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 10 12.0 18.2 471,252 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 152 27 78 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 152 25 69 45.9 52.3 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.9 102,780 180 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 1 2.8 8.3 576,705 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 220 0 4 11.6 9.0 990,260 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 9.6 117,247 277 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
6 6 1 1.6 dash -
13 12 1 3.4 bash -
90 56 41 3.5 zsh -
15 12 3 30.1 bumpleak/osh mut
17 13 4 28.9 _bin/cxx-opt+bumproot/osh mut
20 15 5 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
28 16 11 25.7 osh-native mut+alloc+free
31 24 8 18.2 osh-native mut+alloc+free+gc
32 25 7 18.2 osh-native mut+alloc+free+gc+exit
28 16 13 26.0 osh-nosouffle mut+alloc
30 16 14 26.3 osh-nosouffle mut+alloc+free
35 29 6 18.6 osh-nosouffle mut+alloc+free+gc
36 28 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 30 8 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 38 9 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 1.7 dash -
43 42 1 3.4 bash -
329 192 161 3.5 zsh -
44 34 10 86.3 bumpleak/osh mut
48 40 8 85.6 _bin/cxx-opt+bumproot/osh mut
59 40 19 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 52 29 73.8 osh-native mut+alloc
90 54 36 75.5 osh-native mut+alloc+free
152 128 24 51.7 osh-native mut+alloc+free+gc
149 120 29 52.5 osh-native mut+alloc+free+gc+exit
92 55 37 74.2 osh-nosouffle mut+alloc
101 81 21 76.2 osh-nosouffle mut+alloc+free
152 125 27 52.3 osh-nosouffle mut+alloc+free+gc
158 137 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 76 52 98.8 _bin/cxx-opt+nopool/osh mut+alloc
213 177 36 74.1 _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 2 0 1.6 dash -
4 2 1 3.1 bash -
6 4 3 3.4 zsh -
6 3 3 12.5 bumpleak/osh mut
6 5 2 12.0 _bin/cxx-opt+bumproot/osh mut
7 6 1 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 3 5 10.4 osh-native mut+alloc+free
9 5 4 8.9 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
9 9 1 1.4 dash -
31 30 1 3.3 bash -
21 15 6 3.4 zsh -
16 11 5 32.4 bumpleak/osh mut
18 15 3 32.1 _bin/cxx-opt+bumproot/osh mut
20 17 3 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
31 21 10 27.4 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 22 12 27.4 osh-nosouffle mut+alloc
36 26 10 27.8 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 29 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 23 7 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
102 99 3 3.4 bash -
212 160 52 57.3 bumpleak/osh mut
218 170 48 58.1 _bin/cxx-opt+bumproot/osh mut
236 179 57 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 180 75 48.8 osh-native mut+alloc
263 187 76 50.7 osh-native mut+alloc+free
220 173 48 9.0 osh-native mut+alloc+free+gc
225 173 52 9.0 osh-native mut+alloc+free+gc+exit
261 197 65 49.2 osh-nosouffle mut+alloc
270 201 69 51.2 osh-nosouffle mut+alloc+free
227 177 50 9.6 osh-nosouffle mut+alloc+free+gc
226 172 54 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 189 89 65.7 _bin/cxx-opt+nopool/osh mut+alloc
253 207 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 5 3.8 dash -
16 8 9 4.8 bash -
16 6 10 3.8 zsh -
17 9 9 12.3 bumpleak/osh mut
19 10 9 13.6 _bin/cxx-opt+bumproot/osh mut
18 6 13 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 3 16 11.5 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
20 13 8 9.6 osh-native mut+alloc+free+gc
21 10 12 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 14 9 12.2 osh-nosouffle mut+alloc+free
21 8 14 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc