Memory Management Overhead

Source code: oil/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 38 4 11 12.1 17.8 476,742 1,282 6 409,294 5 204,647 osh-native
parse.configure-cpython 36 5 12 12.0 17.6 476,742 1,282 6 408,794 5 204,397 osh-native-souffle
parse.configure-coreutils 195 29 104 41.1 45.9 1,653,330 4,764 12 1,591,976 7 795,988 osh-native
parse.configure-coreutils 167 28 88 44.6 49.7 1,653,329 4,764 12 1,030,678 6 769,423 osh-native-souffle
parse.abuild 9 1 1 2.6 8.4 101,933 180 2 75,266 1 37,633 osh-native
parse.abuild 9 1 2 2.6 8.1 101,933 180 2 75,136 1 37,568 osh-native-souffle
ex.compute-fib 28 0 1 2.1 7.9 579,597 22,608 12 50,000 0 2,910 osh-native
ex.compute-fib 23 0 2 2.1 7.6 579,597 22,608 12 50,000 0 2,848 osh-native-souffle
ex.bashcomp-parse-help 186 0 5 10.3 8.8 995,279 15,258 21 50,000 0 3,893 osh-native
ex.bashcomp-parse-help 176 0 4 10.3 8.4 995,278 15,258 21 50,000 0 3,838 osh-native-souffle
ex.abuild-print-help 23 1 2 2.8 9.0 116,309 277 3 85,502 1 42,751 osh-native
ex.abuild-print-help 22 1 2 2.8 8.5 116,309 277 3 85,378 1 42,689 osh-native-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 -
23 23 0 3.0 bash -
106 47 66 3.5 zsh -
16 16 0 28.5 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.0 osh-native mut+alloc
34 22 13 25.6 osh-native mut+alloc+free
38 26 11 17.8 osh-native mut+alloc+free+gc
39 30 9 18.2 osh-native mut+alloc+free+gc+exit
44 28 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
57 48 8 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.9 osh-native-souffle mut+alloc
36 36 0 25.3 osh-native-souffle mut+alloc+free
36 27 8 17.6 osh-native-souffle mut+alloc+free+gc
37 33 4 17.7 osh-native-souffle mut+alloc+free+gc+exit

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
22 21 0 1.6 dash -
78 74 4 3.1 bash -
391 242 172 3.5 zsh -
52 44 8 84.9 bumpleak/osh mut
61 57 4 85.7 _bin/cxx-opt+bumproot/osh mut
78 54 23 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
101 52 48 73.3 osh-native mut+alloc
108 80 28 75.3 osh-native mut+alloc+free
195 179 16 45.9 osh-native mut+alloc+free+gc
200 155 44 46.1 osh-native mut+alloc+free+gc+exit
142 105 36 99.1 _bin/cxx-opt+nopool/osh mut+alloc
287 238 48 60.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 48 40 73.2 osh-native-souffle mut+alloc
99 76 24 75.0 osh-native-souffle mut+alloc+free
167 150 16 49.7 osh-native-souffle mut+alloc+free+gc
161 128 32 50.4 osh-native-souffle mut+alloc+free+gc+exit

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.4 dash -
6 6 0 2.9 bash -
8 0 8 3.3 zsh -
6 0 6 10.8 bumpleak/osh mut
7 7 0 12.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
10 10 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.6 osh-native-souffle mut+alloc
8 4 4 9.7 osh-native-souffle mut+alloc+free
9 3 6 8.1 osh-native-souffle mut+alloc+free+gc
9 3 6 8.4 osh-native-souffle mut+alloc+free+gc+exit

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 -
29 25 4 3.0 bash -
24 24 0 3.3 zsh -
19 15 4 31.5 bumpleak/osh mut
26 17 9 32.5 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 16 20 25.8 osh-native mut+alloc
38 19 19 26.0 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 43 12 35.5 _bin/cxx-opt+nopool/osh mut+alloc
38 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 19 11 25.6 osh-native-souffle mut+alloc
33 24 8 25.6 osh-native-souffle mut+alloc+free
23 15 7 7.6 osh-native-souffle mut+alloc+free+gc
23 23 0 7.6 osh-native-souffle mut+alloc+free+gc+exit

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
73 65 8 3.1 bash -
169 114 55 55.2 bumpleak/osh mut
181 89 93 55.3 _bin/cxx-opt+bumproot/osh mut
198 127 71 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 145 69 47.0 osh-native mut+alloc
224 152 72 48.8 osh-native mut+alloc+free
186 125 61 8.8 osh-native mut+alloc+free+gc
184 124 60 8.8 osh-native mut+alloc+free+gc+exit
238 157 81 64.4 _bin/cxx-opt+nopool/osh mut+alloc
223 179 44 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
208 124 84 46.6 osh-native-souffle mut+alloc
215 127 87 48.2 osh-native-souffle mut+alloc+free
176 128 48 8.4 osh-native-souffle mut+alloc+free+gc
180 116 64 8.4 osh-native-souffle mut+alloc+free+gc+exit

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 9 2 3.4 dash -
21 15 7 4.5 bash -
18 13 6 3.5 zsh -
20 13 8 12.1 bumpleak/osh mut
23 18 4 13.5 _bin/cxx-opt+bumproot/osh mut
24 8 17 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 3 11.0 osh-native mut+alloc
24 17 7 11.1 osh-native mut+alloc+free
23 21 3 9.0 osh-native mut+alloc+free+gc
24 16 8 9.2 osh-native mut+alloc+free+gc+exit
25 17 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
28 21 7 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 12 10 10.5 osh-native-souffle mut+alloc
22 9 13 10.7 osh-native-souffle mut+alloc+free
22 14 8 8.5 osh-native-souffle mut+alloc+free+gc
23 15 9 8.7 osh-native-souffle mut+alloc+free+gc+exit