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 9 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 11 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 139 26 66 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 151 27 68 45.9 52.1 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 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 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 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 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 9.8 117,207 277 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
7 6 1 1.7 dash -
13 12 1 3.3 bash -
89 56 40 3.5 zsh -
15 10 5 28.8 bumpleak/osh mut
16 12 4 29.9 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.6 osh-native mut+alloc
27 20 7 25.7 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
33 22 11 18.4 osh-native mut+alloc+free+gc+exit
28 19 10 26.0 osh-nosouffle mut+alloc
30 20 11 26.2 osh-nosouffle mut+alloc+free
36 28 8 18.6 osh-nosouffle mut+alloc+free+gc
38 31 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.9 _bin/cxx-opt+nopool/osh mut+alloc
45 38 7 22.6 _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 21 2 1.6 dash -
42 39 3 3.4 bash -
323 187 158 3.7 zsh -
45 36 9 86.1 bumpleak/osh mut
47 36 11 86.0 _bin/cxx-opt+bumproot/osh mut
58 41 17 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 56 27 73.8 osh-native mut+alloc
90 65 25 75.5 osh-native mut+alloc+free
139 117 22 51.7 osh-native mut+alloc+free+gc
142 113 29 52.4 osh-native mut+alloc+free+gc+exit
91 59 32 74.1 osh-nosouffle mut+alloc
100 65 35 76.0 osh-nosouffle mut+alloc+free
151 131 19 52.1 osh-nosouffle mut+alloc+free+gc
163 139 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 79 49 98.8 _bin/cxx-opt+nopool/osh mut+alloc
206 167 39 73.1 _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 3.4 zsh -
7 4 3 12.5 bumpleak/osh mut
7 4 2 11.9 _bin/cxx-opt+bumproot/osh mut
7 4 2 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 8 1 10.9 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _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 10 0 1.6 dash -
31 31 0 3.3 bash -
21 15 6 3.4 zsh -
17 12 5 32.8 bumpleak/osh mut
18 17 1 32.3 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 27.0 osh-native mut+alloc
30 17 13 27.0 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
36 27 9 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
104 102 2 3.4 bash -
212 171 41 56.2 bumpleak/osh mut
222 175 48 57.7 _bin/cxx-opt+bumproot/osh mut
240 177 63 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 197 63 48.8 osh-native mut+alloc
263 192 71 50.6 osh-native mut+alloc+free
222 167 55 9.0 osh-native mut+alloc+free+gc
223 169 54 9.0 osh-native mut+alloc+free+gc+exit
268 199 69 49.3 osh-nosouffle mut+alloc
268 202 66 51.1 osh-nosouffle mut+alloc+free
229 173 56 9.6 osh-nosouffle mut+alloc+free+gc
230 179 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 197 80 65.5 _bin/cxx-opt+nopool/osh mut+alloc
250 204 46 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 4 6 4.1 dash -
16 9 8 4.8 bash -
15 5 11 3.9 zsh -
17 10 8 13.9 bumpleak/osh mut
19 8 12 13.7 _bin/cxx-opt+bumproot/osh mut
20 11 10 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
20 6 16 11.7 osh-native mut+alloc+free
20 9 12 9.4 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 9 13 12.2 osh-nosouffle mut+alloc+free
22 13 10 9.8 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc