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 39 5 12 12.0 18.1 476,744 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 146 23 60 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 137 23 59 45.9 51.1 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 9 1 1 2.6 8.7 101,935 180 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 7.9 579,599 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 4 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 174 0 3 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 8.5 116,311 277 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 3 3 1.6 dash -
23 19 4 3.1 bash -
104 70 40 3.4 zsh -
16 16 0 27.8 bumpleak/osh mut
20 20 0 28.5 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
39 28 12 18.1 osh-native mut+alloc+free+gc
37 29 8 18.1 osh-native mut+alloc+free+gc+exit
44 36 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 50 0 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 11 24.8 osh-native-souffle mut+alloc
29 28 0 25.2 osh-native-souffle mut+alloc+free
33 24 8 17.4 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
22 17 4 1.4 dash -
78 74 4 3.1 bash -
383 195 209 3.5 zsh -
50 38 12 85.5 bumpleak/osh mut
60 48 12 86.3 _bin/cxx-opt+bumproot/osh mut
72 59 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.4 osh-native mut+alloc
104 75 28 75.4 osh-native mut+alloc+free
146 118 27 49.8 osh-native mut+alloc+free+gc
148 132 16 50.3 osh-native mut+alloc+free+gc+exit
137 74 63 99.5 _bin/cxx-opt+nopool/osh mut+alloc
201 173 28 67.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 55 32 73.2 osh-native-souffle mut+alloc
94 57 37 75.0 osh-native-souffle mut+alloc+free
137 125 12 51.1 osh-native-souffle mut+alloc+free+gc
140 112 28 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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.4 bumpleak/osh mut
6 6 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 0 11 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.8 osh-native-souffle mut+alloc
8 8 0 9.7 osh-native-souffle mut+alloc+free
9 9 0 7.7 osh-native-souffle mut+alloc+free+gc
9 9 0 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 1.6 dash -
29 29 0 3.0 bash -
23 23 0 3.3 zsh -
18 15 4 31.0 bumpleak/osh mut
26 26 0 32.7 _bin/cxx-opt+bumproot/osh mut
28 18 9 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 37 0 26.3 osh-native mut+alloc
38 19 19 26.7 osh-native mut+alloc+free
28 23 5 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 45 8 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 19 11 26.0 osh-native-souffle mut+alloc
31 31 0 26.1 osh-native-souffle mut+alloc+free
22 22 0 7.6 osh-native-souffle mut+alloc+free+gc
22 15 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 3.1 bash -
169 117 52 54.1 bumpleak/osh mut
181 118 63 55.6 _bin/cxx-opt+bumproot/osh mut
197 137 59 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 118 91 47.4 osh-native mut+alloc
215 119 96 49.1 osh-native mut+alloc+free
183 138 45 8.7 osh-native mut+alloc+free+gc
181 142 39 8.8 osh-native mut+alloc+free+gc+exit
232 152 80 63.7 _bin/cxx-opt+nopool/osh mut+alloc
208 144 64 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
203 127 76 47.0 osh-native-souffle mut+alloc
210 121 89 48.6 osh-native-souffle mut+alloc+free
174 119 55 8.1 osh-native-souffle mut+alloc+free+gc
177 98 79 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 3.5 dash -
20 17 4 4.5 bash -
18 5 13 3.4 zsh -
18 16 3 11.7 bumpleak/osh mut
19 12 8 13.8 _bin/cxx-opt+bumproot/osh mut
20 14 7 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 11.0 osh-native mut+alloc
23 20 3 11.1 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
23 16 8 8.9 osh-native mut+alloc+free+gc+exit
25 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 4 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 15 6 10.6 osh-native-souffle mut+alloc
22 19 4 10.7 osh-native-souffle mut+alloc+free
22 20 1 8.5 osh-native-souffle mut+alloc+free+gc
22 22 1 8.7 osh-native-souffle mut+alloc+free+gc+exit