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 301 7 16 12.5 19.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 304 6 13 12.5 19.0 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 1,196 30 80 46.4 52.3 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 1,217 30 88 46.4 52.7 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 47 1 2 3.1 9.4 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 47 1 2 3.1 9.7 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 21 0 2 3.4 8.8 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 3.4 9.3 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 12.2 9.7 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 12.2 10.1 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 61 1 2 3.7 10.0 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 62 1 2 3.7 10.5 117,246 277 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
7 7 0 1.7 dash -
13 12 1 3.3 bash -
89 54 42 3.5 zsh -
278 48 230 31.0 bumpleak/osh mut
279 32 247 30.1 _bin/cxx-opt+bumproot/osh mut
282 61 221 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
286 52 234 26.0 osh-native mut+alloc
290 46 244 26.5 osh-native mut+alloc+free
301 66 236 19.0 osh-native mut+alloc+free+gc
304 62 242 18.9 osh-native mut+alloc+free+gc+exit
294 61 233 26.5 osh-nosouffle mut+alloc
295 49 246 26.9 osh-nosouffle mut+alloc+free
304 64 240 19.0 osh-nosouffle mut+alloc+free+gc
302 57 245 19.1 osh-nosouffle mut+alloc+free+gc+exit
301 47 254 33.8 _bin/cxx-opt+nopool/osh mut+alloc
309 73 236 23.2 _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 -
42 41 1 3.5 bash -
326 185 162 3.7 zsh -
1,094 186 908 86.0 bumpleak/osh mut
1,086 164 922 85.1 _bin/cxx-opt+bumproot/osh mut
1,104 199 905 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
1,123 179 944 74.2 osh-native mut+alloc
1,135 201 934 75.9 osh-native mut+alloc+free
1,196 280 916 52.3 osh-native mut+alloc+free+gc
1,209 300 909 53.1 osh-native mut+alloc+free+gc+exit
1,134 186 948 74.5 osh-nosouffle mut+alloc
1,145 204 939 76.4 osh-nosouffle mut+alloc+free
1,217 296 921 52.7 osh-nosouffle mut+alloc+free+gc
1,218 309 909 53.4 osh-nosouffle mut+alloc+free+gc+exit
1,167 213 954 99.0 _bin/cxx-opt+nopool/osh mut+alloc
1,319 375 943 73.5 _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 3 1 3.3 bash -
7 5 2 3.4 zsh -
43 10 33 13.4 bumpleak/osh mut
43 13 30 13.2 _bin/cxx-opt+bumproot/osh mut
44 10 34 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
45 9 37 11.0 osh-native mut+alloc
46 5 41 11.1 osh-native mut+alloc+free
47 10 37 9.4 osh-native mut+alloc+free+gc
47 12 35 9.2 osh-native mut+alloc+free+gc+exit
46 5 41 11.5 osh-nosouffle mut+alloc
47 11 36 11.4 osh-nosouffle mut+alloc+free
47 10 37 9.7 osh-nosouffle mut+alloc+free+gc
48 10 38 9.7 osh-nosouffle mut+alloc+free+gc+exit
49 13 35 12.6 _bin/cxx-opt+nopool/osh mut+alloc
50 12 38 10.0 _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 -
31 30 1 3.3 bash -
21 18 3 3.3 zsh -
17 11 6 34.2 bumpleak/osh mut
18 14 4 33.7 _bin/cxx-opt+bumproot/osh mut
22 20 2 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 27.4 osh-native mut+alloc
31 20 11 27.7 osh-native mut+alloc+free
21 18 3 8.8 osh-native mut+alloc+free+gc
21 17 3 8.8 osh-native mut+alloc+free+gc+exit
34 23 11 27.9 osh-nosouffle mut+alloc
36 24 12 28.2 osh-nosouffle mut+alloc+free
25 21 4 9.3 osh-nosouffle mut+alloc+free+gc
25 21 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
47 27 20 37.1 _bin/cxx-opt+nopool/osh mut+alloc
31 27 4 10.4 _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
103 99 4 3.4 bash -
218 166 52 56.5 bumpleak/osh mut
221 167 54 57.1 _bin/cxx-opt+bumproot/osh mut
238 179 59 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 192 65 49.5 osh-native mut+alloc
266 186 80 51.3 osh-native mut+alloc+free
223 180 43 9.7 osh-native mut+alloc+free+gc
226 164 62 9.4 osh-native mut+alloc+free+gc+exit
263 186 77 49.7 osh-nosouffle mut+alloc
274 207 67 51.8 osh-nosouffle mut+alloc+free
229 183 46 10.1 osh-nosouffle mut+alloc+free+gc
231 184 47 10.0 osh-nosouffle mut+alloc+free+gc+exit
280 191 89 64.5 _bin/cxx-opt+nopool/osh mut+alloc
250 199 51 11.2 _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 3.9 dash -
16 12 4 4.8 bash -
15 4 11 3.9 zsh -
60 14 47 14.1 bumpleak/osh mut
59 14 46 13.3 _bin/cxx-opt+bumproot/osh mut
59 13 47 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
60 11 49 12.3 osh-native mut+alloc
61 14 48 12.3 osh-native mut+alloc+free
61 17 45 10.0 osh-native mut+alloc+free+gc
62 18 45 10.0 osh-native mut+alloc+free+gc+exit
61 18 44 12.8 osh-nosouffle mut+alloc
63 17 46 12.7 osh-nosouffle mut+alloc+free
62 21 42 10.5 osh-nosouffle mut+alloc+free+gc
62 16 47 10.5 osh-nosouffle mut+alloc+free+gc+exit
64 12 52 13.7 _bin/cxx-opt+nopool/osh mut+alloc
65 14 51 11.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc