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 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 135 23 61 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 143 23 60 45.9 52.4 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 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,247 277 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 4 3 1.7 dash -
13 12 1 3.4 bash -
89 44 52 3.4 zsh -
15 10 5 30.2 bumpleak/osh mut
16 11 5 29.2 _bin/cxx-opt+bumproot/osh mut
19 11 8 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
27 19 8 25.8 osh-native mut+alloc+free
31 24 8 18.2 osh-native mut+alloc+free+gc
32 23 9 18.1 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
34 24 10 18.6 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 35 14 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 22 1 1.7 dash -
42 42 0 3.5 bash -
320 188 154 3.8 zsh -
44 35 9 84.6 bumpleak/osh mut
48 39 9 85.6 _bin/cxx-opt+bumproot/osh mut
59 50 9 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 57 26 73.7 osh-native mut+alloc
91 55 37 75.4 osh-native mut+alloc+free
135 108 27 51.7 osh-native mut+alloc+free+gc
141 112 29 52.1 osh-native mut+alloc+free+gc+exit
91 64 27 74.2 osh-nosouffle mut+alloc
101 62 39 75.8 osh-nosouffle mut+alloc+free
143 113 30 52.4 osh-nosouffle mut+alloc+free+gc
150 122 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 82 45 97.7 _bin/cxx-opt+nopool/osh mut+alloc
197 163 34 73.3 _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 1.4 dash -
4 3 1 3.1 bash -
6 3 3 3.4 zsh -
6 3 3 11.4 bumpleak/osh mut
6 6 0 12.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.7 osh-native mut+alloc
8 4 5 10.9 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _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 0 1.4 dash -
30 30 0 3.3 bash -
21 14 7 3.4 zsh -
17 12 5 32.6 bumpleak/osh mut
18 15 3 33.5 _bin/cxx-opt+bumproot/osh mut
20 17 3 35.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 27.0 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
21 19 2 8.1 osh-native mut+alloc+free+gc+exit
33 25 9 27.5 osh-nosouffle mut+alloc
35 21 15 27.7 osh-nosouffle mut+alloc+free
25 23 1 8.7 osh-nosouffle mut+alloc+free+gc
24 21 4 8.5 osh-nosouffle mut+alloc+free+gc+exit
46 23 23 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 9.9 _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
103 100 3 3.4 bash -
214 171 43 57.4 bumpleak/osh mut
220 162 58 56.5 _bin/cxx-opt+bumproot/osh mut
237 186 51 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 186 69 48.8 osh-native mut+alloc
263 186 77 50.7 osh-native mut+alloc+free
220 173 47 9.2 osh-native mut+alloc+free+gc
222 164 57 9.0 osh-native mut+alloc+free+gc+exit
262 183 79 49.4 osh-nosouffle mut+alloc
268 185 83 51.1 osh-nosouffle mut+alloc+free
225 170 55 9.6 osh-nosouffle mut+alloc+free+gc
225 179 46 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 203 73 64.6 _bin/cxx-opt+nopool/osh mut+alloc
252 206 46 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 6 4 3.8 dash -
16 7 9 4.8 bash -
16 9 7 3.9 zsh -
17 9 9 12.3 bumpleak/osh mut
17 8 10 14.4 _bin/cxx-opt+bumproot/osh mut
19 10 9 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
20 10 10 9.4 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
21 13 8 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc