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 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 136 25 62 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 139 22 57 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 8.7 102,780 180 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 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.7 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,207 277 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 5 1 1.7 dash -
12 12 1 3.3 bash -
89 51 45 3.4 zsh -
15 13 2 30.0 bumpleak/osh mut
15 11 4 29.2 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.3 osh-native mut+alloc
27 15 12 25.8 osh-native mut+alloc+free
32 26 6 18.1 osh-native mut+alloc+free+gc
32 27 6 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 25.8 osh-nosouffle mut+alloc
30 14 16 26.5 osh-nosouffle mut+alloc+free
33 26 8 18.7 osh-nosouffle mut+alloc+free+gc
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 18 21 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 22 1 1.6 dash -
42 40 2 3.4 bash -
322 167 178 3.7 zsh -
45 33 12 86.4 bumpleak/osh mut
48 38 10 85.2 _bin/cxx-opt+bumproot/osh mut
58 48 10 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 57 27 73.7 osh-native mut+alloc
92 55 37 75.6 osh-native mut+alloc+free
136 110 26 51.7 osh-native mut+alloc+free+gc
140 118 22 52.4 osh-native mut+alloc+free+gc+exit
92 64 28 74.1 osh-nosouffle mut+alloc
100 59 41 75.9 osh-nosouffle mut+alloc+free
139 118 21 52.0 osh-nosouffle mut+alloc+free+gc
146 119 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 84 44 99.6 _bin/cxx-opt+nopool/osh mut+alloc
197 164 33 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 1 1 1.8 dash -
4 2 1 3.3 bash -
6 4 2 3.3 zsh -
6 3 3 13.2 bumpleak/osh mut
7 5 2 12.3 _bin/cxx-opt+bumproot/osh mut
7 2 5 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 10 1 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 1 9.5 _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 0 1.6 dash -
31 31 0 3.1 bash -
21 16 5 3.4 zsh -
16 13 3 33.5 bumpleak/osh mut
17 16 1 31.9 _bin/cxx-opt+bumproot/osh mut
20 14 6 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 26.9 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
24 24 0 8.8 osh-nosouffle mut+alloc+free+gc
24 24 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 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
103 97 6 3.4 bash -
210 167 43 56.4 bumpleak/osh mut
220 165 55 56.5 _bin/cxx-opt+bumproot/osh mut
235 186 49 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 179 76 48.8 osh-native mut+alloc
266 197 69 50.7 osh-native mut+alloc+free
220 170 50 9.0 osh-native mut+alloc+free+gc
224 171 53 9.0 osh-native mut+alloc+free+gc+exit
260 194 66 49.3 osh-nosouffle mut+alloc
271 193 78 51.4 osh-nosouffle mut+alloc+free
225 180 45 9.7 osh-nosouffle mut+alloc+free+gc
226 184 42 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 212 67 65.6 _bin/cxx-opt+nopool/osh mut+alloc
257 209 48 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 4 4.1 dash -
16 11 5 4.8 bash -
15 5 11 3.9 zsh -
17 12 6 14.0 bumpleak/osh mut
18 9 10 13.0 _bin/cxx-opt+bumproot/osh mut
19 11 8 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.4 osh-native mut+alloc
20 11 9 11.5 osh-native mut+alloc+free
20 11 9 9.6 osh-native mut+alloc+free+gc
21 13 8 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 11.9 osh-nosouffle mut+alloc
21 8 14 12.2 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.0 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc