Percentage of allocs less than 48 bytes: 96.6
All allocations
# A tibble: 22 × 4
obj_len n n_less_than percent
<int> <int> <int> <dbl>
1 9 37 37 0.0591
2 10 10 47 0.0751
3 11 1814 1861 2.97
4 12 1 1862 2.98
5 16 8928 10790 17.2
6 18 731 11521 18.4
7 19 2852 14373 23.0
8 20 67 14440 23.1
9 21 100 14540 23.2
10 22 82 14622 23.4
11 23 77 14699 23.5
12 24 21826 36525 58.4
13 25 96 36621 58.5
14 26 100 36721 58.7
15 27 95 36816 58.8
16 28 24 36840 58.9
17 29 28 36868 58.9
18 30 24 36892 59.0
19 31 14 36906 59.0
20 32 7178 44084 70.5
21 33 12 44096 70.5
22 34 2 44098 70.5
# A tibble: 5 × 4
obj_len n n_less_than percent
<int> <int> <int> <dbl>
1 1024 8 62549 100.
2 1032 6 62555 100.
3 1041 1 62556 100.
4 4096 2 62558 100.
5 4113 2 62560 100
Common Sizes
# A tibble: 8 × 2
obj_len n
<int> <int>
1 24 21826
2 48 15736
3 16 8928
4 32 7178
5 19 2852
6 11 1814
7 64 1075
8 18 731
62,560 total allocations, total bytes = 2,006,261
Typed allocations
# A tibble: 20 × 3
func_name n percent
<chr> <int> <dbl>
1 List<BigStr*>* Alloc<List<BigStr*>>() 4658 11.2
2 List<runtime_asdl::part_value_t*>* Alloc<List<runtime_asdl::pa… 4086 9.87
3 runtime_asdl::CommandStatus* Alloc<runtime_asdl::CommandStatus… 3186 7.69
4 value_asdl::value__Str* Alloc<value_asdl::value__Str, BigStr*>… 2227 5.38
5 syntax_asdl::word__String* Alloc<syntax_asdl::word__String, in… 1844 4.45
6 runtime_asdl::Piece* Alloc<runtime_asdl::Piece, BigStr*&, bool… 1814 4.38
7 runtime_asdl::VarSubState* Alloc<runtime_asdl::VarSubState, bo… 1814 4.38
8 value_asdl::LeftName* Alloc<value_asdl::LeftName, BigStr*&, sy… 1803 4.35
9 syntax_asdl::loc__Arith* Alloc<syntax_asdl::loc__Arith, syntax… 1780 4.30
10 value_asdl::value__Str* Alloc<value_asdl::value__Str, BigStr*&… 998 2.41
11 List<syntax_asdl::CompoundWord*>* Alloc<List<syntax_asdl::Comp… 981 2.37
12 List<int>* Alloc<List<int>>() 956 2.31
13 mylib::BufWriter* Alloc<mylib::BufWriter>() 945 2.28
14 List<List<runtime_asdl::Piece*>*>* Alloc<List<List<runtime_asd… 932 2.25
15 List<Tuple2<runtime_asdl::span_e, int>*>* Alloc<List<Tuple2<ru… 932 2.25
16 List<mylib::BufWriter*>* Alloc<List<mylib::BufWriter*>>() 932 2.25
17 List<runtime_asdl::Piece*>* Alloc<List<runtime_asdl::Piece*>>() 932 2.25
18 Tuple2<runtime_asdl::span_e, int>* Alloc<Tuple2<runtime_asdl::… 932 2.25
19 syntax_asdl::loc__Word* Alloc<syntax_asdl::loc__Word, syntax_a… 922 2.23
20 runtime_asdl::Piece* Alloc<runtime_asdl::Piece, BigStr*, bool&… 890 2.15
# A tibble: 5 × 3
func_name n percent
<chr> <int> <dbl>
1 value_asdl::value__List* Alloc<value_asdl::value__List, List<va… 1 0.00241
2 word_eval::CompletionWordEvaluator* Alloc<word_eval::Completion… 1 0.00241
3 word_eval::NormalWordEvaluator* Alloc<word_eval::NormalWordEval… 1 0.00241
4 word_eval::TildeEvaluator* Alloc<word_eval::TildeEvaluator, sta… 1 0.00241
5 word_parse::WordParser* Alloc<word_parse::WordParser, parse_lib… 1 0.00241
41,411 typed allocs, including 16,385 List<T>
66.19% of allocs are typed
Str - NewStr() and OverAllocatedStr()
# A tibble: 16 × 4
str_len n n_less_than percent
<int> <int> <int> <dbl>
1 1 731 731 16.3
2 2 2852 3583 79.9
3 3 67 3650 81.4
4 4 100 3750 83.6
5 5 82 3832 85.5
6 6 77 3909 87.2
7 7 104 4013 89.5
8 8 96 4109 91.7
9 9 100 4209 93.9
10 10 95 4304 96.0
11 11 17 4321 96.4
12 12 28 4349 97.0
13 13 24 4373 97.5
14 14 14 4387 97.9
15 15 9 4396 98.1
16 16 12 4408 98.3
# A tibble: 5 × 4
str_len n n_less_than percent
<int> <int> <int> <dbl>
1 134 1 4478 99.9
2 202 1 4479 99.9
3 255 1 4480 99.9
4 1024 1 4481 100.
5 4096 2 4483 100
4,483 string allocations, total length = 24,715, total bytes = 100,926
7.17% of allocs are strings
5.03% of bytes are strings
NewSlab()
Lengths
# A tibble: 6 × 4
slab_len n n_less_than percent
<int> <int> <int> <dbl>
1 5 13984 13984 83.9
2 7 525 14509 87.1
3 8 49 14558 87.4
4 10 1086 15644 93.9
5 14 78 15722 94.3
6 15 53 15775 94.7
# A tibble: 5 × 4
slab_len n n_less_than percent
<int> <int> <int> <dbl>
1 127 11 16621 99.7
2 128 36 16657 99.9
3 254 1 16658 100.
4 256 6 16664 100.
5 1022 2 16666 100
Slab Types
# A tibble: 6 × 2
func_name n
<chr> <int>
1 Slab<BigStr*>* NewSlab<BigStr*>(int) 4744
2 Slab<runtime_asdl::part_value_t*>* NewSlab<runtime_asdl::part_value_t*>… 4086
3 Slab<int>* NewSlab<int>(int) 1623
4 Slab<syntax_asdl::CompoundWord*>* NewSlab<syntax_asdl::CompoundWord*>(i… 1422
5 Slab<List<runtime_asdl::Piece*>*>* NewSlab<List<runtime_asdl::Piece*>*>… 932
6 Slab<Tuple2<runtime_asdl::span_e, int>*>* NewSlab<Tuple2<runtime_asdl::… 932
# A tibble: 5 × 2
func_name n
<chr> <int>
1 Slab<syntax_asdl::debug_frame_t*>* NewSlab<syntax_asdl::debug_frame_t*>… 1
2 Slab<syntax_asdl::loc_t*>* NewSlab<syntax_asdl::loc_t*>(int) 1
3 Slab<value_asdl::regex_match_t*>* NewSlab<value_asdl::regex_match_t*>(i… 1
4 Slab<value_asdl::value__Dict*>* NewSlab<value_asdl::value__Dict*>(int) 1
5 Slab<vm::_AssignBuiltin*>* NewSlab<vm::_AssignBuiltin*>(int) 1
16,666 slabs, total items = 129,305
26.64% of allocs are slabs
::reserve(int n)
Num Items
# A tibble: 15 × 4
num_items n n_less_than percent
<int> <int> <int> <dbl>
1 0 5 5 0.0154
2 1 20651 20656 63.5
3 2 4247 24903 76.6
4 3 1684 26587 81.8
5 4 2401 28988 89.1
6 5 2724 31712 97.5
7 6 519 32231 99.1
8 7 25 32256 99.2
9 8 39 32295 99.3
10 9 21 32316 99.4
11 10 19 32335 99.4
12 11 47 32382 99.6
13 12 8 32390 99.6
14 13 6 32396 99.6
15 14 7 32403 99.7
# A tibble: 5 × 4
num_items n n_less_than percent
<int> <int> <int> <dbl>
1 63 1 32506 100.
2 64 5 32511 100.
3 112 2 32513 100.
4 179 1 32514 100.
5 1022 2 32516 100
32,516 reserve() calls, total items = 67,181
Untyped: 62,560
Typed + Str + Slab: 62,560