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 32 4 10 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 135 24 63 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 25 64 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,804 180 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 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.4 990,273 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
7 6 1 1.6 dash -
13 12 1 3.3 bash -
92 49 49 3.5 zsh -
15 11 5 28.6 bumpleak/osh mut
16 12 4 30.6 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
32 24 8 18.4 osh-native mut+alloc+free+gc
33 27 6 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 25.8 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
34 27 6 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.2 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 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 3.4 bash -
326 183 166 3.7 zsh -
45 35 10 86.4 bumpleak/osh mut
48 39 9 84.8 _bin/cxx-opt+bumproot/osh mut
59 40 19 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 51 32 73.7 osh-native mut+alloc
90 55 35 75.5 osh-native mut+alloc+free
135 111 24 51.7 osh-native mut+alloc+free+gc
144 121 23 52.3 osh-native mut+alloc+free+gc+exit
91 56 35 74.1 osh-nosouffle mut+alloc
99 63 36 76.2 osh-nosouffle mut+alloc+free
146 118 28 52.3 osh-nosouffle mut+alloc+free+gc
147 124 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 73 55 98.0 _bin/cxx-opt+nopool/osh mut+alloc
201 166 34 72.8 _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 1 1 1.6 dash -
4 2 2 3.1 bash -
7 3 4 3.4 zsh -
6 3 3 11.2 bumpleak/osh mut
6 5 1 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 5 4 8.5 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
8 6 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 8 3 9.5 _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
10 10 0 1.4 dash -
31 31 0 3.1 bash -
21 14 7 3.4 zsh -
16 11 5 33.8 bumpleak/osh mut
18 14 4 33.3 _bin/cxx-opt+bumproot/osh mut
21 14 7 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.7 osh-native mut+alloc
30 21 9 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
33 22 11 27.4 osh-nosouffle mut+alloc
35 22 13 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 9.7 _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
102 97 5 3.3 bash -
214 159 55 57.0 bumpleak/osh mut
222 167 55 56.3 _bin/cxx-opt+bumproot/osh mut
240 176 64 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 189 67 48.8 osh-native mut+alloc
262 187 75 50.7 osh-native mut+alloc+free
221 161 60 9.2 osh-native mut+alloc+free+gc
223 171 52 9.0 osh-native mut+alloc+free+gc+exit
262 178 84 49.3 osh-nosouffle mut+alloc
265 203 62 51.4 osh-nosouffle mut+alloc+free
226 174 53 9.4 osh-nosouffle mut+alloc+free+gc
228 174 54 9.8 osh-nosouffle mut+alloc+free+gc+exit
280 204 76 65.1 _bin/cxx-opt+nopool/osh mut+alloc
251 195 56 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 2 7 3.8 dash -
16 5 11 5.0 bash -
16 6 10 3.9 zsh -
17 8 10 13.8 bumpleak/osh mut
19 8 11 13.8 _bin/cxx-opt+bumproot/osh mut
18 6 13 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 12 11.7 osh-native mut+alloc
20 9 12 11.8 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 7 14 12.1 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 14 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc