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 34 4 11 12.0 17.7 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 159 26 73 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 148 27 70 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 8.4 101,935 180 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 27 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 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 176 0 4 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 8.5 116,311 277 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
7 6 0 1.6 dash -
24 19 4 3.0 bash -
104 62 49 3.5 zsh -
17 13 4 28.4 bumpleak/osh mut
20 12 8 30.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.3 osh-native mut+alloc
33 16 16 25.7 osh-native mut+alloc+free
36 36 0 18.1 osh-native mut+alloc+free+gc
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 33.4 _bin/cxx-opt+nopool/osh mut+alloc
51 35 15 22.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 11 24.9 osh-native-souffle mut+alloc
29 21 7 25.3 osh-native-souffle mut+alloc+free
34 26 8 17.7 osh-native-souffle mut+alloc+free+gc
34 19 15 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
22 22 0 1.6 dash -
78 74 4 3.3 bash -
379 230 172 3.4 zsh -
48 36 12 85.7 bumpleak/osh mut
60 44 16 85.5 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 58 39 73.6 osh-native mut+alloc
105 62 43 75.5 osh-native mut+alloc+free
159 131 28 49.7 osh-native mut+alloc+free+gc
166 126 39 50.5 osh-native mut+alloc+free+gc+exit
141 81 61 98.6 _bin/cxx-opt+nopool/osh mut+alloc
224 203 20 68.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 48 40 73.0 osh-native-souffle mut+alloc
99 71 28 75.0 osh-native-souffle mut+alloc+free
148 124 24 51.0 osh-native-souffle mut+alloc+free+gc
156 132 24 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 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 3 3 12.4 bumpleak/osh mut
7 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 0 9 8.4 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
13 3 10 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.4 osh-native-souffle mut+alloc
8 4 4 9.7 osh-native-souffle mut+alloc+free
9 6 3 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 28 0 3.0 bash -
24 16 8 3.4 zsh -
18 11 7 31.2 bumpleak/osh mut
26 17 9 32.4 _bin/cxx-opt+bumproot/osh mut
27 19 8 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
37 37 0 26.6 osh-native mut+alloc+free
27 23 4 8.0 osh-native mut+alloc+free+gc
28 20 8 8.0 osh-native mut+alloc+free+gc+exit
54 47 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 17 13 26.1 osh-native-souffle mut+alloc
31 19 11 26.0 osh-native-souffle mut+alloc+free
22 22 0 7.5 osh-native-souffle mut+alloc+free+gc
22 11 11 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
74 73 0 3.1 bash -
167 114 53 54.1 bumpleak/osh mut
182 119 63 54.9 _bin/cxx-opt+bumproot/osh mut
195 143 52 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 127 84 47.4 osh-native mut+alloc
221 140 80 49.0 osh-native mut+alloc+free
182 131 51 8.8 osh-native mut+alloc+free+gc
182 146 36 8.9 osh-native mut+alloc+free+gc+exit
234 167 67 63.6 _bin/cxx-opt+nopool/osh mut+alloc
212 160 52 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
203 124 80 46.8 osh-native-souffle mut+alloc
210 142 67 48.7 osh-native-souffle mut+alloc+free
176 92 84 8.3 osh-native-souffle mut+alloc+free+gc
174 118 55 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
9 8 1 3.5 dash -
20 16 4 4.3 bash -
18 13 5 3.4 zsh -
18 16 2 11.9 bumpleak/osh mut
20 19 1 12.8 _bin/cxx-opt+bumproot/osh mut
22 22 0 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 10.9 osh-native mut+alloc
22 17 5 11.1 osh-native mut+alloc+free
22 12 10 8.9 osh-native mut+alloc+free+gc
23 21 2 9.2 osh-native mut+alloc+free+gc+exit
25 23 2 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 16 5 10.6 osh-native-souffle mut+alloc
22 10 12 10.7 osh-native-souffle mut+alloc+free
21 17 5 8.5 osh-native-souffle mut+alloc+free+gc
21 12 10 8.7 osh-native-souffle mut+alloc+free+gc+exit