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 34 3 9 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 32 3 9 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 144 22 58 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 136 22 58 45.9 51.0 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,935 180 2 75,016 1 37,508 osh-native
parse.abuild 9 1 2 2.4 8.0 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 28 0 1 2.1 7.9 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 21 0 1 2.1 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 183 0 3 10.3 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 174 0 3 10.3 8.3 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 277 3 85,234 1 42,617 osh-native
ex.abuild-print-help 21 1 2 2.8 8.8 116,311 277 3 85,110 1 42,555 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
23 23 0 3.1 bash -
111 67 51 3.5 zsh -
16 8 8 29.5 bumpleak/osh mut
19 14 5 29.3 _bin/cxx-opt+bumproot/osh mut
22 13 9 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 14 25.3 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
34 30 4 18.0 osh-native mut+alloc+free+gc
35 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 23 19 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 47 0 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 19 7 24.9 osh-native-souffle mut+alloc
28 20 8 25.2 osh-native-souffle mut+alloc+free
32 20 12 17.6 osh-native-souffle mut+alloc+free+gc
33 25 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 -
78 78 0 3.1 bash -
378 226 171 3.7 zsh -
49 34 15 83.9 bumpleak/osh mut
59 43 16 85.8 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
95 55 40 73.7 osh-native mut+alloc
106 77 28 75.4 osh-native mut+alloc+free
144 119 25 49.8 osh-native mut+alloc+free+gc
147 123 24 50.3 osh-native mut+alloc+free+gc+exit
136 76 60 98.1 _bin/cxx-opt+nopool/osh mut+alloc
196 164 32 66.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 62 25 73.1 osh-native-souffle mut+alloc
95 48 48 74.7 osh-native-souffle mut+alloc+free
136 111 25 51.0 osh-native-souffle mut+alloc+free+gc
139 127 12 51.7 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 3 3 3.0 bash -
8 8 0 3.3 zsh -
5 0 5 12.0 bumpleak/osh mut
6 6 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 3 6 10.4 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 7 0 9.4 osh-native-souffle mut+alloc
8 0 8 9.8 osh-native-souffle mut+alloc+free
9 4 4 8.0 osh-native-souffle mut+alloc+free+gc
9 3 6 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
10 10 0 1.4 dash -
29 29 0 2.9 bash -
24 24 0 3.3 zsh -
19 15 4 32.5 bumpleak/osh mut
25 21 4 33.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.5 osh-native mut+alloc
37 28 8 26.5 osh-native mut+alloc+free
28 20 8 7.9 osh-native mut+alloc+free+gc
28 27 0 8.1 osh-native mut+alloc+free+gc+exit
53 34 19 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 36 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 17 13 26.0 osh-native-souffle mut+alloc
31 9 22 26.2 osh-native-souffle mut+alloc+free
21 21 0 7.6 osh-native-souffle mut+alloc+free+gc
22 19 4 7.7 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
72 68 4 3.0 bash -
169 117 51 54.6 bumpleak/osh mut
183 135 48 55.2 _bin/cxx-opt+bumproot/osh mut
195 139 56 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 124 84 47.4 osh-native mut+alloc
216 153 63 49.0 osh-native mut+alloc+free
183 119 63 8.8 osh-native mut+alloc+free+gc
181 124 56 8.7 osh-native mut+alloc+free+gc+exit
233 160 72 64.2 _bin/cxx-opt+nopool/osh mut+alloc
209 156 52 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
203 167 36 46.9 osh-native-souffle mut+alloc
210 142 67 48.7 osh-native-souffle mut+alloc+free
174 111 63 8.3 osh-native-souffle mut+alloc+free+gc
175 135 40 8.1 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 1 3.5 dash -
19 15 5 4.3 bash -
18 10 8 3.5 zsh -
18 13 5 11.6 bumpleak/osh mut
21 13 8 13.2 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 14 7 11.0 osh-native mut+alloc
22 14 8 11.3 osh-native mut+alloc+free
22 20 2 9.0 osh-native mut+alloc+free+gc
22 21 2 9.2 osh-native mut+alloc+free+gc+exit
24 13 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 10 10 10.5 osh-native-souffle mut+alloc
21 18 4 10.7 osh-native-souffle mut+alloc+free
21 17 5 8.8 osh-native-souffle mut+alloc+free+gc
21 19 3 8.7 osh-native-souffle mut+alloc+free+gc+exit