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 33 4 10 12.0 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 159 30 84 45.9 51.8 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 163 31 79 45.9 52.2 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,780 180 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 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 231 0 4 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 240 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 24 1 2 3.0 9.8 117,246 277 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 1.6 dash -
14 13 1 3.3 bash -
100 62 44 3.7 zsh -
16 11 5 30.0 bumpleak/osh mut
17 14 3 30.0 _bin/cxx-opt+bumproot/osh mut
21 13 7 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 21 5 25.4 osh-native mut+alloc
29 16 14 25.8 osh-native mut+alloc+free
33 24 8 18.0 osh-native mut+alloc+free+gc
37 31 6 18.2 osh-native mut+alloc+free+gc+exit
29 18 12 25.8 osh-nosouffle mut+alloc
31 19 13 26.3 osh-nosouffle mut+alloc+free
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
43 27 15 33.5 _bin/cxx-opt+nopool/osh mut+alloc
46 34 12 23.1 _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 1.7 dash -
43 42 1 3.4 bash -
355 189 189 3.7 zsh -
46 32 14 84.6 bumpleak/osh mut
49 40 9 85.3 _bin/cxx-opt+bumproot/osh mut
60 44 16 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 53 28 73.8 osh-native mut+alloc
92 56 35 75.5 osh-native mut+alloc+free
159 136 23 51.8 osh-native mut+alloc+free+gc
164 144 20 52.4 osh-native mut+alloc+free+gc+exit
92 62 30 74.1 osh-nosouffle mut+alloc
103 67 36 76.0 osh-nosouffle mut+alloc+free
163 140 23 52.2 osh-nosouffle mut+alloc+free+gc
160 135 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
130 84 46 99.2 _bin/cxx-opt+nopool/osh mut+alloc
243 204 39 71.7 _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 0 2 1.7 dash -
4 3 1 3.3 bash -
7 0 6 3.4 zsh -
6 3 3 12.9 bumpleak/osh mut
7 3 4 11.7 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.7 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
10 6 3 8.7 osh-native mut+alloc+free+gc
10 9 1 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
10 6 4 11.1 osh-nosouffle mut+alloc+free
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc
11 7 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 9 2 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.6 _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 1.4 dash -
30 30 0 3.3 bash -
21 16 6 3.4 zsh -
17 14 3 32.8 bumpleak/osh mut
20 14 6 33.2 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.9 osh-native mut+alloc
32 26 5 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 18 16 27.4 osh-nosouffle mut+alloc
36 26 10 27.5 osh-nosouffle mut+alloc+free
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc
26 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 35 12 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 27 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
108 105 3 3.4 bash -
223 158 65 57.6 bumpleak/osh mut
234 180 54 57.9 _bin/cxx-opt+bumproot/osh mut
251 190 61 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
273 192 81 48.6 osh-native mut+alloc
277 199 78 50.7 osh-native mut+alloc+free
231 184 46 8.9 osh-native mut+alloc+free+gc
236 176 60 9.0 osh-native mut+alloc+free+gc+exit
275 198 77 49.3 osh-nosouffle mut+alloc
283 212 71 51.1 osh-nosouffle mut+alloc+free
240 186 53 9.6 osh-nosouffle mut+alloc+free+gc
236 188 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
294 214 79 63.8 _bin/cxx-opt+nopool/osh mut+alloc
265 208 57 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
10 3 7 3.9 dash -
17 9 9 4.8 bash -
16 8 9 3.8 zsh -
19 7 12 12.4 bumpleak/osh mut
20 6 14 13.5 _bin/cxx-opt+bumproot/osh mut
22 11 12 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 11 11.5 osh-native mut+alloc
22 12 11 11.7 osh-native mut+alloc+free
22 9 13 9.6 osh-native mut+alloc+free+gc
22 12 11 9.7 osh-native mut+alloc+free+gc+exit
22 11 12 12.2 osh-nosouffle mut+alloc
24 11 13 12.2 osh-nosouffle mut+alloc+free
24 10 14 9.8 osh-nosouffle mut+alloc+free+gc
24 15 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
25 10 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc