Memory Management Overhead

Source code: oils/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 33 4 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 26 67 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 25 62 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,258 277 3 84,016 1 42,008 osh-nosouffle

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 -
13 12 1 3.4 bash -
89 47 49 3.5 zsh -
16 10 6 30.7 bumpleak/osh mut
16 12 4 29.0 _bin/cxx-opt+bumproot/osh mut
20 17 3 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 19 9 25.7 osh-native mut+alloc+free
33 28 5 18.2 osh-native mut+alloc+free+gc
34 27 7 18.2 osh-native mut+alloc+free+gc+exit
30 17 14 25.8 osh-nosouffle mut+alloc
31 20 11 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.6 osh-nosouffle mut+alloc+free+gc
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 15 32.3 _bin/cxx-opt+nopool/osh mut+alloc
47 38 9 22.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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
23 23 0 1.7 dash -
42 40 2 3.5 bash -
327 177 173 3.8 zsh -
45 33 12 85.5 bumpleak/osh mut
49 39 9 85.8 _bin/cxx-opt+bumproot/osh mut
59 47 12 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 42 42 73.7 osh-native mut+alloc
92 67 25 75.6 osh-native mut+alloc+free
142 118 24 51.7 osh-native mut+alloc+free+gc
144 122 22 52.3 osh-native mut+alloc+free+gc+exit
93 58 35 74.0 osh-nosouffle mut+alloc
101 67 34 75.9 osh-nosouffle mut+alloc+free
146 117 29 52.1 osh-nosouffle mut+alloc+free+gc
156 135 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 81 44 98.8 _bin/cxx-opt+nopool/osh mut+alloc
199 168 31 72.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.7 dash -
4 4 0 3.1 bash -
6 4 3 3.4 zsh -
6 4 2 11.5 bumpleak/osh mut
6 3 4 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 2 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 3 5 10.7 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
10 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 11.1 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 8 1 1.6 dash -
31 30 1 3.3 bash -
21 12 10 3.4 zsh -
17 12 5 33.5 bumpleak/osh mut
19 16 3 32.9 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.9 osh-native mut+alloc
30 21 10 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 19 14 27.3 osh-nosouffle mut+alloc
35 24 11 27.7 osh-nosouffle mut+alloc+free
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 26 20 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
103 100 3 3.4 bash -
214 155 59 56.5 bumpleak/osh mut
221 164 57 57.4 _bin/cxx-opt+bumproot/osh mut
238 180 57 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 175 83 48.9 osh-native mut+alloc
266 193 73 50.7 osh-native mut+alloc+free
223 182 41 9.2 osh-native mut+alloc+free+gc
223 172 51 9.2 osh-native mut+alloc+free+gc+exit
261 192 69 49.3 osh-nosouffle mut+alloc
268 197 71 51.3 osh-nosouffle mut+alloc+free
228 178 50 9.7 osh-nosouffle mut+alloc+free+gc
227 178 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
283 199 84 66.1 _bin/cxx-opt+nopool/osh mut+alloc
252 205 47 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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 5 4 3.9 dash -
16 11 6 4.8 bash -
15 8 8 4.1 zsh -
18 6 12 13.1 bumpleak/osh mut
18 9 10 13.5 _bin/cxx-opt+bumproot/osh mut
20 11 9 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 9 12 9.6 osh-native mut+alloc+free+gc+exit
20 9 11 12.1 osh-nosouffle mut+alloc
21 8 14 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 16 8 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc