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 3 9 12.1 18.6 477,960 1,282 6 406,268 5 203,134 osh-native
parse.configure-cpython 33 4 10 12.1 18.1 477,960 1,282 6 406,258 5 203,129 osh-souffle
parse.configure-coreutils 158 28 74 44.4 50.2 1,656,039 4,764 12 1,021,758 6 761,509 osh-native
parse.configure-coreutils 139 24 66 44.4 49.7 1,656,038 4,764 12 1,021,748 6 761,504 osh-souffle
parse.abuild 10 1 2 2.6 9.2 102,877 180 3 86,660 1 43,330 osh-native
parse.abuild 10 1 2 2.6 8.8 102,877 180 3 86,650 1 43,325 osh-souffle
ex.compute-fib 25 0 1 2.2 8.8 579,748 22,608 12 50,000 0 2,946 osh-native
ex.compute-fib 20 0 1 2.2 8.4 579,748 22,608 12 50,000 0 2,941 osh-souffle
ex.bashcomp-parse-help 229 0 4 11.1 9.7 1,021,095 15,258 22 50,000 0 3,933 osh-native
ex.bashcomp-parse-help 223 0 4 11.1 9.0 1,021,094 15,258 22 50,000 0 3,930 osh-souffle
ex.abuild-print-help 21 1 2 3.0 10.0 117,369 277 3 84,028 1 42,014 osh-native
ex.abuild-print-help 19 1 2 3.0 9.4 117,369 277 3 84,018 1 42,009 osh-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
13 12 1 3.4 bash -
88 43 51 3.5 zsh -
15 12 4 30.4 bumpleak/osh mut
19 16 3 30.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 31.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 25.8 osh-native mut+alloc
31 26 5 26.2 osh-native mut+alloc+free
33 25 9 18.6 osh-native mut+alloc+free+gc
34 28 6 18.6 osh-native mut+alloc+free+gc+exit
26 18 8 25.4 osh-souffle mut+alloc
28 19 9 25.8 osh-souffle mut+alloc+free
33 26 7 18.1 osh-souffle mut+alloc+free+gc
32 26 6 18.1 osh-souffle mut+alloc+free+gc+exit
43 26 17 34.3 _bin/cxx-opt+nopool/osh mut+alloc
48 38 11 22.9 _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 1.7 dash -
43 42 1 3.4 bash -
320 190 151 3.7 zsh -
46 35 11 85.6 bumpleak/osh mut
57 45 12 85.4 _bin/cxx-opt+bumproot/osh mut
67 54 13 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
92 56 36 74.3 osh-native mut+alloc
100 70 30 76.0 osh-native mut+alloc+free
158 136 22 50.2 osh-native mut+alloc+free+gc
161 131 30 50.9 osh-native mut+alloc+free+gc+exit
83 47 36 73.7 osh-souffle mut+alloc
93 56 37 75.7 osh-souffle mut+alloc+free
139 115 24 49.7 osh-souffle mut+alloc+free+gc
137 109 28 50.6 osh-souffle mut+alloc+free+gc+exit
138 81 58 99.5 _bin/cxx-opt+nopool/osh mut+alloc
206 182 24 68.0 _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 4 0 3.1 bash -
6 4 2 3.5 zsh -
6 4 2 11.5 bumpleak/osh mut
7 6 1 12.2 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 2 7 10.9 osh-native mut+alloc
9 7 2 10.9 osh-native mut+alloc+free
10 7 3 9.2 osh-native mut+alloc+free+gc
10 6 4 9.0 osh-native mut+alloc+free+gc+exit
8 7 1 10.4 osh-souffle mut+alloc
8 2 6 10.5 osh-souffle mut+alloc+free
10 9 1 8.8 osh-souffle mut+alloc+free+gc
9 8 1 8.7 osh-souffle mut+alloc+free+gc+exit
12 8 4 12.4 _bin/cxx-opt+nopool/osh mut+alloc
13 8 5 9.9 _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 30 1 3.1 bash -
21 18 3 3.4 zsh -
17 15 2 33.0 bumpleak/osh mut
23 19 4 32.6 _bin/cxx-opt+bumproot/osh mut
26 21 5 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
33 23 10 27.1 osh-native mut+alloc
34 23 11 27.3 osh-native mut+alloc+free
25 23 2 8.8 osh-native mut+alloc+free+gc
25 21 4 8.7 osh-native mut+alloc+free+gc+exit
28 13 15 26.5 osh-souffle mut+alloc
29 20 9 26.9 osh-souffle mut+alloc+free
20 17 3 8.4 osh-souffle mut+alloc+free+gc
19 17 3 8.1 osh-souffle mut+alloc+free+gc+exit
51 33 18 36.4 _bin/cxx-opt+nopool/osh mut+alloc
34 30 4 10.1 _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 99 4 3.4 bash -
214 163 51 57.4 bumpleak/osh mut
228 183 45 58.4 _bin/cxx-opt+bumproot/osh mut
246 187 59 59.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
267 198 69 49.5 osh-native mut+alloc
273 203 70 51.5 osh-native mut+alloc+free
229 180 49 9.7 osh-native mut+alloc+free+gc
227 189 38 9.6 osh-native mut+alloc+free+gc+exit
257 204 53 49.0 osh-souffle mut+alloc
264 183 81 51.0 osh-souffle mut+alloc+free
223 172 51 9.0 osh-souffle mut+alloc+free+gc
223 173 50 9.0 osh-souffle mut+alloc+free+gc+exit
287 208 79 66.6 _bin/cxx-opt+nopool/osh mut+alloc
259 205 54 10.9 _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 3 6 3.9 dash -
16 9 8 4.7 bash -
16 7 9 3.9 zsh -
17 7 10 12.1 bumpleak/osh mut
19 8 11 13.5 _bin/cxx-opt+bumproot/osh mut
19 12 8 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 4 16 11.9 osh-native mut+alloc
20 10 10 11.9 osh-native mut+alloc+free
21 13 8 10.0 osh-native mut+alloc+free+gc
21 12 10 10.0 osh-native mut+alloc+free+gc+exit
19 7 12 11.5 osh-souffle mut+alloc
19 5 14 11.4 osh-souffle mut+alloc+free
19 11 9 9.4 osh-souffle mut+alloc+free+gc
19 10 10 9.4 osh-souffle mut+alloc+free+gc+exit
23 10 13 13.7 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 10.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc