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 10831 10910 10.7 4 18 2916 13826 13.6 5 19 339 14165 13.9 6 20 408 14573 14.3 7 21 518 15091 14.8 8 22 648 15739 15.4 9 23 392 16131 15.8 10 24 31424 47555 46.7 11 25 283 47838 46.9 12 26 184 48022 47.1 13 27 218 48240 47.3 14 28 254 48494 47.6 15 29 131 48625 47.7 16 30 94 48719 47.8 17 31 83 48802 47.9 18 32 25032 73834 72.4 19 33 99 73933 72.5 20 34 70 74003 72.6 21 35 59 74062 72.7 22 36 72 74134 72.7 # A tibble: 5 × 4 obj_len n n_less_than percent <int> <int> <int> <dbl> 1 4096 3 101931 100. 2 4113 1 101932 100. 3 8192 1 101933 100. 4 16384 1 101934 100. 5 32768 1 101935 100 Common Sizes # A tibble: 8 × 2 obj_len n <int> <int> 1 24 31424 2 32 25032 3 48 22725 4 16 10831 5 18 2916 6 56 1243 7 40 799 8 64 761 101,935 total allocations, total bytes = 3,445,842 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 0.797 # 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 70,175 typed allocs, including 29,371 List<T> 68.84% 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 = 3,264,991 Untyped: 101,935 Typed + Str + Slab: 101,935