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 35 3 9 12.1 18.1 476,751 1,282 6 409,308 5 204,654 osh-native
parse.configure-cpython 33 4 10 12.0 17.7 476,751 1,282 6 408,808 5 204,404 osh-native-souffle
parse.configure-coreutils 160 22 74 41.1 45.8 1,653,339 4,764 12 1,591,990 7 795,995 osh-native
parse.configure-coreutils 144 25 66 44.6 49.6 1,653,338 4,764 12 1,030,692 6 769,430 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,942 180 2 75,280 1 37,640 osh-native
parse.abuild 14 1 2 2.6 8.1 101,942 180 2 75,150 1 37,575 osh-native-souffle
ex.compute-fib 28 0 2 2.4 8.0 584,207 22,608 12 50,000 0 2,917 osh-native
ex.compute-fib 22 0 2 2.4 7.6 584,207 22,608 12 50,000 0 2,856 osh-native-souffle
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,288 12,911 21 50,000 0 3,905 osh-native
ex.bashcomp-parse-help 175 0 4 10.3 8.4 995,287 12,911 21 50,000 0 3,846 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,357 270 3 85,516 1 42,758 osh-native
ex.abuild-print-help 22 1 2 2.8 8.5 116,357 270 3 85,392 1 42,696 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 3.1 bash -
105 56 55 3.4 zsh -
16 8 8 28.2 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
23 23 0 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.2 osh-native mut+alloc
32 32 0 25.6 osh-native mut+alloc+free
35 27 8 18.1 osh-native mut+alloc+free+gc
36 28 8 18.2 osh-native mut+alloc+free+gc+exit
44 32 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.8 osh-native-souffle mut+alloc
29 18 11 25.2 osh-native-souffle mut+alloc+free
33 22 11 17.7 osh-native-souffle mut+alloc+free+gc
34 30 4 17.6 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
21 21 0 1.4 dash -
78 78 0 3.1 bash -
377 231 168 3.7 zsh -
49 28 20 85.8 bumpleak/osh mut
60 40 20 84.4 _bin/cxx-opt+bumproot/osh mut
71 55 16 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 67 31 73.4 osh-native mut+alloc
106 63 43 75.3 osh-native mut+alloc+free
160 136 24 45.8 osh-native mut+alloc+free+gc
164 148 16 45.9 osh-native mut+alloc+free+gc+exit
139 80 60 97.7 _bin/cxx-opt+nopool/osh mut+alloc
231 202 28 60.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 54 34 73.2 osh-native-souffle mut+alloc
95 51 44 75.0 osh-native-souffle mut+alloc+free
144 128 16 49.6 osh-native-souffle mut+alloc+free+gc
148 120 28 50.3 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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 0 7 3.1 zsh -
6 6 0 11.1 bumpleak/osh mut
7 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 4 4 10.2 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.8 osh-native-souffle mut+alloc
9 9 0 9.8 osh-native-souffle mut+alloc+free
14 9 5 8.1 osh-native-souffle mut+alloc+free+gc
9 4 4 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 1.4 dash -
29 25 4 3.0 bash -
24 20 4 3.3 zsh -
19 19 0 32.8 bumpleak/osh mut
26 21 4 32.9 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.5 osh-native mut+alloc
38 38 0 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 21 8 26.0 osh-native-souffle mut+alloc
32 23 8 26.3 osh-native-souffle mut+alloc+free
22 22 0 7.6 osh-native-souffle mut+alloc+free+gc
22 21 0 7.5 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 69 4 3.0 bash -
179 131 48 54.3 bumpleak/osh mut
193 133 60 55.3 _bin/cxx-opt+bumproot/osh mut
193 133 60 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 132 80 47.0 osh-native mut+alloc
218 154 65 48.7 osh-native mut+alloc+free
181 129 52 8.8 osh-native mut+alloc+free+gc
183 138 45 8.5 osh-native mut+alloc+free+gc+exit
235 162 73 62.9 _bin/cxx-opt+nopool/osh mut+alloc
210 178 32 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
205 137 68 46.6 osh-native-souffle mut+alloc
211 131 79 48.3 osh-native-souffle mut+alloc+free
175 119 56 8.4 osh-native-souffle mut+alloc+free+gc
175 107 67 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 4 6 3.5 dash -
20 14 6 4.5 bash -
18 12 7 3.5 zsh -
19 9 11 12.7 bumpleak/osh mut
20 6 15 13.0 _bin/cxx-opt+bumproot/osh mut
22 10 12 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 11.0 osh-native mut+alloc
22 13 9 11.0 osh-native mut+alloc+free
22 11 12 9.0 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
24 15 10 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 6 14 10.7 osh-native-souffle mut+alloc
21 9 12 10.7 osh-native-souffle mut+alloc+free
22 16 6 8.5 osh-native-souffle mut+alloc+free+gc
23 19 4 8.8 osh-native-souffle mut+alloc+free+gc+exit