINARY_SUBSCR 140 6.7%
BINARY_SUBSCR_LIST_INT 80 3.8%
BINARY_SUBSCR_TUPLE_INT 80 3.8%

END_FOR

Successors and predecessors for END_FOR
Predecessors Count Percentage
RETURN_CONST 160 100.0%
Successors Count Percentage
POP_TOP 160 100.0%

GET_ITER

Successors and predecessors for GET_ITER
Predecessors Count Percentage
LOAD_FAST 6,789,360 100.0%
BINARY_SLICE 1,640 0.0%
CALL_BUILTIN_CLASS 460 0.0%
RETURN_GENERATOR 160 0.0%
CALL 20 0.0%
Successors Count Percentage
CALL_PY_EXACT_ARGS 6,790,760 100.0%
FOR_ITER_RANGE 520 0.0%
CALL 160 0.0%
FOR_ITER_GEN 140 0.0%
FOR_ITER 60 0.0%

INTERPRETER_EXIT

Successors and predecessors for INTERPRETER_EXIT
Predecessors Count Percentage
YIELD_VALUE 105,938,580 88.9%
RETURN_CONST 13,240,800 11.1%

MAKE_FUNCTION

Successors and predecessors for MAKE_FUNCTION
Predecessors Count Percentage
LOAD_CONST 6,790,920 100.0%
Successors Count Percentage
SET_FUNCTION_ATTRIBUTE 6,790,920 100.0%

NOP

Successors and predecessors for NOP
Predecessors Count Percentage
POP_TOP 80 100.0%
Successors Count Percentage
LOAD_DEREF 80 100.0%

POP_TOP

Successors and predecessors for POP_TOP
Predecessors Count Percentage
RESUME_CHECK 105,940,580 76.5%
CACHE 13,240,660 9.6%
ENTER_EXECUTOR 13,240,480 9.6%
POP_JUMP_IF_FALSE 6,113,120 4.4%
POP_TOP 2,000 0.0%
Successors Count Percentage
ENTER_EXECUTOR 112,049,640 80.9%
RETURN_CONST 13,240,800 9.6%
RESUME_CHECK 13,240,680 9.6%
JUMP_BACKWARD 2,200 0.0%
POP_TOP 2,000 0.0%

PUSH_NULL

Successors and predecessors for PUSH_NULL
Predecessors Count Percentage
LOAD_FAST 320 66.7%
LOAD_DEREF 80 16.7%
LOAD_ATTR_MODULE 60 12.5%
LOAD_ATTR 20 4.2%
Successors Count Percentage
CALL_NON_PY_GENERAL 240 50.0%
CALL 160 33.3%
LOAD_FAST 80 16.7%

RETURN_GENERATOR

Successors and predecessors for RETURN_GENERATOR
Predecessors Count Percentage
COPY_FREE_VARS 6,790,920 100.0%
MAKE_CELL 320 0.0%
Successors Count Percentage
CALL_BUILTIN_CLASS 6,789,320 100.0%
CALL_TUPLE_1 1,560 0.0%
CALL 200 0.0%
GET_ITER 160 0.0%

RETURN_VALUE

Successors and predecessors for RETURN_VALUE
Predecessors Count Percentage
LOAD_FAST 80 100.0%
Successors Count Percentage
LOAD_GLOBAL 40 50.0%
LOAD_GLOBAL_MODULE 40 50.0%

STORE_SUBSCR

Successors and predecessors for STORE_SUBSCR
Predecessors Count Percentage
UNARY_NEGATIVE 1,480 87.1%
STORE_SUBSCR 100 5.9%
LOAD_FAST_LOAD_FAST 80 4.7%
SWAP 40 2.4%
Successors Count Percentage
LOAD_GLOBAL_BUILTIN 1,440 84.7%
STORE_SUBSCR 100 5.9%
STORE_SUBSCR_LIST_INT 60 3.5%
LOAD_FAST_LOAD_FAST 40 2.4%
LOAD_GLOBAL 40 2.4%

TO_BOOL

Successors and predecessors for TO_BOOL
Predecessors Count Percentage
LOAD_FAST 80 100.0%
Successors Count Percentage
POP_JUMP_IF_FALSE 40 50.0%
TO_BOOL_INT 40 50.0%

UNARY_NEGATIVE

Successors and predecessors for UNARY_NEGATIVE
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 2,960 100.0%
Successors Count Percentage
BINARY_SUBSCR 1,480 50.0%
STORE_SUBSCR 1,480 50.0%

BINARY_OP

Successors and predecessors for BINARY_OP
Predecessors Count Percentage
BINARY_SLICE 600 55.6%
LOAD_CONST 200 18.5%
LOAD_FAST 120 11.1%
BINARY_OP 80 7.4%
LOAD_FAST_LOAD_FAST 80 7.4%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 620 57.4%
BINARY_OP_ADD_INT 100 9.3%
BINARY_OP 80 7.4%
BINARY_OP_SUBTRACT_INT 80 7.4%
LOAD_CONST 40 3.7%

BUILD_SLICE

Successors and predecessors for BUILD_SLICE
Predecessors Count Percentage
LOAD_CONST 160 100.0%
Successors Count Percentage
BINARY_SUBSCR 160 100.0%

BUILD_TUPLE

Successors and predecessors for BUILD_TUPLE
Predecessors Count Percentage
LOAD_FAST 6,790,920 100.0%
Successors Count Percentage
LOAD_CONST 6,790,920 100.0%

CALL

Successors and predecessors for CALL
Predecessors Count Percentage
LOAD_FAST 280 25.9%
RETURN_GENERATOR 200 18.5%
GET_ITER 160 14.8%
PUSH_NULL 160 14.8%
CALL 100 9.3%
Successors Count Percentage
CALL_BUILTIN_CLASS 220 20.4%
CALL 100 9.3%
STORE_FAST 100 9.3%
CALL_PY_EXACT_ARGS 100 9.3%
COPY_FREE_VARS 80 7.4%

CALL_FUNCTION_EX

Successors and predecessors for CALL_FUNCTION_EX
Predecessors Count Percentage
LOAD_FAST 80 100.0%
Successors Count Percentage
COPY_FREE_VARS 80 100.0%

COMPARE_OP

Successors and predecessors for COMPARE_OP
Predecessors Count Percentage
LOAD_CONST 80 50.0%
COPY 40 25.0%
CALL 20 12.5%
CALL_LEN 20 12.5%
Successors Count Percentage
COMPARE_OP_INT 80 50.0%
POP_JUMP_IF_FALSE 60 37.5%
POP_JUMP_IF_TRUE 20 12.5%

COPY

Successors and predecessors for COPY
Predecessors Count Percentage
SWAP 6,451,200 100.0%
COPY 800 0.0%
LOAD_FAST_LOAD_FAST 800 0.0%
Successors Count Percentage
COMPARE_OP_INT 6,451,160 100.0%
COPY 800 0.0%
BINARY_SUBSCR_LIST_INT 760 0.0%
BINARY_SUBSCR 40 0.0%
COMPARE_OP 40 0.0%

COPY_FREE_VARS

Successors and predecessors for COPY_FREE_VARS
Predecessors Count Percentage
CALL_PY_EXACT_ARGS 6,790,840 100.0%
CALL 80 0.0%
CALL_FUNCTION_EX 80 0.0%
Successors Count Percentage
RETURN_GENERATOR 6,790,920 100.0%
RESUME_CHECK 60 0.0%
RESUME 20 0.0%

ENTER_EXECUTOR

Successors and predecessors for ENTER_EXECUTOR
Predecessors Count Percentage
POP_TOP 112,049,640 99.7%
POP_JUMP_IF_TRUE 323,020 0.3%
ENTER_EXECUTOR 2,540 0.0%
POP_JUMP_IF_FALSE 1,660 0.0%
FOR_ITER_GEN 320 0.0%
Successors Count Percentage
YIELD_VALUE 99,131,700 88.2%
POP_TOP 13,240,480 11.8%
ENTER_EXECUTOR 2,540 0.0%
RESUME_CHECK 1,480 0.0%
LOAD_FAST_LOAD_FAST 1,260 0.0%

FOR_ITER

Successors and predecessors for FOR_ITER
Predecessors Count Percentage
JUMP_BACKWARD 140 50.0%
LOAD_FAST 80 28.6%
GET_ITER 60 21.4%
Successors Count Percentage
STORE_FAST 120 42.9%
FOR_ITER_RANGE 80 28.6%
FOR_ITER_LIST 40 14.3%
STORE_DEREF 20 7.1%
FOR_ITER_GEN 20 7.1%

JUMP_BACKWARD

Successors and predecessors for JUMP_BACKWARD
Predecessors Count Percentage
POP_TOP 2,200 68.3%
POP_JUMP_IF_FALSE 340 10.6%
POP_JUMP_IF_TRUE 340 10.6%
STORE_SUBSCR_LIST_INT 320 9.9%
STORE_SUBSCR 20 0.6%
Successors Count Percentage
FOR_ITER_RANGE 1,040 32.3%
FOR_ITER_GEN 940 29.2%
FOR_ITER_LIST 600 18.6%
LOAD_GLOBAL_BUILTIN 300 9.3%
FOR_ITER 140 4.3%

JUMP_FORWARD

Successors and predecessors for JUMP_FORWARD
Predecessors Count Percentage
POP_JUMP_IF_TRUE 14,720 88.0%
POP_TOP 2,000 12.0%
Successors Count Percentage
LOAD_DEREF 14,720 88.0%
LOAD_FAST 2,000 12.0%

LOAD_ATTR

Successors and predecessors for LOAD_ATTR
Predecessors Count Percentage
LOAD_GLOBAL 40 50.0%
LOAD_GLOBAL_MODULE 40 50.0%
Successors Count Percentage
LOAD_ATTR_MODULE 40 50.0%
PUSH_NULL 20 25.0%
STORE_FAST 20 25.0%

LOAD_CONST

Successors and predecessors for LOAD_CONST
Predecessors Count Percentage
BUILD_TUPLE 6,790,920 99.9%
LOAD_FAST 2,480 0.0%
BINARY_SUBSCR_LIST_INT 1,560 0.0%
LOAD_FAST_LOAD_FAST 1,200 0.0%
BINARY_OP_ADD_INT 580 0.0%
Successors Count Percentage
MAKE_FUNCTION 6,790,920 99.9%
LOAD_FAST 1,640 0.0%
BINARY_OP_ADD_INT 1,360 0.0%
COMPARE_OP_INT 800 0.0%
BINARY_OP_SUBTRACT_INT 760 0.0%

LOAD_DEREF

Successors and predecessors for LOAD_DEREF
Predecessors Count Percentage
STORE_FAST 13,241,680 99.9%
JUMP_FORWARD 14,720 0.1%
LOAD_GLOBAL_BUILTIN 140 0.0%
NOP 80 0.0%
LOAD_GLOBAL 20 0.0%
Successors Count Percentage
LOAD_FAST 13,241,600 99.9%
YIELD_VALUE 14,720 0.1%
CALL_LEN 120 0.0%
PUSH_NULL 80 0.0%
STORE_FAST 80 0.0%

LOAD_FAST

Successors and predecessors for LOAD_FAST
Predecessors Count Percentage
LOAD_DEREF 13,241,600 24.8%
RESUME_CHECK 13,240,400 24.8%
LOAD_GLOBAL_BUILTIN 6,791,780 12.7%
SET_FUNCTION_ATTRIBUTE 6,790,920 12.7%
BINARY_SUBSCR_TUPLE_INT 6,789,800 12.7%
Successors Count Percentage
BINARY_SUBSCR_TUPLE_INT 13,241,440 24.8%
BUILD_TUPLE 6,790,920 12.7%
GET_ITER 6,789,360 12.7%
FOR_ITER_RANGE 6,789,240 12.7%
BINARY_OP_ADD_INT 6,451,440 12.1%

LOAD_FAST_LOAD_FAST

Successors and predecessors for LOAD_FAST_LOAD_FAST
Predecessors Count Percentage
STORE_FAST 2,280 18.8%
STORE_SUBSCR_LIST_INT 2,240 18.4%
BINARY_SUBSCR 1,480 12.2%
SWAP 1,480 12.2%
ENTER_EXECUTOR 1,260 10.4%
Successors Count Percentage
BINARY_SUBSCR_LIST_INT 3,640 29.9%
UNARY_NEGATIVE 2,960 24.3%
STORE_SUBSCR_LIST_INT 2,000 16.4%
LOAD_CONST 1,200 9.9%
COPY 800 6.6%

LOAD_GLOBAL

Successors and predecessors for LOAD_GLOBAL
Predecessors Count Percentage
STORE_FAST 160 19.0%
LOAD_GLOBAL 120 14.3%
LOAD_GLOBAL_BUILTIN 120 14.3%
POP_JUMP_IF_FALSE 100 11.9%
RESUME 80 9.5%
Successors Count Percentage
LOAD_GLOBAL_BUILTIN 340 40.5%
LOAD_FAST 220 26.2%
LOAD_GLOBAL 120 14.3%
LOAD_GLOBAL_MODULE 80 9.5%
LOAD_ATTR 40 4.8%

MAKE_CELL

Successors and predecessors for MAKE_CELL
Predecessors Count Percentage
CALL_PY_EXACT_ARGS 140 43.8%
CALL_PY_GENERAL 140 43.8%
CALL 40 12.5%
Successors Count Percentage
RETURN_GENERATOR 320 100.0%

POP_JUMP_IF_FALSE

Successors and predecessors for POP_JUMP_IF_FALSE
Predecessors Count Percentage
COMPARE_OP_INT 6,452,020 100.0%
TO_BOOL_INT 2,120 0.0%
COMPARE_OP 60 0.0%
TO_BOOL 40 0.0%
Successors Count Percentage
POP_TOP 6,113,120 94.7%
LOAD_GLOBAL_BUILTIN 338,220 5.2%
ENTER_EXECUTOR 1,660 0.0%
LOAD_FAST_LOAD_FAST 800 0.0%
JUMP_BACKWARD 340 0.0%

POP_JUMP_IF_NOT_NONE

Successors and predecessors for POP_JUMP_IF_NOT_NONE
Predecessors Count Percentage
LOAD_FAST 160 100.0%
Successors Count Percentage
LOAD_FAST 160 100.0%

POP_JUMP_IF_TRUE

Successors and predecessors for POP_JUMP_IF_TRUE
Predecessors Count Percentage
COMPARE_OP_INT 338,060 100.0%
COMPARE_OP 20 0.0%
Successors Count Percentage
ENTER_EXECUTOR 323,020 95.5%
JUMP_FORWARD 14,720 4.4%
JUMP_BACKWARD 340 0.1%

RETURN_CONST

Successors and predecessors for RETURN_CONST
Predecessors Count Percentage
POP_TOP 13,240,800 100.0%
FOR_ITER_LIST 80 0.0%
FOR_ITER_RANGE 80 0.0%
Successors Count Percentage
INTERPRETER_EXIT 13,240,800 100.0%
END_FOR 160 0.0%

SET_FUNCTION_ATTRIBUTE

Successors and predecessors for SET_FUNCTION_ATTRIBUTE
Predecessors Count Percentage
MAKE_FUNCTION 6,790,920 100.0%
Successors Count Percentage
LOAD_FAST 6,790,920 100.0%

STORE_DEREF

Successors and predecessors for STORE_DEREF
Predecessors Count Percentage
YIELD_VALUE 6,451,180 100.0%
CALL_TUPLE_1 140 0.0%
CALL 20 0.0%
FOR_ITER 20 0.0%
Successors Count Percentage
LOAD_FAST 6,451,200 100.0%
LOAD_GLOBAL_BUILTIN 120 0.0%
LOAD_GLOBAL 40 0.0%

STORE_FAST

Successors and predecessors for STORE_FAST
Predecessors Count Percentage
FOR_ITER_RANGE 6,790,720 51.3%
FOR_ITER_LIST 6,451,720 48.7%
BINARY_SUBSCR_LIST_INT 1,460 0.0%
CALL_BUILTIN_CLASS 340 0.0%
BINARY_SUBSCR 180 0.0%
Successors Count Percentage
LOAD_DEREF 13,241,680 100.0%
LOAD_FAST_LOAD_FAST 2,280 0.0%
LOAD_FAST 640 0.0%
LOAD_GLOBAL_BUILTIN 360 0.0%
LOAD_GLOBAL 160 0.0%

SWAP

Successors and predecessors for SWAP
Predecessors Count Percentage
CALL_LEN 6,451,180 100.0%
BINARY_SUBSCR_LIST_INT 1,460 0.0%
SWAP 800 0.0%
BINARY_OP_SUBTRACT_INT 780 0.0%
BINARY_SUBSCR 20 0.0%
Successors Count Percentage
COPY 6,451,200 100.0%
LOAD_FAST_LOAD_FAST 1,480 0.0%
SWAP 800 0.0%
STORE_SUBSCR_LIST_INT 760 0.0%
STORE_SUBSCR 40 0.0%

YIELD_VALUE

Successors and predecessors for YIELD_VALUE
Predecessors Count Percentage
ENTER_EXECUTOR 99,131,700 88.2%
BINARY_SUBSCR_TUPLE_INT 6,451,720 5.7%
BINARY_OP_ADD_INT 6,451,460 5.7%
BINARY_OP_SUBTRACT_INT 338,340 0.3%
LOAD_DEREF 14,720 0.0%
Successors Count Percentage
INTERPRETER_EXIT 105,938,580 94.3%
STORE_DEREF 6,451,180 5.7%

RESUME

Successors and predecessors for RESUME
Predecessors Count Percentage
CACHE 120 40.0%
POP_TOP 120 40.0%
FOR_ITER_GEN 40 13.3%
COPY_FREE_VARS 20 6.7%
Successors Count Percentage
POP_TOP 140 46.7%
LOAD_FAST 80 26.7%
LOAD_GLOBAL 80 26.7%

BINARY_OP_ADD_INT

Successors and predecessors for BINARY_OP_ADD_INT
Predecessors Count Percentage
LOAD_FAST 6,451,440 100.0%
LOAD_CONST 1,360 0.0%
BINARY_OP 100 0.0%
Successors Count Percentage
YIELD_VALUE 6,451,460 100.0%
BINARY_SLICE 580 0.0%
LOAD_CONST 580 0.0%
LOAD_FAST 140 0.0%
CALL_BUILTIN_CLASS 120 0.0%

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_OP_SUBTRACT_INT

Successors and predecessors for BINARY_OP_SUBTRACT_INT
Predecessors Count Percentage
LOAD_FAST 338,320 99.6%
LOAD_CONST 760 0.2%
LOAD_FAST_LOAD_FAST 680 0.2%
BINARY_OP 80 0.0%
Successors Count Percentage
YIELD_VALUE 338,340 99.6%
SWAP 780 0.2%
LOAD_FAST_LOAD_FAST 580 0.2%
LOAD_CONST 140 0.0%

BINARY_SUBSCR_LIST_INT

Successors and predecessors for BINARY_SUBSCR_LIST_INT
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 3,640 81.2%
COPY 760 17.0%
BINARY_SUBSCR 80 1.8%
Successors Count Percentage
LOAD_CONST 1,560 34.8%
STORE_FAST 1,460 32.6%
SWAP 1,460 32.6%

BINARY_SUBSCR_TUPLE_INT

Successors and predecessors for BINARY_SUBSCR_TUPLE_INT
Predecessors Count Percentage
LOAD_FAST 13,241,440 100.0%
BINARY_SUBSCR 80 0.0%
Successors Count Percentage
LOAD_FAST 6,789,800 51.3%
YIELD_VALUE 6,451,720 48.7%

CALL_BUILTIN_CLASS

Successors and predecessors for CALL_BUILTIN_CLASS
Predecessors Count Percentage
RETURN_GENERATOR 6,789,320 100.0%
LOAD_FAST 720 0.0%
CALL_BUILTIN_CLASS 680 0.0%
CALL 220 0.0%
BINARY_OP_ADD_INT 120 0.0%
Successors Count Percentage
CALL_LEN 6,789,200 100.0%
CALL_BUILTIN_CLASS 680 0.0%
GET_ITER 460 0.0%
STORE_FAST 340 0.0%
POP_TOP 140 0.0%

CALL_LEN

Successors and predecessors for CALL_LEN
Predecessors Count Percentage
CALL_BUILTIN_CLASS 6,789,200 100.0%
LOAD_DEREF 120 0.0%
CALL 60 0.0%
Successors Count Percentage
SWAP 6,451,180 95.0%
COMPARE_OP_INT 338,040 5.0%
STORE_FAST 140 0.0%
COMPARE_OP 20 0.0%

CALL_NON_PY_GENERAL

Successors and predecessors for CALL_NON_PY_GENERAL
Predecessors Count Percentage
PUSH_NULL 240 75.0%
CALL 80 25.0%
Successors Count Percentage
POP_TOP 200 62.5%
LOAD_FAST 60 18.8%
STORE_FAST 60 18.8%

CALL_PY_EXACT_ARGS

Successors and predecessors for CALL_PY_EXACT_ARGS
Predecessors Count Percentage
GET_ITER 6,790,760 100.0%
LOAD_FAST 120 0.0%
CALL 100 0.0%
Successors Count Percentage
COPY_FREE_VARS 6,790,840 100.0%
MAKE_CELL 140 0.0%

CALL_PY_GENERAL

Successors and predecessors for CALL_PY_GENERAL
Predecessors Count Percentage
LOAD_FAST 120 85.7%
CALL 20 14.3%
Successors Count Percentage
MAKE_CELL 140 100.0%

CALL_TUPLE_1

Successors and predecessors for CALL_TUPLE_1
Predecessors Count Percentage
RETURN_GENERATOR 1,560 89.7%
LOAD_FAST 120 6.9%
CALL 60 3.4%
Successors Count Percentage
YIELD_VALUE 1,600 92.0%
STORE_DEREF 140 8.0%

COMPARE_OP_INT

Successors and predecessors for COMPARE_OP_INT
Predecessors Count Percentage
COPY 6,451,160 95.0%
CALL_LEN 338,040 5.0%
LOAD_CONST 800 0.0%
COMPARE_OP 80 0.0%
Successors Count Percentage
POP_JUMP_IF_FALSE 6,452,020 95.0%
POP_JUMP_IF_TRUE 338,060 5.0%

FOR_ITER_GEN

Successors and predecessors for FOR_ITER_GEN
Predecessors Count Percentage
JUMP_BACKWARD 940 85.5%
GET_ITER 140 12.7%
FOR_ITER 20 1.8%
Successors Count Percentage
RESUME_CHECK 600 54.5%
ENTER_EXECUTOR 320 29.1%
POP_TOP 140 12.7%
RESUME 40 3.6%

FOR_ITER_LIST

Successors and predecessors for FOR_ITER_LIST
Predecessors Count Percentage
LOAD_FAST 6,451,160 100.0%
JUMP_BACKWARD 600 0.0%
FOR_ITER 40 0.0%
Successors Count Percentage
STORE_FAST 6,451,720 100.0%
RETURN_CONST 80 0.0%

FOR_ITER_RANGE

Successors and predecessors for FOR_ITER_RANGE
Predecessors Count Percentage
LOAD_FAST 6,789,240 100.0%
JUMP_BACKWARD 1,040 0.0%
GET_ITER 520 0.0%
FOR_ITER 80 0.0%
Successors Count Percentage
STORE_FAST 6,790,720 100.0%
LOAD_FAST 80 0.0%
RETURN_CONST 80 0.0%

LOAD_ATTR_MODULE

Successors and predecessors for LOAD_ATTR_MODULE
Predecessors Count Percentage
LOAD_GLOBAL_MODULE 80 66.7%
LOAD_ATTR 40 33.3%
Successors Count Percentage
PUSH_NULL 60 50.0%
STORE_FAST 60 50.0%

LOAD_GLOBAL_BUILTIN

Successors and predecessors for LOAD_GLOBAL_BUILTIN
Predecessors Count Percentage
LOAD_GLOBAL_BUILTIN 6,789,880 50.0%
LOAD_FAST 6,451,160 47.5%
POP_JUMP_IF_FALSE 338,220 2.5%
STORE_SUBSCR 1,440 0.0%
STORE_FAST 360 0.0%
Successors Count Percentage
LOAD_FAST 6,791,780 50.0%
LOAD_GLOBAL_BUILTIN 6,789,880 50.0%
LOAD_DEREF 140 0.0%
LOAD_FAST_LOAD_FAST 140 0.0%
LOAD_GLOBAL 120 0.0%

LOAD_GLOBAL_MODULE

Successors and predecessors for LOAD_GLOBAL_MODULE
Predecessors Count Percentage
STORE_FAST 120 30.0%
LOAD_GLOBAL_BUILTIN 120 30.0%
LOAD_GLOBAL 80 20.0%
RETURN_VALUE 40 10.0%
RESUME_CHECK 40 10.0%
Successors Count Percentage
LOAD_FAST 280 70.0%
LOAD_ATTR_MODULE 80 20.0%
LOAD_ATTR 40 10.0%

RESUME_CHECK

Successors and predecessors for RESUME_CHECK
Predecessors Count Percentage
CACHE 105,938,600 88.9%
POP_TOP 13,240,680 11.1%
ENTER_EXECUTOR 1,480 0.0%
FOR_ITER_GEN 600 0.0%
COPY_FREE_VARS 60 0.0%
Successors Count Percentage
POP_TOP 105,940,580 88.9%
LOAD_FAST 13,240,400 11.1%
LOAD_GLOBAL_BUILTIN 360 0.0%
LOAD_GLOBAL 80 0.0%
LOAD_GLOBAL_MODULE 40 0.0%

STORE_SUBSCR_LIST_INT

Successors and predecessors for STORE_SUBSCR_LIST_INT
Predecessors Count Percentage
LOAD_FAST_LOAD_FAST 2,000 70.9%
SWAP 760 27.0%
STORE_SUBSCR 60 2.1%
Successors Count Percentage
LOAD_FAST_LOAD_FAST 2,240 79.4%
JUMP_BACKWARD 320 11.3%
ENTER_EXECUTOR 260 9.2%

TO_BOOL_INT

Successors and predecessors for TO_BOOL_INT
Predecessors Count Percentage
LOAD_FAST 2,080 98.1%
TO_BOOL 40 1.9%
Successors Count Percentage
POP_JUMP_IF_FALSE 2,120 100.0%

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.

800 0.0%
hit

Specialized instructions that complete.

6,792,800 100.0%
Success Count Ratio
Success 200 71.4%
Failure 80 28.6%
Failure kind Count Ratio
add other 80 100.0%

BINARY_SLICE

specialization stats for BINARY_SLICE family

BINARY_SUBSCR

specialization stats for BINARY_SUBSCR family
Kind Count Ratio
deferred

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

1,800 0.0%
hit

Specialized instructions that complete.

13,246,000 100.0%
Success Count Ratio
Success 160 53.3%
Failure 140 46.7%
Failure kind Count Ratio
out of range 100 71.4%
list slice 40 28.6%

CALL

specialization stats for CALL family
Kind Count Ratio
deferred

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

540 0.0%
hit

Specialized instructions that complete.

20,373,160 100.0%
Success Count Ratio
Success 540 100.0%
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.

80 0.0%
hit

Specialized instructions that complete.

6,790,080 100.0%
Success Count Ratio
Success 80 100.0%
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.

140 0.0%
hit

Specialized instructions that complete.

13,243,780 100.0%
Success Count Ratio
Success 140 100.0%
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.

40 20.0%
hit

Specialized instructions that complete.

120 60.0%
Success Count Ratio
Success 40 100.0%
Failure 0 0.0%

LOAD_GLOBAL

specialization stats for LOAD_GLOBAL family
Kind Count Ratio
deferred

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

420 0.0%
hit

Specialized instructions that complete.

13,582,580 100.0%
Success Count Ratio
Success 420 100.0%
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_SLICE

specialization stats for STORE_SLICE family

STORE_SUBSCR

specialization stats for STORE_SUBSCR family
Kind Count Ratio
deferred

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

1,540 34.1%
hit

Specialized instructions that complete.

2,820 62.4%
Success Count Ratio
Success 60 37.5%
Failure 100 62.5%
Failure kind Count Ratio
out of range 100 100.0%

TO_BOOL

specialization stats for TO_BOOL family
Kind Count Ratio
deferred

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

40 1.8%
hit

Specialized instructions that complete.

2,120 96.4%
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.

642,478,280 76.3%
Not specialized

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

6,803,320 0.8%
Specialized hits

Specialized instructions, e.g. LOAD_ATTR_MODULE that complete.

193,215,360 22.9%
Specialized misses

Specialized instructions, e.g. LOAD_ATTR_MODULE that deopt.

20 0.0%

Deferred by instruction

Breakdown of deferred (not specialized) instruction counts by family
Name Count Ratio
BINARY_SUBSCR 1,800 33.3%
STORE_SUBSCR 1,540 28.5%
BINARY_OP 800 14.8%
CALL 540 10.0%
LOAD_GLOBAL 420 7.8%
FOR_ITER 140 2.6%
COMPARE_OP 80 1.5%
TO_BOOL 40 0.7%
LOAD_ATTR 40 0.7%
BINARY_SLICE 0 0.0%

Misses by instruction

Breakdown of misses (specialized deopts) instruction counts by family
Name Count Ratio
RESUME 20 50.0%
RESUME_CHECK 20 50.0%
CACHE 0 0.0%
END_FOR 0 0.0%
GET_ITER 0 0.0%
INTERPRETER_EXIT 0 0.0%
MAKE_FUNCTION 0 0.0%
NOP 0 0.0%
POP_TOP 0 0.0%
PUSH_NULL 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 119,179,380 85.8%
Calls to Python functions inlined 19,692,220 14.2%
Calls via PyEval_EvalFrame (total) 119,179,380 85.8%
Calls via PyEval_EvalFrame (vector) 160 0.0%
Calls via PyEval_EvalFrame (generator) 119,179,220 85.8%
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) 80 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 13,241,040 9.5%

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 52,947,100 32.1%
Frees to freelist 52,987,920
Allocations 111,961,180 67.9%
Allocations to 512 bytes 105,640,600 64.1%
Allocations to 4 kbytes 6,320,580 3.8%
Allocations over 4 kbytes 0 0.0%
Frees 111,921,981
Inline values 0
Interpreter increfs 459,549,500 83.6%
Interpreter decrefs 598,027,780 83.7%
Increfs 89,920,940 16.4%
Decrefs 116,486,582 16.3%
Materialize dict (on request) 0
Materialize dict (new key) 0
Materialize dict (too big) 0
Materialize dict (str subclass) 0
Method cache hits 22
Method cache misses 18
Method cache collisions 39
Method cache dunder hits 12,902,539
Method cache dunder misses 21

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 1,920 159,060
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.

28,280
Traces created

The number of traces that were successfully created.

220 0.8%
Trace stack overflow

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

0 0.0%
Trace stack underflow

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

28,160 99.6%
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.

28,060 99.2%
Inner loop found

A trace is truncated because it has an inner loop

40 0.1%
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

250,549,300
Uops executed

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

2,752,478,220 1,098.6%
Count Ratio
Optimizer attempts

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

220
Optimizer successes

The number of traces that were successfully optimized.

220 100.0%
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 80 36.4%
<= 32 80 36.4%
<= 64 0 0.0%
<= 128 60 27.3%

Optimized trace length histogram

optimized trace length histogram
Range Count Ratio
<= 1 0 0.0%
<= 2 0 0.0%
<= 4 0 0.0%
<= 8 80 36.4%
<= 16 80 36.4%
<= 32 0 0.0%
<= 64 40 18.2%
<= 128 20 9.1%

Trace run length histogram

trace run length histogram
Range Count Ratio
<= 1 0 0.0%
<= 2 0 0.0%
<= 4 0 0.0%
<= 8 19,689,360 7.9%
<= 16 92,682,240 37.0%
<= 32 3,225,500 1.3%
<= 64 6,449,560 2.6%
<= 128 8,601,040 3.4%
<= 256 1,066,220 0.4%
<= 512 8,960 0.0%

Uop execution stats

uop execution stats
Name Count Self Cumulative Miss ratio
_SET_IP 171,084,080 6.2% 6.2%
_CHECK_VALIDITY 158,184,280 5.7% 12.0%
_LOAD_FAST_1 153,106,920 5.6% 17.5%
_START_EXECUTOR 138,173,120 5.0% 22.5%
_TIER2_RESUME_CHECK 136,357,200 5.0% 27.5%
_EXIT_TRACE 131,722,880 4.8% 32.3%
_LOAD_FAST_5 120,925,240 4.4% 36.7%
_COLD_EXIT 112,376,180 4.1% 40.8%
_GUARD_NOS_INT 93,679,160 3.4% 44.2%
_LOAD_DEREF 92,682,240 3.4% 47.5%
_BINARY_SUBSCR_TUPLE_INT 92,682,240 3.4% 50.9%
_STORE_FAST_1 92,682,240 3.4% 54.3%
_LOAD_CONST_INLINE_BORROW 85,857,400 3.1% 57.4%
_GUARD_NOT_EXHAUSTED_RANGE 71,848,960 2.6% 60.0% 9.4%
_ITER_CHECK_RANGE 71,848,960 2.6% 62.6%
_BINARY_OP_ADD_INT 67,326,840 2.4% 65.1%
_LOAD_FAST_3 65,500,880 2.4% 67.4%
_ITER_NEXT_RANGE 65,059,600 2.4% 69.8%
_CHECK_VALIDITY_AND_SET_IP 62,683,160 2.3% 72.1%
_LOAD_FAST_4 52,604,320 1.9% 74.0%
_GUARD_NOT_EXHAUSTED_LIST 51,608,960 1.9% 75.9% 12.5%
_ITER_CHECK_LIST 51,608,960 1.9% 77.7%
_BINARY_SUBSCR_LIST_INT 47,969,520 1.7% 79.5%
_ITER_NEXT_LIST 45,157,840 1.6% 81.1%
_SWAP 41,519,960 1.5% 82.6%
_COPY 35,070,400 1.3% 83.9%
_STORE_SUBSCR_LIST_INT 35,069,120 1.3% 85.2%
_BINARY_OP_SUBTRACT_INT 30,985,840 1.1% 86.3%
_BINARY_SLICE 28,618,280 1.0% 87.3%
_GUARD_IS_TRUE_POP 23,984,240 0.9% 88.2% 26.9%
_CHECK_PERIODIC 19,351,000 0.7% 88.9%
_LOAD_CONST_INLINE_BORROW_WITH_NULL 19,351,000 0.7% 89.6%
_COMPARE_OP_INT 17,535,200 0.6% 90.3%
_STORE_FAST_5 17,535,200 0.6% 90.9%
_LOAD_FAST_2 17,533,400 0.6% 91.5%
_CALL_BUILTIN_CLASS 12,901,440 0.5% 92.0%
_GET_ITER 12,900,280 0.5% 92.5%
_CHECK_FUNCTION 12,900,280 0.5% 92.9%
_PUSH_FRAME 12,899,800 0.5% 93.4%
_UNARY_NEGATIVE 12,899,120 0.5% 93.9%
_LOAD_FAST_6 12,899,120 0.5% 94.3%
_POP_TOP 12,898,080 0.5% 94.8%
_STORE_SLICE 11,084,360 0.4% 95.2%
_BINARY_OP 11,084,360 0.4% 95.6%
_DYNAMIC_EXIT 6,450,240 0.2% 95.8%
_FOR_ITER_GEN_FRAME 6,450,240 0.2% 96.1%
_MAKE_FUNCTION 6,449,560 0.2% 96.3%
_RETURN_GENERATOR 6,449,560 0.2% 96.6%
_BUILD_TUPLE 6,449,560 0.2% 96.8%
_COPY_FREE_VARS 6,449,560 0.2% 97.0%
_SET_FUNCTION_ATTRIBUTE 6,449,560 0.2% 97.3%
_BINARY_SUBSCR 6,449,560 0.2% 97.5%
_CALL_TUPLE_1 6,449,560 0.2% 97.7%
_CHECK_FUNCTION_EXACT_ARGS 6,449,560 0.2% 98.0%
_CHECK_STACK_SPACE_OPERAND 6,449,560 0.2% 98.2%
_INIT_CALL_PY_EXACT_ARGS_0 6,449,560 0.2% 98.4%
_LOAD_CONST_INLINE 6,449,560 0.2% 98.7%
_LOAD_FAST_7 6,449,560 0.2% 98.9%
_SAVE_RETURN_OFFSET 6,449,560 0.2% 99.1%
_STORE_FAST_6 6,449,560 0.2% 99.4%
_STORE_SUBSCR 6,449,560 0.2% 99.6%
_TO_BOOL_INT 6,449,040 0.2% 99.8%
_JUMP_TO_TOP 4,633,640 0.2% 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
_START_EXECUTOR _TIER2_RESUME_CHECK 131,723,560 4.8% 4.8%
_LOAD_DEREF _CHECK_VALIDITY 92,682,240 3.4% 8.2%
_SET_IP _LOAD_DEREF 92,682,240 3.4% 11.5%
_CHECK_VALIDITY _LOAD_FAST_1 92,682,240 3.4% 14.9%
_LOAD_FAST_1 _BINARY_SUBSCR_TUPLE_INT 92,682,240 3.4% 18.3%
_STORE_FAST_1 _SET_IP 92,682,240 3.4% 21.6%
_ITER_CHECK_RANGE _GUARD_NOT_EXHAUSTED_RANGE 71,848,960 2.6% 24.2%
_TIER2_RESUME_CHECK _ITER_CHECK_RANGE 65,398,240 2.4% 26.6%
_GUARD_NOT_EXHAUSTED_RANGE _ITER_NEXT_RANGE 65,059,600 2.4% 29.0%
_LOAD_FAST_4 _LOAD_FAST_5 52,604,320 1.9% 30.9%
_ITER_CHECK_LIST _GUARD_NOT_EXHAUSTED_LIST 51,608,960 1.9% 32.8%
_TIER2_RESUME_CHECK _ITER_CHECK_LIST 51,608,960 1.9% 34.6%
_BINARY_SUBSCR_TUPLE_INT _LOAD_FAST_1 47,524,400 1.7% 36.4%
_ITER_NEXT_RANGE _STORE_FAST_1 47,524,400 1.7% 38.1%
_LOAD_FAST_1 _GUARD_NOS_INT 47,524,400 1.7% 39.8%
_LOAD_FAST_3 _LOAD_FAST_5 46,152,200 1.7% 41.5%
_BINARY_OP_ADD_INT _EXIT_TRACE 45,158,120 1.6% 43.1%
_GUARD_NOS_INT _BINARY_OP_ADD_INT 45,158,120 1.6% 44.8%
_BINARY_SUBSCR_TUPLE_INT _EXIT_TRACE 45,157,840 1.6% 46.4%
_GUARD_NOT_EXHAUSTED_LIST _ITER_NEXT_LIST 45,157,840 1.6% 48.1%
_ITER_NEXT_LIST _STORE_FAST_1 45,157,840 1.6% 49.7%
_BINARY_SUBSCR_LIST_INT _LOAD_CONST_INLINE_BORROW 35,070,400 1.3% 51.0%
_LOAD_CONST_INLINE_BORROW _GUARD_NOS_INT 35,070,400 1.3% 52.2%
_CHECK_VALIDITY _LOAD_FAST_3 35,067,840 1.3% 53.5%
_LOAD_FAST_5 _LOAD_CONST_INLINE_BORROW 33,253,080 1.2% 54.7%
_GUARD_NOS_INT _BINARY_OP_SUBTRACT_INT 30,985,840 1.1% 55.8%
_LOAD_FAST_5 _BINARY_SUBSCR_LIST_INT 30,434,320 1.1% 57.0%
_SET_IP _BINARY_SLICE 28,618,280 1.0% 58.0%
_LOAD_CONST_INLINE_BORROW _SET_IP 22,168,720 0.8% 58.8%
_LOAD_CONST_INLINE_BORROW _BINARY_OP_ADD_INT 22,168,720 0.8% 59.6%
_COPY _COPY 17,535,200 0.6% 60.2%
_COPY _BINARY_SUBSCR_LIST_INT 17,535,200 0.6% 60.9%
_SWAP _SWAP 17,535,200 0.6% 61.5%
_SWAP _STORE_SUBSCR_LIST_INT 17,535,200 0.6% 62.2%
_STORE_SUBSCR_LIST_INT _LOAD_FAST_4 17,535,200 0.6% 62.8%
_BINARY_OP_SUBTRACT_INT _SWAP 17,535,200 0.6% 63.4%
_COMPARE_OP_INT _GUARD_IS_TRUE_POP 17,535,200 0.6% 64.1%
_GUARD_NOS_INT _COMPARE_OP_INT 17,535,200 0.6% 64.7%
_ITER_NEXT_RANGE _STORE_FAST_5 17,535,200 0.6% 65.3%
_LOAD_FAST_5 _COPY 17,535,200 0.6% 66.0%
_STORE_FAST_5 _LOAD_FAST_4 17,535,200 0.6% 66.6%
_BINARY_SLICE _CHECK_VALIDITY_AND_SET_IP 17,533,920 0.6% 67.2%
_LOAD_FAST_5 _STORE_SUBSCR_LIST_INT 17,533,920 0.6% 67.9%
_CALL_BUILTIN_CLASS _CHECK_PERIODIC 12,901,440 0.5% 68.4%
_CHECK_PERIODIC _CHECK_VALIDITY_AND_SET_IP 12,901,440 0.5% 68.8%
_CHECK_FUNCTION _LOAD_CONST_INLINE_BORROW_WITH_NULL 12,900,280 0.5% 69.3%
_CHECK_VALIDITY_AND_SET_IP _GET_ITER 12,900,280 0.5% 69.8%
_LOAD_FAST_1 _SET_IP 12,900,280 0.5% 70.2%
_GUARD_IS_TRUE_POP _EXIT_TRACE 12,899,880 0.5% 70.7%
_UNARY_NEGATIVE _CHECK_VALIDITY_AND_SET_IP 12,899,120 0.5% 71.2%
_SET_IP _UNARY_NEGATIVE 12,899,120 0.5% 71.6%
_LOAD_FAST_3 _LOAD_FAST_6 12,899,120 0.5% 72.1%
_LOAD_FAST_6 _SET_IP 12,899,120 0.5% 72.6%
_BINARY_SLICE _CHECK_VALIDITY 11,084,360 0.4% 73.0%
_STORE_SLICE _CHECK_VALIDITY 11,084,360 0.4% 73.4%
_SET_IP _STORE_SLICE 11,084,360 0.4% 73.8%
_BINARY_OP _CHECK_VALIDITY 11,084,360 0.4% 74.2%
_BINARY_OP_ADD_INT _SET_IP 11,084,360 0.4% 74.6%
_BINARY_OP_ADD_INT _LOAD_CONST_INLINE_BORROW 11,084,360 0.4% 75.0%
_BINARY_OP_SUBTRACT_INT _LOAD_FAST_4 11,084,360 0.4% 75.4%
_CHECK_VALIDITY _LOAD_FAST_2 11,084,360 0.4% 75.8%
_CHECK_VALIDITY_AND_SET_IP _BINARY_OP 11,084,360 0.4% 76.2%
_GUARD_IS_TRUE_POP _LOAD_FAST_3 11,084,360 0.4% 76.6%
_LOAD_FAST_2 _LOAD_FAST_5 11,084,360 0.4% 77.0%
_LOAD_FAST_5 _GUARD_NOS_INT 11,084,360 0.4% 77.4%
_LOAD_FAST_5 _LOAD_FAST_5 11,084,360 0.4% 77.8%
_GUARD_NOT_EXHAUSTED_RANGE _EXIT_TRACE 6,789,360 0.2% 78.1%
_GUARD_NOT_EXHAUSTED_LIST _EXIT_TRACE 6,451,120 0.2% 78.3%
_GET_ITER _CHECK_VALIDITY 6,450,720 0.2% 78.5%
_STORE_SUBSCR_LIST_INT _EXIT_TRACE 6,450,720 0.2% 78.8%
_SET_IP _CALL_BUILTIN_CLASS 6,450,720 0.2% 79.0%
_CHECK_VALIDITY _ITER_CHECK_RANGE 6,450,720 0.2% 79.2%
_CHECK_VALIDITY_AND_SET_IP _CALL_BUILTIN_CLASS 6,450,720 0.2% 79.5%
_LOAD_CONST_INLINE_BORROW_WITH_NULL _LOAD_CONST_INLINE_BORROW_WITH_NULL 6,450,720 0.2% 79.7%
_LOAD_CONST_INLINE_BORROW_WITH_NULL _LOAD_FAST_1 6,450,720 0.2% 79.9%
_TIER2_RESUME_CHECK _CHECK_FUNCTION 6,450,720 0.2% 80.2%
_SET_IP _FOR_ITER_GEN_FRAME 6,450,240 0.2% 80.4%
_FOR_ITER_GEN_FRAME _PUSH_FRAME 6,450,240 0.2% 80.6%
_PUSH_FRAME _DYNAMIC_EXIT 6,450,240 0.2% 80.9%
_TIER2_RESUME_CHECK _SET_IP 6,450,240 0.2% 81.1%
_GET_ITER _CHECK_VALIDITY_AND_SET_IP 6,449,560 0.2% 81.3%
_MAKE_FUNCTION _CHECK_VALIDITY_AND_SET_IP 6,449,560 0.2% 81.6%
_RETURN_GENERATOR _CHECK_VALIDITY_AND_SET_IP 6,449,560 0.2% 81.8%
_BUILD_TUPLE _LOAD_CONST_INLINE 6,449,560 0.2% 82.0%
_COPY_FREE_VARS _SET_IP 6,449,560 0.2% 82.3%
_SET_FUNCTION_ATTRIBUTE _CHECK_VALIDITY 6,449,560 0.2% 82.5%
_SWAP _LOAD_FAST_3 6,449,560 0.2% 82.7%
_BINARY_SUBSCR_LIST_INT _SWAP 6,449,560 0.2% 83.0%
_BINARY_SUBSCR_LIST_INT _STORE_FAST_6 6,449,560 0.2% 83.2%
_STORE_SUBSCR_LIST_INT _LOAD_FAST_3 6,449,560 0.2% 83.4%
_SET_IP _MAKE_FUNCTION 6,449,560 0.2% 83.7%
_SET_IP _RETURN_GENERATOR 6,449,560 0.2% 83.9%
_BINARY_SUBSCR _CHECK_VALIDITY 6,449,560 0.2% 84.1%
_CALL_TUPLE_1 _CHECK_PERIODIC 6,449,560 0.2% 84.4%
_CHECK_FUNCTION_EXACT_ARGS _CHECK_STACK_SPACE_OPERAND 6,449,560 0.2% 84.6%
_CHECK_PERIODIC _CHECK_VALIDITY 6,449,560 0.2% 84.9%
_CHECK_STACK_SPACE_OPERAND _INIT_CALL_PY_EXACT_ARGS_0 6,449,560 0.2% 85.1%
_CHECK_VALIDITY _EXIT_TRACE 6,449,560 0.2% 85.3%
_CHECK_VALIDITY _CHECK_FUNCTION 6,449,560 0.2% 85.6%
_CHECK_VALIDITY_AND_SET_IP _SET_FUNCTION_ATTRIBUTE 6,449,560 0.2% 85.8%

Unsupported opcodes

unsupported opcodes

Optimizer errored out with opcode

Optimization stopped after encountering this opcode

Rare events

Counts of rare/unlikely events
Event Count
set class

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

0
set bases

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

0
set eval frame func

Setting the PEP 523 frame eval function _PyInterpreterState_SetFrameEvalFunc()

0
builtin dict

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

0
func modification

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

0
watched dict modification

A watched dict has been modified

0
watched globals modification

A watched globals() dict has been modified

0

Meta stats

Meta statistics
Count
Number of data files 20

Stats gathered on: 2024-06-16