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 10811 10890 10.7
4 18 2914 13804 13.5
5 19 339 14143 13.9
6 20 408 14551 14.3
7 21 518 15069 14.8
8 22 648 15717 15.4
9 23 392 16109 15.8
10 24 31399 47508 46.6
11 25 282 47790 46.9
12 26 184 47974 47.1
13 27 218 48192 47.3
14 28 254 48446 47.5
15 29 131 48577 47.7
16 30 94 48671 47.8
17 31 83 48754 47.9
18 32 25032 73786 72.4
19 33 99 73885 72.5
20 34 70 73955 72.6
21 35 59 74014 72.6
22 36 72 74086 72.7
# A tibble: 5 × 4
obj_len n n_less_than percent
<int> <int> <int> <dbl>
1 4096 3 101882 100.
2 4113 1 101883 100.
3 8192 1 101884 100.
4 16384 1 101885 100.
5 32768 1 101886 100
Common Sizes
# A tibble: 8 × 2
obj_len n
<int> <int>
1 24 31399
2 32 25032
3 48 22724
4 16 10811
5 18 2914
6 56 1244
7 40 799
8 64 760
101,886 total allocations, total bytes = 3,444,805
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 8.76
4 List<BigStr*>* Alloc<List<BigStr*>>() 4521 6.45
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 3.76
8 syntax_asdl::SourceLine* Alloc<syntax_asdl::SourceLine, int&, … 2512 3.58
9 List<syntax_asdl::Redir*>* Alloc<List<syntax_asdl::Redir*>>() 1687 2.41
10 List<syntax_asdl::ParsedAssignment*>* Alloc<List<syntax_asdl::… 1589 2.27
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 0.830
20 Tuple2<int, int>* Alloc<Tuple2<int, int>, int, int>(int&&, int… 559 0.797
# A tibble: 5 × 3
func_name n percent
<chr> <int> <dbl>
1 value_asdl::value__List* Alloc<value_asdl::value__List, List<va… 1 0.00143
2 value_asdl::value__List* Alloc<value_asdl::value__List, List<va… 1 0.00143
3 word_eval::CompletionWordEvaluator* Alloc<word_eval::Completion… 1 0.00143
4 word_eval::NormalWordEvaluator* Alloc<word_eval::NormalWordEval… 1 0.00143
5 word_eval::TildeEvaluator* Alloc<word_eval::TildeEvaluator, sta… 1 0.00143
70,129 typed allocs, including 29,371 List<T>
68.83% 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 2914 2914 33.7
2 2 339 3253 37.6
3 3 408 3661 42.3
4 4 518 4179 48.3
5 5 648 4827 55.8
6 6 392 5219 60.3
7 7 300 5519 63.7
8 8 282 5801 67.0
9 9 184 5985 69.1
10 10 218 6203 71.6
11 11 247 6450 74.5
12 12 131 6581 76.0
13 13 94 6675 77.1
14 14 83 6758 78.1
15 15 85 6843 79.0
16 16 99 6942 80.2
# A tibble: 5 × 4
str_len n n_less_than percent
<int> <int> <int> <dbl>
1 202 1 8654 100.
2 255 1 8655 100.
3 358 1 8656 100.
4 1024 1 8657 100.
5 4096 1 8658 100
8,658 string allocations, total length = 102,362, total bytes = 249,548
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
22.67% 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 11 123 36787 91.4
13 12 76 36863 91.6
14 13 63 36926 91.8
15 14 51 36977 91.9
# A tibble: 5 × 4
num_items n n_less_than percent
<int> <int> <int> <dbl>
1 2508 1 40235 100.
2 2509 1 40236 100.
3 2510 1 40237 100.
4 2511 1 40238 100.
5 2512 1 40239 100
40,239 reserve() calls, total items = 3,264,970
Untyped: 101,886
Typed + Str + Slab: 101,886