Percentage of allocs less than 48 bytes: 96.3
All allocations
# A tibble: 22 × 4
obj_len n n_less_than percent
<int> <int> <int> <dbl>
1 9 17 17 0.0167
2 12 62 79 0.0775
3 16 10836 10915 10.7
4 18 2916 13831 13.6
5 19 339 14170 13.9
6 20 408 14578 14.3
7 21 518 15096 14.8
8 22 648 15744 15.4
9 23 392 16136 15.8
10 24 31430 47566 46.7
11 25 283 47849 46.9
12 26 184 48033 47.1
13 27 218 48251 47.3
14 28 254 48505 47.6
15 29 131 48636 47.7
16 30 94 48730 47.8
17 31 83 48813 47.9
18 32 25022 73835 72.4
19 33 99 73934 72.5
20 34 70 74004 72.6
21 35 59 74063 72.6
22 36 72 74135 72.7
# A tibble: 5 × 4
obj_len n n_less_than percent
<int> <int> <int> <dbl>
1 4096 3 101942 100.
2 4113 1 101943 100.
3 8192 1 101944 100.
4 16384 1 101945 100.
5 32768 1 101946 100
Common Sizes
# A tibble: 8 × 2
obj_len n
<int> <int>
1 24 31430
2 32 25022
3 48 22725
4 16 10836
5 18 2916
6 56 1241
7 40 811
8 64 760
101,946 total allocations, total bytes = 3,446,122
Typed allocations
# A tibble: 20 × 3
func_name n percent
<chr> <int> <dbl>
1 syntax_asdl::Token* Alloc<syntax_asdl::Token, int&, int&, int&… 20862 29.7
2 List<syntax_asdl::word_part_t*>* Alloc<List<syntax_asdl::word_… 7358 10.5
3 syntax_asdl::CompoundWord* Alloc<syntax_asdl::CompoundWord, Li… 6143 8.75
4 List<BigStr*>* Alloc<List<BigStr*>>() 4521 6.44
5 List<syntax_asdl::CompoundWord*>* Alloc<List<syntax_asdl::Comp… 3271 4.66
6 List<syntax_asdl::command_t*>* Alloc<List<syntax_asdl::command… 3227 4.60
7 List<syntax_asdl::word_t*>* Alloc<List<syntax_asdl::word_t*>>() 2634 3.75
8 syntax_asdl::SourceLine* Alloc<syntax_asdl::SourceLine, int&, … 2512 3.58
9 List<syntax_asdl::Redir*>* Alloc<List<syntax_asdl::Redir*>>() 1687 2.40
10 List<syntax_asdl::ParsedAssignment*>* Alloc<List<syntax_asdl::… 1589 2.26
11 syntax_asdl::SimpleVarSub* Alloc<syntax_asdl::SimpleVarSub, sy… 1327 1.89
12 List<Tuple2<BigStr*, int>*>* Alloc<List<Tuple2<BigStr*, int>*>… 1291 1.84
13 List<syntax_asdl::EnvPair*>* Alloc<List<syntax_asdl::EnvPair*>… 1202 1.71
14 syntax_asdl::command__Simple* Alloc<syntax_asdl::command__Simp… 1202 1.71
15 syntax_asdl::loc__Word* Alloc<syntax_asdl::loc__Word, syntax_a… 1202 1.71
16 syntax_asdl::DoubleQuoted* Alloc<syntax_asdl::DoubleQuoted, sy… 1072 1.53
17 List<int>* Alloc<List<int>>() 909 1.30
18 syntax_asdl::command__CommandList* Alloc<syntax_asdl::command_… 723 1.03
19 List<syntax_asdl::Token*>* Alloc<List<syntax_asdl::Token*>>() 582 0.829
20 Tuple2<int, int>* Alloc<Tuple2<int, int>, int, int>(int&&, int… 559 0.796
# A tibble: 5 × 3
func_name n percent
<chr> <int> <dbl>
1 value_asdl::value__List* Alloc<value_asdl::value__List, List<va… 1 0.00142
2 value_asdl::value__List* Alloc<value_asdl::value__List, List<va… 1 0.00142
3 word_eval::CompletionWordEvaluator* Alloc<word_eval::Completion… 1 0.00142
4 word_eval::NormalWordEvaluator* Alloc<word_eval::NormalWordEval… 1 0.00142
5 word_eval::TildeEvaluator* Alloc<word_eval::TildeEvaluator, sta… 1 0.00142
70,186 typed allocs, including 29,371 List<T>
68.85% 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 2916 2916 33.7
2 2 339 3255 37.6
3 3 408 3663 42.3
4 4 518 4181 48.3
5 5 648 4829 55.8
6 6 392 5221 60.3
7 7 300 5521 63.7
8 8 283 5804 67.0
9 9 184 5988 69.1
10 10 218 6206 71.7
11 11 247 6453 74.5
12 12 131 6584 76.0
13 13 94 6678 77.1
14 14 83 6761 78.1
15 15 85 6846 79.0
16 16 99 6945 80.2
# A tibble: 5 × 4
str_len n n_less_than percent
<int> <int> <int> <dbl>
1 202 1 8657 100.
2 255 1 8658 100.
3 358 1 8659 100.
4 1024 1 8660 100.
5 4096 1 8661 100
8,661 string allocations, total length = 102,372, total bytes = 249,609
8.50% of allocs are strings
7.24% of bytes are strings
NewSlab()
Lengths
# A tibble: 6 × 4
slab_len n n_less_than percent
<int> <int> <int> <dbl>
1 5 20800 20800 90.0
2 7 442 21242 92.0
3 8 28 21270 92.1
4 10 1048 22318 96.6
5 14 78 22396 97.0
6 15 222 22618 97.9
# A tibble: 5 × 4
slab_len n n_less_than percent
<int> <int> <int> <dbl>
1 511 1 23094 100.
2 1022 2 23096 100.
3 1023 1 23097 100.
4 2047 1 23098 100.
5 4095 1 23099 100
Slab Types
# A tibble: 6 × 2
func_name n
<chr> <int>
1 Slab<syntax_asdl::word_part_t*>* NewSlab<syntax_asdl::word_part_t*>(int) 7554
2 Slab<BigStr*>* NewSlab<BigStr*>(int) 3252
3 Slab<syntax_asdl::CompoundWord*>* NewSlab<syntax_asdl::CompoundWord*>(i… 3215
4 Slab<syntax_asdl::command_t*>* NewSlab<syntax_asdl::command_t*>(int) 3158
5 Slab<syntax_asdl::word_t*>* NewSlab<syntax_asdl::word_t*>(int) 2783
6 Slab<int>* NewSlab<int>(int) 1564
# A tibble: 5 × 2
func_name n
<chr> <int>
1 Slab<state::_ArgFrame*>* NewSlab<state::_ArgFrame*>(int) 1
2 Slab<syntax_asdl::debug_frame_t*>* NewSlab<syntax_asdl::debug_frame_t*>… 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
23,099 slabs, total items = 156,636
22.66% 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 0.0124
2 1 21365 21370 53.1
3 2 7613 28983 72.0
4 3 3015 31998 79.5
5 4 1926 33924 84.3
6 5 895 34819 86.5
7 6 1140 35959 89.4
8 7 258 36217 90.0
9 8 196 36413 90.5
10 9 146 36559 90.9
11 10 105 36664 91.1
12 11 124 36788 91.4
13 12 76 36864 91.6
14 13 63 36927 91.8
15 14 51 36978 91.9
# A tibble: 5 × 4
num_items n n_less_than percent
<int> <int> <int> <dbl>
1 2508 1 40236 100.
2 2509 1 40237 100.
3 2510 1 40238 100.
4 2511 1 40239 100.
5 2512 1 40240 100
40,240 reserve() calls, total items = 3,264,993
Untyped: 101,946
Typed + Str + Slab: 101,946