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 36 4 10 12.0 18.1 476,744 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 152 25 65 44.5 49.9 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 144 24 66 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 2 2.1 8.0 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 1 2.1 7.5 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 183 0 4 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 176 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 8.7 116,311 277 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 6 0 1.6 dash -
23 23 0 3.1 bash -
105 60 51 3.3 zsh -
16 12 4 29.2 bumpleak/osh mut
20 12 8 30.3 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.3 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 32 4 18.1 osh-native mut+alloc+free+gc
37 33 4 18.2 osh-native mut+alloc+free+gc+exit
43 31 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 13 13 24.9 osh-native-souffle mut+alloc
28 24 4 25.3 osh-native-souffle mut+alloc+free
32 24 8 17.6 osh-native-souffle mut+alloc+free+gc
34 26 7 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 1.4 dash -
77 77 0 3.3 bash -
373 225 172 3.4 zsh -
49 45 4 85.9 bumpleak/osh mut
61 36 24 85.3 _bin/cxx-opt+bumproot/osh mut
75 55 20 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 66 31 73.7 osh-native mut+alloc
106 61 45 75.5 osh-native mut+alloc+free
152 131 20 49.9 osh-native mut+alloc+free+gc
155 139 16 50.3 osh-native mut+alloc+free+gc+exit
139 97 41 98.3 _bin/cxx-opt+nopool/osh mut+alloc
210 166 43 67.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 55 32 73.0 osh-native-souffle mut+alloc
95 75 20 74.8 osh-native-souffle mut+alloc+free
144 111 32 51.0 osh-native-souffle mut+alloc+free+gc
142 126 16 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 2.9 bash -
8 4 4 3.3 zsh -
5 5 0 11.7 bumpleak/osh mut
7 3 3 11.6 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 0 11 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.6 osh-native-souffle mut+alloc
8 0 8 9.7 osh-native-souffle mut+alloc+free
9 9 0 8.0 osh-native-souffle mut+alloc+free+gc
9 4 4 8.0 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 -
28 28 0 3.0 bash -
24 16 8 3.4 zsh -
18 14 5 31.0 bumpleak/osh mut
26 21 4 32.0 _bin/cxx-opt+bumproot/osh mut
33 29 4 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.0 osh-native mut+alloc
37 24 12 26.2 osh-native mut+alloc+free
28 27 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 42 12 35.6 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
29 18 11 25.7 osh-native-souffle mut+alloc
30 11 19 25.6 osh-native-souffle mut+alloc+free
22 14 7 7.5 osh-native-souffle mut+alloc+free+gc
22 18 4 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 73 0 3.3 bash -
169 133 36 55.1 bumpleak/osh mut
182 127 55 55.5 _bin/cxx-opt+bumproot/osh mut
194 125 69 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 47.1 osh-native mut+alloc
220 152 68 48.8 osh-native mut+alloc+free
183 123 59 8.7 osh-native mut+alloc+free+gc
183 115 68 8.7 osh-native mut+alloc+free+gc+exit
232 132 100 63.7 _bin/cxx-opt+nopool/osh mut+alloc
212 152 60 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
205 103 103 46.6 osh-native-souffle mut+alloc
212 144 68 48.4 osh-native-souffle mut+alloc+free
176 120 56 8.3 osh-native-souffle mut+alloc+free+gc
177 116 60 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 9 2 3.5 dash -
20 8 12 4.3 bash -
18 16 2 3.4 zsh -
18 15 3 13.0 bumpleak/osh mut
19 12 7 13.5 _bin/cxx-opt+bumproot/osh mut
20 7 14 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 11.0 osh-native mut+alloc
22 15 8 11.0 osh-native mut+alloc+free
22 14 8 8.9 osh-native mut+alloc+free+gc
23 21 2 9.0 osh-native mut+alloc+free+gc+exit
24 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 11 14 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 9 12 10.5 osh-native-souffle mut+alloc
21 6 16 10.7 osh-native-souffle mut+alloc+free
21 13 8 8.7 osh-native-souffle mut+alloc+free+gc
21 15 7 8.5 osh-native-souffle mut+alloc+free+gc+exit