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 3 9 12.0 18.1 471,166 1,282 6 412,804 5 206,402 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,166 1,282 6 412,812 5 206,406 osh-nosouffle
parse.configure-coreutils 134 23 61 46.1 51.9 1,637,720 4,764 12 1,062,604 6 791,850 osh-native
parse.configure-coreutils 154 25 69 46.1 52.3 1,637,719 4,764 12 1,062,612 6 791,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,768 180 3 86,594 1 43,297 osh-native
parse.abuild 10 1 2 2.6 9.3 102,768 180 3 86,602 1 43,301 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 1 2.8 8.9 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 3 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,196 277 3 83,964 1 41,982 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,195 277 3 83,972 1 41,986 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.6 dash -
13 12 1 3.1 bash -
87 47 47 3.4 zsh -
16 11 4 29.1 bumpleak/osh mut
15 12 3 29.7 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.6 osh-native mut+alloc
27 18 9 25.8 osh-native mut+alloc+free
32 23 9 18.1 osh-native mut+alloc+free+gc
32 24 8 18.4 osh-native mut+alloc+free+gc+exit
28 11 17 25.8 osh-nosouffle mut+alloc
30 21 9 26.3 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
34 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 19 21 32.2 _bin/cxx-opt+nopool/osh mut+alloc
43 35 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
23 23 0 1.6 dash -
43 41 2 3.4 bash -
321 187 156 3.8 zsh -
44 36 8 85.2 bumpleak/osh mut
48 39 9 85.9 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 35 73.8 osh-native mut+alloc
89 57 32 75.5 osh-native mut+alloc+free
134 107 27 51.9 osh-native mut+alloc+free+gc
139 112 27 52.5 osh-native mut+alloc+free+gc+exit
91 58 33 74.2 osh-nosouffle mut+alloc
100 69 31 75.9 osh-nosouffle mut+alloc+free
154 127 26 52.3 osh-nosouffle mut+alloc+free+gc
148 131 17 53.0 osh-nosouffle mut+alloc+free+gc+exit
125 79 46 99.0 _bin/cxx-opt+nopool/osh mut+alloc
189 161 28 73.4 _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 1 3.1 bash -
6 4 3 3.4 zsh -
6 4 2 11.9 bumpleak/osh mut
6 4 2 12.1 _bin/cxx-opt+bumproot/osh mut
6 4 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 9 0 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 10 1 9.4 _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 1 1.7 dash -
43 42 1 3.3 bash -
21 19 2 3.4 zsh -
17 12 5 32.7 bumpleak/osh mut
18 14 4 32.8 _bin/cxx-opt+bumproot/osh mut
20 17 3 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.7 osh-native mut+alloc
29 18 12 27.0 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 22 11 27.5 osh-nosouffle mut+alloc
34 23 11 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.9 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 26 19 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 26 3 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 98 5 3.4 bash -
212 159 53 57.1 bumpleak/osh mut
219 166 52 56.1 _bin/cxx-opt+bumproot/osh mut
236 173 63 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 192 64 48.9 osh-native mut+alloc
264 189 75 50.7 osh-native mut+alloc+free
222 172 51 9.0 osh-native mut+alloc+free+gc
221 173 48 9.2 osh-native mut+alloc+free+gc+exit
265 190 74 49.4 osh-nosouffle mut+alloc
271 196 75 51.3 osh-nosouffle mut+alloc+free
228 185 43 9.6 osh-nosouffle mut+alloc+free+gc
248 197 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
274 195 79 65.6 _bin/cxx-opt+nopool/osh mut+alloc
249 202 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 7 2 3.9 dash -
16 11 5 4.7 bash -
15 8 8 3.9 zsh -
18 10 9 13.0 bumpleak/osh mut
18 9 10 13.0 _bin/cxx-opt+bumproot/osh mut
20 9 11 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
20 9 11 11.8 osh-native mut+alloc+free
20 8 13 9.6 osh-native mut+alloc+free+gc
21 7 14 9.6 osh-native mut+alloc+free+gc+exit
20 8 12 12.2 osh-nosouffle mut+alloc
21 8 14 12.2 osh-nosouffle mut+alloc+free
21 13 8 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 15 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc