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 32 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.5 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 133 23 60 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 139 22 57 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 1 2 2.6 9.3 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 217 0 3 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 225 0 4 11.6 9.7 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,246 277 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 6 1 1.7 dash -
13 13 0 3.3 bash -
89 48 49 3.5 zsh -
15 12 3 28.8 bumpleak/osh mut
16 13 3 29.1 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 10 25.3 osh-native mut+alloc
27 15 11 25.8 osh-native mut+alloc+free
32 21 11 18.1 osh-native mut+alloc+free+gc
32 21 11 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 25.8 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.5 osh-nosouffle mut+alloc+free+gc
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 33.2 _bin/cxx-opt+nopool/osh mut+alloc
44 35 9 22.4 _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 23 0 1.6 dash -
42 40 2 3.4 bash -
320 172 169 3.7 zsh -
45 34 11 85.5 bumpleak/osh mut
48 39 9 86.4 _bin/cxx-opt+bumproot/osh mut
63 46 15 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 54 27 73.7 osh-native mut+alloc
88 51 38 75.4 osh-native mut+alloc+free
133 109 24 51.7 osh-native mut+alloc+free+gc
132 106 26 52.5 osh-native mut+alloc+free+gc+exit
90 56 34 74.1 osh-nosouffle mut+alloc
99 66 34 75.9 osh-nosouffle mut+alloc+free
139 121 18 52.1 osh-nosouffle mut+alloc+free+gc
144 114 30 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 81 42 97.6 _bin/cxx-opt+nopool/osh mut+alloc
189 159 30 73.0 _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 2 0 1.7 dash -
4 2 2 3.1 bash -
6 3 3 3.4 zsh -
6 4 2 12.5 bumpleak/osh mut
6 3 3 12.7 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 6 2 10.5 osh-native mut+alloc+free
9 5 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.8 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
9 7 2 9.3 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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
10 10 0 1.6 dash -
31 29 2 3.4 bash -
21 12 9 3.4 zsh -
17 12 5 32.3 bumpleak/osh mut
19 14 5 33.5 _bin/cxx-opt+bumproot/osh mut
21 16 6 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 27.0 osh-native mut+alloc
30 25 5 27.3 osh-native mut+alloc+free
20 19 0 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 19 15 27.5 osh-nosouffle mut+alloc
36 27 9 27.8 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 9.9 _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
105 103 2 3.4 bash -
208 153 55 56.8 bumpleak/osh mut
219 158 60 57.0 _bin/cxx-opt+bumproot/osh mut
239 188 51 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 184 70 48.8 osh-native mut+alloc
260 190 70 50.9 osh-native mut+alloc+free
217 157 60 9.0 osh-native mut+alloc+free+gc
218 177 41 9.0 osh-native mut+alloc+free+gc+exit
261 188 72 49.3 osh-nosouffle mut+alloc
269 201 69 51.2 osh-nosouffle mut+alloc+free
225 182 43 9.7 osh-nosouffle mut+alloc+free+gc
224 181 43 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 201 75 65.5 _bin/cxx-opt+nopool/osh mut+alloc
252 205 47 10.5 _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 4 5 3.9 dash -
16 5 11 4.8 bash -
15 7 9 3.9 zsh -
17 7 10 12.7 bumpleak/osh mut
19 5 14 14.1 _bin/cxx-opt+bumproot/osh mut
18 12 7 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 9 11.7 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 8 13 9.6 osh-native mut+alloc+free+gc
21 12 9 9.6 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
22 7 16 12.3 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 12 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc