Percentage of allocs less than 48 bytes: 90.8
All allocations
# A tibble: 22 × 4
obj_len n n_less_than percent
<int> <int> <int> <dbl>
1 9 39 39 0.0244
2 10 2 41 0.0257
3 11 2005 2046 1.28
4 12 1 2047 1.28
5 16 14754 16801 10.5
6 18 314 17115 10.7
7 19 2366 19481 12.2
8 20 3615 23096 14.5
9 21 4076 27172 17.0
10 22 1036 28208 17.7
11 23 1025 29233 18.3
12 24 51150 80383 50.3
13 25 1059 81442 51.0
14 26 4045 85487 53.5
15 27 32 85519 53.5
16 28 26 85545 53.5
17 29 29 85574 53.6
18 30 26 85600 53.6
19 31 17 85617 53.6
20 32 14255 99872 62.5
21 33 10 99882 62.5
22 34 3 99885 62.5
# A tibble: 5 × 4
obj_len n n_less_than percent
<int> <int> <int> <dbl>
1 1024 8 159746 100.
2 1032 6 159752 100.
3 1041 1 159753 100.
4 4096 2 159755 100.
5 4113 2 159757 100
Common Sizes
# A tibble: 8 × 2
obj_len n
<int> <int>
1 24 51150
2 48 42982
3 16 14754
4 32 14255
5 64 4166
6 21 4076
7 26 4045
8 20 3615
159,757 total allocations, total bytes = 6,336,073
Typed allocations
# A tibble: 20 × 3
func_name n percent
<chr> <int> <dbl>
1 List<BigStr*>* Alloc<List<BigStr*>>() 10089 11.3
2 List<runtime_asdl::part_value_t*>* Alloc<List<runtime_asdl::pa… 8010 8.96
3 runtime_asdl::CommandStatus* Alloc<runtime_asdl::CommandStatus… 5010 5.60
4 runtime_asdl::Piece* Alloc<runtime_asdl::Piece, BigStr*, bool&… 5003 5.59
5 List<syntax_asdl::CompoundWord*>* Alloc<List<syntax_asdl::Comp… 4043 4.52
6 syntax_asdl::word__String* Alloc<syntax_asdl::word__String, in… 4004 4.48
7 List<int>* Alloc<List<int>>() 3021 3.38
8 mylib::BufWriter* Alloc<mylib::BufWriter>() 3007 3.36
9 List<List<runtime_asdl::Piece*>*>* Alloc<List<List<runtime_asd… 3004 3.36
10 List<runtime_asdl::Piece*>* Alloc<List<runtime_asdl::Piece*>>() 3004 3.36
11 List<Tuple2<runtime_asdl::span_e, int>*>* Alloc<List<Tuple2<ru… 3002 3.36
12 List<mylib::BufWriter*>* Alloc<List<mylib::BufWriter*>>() 3002 3.36
13 Tuple2<runtime_asdl::span_e, int>* Alloc<Tuple2<runtime_asdl::… 3002 3.36
14 value_asdl::value__Str* Alloc<value_asdl::value__Str, BigStr*&… 2046 2.29
15 runtime_asdl::VarSubState* Alloc<runtime_asdl::VarSubState, bo… 2005 2.24
16 runtime_asdl::cmd_value__Argv* Alloc<runtime_asdl::cmd_value__… 2004 2.24
17 value_asdl::value__Str* Alloc<value_asdl::value__Str, BigStr*>… 2004 2.24
18 runtime_asdl::Piece* Alloc<runtime_asdl::Piece, BigStr*&, bool… 2003 2.24
19 syntax_asdl::loc__Word* Alloc<syntax_asdl::loc__Word, syntax_a… 2002 2.24
20 syntax_asdl::loc__Arith* Alloc<syntax_asdl::loc__Arith, syntax… 2000 2.24
# A tibble: 5 × 3
func_name n percent
<chr> <int> <dbl>
1 value_asdl::value__Proc* Alloc<value_asdl::value__Proc, BigStr*… 1 0.00112
2 word_eval::CompletionWordEvaluator* Alloc<word_eval::Completion… 1 0.00112
3 word_eval::NormalWordEvaluator* Alloc<word_eval::NormalWordEval… 1 0.00112
4 word_eval::TildeEvaluator* Alloc<word_eval::TildeEvaluator, sta… 1 0.00112
5 word_parse::WordParser* Alloc<word_parse::WordParser, parse_lib… 1 0.00112
89,447 typed allocs, including 41,733 List<T>
55.99% of allocs are typed
Str - NewStr() and OverAllocatedStr()
# A tibble: 16 × 4
str_len n n_less_than percent
<int> <int> <int> <dbl>
1 1 314 314 1.76
2 2 2366 2680 15.1
3 3 3615 6295 35.4
4 4 4076 10371 58.3
5 5 1036 11407 64.1
6 6 1025 12432 69.8
7 7 53 12485 70.1
8 8 1059 13544 76.1
9 9 4045 17589 98.8
10 10 32 17621 99.0
11 11 17 17638 99.1
12 12 29 17667 99.3
13 13 26 17693 99.4
14 14 17 17710 99.5
15 15 7 17717 99.5
16 16 10 17727 99.6
# A tibble: 5 × 4
str_len n n_less_than percent
<int> <int> <int> <dbl>
1 134 1 17794 100.
2 202 1 17795 100.
3 255 1 17796 100.
4 1024 1 17797 100.
5 4096 2 17799 100
17,799 string allocations, total length = 102,508, total bytes = 405,091
11.14% of allocs are strings
6.39% of bytes are strings
NewSlab()
Lengths
# A tibble: 6 × 4
slab_len n n_less_than percent
<int> <int> <int> <dbl>
1 5 36658 36658 69.8
2 7 3076 39734 75.7
3 8 1042 40776 77.7
4 10 3153 43929 83.7
5 14 78 44007 83.8
6 15 2064 46071 87.7
# A tibble: 5 × 4
slab_len n n_less_than percent
<int> <int> <int> <dbl>
1 127 11 52466 99.9
2 128 36 52502 100.
3 254 1 52503 100.
4 256 6 52509 100.
5 1022 2 52511 100
Slab Types
# A tibble: 6 × 2
func_name n
<chr> <int>
1 Slab<BigStr*>* NewSlab<BigStr*>(int) 18189
2 Slab<runtime_asdl::part_value_t*>* NewSlab<runtime_asdl::part_value_t*>… 8010
3 Slab<int>* NewSlab<int>(int) 7693
4 Slab<syntax_asdl::CompoundWord*>* NewSlab<syntax_asdl::CompoundWord*>(i… 5033
5 Slab<List<runtime_asdl::Piece*>*>* NewSlab<List<runtime_asdl::Piece*>*>… 3004
6 Slab<runtime_asdl::Piece*>* NewSlab<runtime_asdl::Piece*>(int) 3003
# A tibble: 5 × 2
func_name n
<chr> <int>
1 Slab<syntax_asdl::loc_t*>* NewSlab<syntax_asdl::loc_t*>(int) 1
2 Slab<value_asdl::regex_match_t*>* NewSlab<value_asdl::regex_match_t*>(i… 1
3 Slab<value_asdl::value__Dict*>* NewSlab<value_asdl::value__Dict*>(int) 1
4 Slab<value_asdl::value__Proc*>* NewSlab<value_asdl::value__Proc*>(int) 1
5 Slab<vm::_AssignBuiltin*>* NewSlab<vm::_AssignBuiltin*>(int) 1
52,511 slabs, total items = 515,143
32.87% 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 9 9 0.00954
2 1 46590 46599 49.4
3 2 13221 59820 63.4
4 3 10027 69847 74.1
5 4 11087 80934 85.8
6 5 5048 85982 91.2
7 6 3055 89037 94.4
8 7 1017 90054 95.5
9 8 2035 92089 97.7
10 9 1013 93102 98.7
11 10 8 93110 98.7
12 11 46 93156 98.8
13 12 7 93163 98.8
14 13 5 93168 98.8
15 14 6 93174 98.8
# A tibble: 5 × 4
num_items n n_less_than percent
<int> <int> <int> <dbl>
1 63 1 94283 100.
2 64 5 94288 100.
3 113 2 94290 100.
4 179 1 94291 100.
5 1022 2 94293 100
94,293 reserve() calls, total items = 245,548
Untyped: 159,757
Typed + Str + Slab: 159,757