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 10 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 33 3 9 12.0 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 150 24 64 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 146 26 67 45.9 51.0 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 9 1 2 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 29 0 2 2.1 8.0 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 2 2.1 7.5 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 182 0 4 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 175 0 4 10.3 8.1 995,280 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 22 1 2 2.8 8.4 116,311 277 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 -
24 19 4 3.1 bash -
105 60 52 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
23 15 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.2 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
37 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 32.9 _bin/cxx-opt+nopool/osh mut+alloc
49 30 19 22.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 22 4 24.8 osh-native-souffle mut+alloc
28 16 12 25.3 osh-native-souffle mut+alloc+free
33 16 16 17.4 osh-native-souffle mut+alloc+free+gc
35 30 4 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 1.6 dash -
77 73 4 3.0 bash -
378 197 202 3.5 zsh -
48 40 8 84.5 bumpleak/osh mut
59 55 4 86.0 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 36 73.5 osh-native mut+alloc
105 72 32 75.2 osh-native mut+alloc+free
150 129 20 49.8 osh-native mut+alloc+free+gc
155 139 16 50.5 osh-native mut+alloc+free+gc+exit
139 110 28 98.2 _bin/cxx-opt+nopool/osh mut+alloc
214 186 28 68.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 59 28 73.1 osh-native-souffle mut+alloc
95 59 36 75.0 osh-native-souffle mut+alloc+free
146 114 31 51.0 osh-native-souffle mut+alloc+free+gc
157 129 27 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 1.4 dash -
6 6 0 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 12.2 bumpleak/osh mut
6 3 3 11.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.7 osh-native-souffle mut+alloc
8 0 8 9.8 osh-native-souffle mut+alloc+free
9 9 0 7.9 osh-native-souffle mut+alloc+free+gc
9 5 5 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 -
29 25 4 3.0 bash -
24 12 12 3.3 zsh -
18 14 5 32.2 bumpleak/osh mut
25 21 4 33.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 21 17 26.5 osh-native mut+alloc
39 31 8 26.5 osh-native mut+alloc+free
29 29 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
56 44 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 19 12 26.0 osh-native-souffle mut+alloc
32 16 16 26.2 osh-native-souffle mut+alloc+free
22 22 0 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 69 4 3.1 bash -
169 125 44 54.9 bumpleak/osh mut
183 147 36 55.0 _bin/cxx-opt+bumproot/osh mut
198 138 61 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 129 84 47.2 osh-native mut+alloc
220 148 72 49.1 osh-native mut+alloc+free
182 143 40 8.7 osh-native mut+alloc+free+gc
182 133 48 8.8 osh-native mut+alloc+free+gc+exit
232 152 80 64.7 _bin/cxx-opt+nopool/osh mut+alloc
215 139 76 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
209 153 56 46.9 osh-native-souffle mut+alloc
220 143 76 48.6 osh-native-souffle mut+alloc+free
175 118 57 8.1 osh-native-souffle mut+alloc+free+gc
178 117 61 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 -
20 7 14 4.5 bash -
19 8 11 3.4 zsh -
20 11 9 12.5 bumpleak/osh mut
20 12 8 13.8 _bin/cxx-opt+bumproot/osh mut
22 14 8 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 16 7 11.0 osh-native mut+alloc
23 7 16 10.9 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
23 14 9 9.2 osh-native mut+alloc+free+gc+exit
26 16 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 15 6 10.6 osh-native-souffle mut+alloc
22 12 11 10.9 osh-native-souffle mut+alloc+free
22 20 2 8.4 osh-native-souffle mut+alloc+free+gc
22 15 7 8.7 osh-native-souffle mut+alloc+free+gc+exit