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 31 3 9 12.0 18.2 471,252 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 141 27 68 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 148 24 65 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 8.9 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 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 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,207 277 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 1.6 dash -
13 12 1 3.3 bash -
88 54 41 3.5 zsh -
16 10 5 28.9 bumpleak/osh mut
16 14 2 29.4 _bin/cxx-opt+bumproot/osh mut
20 12 8 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 9 25.4 osh-native mut+alloc
27 18 9 26.0 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
32 23 9 18.3 osh-native mut+alloc+free+gc+exit
28 18 10 26.1 osh-nosouffle mut+alloc
30 22 8 26.3 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 22 1 1.7 dash -
42 39 3 3.4 bash -
326 187 163 3.7 zsh -
45 38 7 85.2 bumpleak/osh mut
48 39 9 85.8 _bin/cxx-opt+bumproot/osh mut
58 45 13 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 47 37 73.5 osh-native mut+alloc
90 58 32 75.5 osh-native mut+alloc+free
141 123 18 51.7 osh-native mut+alloc+free+gc
169 144 25 52.2 osh-native mut+alloc+free+gc+exit
92 61 32 74.2 osh-nosouffle mut+alloc
100 58 42 76.0 osh-nosouffle mut+alloc+free
148 122 26 52.1 osh-nosouffle mut+alloc+free+gc
149 127 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 86 36 99.2 _bin/cxx-opt+nopool/osh mut+alloc
197 166 30 73.7 _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 1.7 dash -
4 2 1 3.3 bash -
6 4 2 3.4 zsh -
6 4 3 11.5 bumpleak/osh mut
6 4 2 11.9 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 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
9 9 1 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.3 zsh -
17 13 4 32.9 bumpleak/osh mut
18 13 5 33.5 _bin/cxx-opt+bumproot/osh mut
21 15 6 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.7 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 26 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 96 8 3.4 bash -
212 169 43 56.1 bumpleak/osh mut
223 172 51 56.6 _bin/cxx-opt+bumproot/osh mut
237 177 60 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 186 68 48.8 osh-native mut+alloc
265 183 82 50.7 osh-native mut+alloc+free
221 179 42 8.9 osh-native mut+alloc+free+gc
223 173 50 9.0 osh-native mut+alloc+free+gc+exit
261 183 78 49.3 osh-nosouffle mut+alloc
268 198 70 51.4 osh-nosouffle mut+alloc+free
226 175 51 9.6 osh-nosouffle mut+alloc+free+gc
226 174 52 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 195 81 65.2 _bin/cxx-opt+nopool/osh mut+alloc
253 213 39 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 3 6 3.8 dash -
16 8 8 4.7 bash -
15 5 10 3.9 zsh -
17 9 9 13.9 bumpleak/osh mut
19 8 11 13.6 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.5 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 12 9 9.4 osh-native mut+alloc+free+gc
21 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 11.9 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
21 12 9 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 10 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc