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 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 138 26 65 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 146 24 63 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 8.7 102,780 180 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 2 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,246 277 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
7 6 1 1.7 dash -
13 13 0 3.3 bash -
90 48 49 3.5 zsh -
16 13 3 30.2 bumpleak/osh mut
16 12 4 29.4 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.6 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
31 27 4 18.2 osh-native mut+alloc+free+gc
33 29 4 18.1 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 20 9 26.3 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.6 _bin/cxx-opt+nopool/osh mut+alloc
45 34 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 22 1 1.6 dash -
42 42 0 3.4 bash -
326 189 159 3.8 zsh -
46 36 10 85.2 bumpleak/osh mut
48 39 9 85.9 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 36 73.7 osh-native mut+alloc
92 60 32 75.4 osh-native mut+alloc+free
138 118 20 51.6 osh-native mut+alloc+free+gc
138 109 29 52.4 osh-native mut+alloc+free+gc+exit
91 53 38 74.2 osh-nosouffle mut+alloc
100 62 37 76.0 osh-nosouffle mut+alloc+free
146 131 15 52.1 osh-nosouffle mut+alloc+free+gc
149 124 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 74 51 98.8 _bin/cxx-opt+nopool/osh mut+alloc
192 161 31 71.9 _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 -
7 4 3 12.3 bumpleak/osh mut
7 5 2 12.0 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 3 5 10.5 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 6 2 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 5 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _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 9 1 1.6 dash -
31 30 1 3.3 bash -
22 16 5 3.4 zsh -
17 12 5 32.3 bumpleak/osh mut
18 12 6 32.3 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 27.1 osh-native mut+alloc
31 19 12 27.4 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
33 25 8 27.4 osh-nosouffle mut+alloc
37 27 10 27.8 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
104 99 5 3.4 bash -
211 172 39 57.2 bumpleak/osh mut
219 178 41 57.8 _bin/cxx-opt+bumproot/osh mut
236 175 62 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 191 63 48.9 osh-native mut+alloc
261 191 70 50.7 osh-native mut+alloc+free
220 172 48 9.0 osh-native mut+alloc+free+gc
220 170 50 9.2 osh-native mut+alloc+free+gc+exit
261 199 62 49.3 osh-nosouffle mut+alloc
271 203 68 51.1 osh-nosouffle mut+alloc+free
228 187 41 9.4 osh-nosouffle mut+alloc+free+gc
228 176 51 9.4 osh-nosouffle mut+alloc+free+gc+exit
276 195 81 64.6 _bin/cxx-opt+nopool/osh mut+alloc
250 217 33 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 5 4 3.9 dash -
16 11 6 5.0 bash -
15 4 12 3.9 zsh -
18 8 11 12.8 bumpleak/osh mut
19 8 11 13.5 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 12 9 12.2 osh-nosouffle mut+alloc
22 6 16 12.1 osh-nosouffle mut+alloc+free
21 14 8 10.0 osh-nosouffle mut+alloc+free+gc
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 14 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc