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 18.1 471,252 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 135 24 62 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 146 24 61 45.9 51.9 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,780 180 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 8.0 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,247 277 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 1.7 dash -
13 11 2 3.4 bash -
97 54 51 3.5 zsh -
15 9 6 28.8 bumpleak/osh mut
17 13 3 29.9 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
27 19 8 25.8 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 25 7 18.2 osh-native mut+alloc+free+gc+exit
29 18 11 25.8 osh-nosouffle mut+alloc
31 20 11 26.5 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 33.0 _bin/cxx-opt+nopool/osh mut+alloc
45 37 7 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 1.6 dash -
43 42 1 3.4 bash -
329 188 165 3.5 zsh -
45 33 12 86.1 bumpleak/osh mut
48 37 11 85.5 _bin/cxx-opt+bumproot/osh mut
60 49 11 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 48 37 73.7 osh-native mut+alloc
93 59 34 75.5 osh-native mut+alloc+free
135 115 20 51.9 osh-native mut+alloc+free+gc
140 108 32 52.5 osh-native mut+alloc+free+gc+exit
93 57 36 74.1 osh-nosouffle mut+alloc
101 63 38 76.0 osh-nosouffle mut+alloc+free
146 125 20 51.9 osh-nosouffle mut+alloc+free+gc
150 127 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 76 51 98.1 _bin/cxx-opt+nopool/osh mut+alloc
205 169 35 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 1.6 dash -
4 2 1 3.0 bash -
7 5 2 3.3 zsh -
6 5 1 12.6 bumpleak/osh mut
6 4 2 12.9 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 5 4 8.7 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 5 5 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 6 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
10 10 0 1.4 dash -
31 30 1 3.3 bash -
21 16 5 3.4 zsh -
17 12 5 32.7 bumpleak/osh mut
18 15 3 32.1 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 27.0 osh-native mut+alloc
30 23 7 27.3 osh-native mut+alloc+free
20 17 3 8.0 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 24 10 27.5 osh-nosouffle mut+alloc
35 25 10 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 24 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 9.7 _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
106 99 7 3.3 bash -
211 161 50 57.4 bumpleak/osh mut
219 160 59 57.9 _bin/cxx-opt+bumproot/osh mut
236 173 62 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 195 64 48.8 osh-native mut+alloc
265 187 78 50.9 osh-native mut+alloc+free
221 168 53 9.0 osh-native mut+alloc+free+gc
223 179 44 9.0 osh-native mut+alloc+free+gc+exit
264 198 66 49.3 osh-nosouffle mut+alloc
271 191 80 51.3 osh-nosouffle mut+alloc+free
226 175 51 9.6 osh-nosouffle mut+alloc+free+gc
230 187 43 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 199 76 64.4 _bin/cxx-opt+nopool/osh mut+alloc
249 198 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 4 5 3.9 dash -
16 9 7 4.6 bash -
15 5 11 3.8 zsh -
17 10 8 14.2 bumpleak/osh mut
19 10 10 13.7 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 5 15 11.7 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
20 11 10 9.3 osh-native mut+alloc+free+gc
21 7 15 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 13 9 12.2 osh-nosouffle mut+alloc+free
22 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc