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 33 3 9 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 153 24 66 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 147 28 69 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 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 7.5 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.3 8.5 995,281 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 23 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 8.8 116,311 277 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 -
24 23 0 3.0 bash -
105 55 56 3.3 zsh -
17 16 0 29.0 bumpleak/osh mut
20 10 10 28.8 _bin/cxx-opt+bumproot/osh mut
23 22 0 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.2 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
38 38 0 18.0 osh-native mut+alloc+free+gc+exit
43 26 17 33.3 _bin/cxx-opt+nopool/osh mut+alloc
50 34 15 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 22 4 24.8 osh-native-souffle mut+alloc
29 12 16 25.3 osh-native-souffle mut+alloc+free
33 28 4 17.6 osh-native-souffle mut+alloc+free+gc
35 30 4 17.8 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 18 4 1.6 dash -
77 73 4 3.3 bash -
376 228 168 3.7 zsh -
49 33 16 84.0 bumpleak/osh mut
59 51 8 84.5 _bin/cxx-opt+bumproot/osh mut
70 62 8 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.4 osh-native mut+alloc
106 70 35 75.4 osh-native mut+alloc+free
153 132 20 49.8 osh-native mut+alloc+free+gc
163 131 32 50.6 osh-native mut+alloc+free+gc+exit
140 74 65 98.6 _bin/cxx-opt+nopool/osh mut+alloc
225 197 28 66.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
89 52 36 73.2 osh-native-souffle mut+alloc
95 63 32 74.8 osh-native-souffle mut+alloc+free
147 123 24 51.0 osh-native-souffle mut+alloc+free+gc
150 105 45 51.8 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 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 12.0 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 0 12 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.4 osh-native-souffle mut+alloc
8 4 4 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
10 10 0 1.4 dash -
29 24 4 3.0 bash -
24 15 8 3.4 zsh -
19 15 4 31.8 bumpleak/osh mut
25 25 0 31.6 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 33 4 26.5 osh-native mut+alloc+free
28 24 4 8.1 osh-native mut+alloc+free+gc
28 21 7 7.7 osh-native mut+alloc+free+gc+exit
54 37 16 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 15 15 25.8 osh-native-souffle mut+alloc
31 19 12 26.1 osh-native-souffle mut+alloc+free
22 18 4 7.5 osh-native-souffle mut+alloc+free+gc
22 22 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 69 4 3.1 bash -
170 118 51 54.9 bumpleak/osh mut
183 135 48 55.6 _bin/cxx-opt+bumproot/osh mut
194 103 91 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 120 92 47.3 osh-native mut+alloc
217 140 76 49.1 osh-native mut+alloc+free
182 141 40 8.5 osh-native mut+alloc+free+gc
182 123 59 8.8 osh-native mut+alloc+free+gc+exit
232 136 96 63.3 _bin/cxx-opt+nopool/osh mut+alloc
210 141 69 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
207 155 52 46.9 osh-native-souffle mut+alloc
212 120 92 48.6 osh-native-souffle mut+alloc+free
176 132 44 8.3 osh-native-souffle mut+alloc+free+gc
174 130 45 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 6 4 3.4 dash -
20 18 2 4.5 bash -
18 11 8 3.4 zsh -
18 6 12 13.3 bumpleak/osh mut
20 16 4 12.4 _bin/cxx-opt+bumproot/osh mut
22 14 8 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 11.1 osh-native mut+alloc
22 20 3 11.1 osh-native mut+alloc+free
23 15 8 8.9 osh-native mut+alloc+free+gc
23 11 12 8.9 osh-native mut+alloc+free+gc+exit
25 20 6 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 10 10 10.6 osh-native-souffle mut+alloc
22 13 10 10.7 osh-native-souffle mut+alloc+free
21 11 10 8.8 osh-native-souffle mut+alloc+free+gc
22 16 7 8.8 osh-native-souffle mut+alloc+free+gc+exit