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 12.0 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 142 21 56 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 134 22 56 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 7.9 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 27 0 1 2.1 7.9 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 23 0 1 2.1 7.5 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 173 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 8.9 116,311 277 3 85,234 1 42,617 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,311 277 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
6 3 3 1.6 dash -
23 19 4 3.0 bash -
104 64 46 3.4 zsh -
16 10 6 28.1 bumpleak/osh mut
20 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
23 18 5 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.3 osh-native mut+alloc
31 11 19 25.7 osh-native mut+alloc+free
35 22 13 18.0 osh-native mut+alloc+free+gc
35 35 0 18.2 osh-native mut+alloc+free+gc+exit
43 20 23 33.0 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 22 4 24.9 osh-native-souffle mut+alloc
28 20 8 25.2 osh-native-souffle mut+alloc+free
32 28 4 17.6 osh-native-souffle mut+alloc+free+gc
33 22 11 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 -
77 73 4 3.3 bash -
374 218 177 3.5 zsh -
49 37 12 83.8 bumpleak/osh mut
59 59 0 86.3 _bin/cxx-opt+bumproot/osh mut
71 63 8 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 74 25 73.5 osh-native mut+alloc
104 72 32 75.4 osh-native mut+alloc+free
142 105 36 49.7 osh-native mut+alloc+free+gc
151 135 16 50.6 osh-native mut+alloc+free+gc+exit
137 100 36 99.0 _bin/cxx-opt+nopool/osh mut+alloc
198 162 36 66.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 66 21 73.0 osh-native-souffle mut+alloc
98 51 47 74.8 osh-native-souffle mut+alloc+free
134 114 20 51.0 osh-native-souffle mut+alloc+free+gc
141 129 12 51.5 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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 12.2 bumpleak/osh mut
7 0 7 11.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
7 0 7 9.4 osh-native-souffle mut+alloc
8 0 8 9.6 osh-native-souffle mut+alloc+free
9 0 9 7.9 osh-native-souffle mut+alloc+free+gc
9 4 4 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 1.6 dash -
29 29 0 2.9 bash -
24 20 4 3.3 zsh -
27 23 4 31.9 bumpleak/osh mut
26 17 9 32.9 _bin/cxx-opt+bumproot/osh mut
28 16 12 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
37 22 15 26.6 osh-native mut+alloc+free
27 27 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 27 27 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 26 11 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 30 0 25.8 osh-native-souffle mut+alloc
32 23 9 26.2 osh-native-souffle mut+alloc+free
23 22 0 7.5 osh-native-souffle mut+alloc+free+gc
21 21 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
72 61 11 3.1 bash -
168 116 52 55.7 bumpleak/osh mut
181 122 59 55.6 _bin/cxx-opt+bumproot/osh mut
196 143 53 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 147 63 47.4 osh-native mut+alloc
218 123 95 49.1 osh-native mut+alloc+free
181 125 56 8.8 osh-native mut+alloc+free+gc
185 136 48 8.9 osh-native mut+alloc+free+gc+exit
230 135 95 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 162 47 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
202 129 73 46.9 osh-native-souffle mut+alloc
211 119 91 48.6 osh-native-souffle mut+alloc+free
173 105 68 8.3 osh-native-souffle mut+alloc+free+gc
175 127 48 8.3 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 8 2 3.4 dash -
19 15 5 4.5 bash -
18 13 6 3.5 zsh -
20 16 4 12.8 bumpleak/osh mut
19 10 10 12.2 _bin/cxx-opt+bumproot/osh mut
20 18 2 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
23 16 7 11.1 osh-native mut+alloc+free
22 15 7 8.9 osh-native mut+alloc+free+gc
23 18 6 9.0 osh-native mut+alloc+free+gc+exit
24 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 11 9 10.6 osh-native-souffle mut+alloc
21 12 10 10.7 osh-native-souffle mut+alloc+free
21 11 10 8.5 osh-native-souffle mut+alloc+free+gc
22 11 11 8.5 osh-native-souffle mut+alloc+free+gc+exit