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 34 4 11 12.0 18.9 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 131 22 65 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 143 22 66 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 8.3 572,104 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 175 0 5 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 175 0 5 11.6 9.8 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 19 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
5 5 0 1.7 dash -
11 10 1 3.4 bash -
66 38 33 3.5 zsh -
16 9 7 28.9 bumpleak/osh mut
17 12 5 29.4 _bin/cxx-opt+bumproot/osh mut
20 12 8 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 25.6 osh-native mut+alloc
25 16 9 26.0 osh-native mut+alloc+free
31 28 3 18.2 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
24 17 7 25.8 osh-nosouffle mut+alloc
27 18 10 26.3 osh-nosouffle mut+alloc+free
34 25 9 18.9 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 20 13 33.5 _bin/cxx-opt+nopool/osh mut+alloc
46 40 6 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 36 2 3.5 bash -
239 161 93 3.7 zsh -
50 35 14 84.6 bumpleak/osh mut
53 37 16 85.8 _bin/cxx-opt+bumproot/osh mut
61 49 12 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 46 25 73.7 osh-native mut+alloc
82 57 25 75.6 osh-native mut+alloc+free
131 115 16 51.7 osh-native mut+alloc+free+gc
137 118 19 52.4 osh-native mut+alloc+free+gc+exit
81 59 22 74.2 osh-nosouffle mut+alloc
92 59 33 76.0 osh-nosouffle mut+alloc+free
143 131 12 52.1 osh-nosouffle mut+alloc+free+gc
151 139 12 52.8 osh-nosouffle mut+alloc+free+gc+exit
111 68 43 97.6 _bin/cxx-opt+nopool/osh mut+alloc
195 172 23 72.8 _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 3 3.3 zsh -
5 3 3 11.8 bumpleak/osh mut
6 4 2 13.1 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 3 4 10.7 osh-native mut+alloc
7 4 3 10.7 osh-native mut+alloc+free
8 7 2 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
9 7 2 9.2 osh-nosouffle mut+alloc+free+gc
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 4 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 9 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 0 1.6 dash -
29 28 1 3.1 bash -
16 16 0 3.5 zsh -
19 13 6 32.8 bumpleak/osh mut
20 14 7 33.7 _bin/cxx-opt+bumproot/osh mut
23 16 7 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 26.7 osh-native mut+alloc
29 14 15 27.3 osh-native mut+alloc+free
20 20 0 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 27 3 27.3 osh-nosouffle mut+alloc
33 30 3 27.7 osh-nosouffle mut+alloc+free
25 25 0 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 26 3 10.0 _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
97 94 3 3.5 bash -
171 143 28 56.4 bumpleak/osh mut
180 154 26 57.9 _bin/cxx-opt+bumproot/osh mut
188 154 34 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 164 29 48.9 osh-native mut+alloc
201 162 39 50.9 osh-native mut+alloc+free
175 154 21 9.2 osh-native mut+alloc+free+gc
172 150 22 9.0 osh-native mut+alloc+free+gc+exit
198 154 44 49.4 osh-nosouffle mut+alloc
207 174 33 51.3 osh-nosouffle mut+alloc+free
175 158 17 9.8 osh-nosouffle mut+alloc+free+gc
176 152 24 9.3 osh-nosouffle mut+alloc+free+gc+exit
219 170 49 65.9 _bin/cxx-opt+nopool/osh mut+alloc
206 194 12 10.8 _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 5 8 5.0 bash -
12 8 4 4.1 zsh -
14 7 8 13.8 bumpleak/osh mut
15 10 5 12.6 _bin/cxx-opt+bumproot/osh mut
16 9 7 14.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 10 6 11.5 osh-native mut+alloc
17 8 9 11.8 osh-native mut+alloc+free
17 10 7 9.4 osh-native mut+alloc+free+gc
18 11 8 9.6 osh-native mut+alloc+free+gc+exit
17 11 7 12.2 osh-nosouffle mut+alloc
18 12 7 12.3 osh-nosouffle mut+alloc+free
19 14 5 10.1 osh-nosouffle mut+alloc+free+gc
19 12 7 10.0 osh-nosouffle mut+alloc+free+gc+exit
19 12 7 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 14 6 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc