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 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 17.7 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 150 25 63 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 138 24 60 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 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 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 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 9.0 116,311 277 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 3 3 1.6 dash -
23 19 4 3.0 bash -
104 69 41 3.4 zsh -
16 10 7 28.3 bumpleak/osh mut
20 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
23 11 11 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.2 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
36 24 12 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.9 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 22 4 24.8 osh-native-souffle mut+alloc
29 25 4 25.3 osh-native-souffle mut+alloc+free
32 32 0 17.7 osh-native-souffle mut+alloc+free+gc
33 33 0 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 1.6 dash -
77 77 0 3.3 bash -
373 215 179 3.5 zsh -
50 42 8 84.7 bumpleak/osh mut
61 49 12 85.3 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
95 71 24 73.5 osh-native mut+alloc
104 76 28 75.2 osh-native mut+alloc+free
150 114 35 49.8 osh-native mut+alloc+free+gc
152 127 25 50.6 osh-native mut+alloc+free+gc+exit
138 117 20 99.3 _bin/cxx-opt+nopool/osh mut+alloc
205 161 44 67.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 60 28 73.1 osh-native-souffle mut+alloc
96 48 48 75.0 osh-native-souffle mut+alloc+free
138 97 40 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 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 10.3 bumpleak/osh mut
7 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.6 osh-native-souffle mut+alloc
8 8 0 9.8 osh-native-souffle mut+alloc+free
9 9 0 7.9 osh-native-souffle mut+alloc+free+gc
9 9 0 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 11 0 1.6 dash -
29 25 4 3.0 bash -
24 16 8 3.3 zsh -
18 18 0 31.8 bumpleak/osh mut
26 22 4 32.9 _bin/cxx-opt+bumproot/osh mut
29 24 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 17 21 26.6 osh-native mut+alloc+free
28 27 0 8.0 osh-native mut+alloc+free+gc
28 24 4 8.1 osh-native mut+alloc+free+gc+exit
53 41 12 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 22 9 25.8 osh-native-souffle mut+alloc
31 19 12 26.2 osh-native-souffle mut+alloc+free
22 14 7 7.6 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
73 65 8 3.0 bash -
168 112 56 54.5 bumpleak/osh mut
182 125 57 54.8 _bin/cxx-opt+bumproot/osh mut
195 115 79 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 154 57 47.3 osh-native mut+alloc
219 143 75 49.0 osh-native mut+alloc+free
182 133 48 8.7 osh-native mut+alloc+free+gc
183 135 48 8.8 osh-native mut+alloc+free+gc+exit
234 137 97 64.5 _bin/cxx-opt+nopool/osh mut+alloc
210 170 39 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
203 111 92 46.9 osh-native-souffle mut+alloc
210 141 69 48.6 osh-native-souffle mut+alloc+free
176 123 52 8.3 osh-native-souffle mut+alloc+free+gc
175 111 63 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 12 9 4.5 bash -
18 14 4 3.4 zsh -
18 17 2 13.0 bumpleak/osh mut
21 15 6 13.4 _bin/cxx-opt+bumproot/osh mut
21 11 11 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.9 osh-native mut+alloc
22 10 12 11.1 osh-native mut+alloc+free
22 14 9 9.0 osh-native mut+alloc+free+gc
23 14 9 8.9 osh-native mut+alloc+free+gc+exit
25 19 6 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 21 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 15 6 10.6 osh-native-souffle mut+alloc
22 15 7 10.6 osh-native-souffle mut+alloc+free
21 13 8 8.7 osh-native-souffle mut+alloc+free+gc
21 13 8 8.8 osh-native-souffle mut+alloc+free+gc+exit