Memory Management Overhead

Source code: oils/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 34 5 12 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 37 5 11 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 163 30 85 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 170 30 84 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 11 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 228 0 5 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 232 0 5 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 23 1 2 3.0 10.1 117,207 277 3 83,988 1 41,994 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.7 dash -
13 12 1 3.3 bash -
93 48 51 3.4 zsh -
16 11 5 29.9 bumpleak/osh mut
17 12 5 29.9 _bin/cxx-opt+bumproot/osh mut
20 15 5 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
29 16 13 25.8 osh-native mut+alloc+free
34 29 5 18.2 osh-native mut+alloc+free+gc
34 23 11 18.2 osh-native mut+alloc+free+gc+exit
28 18 11 26.1 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
37 28 9 18.6 osh-nosouffle mut+alloc+free+gc
37 31 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 33.5 _bin/cxx-opt+nopool/osh mut+alloc
53 44 9 22.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
23 21 2 1.7 dash -
42 41 1 3.3 bash -
333 188 169 3.5 zsh -
46 35 11 86.5 bumpleak/osh mut
50 38 12 85.2 _bin/cxx-opt+bumproot/osh mut
60 46 13 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 42 42 73.7 osh-native mut+alloc
93 58 36 75.5 osh-native mut+alloc+free
163 141 22 51.7 osh-native mut+alloc+free+gc
163 135 28 52.4 osh-native mut+alloc+free+gc+exit
94 62 32 74.2 osh-nosouffle mut+alloc
101 71 31 76.0 osh-nosouffle mut+alloc+free
170 146 24 52.0 osh-nosouffle mut+alloc+free+gc
175 154 21 53.1 osh-nosouffle mut+alloc+free+gc+exit
131 75 56 98.8 _bin/cxx-opt+nopool/osh mut+alloc
233 201 32 73.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.6 dash -
4 3 1 3.3 bash -
7 3 3 3.4 zsh -
7 4 3 11.8 bumpleak/osh mut
7 4 3 11.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.6 osh-native mut+alloc
9 7 2 10.6 osh-native mut+alloc+free
10 5 5 8.8 osh-native mut+alloc+free+gc
10 7 3 9.0 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
10 5 4 11.1 osh-nosouffle mut+alloc+free
11 10 1 9.2 osh-nosouffle mut+alloc+free+gc
11 11 0 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
13 11 2 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 9 1 1.6 dash -
31 30 1 3.3 bash -
21 13 9 3.5 zsh -
18 11 7 32.8 bumpleak/osh mut
19 14 5 32.8 _bin/cxx-opt+bumproot/osh mut
22 16 6 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 22 9 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 23 10 27.1 osh-nosouffle mut+alloc
36 24 12 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 26 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
104 101 3 3.4 bash -
214 159 54 56.6 bumpleak/osh mut
223 172 50 57.4 _bin/cxx-opt+bumproot/osh mut
242 189 53 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 180 76 48.8 osh-native mut+alloc
263 196 67 50.9 osh-native mut+alloc+free
228 174 54 9.2 osh-native mut+alloc+free+gc
227 183 43 9.0 osh-native mut+alloc+free+gc+exit
266 198 69 49.3 osh-nosouffle mut+alloc
271 202 69 51.3 osh-nosouffle mut+alloc+free
232 178 54 9.6 osh-nosouffle mut+alloc+free+gc
232 185 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 203 77 65.8 _bin/cxx-opt+nopool/osh mut+alloc
262 214 48 10.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 3 7 4.1 dash -
16 8 9 4.7 bash -
16 2 15 3.8 zsh -
20 9 12 13.7 bumpleak/osh mut
20 6 15 13.2 _bin/cxx-opt+bumproot/osh mut
21 11 11 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.7 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
22 11 11 9.4 osh-native mut+alloc+free+gc
22 14 9 9.6 osh-native mut+alloc+free+gc+exit
21 14 8 12.1 osh-nosouffle mut+alloc
23 10 13 12.3 osh-nosouffle mut+alloc+free
23 13 10 10.1 osh-nosouffle mut+alloc+free+gc
23 15 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 9 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc