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 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 149 25 63 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 141 24 63 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 7.7 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 28 0 1 2.1 8.1 579,599 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 183 0 3 10.3 8.5 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 175 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 9.2 116,311 277 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 6 0 1.6 dash -
23 23 0 3.0 bash -
105 55 56 3.3 zsh -
16 12 4 29.2 bumpleak/osh mut
19 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.3 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 22.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 22 4 24.9 osh-native-souffle mut+alloc
29 25 4 25.3 osh-native-souffle mut+alloc+free
32 24 8 17.4 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 22 0 1.4 dash -
78 78 0 3.1 bash -
377 213 185 3.4 zsh -
50 46 4 84.0 bumpleak/osh mut
60 55 4 84.4 _bin/cxx-opt+bumproot/osh mut
71 51 20 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 80 16 73.5 osh-native mut+alloc
105 72 32 75.3 osh-native mut+alloc+free
149 132 16 49.7 osh-native mut+alloc+free+gc
161 134 27 50.6 osh-native mut+alloc+free+gc+exit
139 83 56 98.9 _bin/cxx-opt+nopool/osh mut+alloc
211 190 20 68.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 40 48 73.1 osh-native-souffle mut+alloc
96 75 20 75.0 osh-native-souffle mut+alloc+free
141 104 36 51.0 osh-native-souffle mut+alloc+free+gc
146 130 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 0 7 3.3 zsh -
6 3 3 11.5 bumpleak/osh mut
7 3 3 12.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
8 0 9 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
10 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.7 osh-native-souffle mut+alloc
8 0 8 9.7 osh-native-souffle mut+alloc+free
9 0 9 7.7 osh-native-souffle mut+alloc+free+gc
9 3 6 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
11 10 0 1.4 dash -
29 25 4 2.9 bash -
24 20 4 3.3 zsh -
19 15 4 32.0 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.2 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
28 28 0 8.1 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 25 29 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 25 4 26.0 osh-native-souffle mut+alloc
32 16 16 26.2 osh-native-souffle mut+alloc+free
22 21 0 7.6 osh-native-souffle mut+alloc+free+gc
22 14 7 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 72 0 3.3 bash -
174 83 91 55.4 bumpleak/osh mut
183 114 69 55.9 _bin/cxx-opt+bumproot/osh mut
195 143 52 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 123 88 47.3 osh-native mut+alloc
222 145 77 48.8 osh-native mut+alloc+free
183 119 63 8.5 osh-native mut+alloc+free+gc
183 126 57 8.8 osh-native mut+alloc+free+gc+exit
234 154 79 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 136 72 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 120 84 46.9 osh-native-souffle mut+alloc
211 139 72 48.7 osh-native-souffle mut+alloc+free
175 143 32 8.3 osh-native-souffle mut+alloc+free+gc
175 131 44 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 1 3.4 dash -
19 16 4 4.3 bash -
18 17 2 3.4 zsh -
19 13 7 12.4 bumpleak/osh mut
21 13 9 13.2 _bin/cxx-opt+bumproot/osh mut
20 16 5 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 6 16 11.0 osh-native mut+alloc
22 20 3 11.3 osh-native mut+alloc+free
22 16 7 9.2 osh-native mut+alloc+free+gc
23 21 2 9.0 osh-native mut+alloc+free+gc+exit
24 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 11 10 10.6 osh-native-souffle mut+alloc
21 12 10 10.7 osh-native-souffle mut+alloc+free
21 14 7 8.5 osh-native-souffle mut+alloc+free+gc
22 17 6 8.7 osh-native-souffle mut+alloc+free+gc+exit