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 32 3 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 38 5 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 147 26 70 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 158 28 75 45.9 52.1 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 9.0 102,780 180 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 26 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.7 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,272 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 23 1 2 3.0 10.1 117,271 277 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 0 1.7 dash -
13 11 2 3.4 bash -
92 51 48 3.5 zsh -
16 10 6 28.8 bumpleak/osh mut
16 13 4 29.6 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 13 14 25.7 osh-native mut+alloc
30 18 13 25.7 osh-native mut+alloc+free
32 22 10 18.2 osh-native mut+alloc+free+gc
34 25 8 18.4 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 23 7 26.2 osh-nosouffle mut+alloc+free
38 29 9 18.7 osh-nosouffle mut+alloc+free+gc
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
42 25 17 33.3 _bin/cxx-opt+nopool/osh mut+alloc
49 38 11 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 41 2 3.5 bash -
334 196 162 3.8 zsh -
48 39 10 85.7 bumpleak/osh mut
51 39 12 85.5 _bin/cxx-opt+bumproot/osh mut
58 45 13 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 54 29 73.7 osh-native mut+alloc
94 68 26 75.5 osh-native mut+alloc+free
147 115 32 51.7 osh-native mut+alloc+free+gc
156 134 22 52.4 osh-native mut+alloc+free+gc+exit
94 52 42 74.1 osh-nosouffle mut+alloc
101 66 35 75.8 osh-nosouffle mut+alloc+free
158 137 21 52.1 osh-nosouffle mut+alloc+free+gc
167 139 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
130 89 41 98.6 _bin/cxx-opt+nopool/osh mut+alloc
206 169 37 73.8 _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 4 0 3.3 bash -
7 5 1 3.5 zsh -
6 4 2 11.4 bumpleak/osh mut
7 2 5 12.5 _bin/cxx-opt+bumproot/osh mut
7 3 5 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
9 6 2 10.7 osh-native mut+alloc+free
9 5 5 8.8 osh-native mut+alloc+free+gc
10 6 4 8.7 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 8 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
9 8 1 1.4 dash -
31 30 1 3.3 bash -
22 17 5 3.4 zsh -
17 11 6 32.5 bumpleak/osh mut
19 14 5 33.1 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.0 osh-native mut+alloc
30 18 13 27.3 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
33 21 12 27.4 osh-nosouffle mut+alloc
36 22 14 27.7 osh-nosouffle mut+alloc+free
26 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.9 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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 -
215 154 61 56.4 bumpleak/osh mut
227 179 48 56.2 _bin/cxx-opt+bumproot/osh mut
241 175 66 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 186 71 48.8 osh-native mut+alloc
265 185 80 50.7 osh-native mut+alloc+free
221 177 44 9.0 osh-native mut+alloc+free+gc
222 180 42 8.9 osh-native mut+alloc+free+gc+exit
265 196 69 49.3 osh-nosouffle mut+alloc
273 198 75 51.2 osh-nosouffle mut+alloc+free
229 187 42 9.7 osh-nosouffle mut+alloc+free+gc
235 171 64 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 190 90 65.0 _bin/cxx-opt+nopool/osh mut+alloc
255 198 57 10.7 _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 5 5 3.8 dash -
16 9 7 4.8 bash -
16 8 8 4.1 zsh -
18 8 11 12.3 bumpleak/osh mut
18 6 13 12.6 _bin/cxx-opt+bumproot/osh mut
19 8 11 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.5 osh-native mut+alloc
21 11 11 11.8 osh-native mut+alloc+free
21 11 11 9.6 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
23 10 13 12.2 osh-nosouffle mut+alloc+free
23 11 12 10.1 osh-nosouffle mut+alloc+free+gc
23 9 15 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc