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 18.2 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 37 5 12 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 146 27 73 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 166 29 81 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 11 1 2 2.6 9.0 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 224 0 4 11.6 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 232 0 5 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,218 277 3 83,998 1 41,999 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.7 dash -
13 11 2 3.4 bash -
90 56 41 3.5 zsh -
15 11 4 29.5 bumpleak/osh mut
17 16 1 29.2 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 11 25.3 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
32 23 9 18.2 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
28 15 14 26.0 osh-nosouffle mut+alloc
31 17 13 26.2 osh-nosouffle mut+alloc+free
37 31 6 18.7 osh-nosouffle mut+alloc+free+gc
38 27 11 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 32.2 _bin/cxx-opt+nopool/osh mut+alloc
53 45 8 22.5 _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 21 2 1.7 dash -
43 40 3 3.5 bash -
326 182 168 3.7 zsh -
45 38 8 86.1 bumpleak/osh mut
49 43 6 84.6 _bin/cxx-opt+bumproot/osh mut
61 50 11 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 48 34 73.7 osh-native mut+alloc
91 55 35 75.6 osh-native mut+alloc+free
146 120 26 51.7 osh-native mut+alloc+free+gc
158 136 22 52.4 osh-native mut+alloc+free+gc+exit
92 58 34 74.1 osh-nosouffle mut+alloc
100 58 41 76.0 osh-nosouffle mut+alloc+free
166 139 26 52.3 osh-nosouffle mut+alloc+free+gc
174 148 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 85 40 99.4 _bin/cxx-opt+nopool/osh mut+alloc
217 187 30 73.4 _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 1.6 dash -
4 3 1 3.3 bash -
7 4 3 3.4 zsh -
6 2 4 12.1 bumpleak/osh mut
6 5 1 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.4 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 4 8.7 osh-native mut+alloc+free+gc+exit
9 7 2 10.9 osh-nosouffle mut+alloc
10 7 3 11.0 osh-nosouffle mut+alloc+free
11 7 4 9.0 osh-nosouffle mut+alloc+free+gc
11 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 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
9 9 1 1.4 dash -
31 30 1 3.1 bash -
21 17 4 3.4 zsh -
17 12 5 33.6 bumpleak/osh mut
19 14 5 33.3 _bin/cxx-opt+bumproot/osh mut
21 15 7 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 27.0 osh-native mut+alloc
30 23 7 27.1 osh-native mut+alloc+free
20 15 5 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
36 20 16 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
37 37 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 10.0 _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
105 99 6 3.5 bash -
217 167 50 56.0 bumpleak/osh mut
223 171 52 57.6 _bin/cxx-opt+bumproot/osh mut
239 184 56 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 186 73 48.8 osh-native mut+alloc
268 192 76 50.7 osh-native mut+alloc+free
224 169 55 9.2 osh-native mut+alloc+free+gc
224 171 53 9.0 osh-native mut+alloc+free+gc+exit
267 193 74 49.3 osh-nosouffle mut+alloc
272 205 67 51.3 osh-nosouffle mut+alloc+free
232 189 43 9.6 osh-nosouffle mut+alloc+free+gc
231 178 53 9.4 osh-nosouffle mut+alloc+free+gc+exit
280 200 80 64.0 _bin/cxx-opt+nopool/osh mut+alloc
260 212 48 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 4 5 3.9 dash -
16 10 7 4.8 bash -
16 7 10 3.8 zsh -
32 9 24 13.4 bumpleak/osh mut
19 10 10 12.9 _bin/cxx-opt+bumproot/osh mut
19 7 12 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.4 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
21 12 9 9.6 osh-native mut+alloc+free+gc+exit
21 15 7 12.2 osh-nosouffle mut+alloc
22 8 15 12.3 osh-nosouffle mut+alloc+free
22 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc