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 30 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 124 20 59 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 139 21 63 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 8 1 2 2.6 8.7 102,780 180 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 8.5 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 170 0 5 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 176 0 5 11.6 9.7 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 18 1 2 3.0 10.2 117,207 277 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
5 5 0 1.6 dash -
11 11 0 3.4 bash -
66 37 32 3.7 zsh -
15 10 5 29.6 bumpleak/osh mut
17 11 6 30.2 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 25.6 osh-native mut+alloc
24 19 5 26.1 osh-native mut+alloc+free
30 23 7 18.2 osh-native mut+alloc+free+gc
33 25 8 18.4 osh-native mut+alloc+free+gc+exit
24 11 13 26.1 osh-nosouffle mut+alloc
27 18 9 26.3 osh-nosouffle mut+alloc+free
33 26 7 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.9 osh-nosouffle mut+alloc+free+gc+exit
33 18 15 32.4 _bin/cxx-opt+nopool/osh mut+alloc
43 34 10 22.8 _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 38 0 3.4 bash -
234 150 99 3.7 zsh -
48 33 15 84.7 bumpleak/osh mut
53 37 16 84.6 _bin/cxx-opt+bumproot/osh mut
60 39 22 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 47 24 74.0 osh-native mut+alloc
82 56 26 75.4 osh-native mut+alloc+free
124 109 15 51.9 osh-native mut+alloc+free+gc
135 121 14 52.5 osh-native mut+alloc+free+gc+exit
81 54 27 74.3 osh-nosouffle mut+alloc
93 69 24 76.0 osh-nosouffle mut+alloc+free
139 119 20 52.1 osh-nosouffle mut+alloc+free+gc
141 122 19 52.9 osh-nosouffle mut+alloc+free+gc+exit
107 71 36 99.5 _bin/cxx-opt+nopool/osh mut+alloc
184 163 21 72.6 _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 1 3.3 bash -
5 2 2 3.4 zsh -
5 4 1 11.3 bumpleak/osh mut
6 3 3 12.6 _bin/cxx-opt+bumproot/osh mut
6 4 2 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 2 5 10.6 osh-native mut+alloc
7 5 2 10.6 osh-native mut+alloc+free
8 7 1 8.7 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
7 5 2 11.1 osh-nosouffle mut+alloc
8 8 0 11.3 osh-nosouffle mut+alloc+free
9 7 2 9.2 osh-nosouffle mut+alloc+free+gc
10 9 0 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 6 4 12.0 _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 8 1 1.6 dash -
28 27 1 3.3 bash -
17 14 2 3.4 zsh -
18 12 6 31.8 bumpleak/osh mut
21 12 9 33.5 _bin/cxx-opt+bumproot/osh mut
22 18 5 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 27.1 osh-native mut+alloc
29 18 11 27.0 osh-native mut+alloc+free
20 19 1 8.5 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
31 22 9 27.5 osh-nosouffle mut+alloc
34 26 8 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 29 0 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
96 95 1 3.4 bash -
170 145 25 57.6 bumpleak/osh mut
181 153 27 58.0 _bin/cxx-opt+bumproot/osh mut
187 156 31 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 158 35 48.9 osh-native mut+alloc
202 157 45 51.0 osh-native mut+alloc+free
170 147 23 9.2 osh-native mut+alloc+free+gc
186 161 25 9.0 osh-native mut+alloc+free+gc+exit
218 181 37 49.3 osh-nosouffle mut+alloc
208 172 36 51.3 osh-nosouffle mut+alloc+free
176 163 13 9.7 osh-nosouffle mut+alloc+free+gc
177 147 29 9.4 osh-nosouffle mut+alloc+free+gc+exit
218 182 36 64.5 _bin/cxx-opt+nopool/osh mut+alloc
201 173 28 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 5 2 4.1 dash -
13 6 7 5.0 bash -
11 4 7 3.9 zsh -
15 6 10 13.4 bumpleak/osh mut
15 7 8 14.6 _bin/cxx-opt+bumproot/osh mut
15 10 6 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
15 9 7 11.7 osh-native mut+alloc
17 12 5 11.8 osh-native mut+alloc+free
17 11 7 9.6 osh-native mut+alloc+free+gc
18 11 7 9.7 osh-native mut+alloc+free+gc+exit
17 6 11 12.2 osh-nosouffle mut+alloc
18 11 7 12.3 osh-nosouffle mut+alloc+free
18 15 4 10.2 osh-nosouffle mut+alloc+free+gc
19 12 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
18 12 7 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 12 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc