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 12.0 18.0 476,752 1,282 6 406,606 5 203,303 osh-native
parse.configure-cpython 35 5 11 12.0 17.6 476,752 1,282 6 406,202 5 203,101 osh-native-souffle
parse.configure-coreutils 165 28 78 44.5 49.8 1,653,340 4,764 12 1,025,528 6 764,307 osh-native
parse.configure-coreutils 155 28 77 44.5 49.4 1,653,339 4,764 12 1,025,398 6 764,242 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,943 180 2 75,032 1 37,516 osh-native
parse.abuild 10 1 2 2.4 7.9 101,943 180 3 87,094 1 43,547 osh-native-souffle
ex.compute-fib 29 0 2 2.1 8.0 579,607 22,608 12 50,000 0 2,920 osh-native
ex.compute-fib 23 0 1 2.1 7.7 579,607 22,608 12 50,000 0 2,859 osh-native-souffle
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,289 15,258 21 50,000 0 3,902 osh-native
ex.bashcomp-parse-help 174 0 4 10.3 8.3 995,288 15,258 21 50,000 0 3,845 osh-native-souffle
ex.abuild-print-help 23 1 2 2.8 9.0 116,319 277 3 85,250 1 42,625 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,319 277 3 85,126 1 42,563 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 1.4 dash -
23 23 0 2.9 bash -
107 63 50 3.4 zsh -
17 17 0 29.7 bumpleak/osh mut
19 19 0 29.4 _bin/cxx-opt+bumproot/osh mut
22 19 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.3 osh-native mut+alloc
33 29 4 25.8 osh-native mut+alloc+free
38 29 8 18.0 osh-native mut+alloc+free+gc
37 30 7 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 31.8 _bin/cxx-opt+nopool/osh mut+alloc
55 31 23 22.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.8 osh-native-souffle mut+alloc
29 25 4 25.2 osh-native-souffle mut+alloc+free
35 27 8 17.6 osh-native-souffle mut+alloc+free+gc
35 27 8 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
22 22 0 1.6 dash -
79 75 4 3.1 bash -
383 223 182 3.5 zsh -
50 46 4 84.7 bumpleak/osh mut
61 53 8 85.1 _bin/cxx-opt+bumproot/osh mut
71 47 24 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 54 42 73.4 osh-native mut+alloc
106 86 19 75.4 osh-native mut+alloc+free
165 141 23 49.8 osh-native mut+alloc+free+gc
175 139 36 50.2 osh-native mut+alloc+free+gc+exit
140 92 48 98.5 _bin/cxx-opt+nopool/osh mut+alloc
239 219 20 67.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 60 28 73.2 osh-native-souffle mut+alloc
98 61 37 75.0 osh-native-souffle mut+alloc+free
155 131 24 49.4 osh-native-souffle mut+alloc+free+gc
158 134 24 50.1 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 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
7 3 3 11.4 bumpleak/osh mut
7 4 4 11.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
11 4 7 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 9 3 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.6 osh-native-souffle mut+alloc
9 8 0 9.6 osh-native-souffle mut+alloc+free
10 10 0 7.9 osh-native-souffle mut+alloc+free+gc
9 0 9 7.9 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
11 7 4 1.4 dash -
29 29 0 3.0 bash -
24 16 8 3.4 zsh -
19 11 8 31.6 bumpleak/osh mut
26 22 4 31.2 _bin/cxx-opt+bumproot/osh mut
29 24 4 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.3 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
29 24 4 8.0 osh-native mut+alloc+free+gc
28 21 7 8.1 osh-native mut+alloc+free+gc+exit
55 35 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 23 8 25.8 osh-native-souffle mut+alloc
33 28 4 26.2 osh-native-souffle mut+alloc+free
23 18 4 7.7 osh-native-souffle mut+alloc+free+gc
22 22 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
74 62 12 3.0 bash -
170 117 52 55.1 bumpleak/osh mut
183 127 56 56.4 _bin/cxx-opt+bumproot/osh mut
199 137 61 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 132 80 47.3 osh-native mut+alloc
219 121 97 49.0 osh-native mut+alloc+free
181 106 75 8.8 osh-native mut+alloc+free+gc
182 119 63 8.9 osh-native mut+alloc+free+gc+exit
235 151 84 63.6 _bin/cxx-opt+nopool/osh mut+alloc
228 180 48 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 136 68 46.9 osh-native-souffle mut+alloc
216 171 44 48.7 osh-native-souffle mut+alloc+free
174 122 51 8.3 osh-native-souffle mut+alloc+free+gc
174 119 55 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 5 6 3.4 dash -
20 14 7 4.3 bash -
18 9 10 3.4 zsh -
20 11 9 12.4 bumpleak/osh mut
20 12 8 12.3 _bin/cxx-opt+bumproot/osh mut
22 12 11 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 11 11.0 osh-native mut+alloc
23 16 8 11.1 osh-native mut+alloc+free
23 18 5 9.0 osh-native mut+alloc+free+gc
24 10 14 8.9 osh-native mut+alloc+free+gc+exit
25 20 5 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 21 6 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 11 10 10.6 osh-native-souffle mut+alloc
22 14 9 10.6 osh-native-souffle mut+alloc+free
22 13 9 8.8 osh-native-souffle mut+alloc+free+gc
22 14 9 8.7 osh-native-souffle mut+alloc+free+gc+exit