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 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 142 25 68 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 153 25 68 45.9 52.3 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 226 0 5 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,207 277 3 83,988 1 41,994 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.7 dash -
13 13 0 3.3 bash -
89 56 39 3.4 zsh -
15 11 4 29.9 bumpleak/osh mut
16 12 4 29.8 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
28 19 9 26.0 osh-native mut+alloc+free
32 25 7 18.1 osh-native mut+alloc+free+gc
34 24 10 18.2 osh-native mut+alloc+free+gc+exit
28 22 6 26.0 osh-nosouffle mut+alloc
31 23 8 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 23 17 33.3 _bin/cxx-opt+nopool/osh mut+alloc
47 34 13 22.4 _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 22 1 1.6 dash -
42 41 1 3.5 bash -
326 181 168 3.7 zsh -
44 35 9 84.6 bumpleak/osh mut
48 42 6 85.5 _bin/cxx-opt+bumproot/osh mut
61 48 13 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 44 39 73.7 osh-native mut+alloc
91 61 30 75.5 osh-native mut+alloc+free
142 129 13 51.7 osh-native mut+alloc+free+gc
147 125 22 52.5 osh-native mut+alloc+free+gc+exit
92 60 32 74.2 osh-nosouffle mut+alloc
99 66 33 75.9 osh-nosouffle mut+alloc+free
153 127 26 52.3 osh-nosouffle mut+alloc+free+gc
155 128 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 92 35 98.4 _bin/cxx-opt+nopool/osh mut+alloc
195 166 29 72.2 _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 3 1 3.3 bash -
6 5 1 3.4 zsh -
6 4 2 11.8 bumpleak/osh mut
6 4 2 11.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 3.1 bash -
21 16 5 3.4 zsh -
16 11 5 31.8 bumpleak/osh mut
19 15 4 33.1 _bin/cxx-opt+bumproot/osh mut
21 11 11 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
30 19 11 27.2 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
34 27 7 27.1 osh-nosouffle mut+alloc
35 25 10 27.7 osh-nosouffle mut+alloc+free
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
104 101 3 3.5 bash -
212 168 43 57.2 bumpleak/osh mut
221 173 48 57.7 _bin/cxx-opt+bumproot/osh mut
238 182 55 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 191 66 48.8 osh-native mut+alloc
269 196 73 50.7 osh-native mut+alloc+free
226 187 39 9.2 osh-native mut+alloc+free+gc
221 173 48 9.2 osh-native mut+alloc+free+gc+exit
263 197 65 49.2 osh-nosouffle mut+alloc
272 203 70 51.3 osh-nosouffle mut+alloc+free
229 187 42 9.6 osh-nosouffle mut+alloc+free+gc
231 185 46 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 193 85 65.3 _bin/cxx-opt+nopool/osh mut+alloc
253 208 45 10.7 _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 8 9 4.8 bash -
16 8 8 3.9 zsh -
18 6 12 14.2 bumpleak/osh mut
18 6 13 14.2 _bin/cxx-opt+bumproot/osh mut
20 6 15 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.4 osh-native mut+alloc
20 8 13 11.7 osh-native mut+alloc+free
21 9 12 9.6 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 14 9 12.1 osh-nosouffle mut+alloc+free
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 8 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 8 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc