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 40 6 13 12.1 18.0 476,744 1,282 6 409,298 5 204,649 osh-native
parse.configure-cpython 37 6 13 12.0 17.7 476,744 1,282 6 408,798 5 204,399 osh-native-souffle
parse.configure-coreutils 201 31 110 41.1 45.9 1,653,332 4,764 12 1,591,980 7 795,990 osh-native
parse.configure-coreutils 179 32 99 44.6 49.7 1,653,331 4,764 12 1,030,682 6 769,425 osh-native-souffle
parse.abuild 9 1 1 2.6 8.7 101,935 180 2 75,270 1 37,635 osh-native
parse.abuild 9 1 1 2.6 8.1 101,935 180 2 75,140 1 37,570 osh-native-souffle
ex.compute-fib 29 0 2 2.1 7.9 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 2 2.1 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 187 0 4 10.3 8.7 995,281 15,258 21 50,000 0 3,895 osh-native
ex.bashcomp-parse-help 178 0 5 10.3 8.5 995,280 15,258 21 50,000 0 3,840 osh-native-souffle
ex.abuild-print-help 24 1 2 2.8 9.2 116,311 277 3 85,506 1 42,753 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,311 277 3 85,382 1 42,691 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 3.1 bash -
107 60 53 3.4 zsh -
17 13 4 29.7 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.2 osh-native mut+alloc
32 28 4 25.7 osh-native mut+alloc+free
40 36 4 18.0 osh-native mut+alloc+free+gc
42 34 8 18.1 osh-native mut+alloc+free+gc+exit
44 28 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
60 43 16 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
28 12 15 24.8 osh-native-souffle mut+alloc
30 21 8 25.3 osh-native-souffle mut+alloc+free
37 28 8 17.7 osh-native-souffle mut+alloc+free+gc
39 39 0 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
22 22 0 1.4 dash -
78 73 4 3.0 bash -
383 222 182 3.5 zsh -
50 35 15 84.7 bumpleak/osh mut
60 52 8 84.3 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 36 73.4 osh-native mut+alloc
108 84 24 75.4 osh-native mut+alloc+free
201 165 35 45.9 osh-native mut+alloc+free+gc
203 190 12 46.1 osh-native mut+alloc+free+gc+exit
142 93 48 97.8 _bin/cxx-opt+nopool/osh mut+alloc
295 263 32 61.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
89 58 31 73.0 osh-native-souffle mut+alloc
99 57 41 75.1 osh-native-souffle mut+alloc+free
179 147 32 49.7 osh-native-souffle mut+alloc+free+gc
184 164 20 50.3 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 4 4 3.3 zsh -
6 3 3 10.8 bumpleak/osh mut
7 4 4 11.8 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.2 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 9 0 8.8 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 8 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 0 8 9.7 osh-native-souffle mut+alloc
9 9 0 9.8 osh-native-souffle mut+alloc+free
9 4 4 8.1 osh-native-souffle mut+alloc+free+gc
9 5 5 8.4 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 29 0 2.9 bash -
24 16 8 3.3 zsh -
20 11 8 32.1 bumpleak/osh mut
26 17 9 32.9 _bin/cxx-opt+bumproot/osh mut
29 18 11 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.0 osh-native mut+alloc
39 23 15 26.2 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 40 16 35.6 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 26 4 25.4 osh-native-souffle mut+alloc
32 28 4 25.8 osh-native-souffle mut+alloc+free
22 18 4 7.6 osh-native-souffle mut+alloc+free+gc
23 19 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 73 0 3.1 bash -
170 93 77 55.3 bumpleak/osh mut
184 112 72 54.6 _bin/cxx-opt+bumproot/osh mut
195 143 52 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
216 124 92 47.0 osh-native mut+alloc
223 139 84 48.7 osh-native mut+alloc+free
187 115 71 8.7 osh-native mut+alloc+free+gc
186 157 28 8.9 osh-native mut+alloc+free+gc+exit
237 169 68 64.5 _bin/cxx-opt+nopool/osh mut+alloc
235 179 56 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
207 143 64 46.7 osh-native-souffle mut+alloc
220 140 80 48.3 osh-native-souffle mut+alloc+free
178 117 60 8.5 osh-native-souffle mut+alloc+free+gc
177 128 48 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 7 3 3.5 dash -
20 14 7 4.5 bash -
19 14 5 3.4 zsh -
18 13 6 11.5 bumpleak/osh mut
20 7 14 12.3 _bin/cxx-opt+bumproot/osh mut
21 5 16 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 11.0 osh-native mut+alloc
24 11 13 11.0 osh-native mut+alloc+free
24 17 7 9.2 osh-native mut+alloc+free+gc
24 16 9 9.2 osh-native mut+alloc+free+gc+exit
25 24 2 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 24 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 7 14 10.6 osh-native-souffle mut+alloc
22 6 16 10.7 osh-native-souffle mut+alloc+free
22 19 3 8.7 osh-native-souffle mut+alloc+free+gc
23 15 9 8.5 osh-native-souffle mut+alloc+free+gc+exit