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 3 9 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 137 24 62 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 146 26 63 45.9 52.0 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 10 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 24 0 1 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 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
6 6 1 1.6 dash -
13 12 1 3.3 bash -
89 54 42 3.7 zsh -
15 12 3 29.4 bumpleak/osh mut
17 13 3 28.9 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.6 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
32 25 7 18.4 osh-native mut+alloc+free+gc+exit
28 21 8 25.8 osh-nosouffle mut+alloc
30 17 14 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 32 11 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
23 22 1 1.7 dash -
43 42 1 3.4 bash -
330 190 163 3.5 zsh -
44 36 8 85.8 bumpleak/osh mut
49 39 10 85.1 _bin/cxx-opt+bumproot/osh mut
57 38 19 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 32 73.5 osh-native mut+alloc
93 54 39 75.5 osh-native mut+alloc+free
137 113 24 51.6 osh-native mut+alloc+free+gc
144 114 30 52.5 osh-native mut+alloc+free+gc+exit
94 68 26 74.1 osh-nosouffle mut+alloc
103 65 38 75.9 osh-nosouffle mut+alloc+free
146 125 21 52.0 osh-nosouffle mut+alloc+free+gc
163 135 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
129 83 46 98.6 _bin/cxx-opt+nopool/osh mut+alloc
198 159 39 73.8 _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
2 1 1 1.6 dash -
4 3 1 3.1 bash -
6 4 2 3.3 zsh -
6 6 0 12.7 bumpleak/osh mut
7 5 1 12.1 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.4 osh-native mut+alloc
9 7 1 10.6 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 8 2 1.6 dash -
31 30 1 3.1 bash -
21 17 4 3.3 zsh -
17 14 3 32.5 bumpleak/osh mut
18 16 2 32.1 _bin/cxx-opt+bumproot/osh mut
21 14 6 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 12 17 27.0 osh-native mut+alloc
30 18 12 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
33 24 10 27.4 osh-nosouffle mut+alloc
36 22 14 27.5 osh-nosouffle mut+alloc+free
24 23 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 22 24 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 9.8 _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 97 6 3.4 bash -
212 164 48 56.1 bumpleak/osh mut
223 163 59 57.8 _bin/cxx-opt+bumproot/osh mut
239 192 47 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 186 71 48.7 osh-native mut+alloc
261 190 71 50.9 osh-native mut+alloc+free
221 174 47 9.2 osh-native mut+alloc+free+gc
224 167 57 9.0 osh-native mut+alloc+free+gc+exit
263 188 75 49.2 osh-nosouffle mut+alloc
274 198 76 51.1 osh-nosouffle mut+alloc+free
229 179 51 9.4 osh-nosouffle mut+alloc+free+gc
230 183 46 9.4 osh-nosouffle mut+alloc+free+gc+exit
280 204 76 65.3 _bin/cxx-opt+nopool/osh mut+alloc
250 199 51 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 3 7 3.9 dash -
16 10 7 4.8 bash -
16 10 6 3.9 zsh -
18 8 11 12.8 bumpleak/osh mut
18 10 8 14.2 _bin/cxx-opt+bumproot/osh mut
21 11 10 14.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.4 osh-native mut+alloc
21 8 14 11.7 osh-native mut+alloc+free
21 12 10 9.6 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
21 15 7 12.2 osh-nosouffle mut+alloc
22 13 9 12.3 osh-nosouffle mut+alloc+free
22 17 5 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc