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 18.0 471,252 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 134 24 61 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 149 26 65 45.9 52.0 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 9.3 102,780 180 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 8.5 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 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 21 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
7 7 0 1.6 dash -
13 12 1 3.4 bash -
90 52 44 3.5 zsh -
16 13 3 29.4 bumpleak/osh mut
16 12 5 30.1 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.4 osh-native mut+alloc
28 22 6 25.7 osh-native mut+alloc+free
31 28 3 18.0 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 17 13 26.2 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 15 32.6 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 22.5 _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 -
42 40 2 3.4 bash -
326 178 172 3.5 zsh -
45 37 8 86.0 bumpleak/osh mut
49 38 11 85.2 _bin/cxx-opt+bumproot/osh mut
58 46 13 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 54 29 73.7 osh-native mut+alloc
95 67 28 75.5 osh-native mut+alloc+free
134 110 24 51.7 osh-native mut+alloc+free+gc
145 113 32 52.5 osh-native mut+alloc+free+gc+exit
92 62 30 74.2 osh-nosouffle mut+alloc
100 68 32 75.9 osh-nosouffle mut+alloc+free
149 125 24 52.0 osh-nosouffle mut+alloc+free+gc
156 133 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 81 48 97.8 _bin/cxx-opt+nopool/osh mut+alloc
213 177 36 72.9 _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 1.7 dash -
4 3 1 3.1 bash -
6 4 3 3.4 zsh -
6 5 1 12.9 bumpleak/osh mut
7 6 1 12.2 _bin/cxx-opt+bumproot/osh mut
7 2 5 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 1 7 10.6 osh-native mut+alloc+free
9 5 4 8.5 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc
10 10 0 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _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 10 0 1.4 dash -
30 29 1 3.3 bash -
21 18 3 3.4 zsh -
18 14 4 33.2 bumpleak/osh mut
18 15 3 32.3 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 10 27.0 osh-native mut+alloc
30 17 14 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 24 9 27.4 osh-nosouffle mut+alloc
35 23 12 27.8 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 34 12 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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
103 97 6 3.4 bash -
213 146 67 57.4 bumpleak/osh mut
221 170 51 56.1 _bin/cxx-opt+bumproot/osh mut
239 185 54 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 189 66 48.8 osh-native mut+alloc
266 204 62 50.7 osh-native mut+alloc+free
222 173 49 8.9 osh-native mut+alloc+free+gc
222 187 35 9.0 osh-native mut+alloc+free+gc+exit
263 197 66 49.3 osh-nosouffle mut+alloc
269 203 66 51.3 osh-nosouffle mut+alloc+free
227 168 58 9.6 osh-nosouffle mut+alloc+free+gc
227 185 42 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 200 78 64.2 _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 6 4 3.9 dash -
16 7 10 4.8 bash -
15 7 9 3.9 zsh -
19 12 7 13.7 bumpleak/osh mut
18 6 13 13.2 _bin/cxx-opt+bumproot/osh mut
18 5 13 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 12 11.5 osh-native mut+alloc
20 9 12 11.8 osh-native mut+alloc+free
20 12 9 9.3 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 12 9 12.1 osh-nosouffle mut+alloc
22 12 10 12.3 osh-nosouffle mut+alloc+free
21 13 8 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc