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 31 4 11 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 4 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 127 21 61 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 146 22 68 45.9 52.4 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 8 1 2 2.6 8.9 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 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 8.4 576,705 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 171 0 5 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 177 0 5 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 19 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
5 4 1 1.8 dash -
11 10 1 3.4 bash -
67 49 22 3.7 zsh -
16 11 5 30.3 bumpleak/osh mut
17 13 4 29.9 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 25.6 osh-native mut+alloc
24 16 8 25.8 osh-native mut+alloc+free
31 26 5 18.2 osh-native mut+alloc+free+gc
33 29 4 18.2 osh-native mut+alloc+free+gc+exit
25 18 7 26.0 osh-nosouffle mut+alloc
27 20 7 26.3 osh-nosouffle mut+alloc+free
33 31 2 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 21 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
43 36 8 22.7 _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
18 18 0 1.7 dash -
38 37 1 3.7 bash -
238 155 100 3.8 zsh -
50 33 16 84.7 bumpleak/osh mut
53 36 17 86.5 _bin/cxx-opt+bumproot/osh mut
62 44 18 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 47 24 73.9 osh-native mut+alloc
81 51 30 75.5 osh-native mut+alloc+free
127 108 19 51.9 osh-native mut+alloc+free+gc
139 117 22 52.5 osh-native mut+alloc+free+gc+exit
81 60 21 74.1 osh-nosouffle mut+alloc
92 73 19 76.1 osh-nosouffle mut+alloc+free
146 127 19 52.4 osh-nosouffle mut+alloc+free+gc
146 135 11 52.8 osh-nosouffle mut+alloc+free+gc+exit
111 81 30 97.9 _bin/cxx-opt+nopool/osh mut+alloc
193 170 23 72.3 _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
1 1 0 1.7 dash -
3 2 2 3.1 bash -
5 5 0 3.5 zsh -
6 2 4 12.3 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
7 3 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 2 5 10.6 osh-native mut+alloc
7 2 6 10.9 osh-native mut+alloc+free
8 6 3 8.9 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 8 0 11.0 osh-nosouffle mut+alloc
8 6 2 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 4 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 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 0 1.6 dash -
29 29 0 3.3 bash -
16 14 2 3.4 zsh -
19 12 7 32.2 bumpleak/osh mut
21 13 8 34.0 _bin/cxx-opt+bumproot/osh mut
23 17 6 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 9 27.3 osh-native mut+alloc
28 24 4 27.3 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
31 20 11 27.3 osh-nosouffle mut+alloc
33 26 7 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 31 9 36.4 _bin/cxx-opt+nopool/osh mut+alloc
28 26 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
102 97 5 3.5 bash -
171 139 32 57.0 bumpleak/osh mut
180 149 31 57.7 _bin/cxx-opt+bumproot/osh mut
189 161 28 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
194 154 40 48.9 osh-native mut+alloc
206 172 33 50.9 osh-native mut+alloc+free
171 147 24 9.0 osh-native mut+alloc+free+gc
172 147 26 9.0 osh-native mut+alloc+free+gc+exit
199 169 29 49.3 osh-nosouffle mut+alloc
210 170 40 51.4 osh-nosouffle mut+alloc+free
177 155 22 9.6 osh-nosouffle mut+alloc+free+gc
176 165 11 9.7 osh-nosouffle mut+alloc+free+gc+exit
220 180 39 64.7 _bin/cxx-opt+nopool/osh mut+alloc
208 191 17 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
7 4 3 4.1 dash -
13 9 5 4.7 bash -
12 6 7 4.1 zsh -
17 6 10 13.2 bumpleak/osh mut
15 10 5 12.7 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
17 8 9 11.7 osh-native mut+alloc
17 7 11 11.5 osh-native mut+alloc+free
18 9 9 9.6 osh-native mut+alloc+free+gc
19 9 10 9.7 osh-native mut+alloc+free+gc+exit
17 11 6 11.9 osh-nosouffle mut+alloc
19 11 8 12.2 osh-nosouffle mut+alloc+free
19 13 6 10.0 osh-nosouffle mut+alloc+free+gc
19 11 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 11 9 13.2 _bin/cxx-opt+nopool/osh mut+alloc
21 11 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc