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 33 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 149 27 72 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 158 30 73 45.9 52.3 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 11 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 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 26 0 2 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 228 0 5 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 237 0 5 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 23 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 1.7 dash -
13 10 3 3.4 bash -
93 50 50 3.7 zsh -
15 10 5 29.7 bumpleak/osh mut
17 12 5 28.6 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.3 osh-native mut+alloc
29 16 12 26.0 osh-native mut+alloc+free
33 25 7 18.1 osh-native mut+alloc+free+gc
36 33 3 18.2 osh-native mut+alloc+free+gc+exit
28 16 13 25.8 osh-nosouffle mut+alloc
33 21 12 26.3 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
40 31 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
41 26 15 33.6 _bin/cxx-opt+nopool/osh mut+alloc
48 38 11 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 23 0 1.6 dash -
44 42 2 3.5 bash -
337 187 173 3.5 zsh -
45 35 11 86.0 bumpleak/osh mut
49 40 9 86.8 _bin/cxx-opt+bumproot/osh mut
61 47 13 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 49 34 73.5 osh-native mut+alloc
93 51 42 75.5 osh-native mut+alloc+free
149 123 26 51.7 osh-native mut+alloc+free+gc
153 129 24 52.5 osh-native mut+alloc+free+gc+exit
95 69 26 74.2 osh-nosouffle mut+alloc
103 70 33 76.0 osh-nosouffle mut+alloc+free
158 127 31 52.3 osh-nosouffle mut+alloc+free+gc
170 143 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 83 43 98.1 _bin/cxx-opt+nopool/osh mut+alloc
232 194 38 73.0 _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 1.7 dash -
4 3 1 3.3 bash -
7 4 3 3.4 zsh -
7 4 3 12.2 bumpleak/osh mut
6 3 4 12.6 _bin/cxx-opt+bumproot/osh mut
7 5 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
9 7 2 10.7 osh-native mut+alloc+free
10 6 4 8.8 osh-native mut+alloc+free+gc
10 8 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
11 8 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 5 7 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 4 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 1.6 dash -
31 31 0 3.3 bash -
21 17 4 3.4 zsh -
18 13 5 32.4 bumpleak/osh mut
19 15 4 33.4 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 27.0 osh-native mut+alloc
31 19 13 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 15 5 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.4 osh-nosouffle mut+alloc
37 23 14 27.8 osh-nosouffle mut+alloc+free
26 22 4 8.8 osh-nosouffle mut+alloc+free+gc
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 27 20 36.9 _bin/cxx-opt+nopool/osh mut+alloc
31 25 6 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
106 103 3 3.4 bash -
218 151 67 57.5 bumpleak/osh mut
228 179 48 57.2 _bin/cxx-opt+bumproot/osh mut
245 185 60 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 199 64 48.9 osh-native mut+alloc
272 195 77 50.7 osh-native mut+alloc+free
228 188 40 9.2 osh-native mut+alloc+free+gc
230 188 42 9.0 osh-native mut+alloc+free+gc+exit
271 200 71 49.1 osh-nosouffle mut+alloc
280 207 72 51.3 osh-nosouffle mut+alloc+free
237 193 44 9.6 osh-nosouffle mut+alloc+free+gc
241 188 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
286 223 64 65.8 _bin/cxx-opt+nopool/osh mut+alloc
260 206 54 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
10 5 5 3.9 dash -
16 8 9 4.7 bash -
16 8 8 3.9 zsh -
18 7 11 12.3 bumpleak/osh mut
21 9 13 13.5 _bin/cxx-opt+bumproot/osh mut
20 8 12 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.4 osh-native mut+alloc
22 12 11 11.7 osh-native mut+alloc+free
22 13 10 9.4 osh-native mut+alloc+free+gc
24 15 10 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
25 13 13 12.2 osh-nosouffle mut+alloc+free
23 9 14 10.0 osh-nosouffle mut+alloc+free+gc
25 15 10 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 12.9 _bin/cxx-opt+nopool/osh mut+alloc
25 13 13 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc