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 35 6 12 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 151 26 74 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 153 28 70 45.9 52.0 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 9.2 102,780 180 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 24 0 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 227 0 5 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 235 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.2 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 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 5 1 1.8 dash -
13 11 2 3.4 bash -
91 51 47 3.5 zsh -
15 10 6 30.4 bumpleak/osh mut
16 15 1 28.8 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 10 16 25.4 osh-native mut+alloc
29 16 12 25.8 osh-native mut+alloc+free
35 28 7 18.1 osh-native mut+alloc+free+gc
33 25 8 18.2 osh-native mut+alloc+free+gc+exit
28 17 11 26.1 osh-nosouffle mut+alloc
31 19 12 26.3 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 21 19 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 36 10 22.7 _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 20 3 1.7 dash -
43 42 1 3.3 bash -
335 192 165 3.5 zsh -
45 37 8 84.7 bumpleak/osh mut
48 38 10 85.3 _bin/cxx-opt+bumproot/osh mut
62 51 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 31 73.8 osh-native mut+alloc
91 59 32 75.5 osh-native mut+alloc+free
151 125 25 51.7 osh-native mut+alloc+free+gc
149 127 22 52.5 osh-native mut+alloc+free+gc+exit
92 57 34 74.2 osh-nosouffle mut+alloc
101 67 34 75.9 osh-nosouffle mut+alloc+free
153 128 25 52.0 osh-nosouffle mut+alloc+free+gc
166 140 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 85 39 97.5 _bin/cxx-opt+nopool/osh mut+alloc
216 176 40 72.9 _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 3 1 3.3 bash -
7 4 2 3.5 zsh -
6 3 3 11.1 bumpleak/osh mut
7 6 1 11.7 _bin/cxx-opt+bumproot/osh mut
8 5 3 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 6 3 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 4 11.9 _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 8 1 1.4 dash -
31 31 0 3.3 bash -
21 17 4 3.4 zsh -
17 12 5 32.2 bumpleak/osh mut
18 14 4 32.4 _bin/cxx-opt+bumproot/osh mut
21 14 7 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.9 osh-native mut+alloc
30 22 8 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 25 8 27.3 osh-nosouffle mut+alloc
37 24 12 27.8 osh-nosouffle mut+alloc+free
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 30 17 36.4 _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
107 102 5 3.5 bash -
217 172 44 55.8 bumpleak/osh mut
224 178 46 57.7 _bin/cxx-opt+bumproot/osh mut
246 192 54 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 199 63 48.8 osh-native mut+alloc
271 197 74 50.7 osh-native mut+alloc+free
227 166 61 9.0 osh-native mut+alloc+free+gc
225 175 50 9.0 osh-native mut+alloc+free+gc+exit
269 204 65 49.3 osh-nosouffle mut+alloc
277 206 71 51.3 osh-nosouffle mut+alloc+free
235 190 45 9.6 osh-nosouffle mut+alloc+free+gc
238 198 39 9.4 osh-nosouffle mut+alloc+free+gc+exit
303 230 73 64.9 _bin/cxx-opt+nopool/osh mut+alloc
280 234 46 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 6 4.1 dash -
16 9 8 4.8 bash -
20 8 13 3.9 zsh -
18 7 11 14.1 bumpleak/osh mut
20 9 12 13.4 _bin/cxx-opt+bumproot/osh mut
19 13 6 14.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 8 11.5 osh-native mut+alloc
21 8 14 11.8 osh-native mut+alloc+free
21 10 11 9.2 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 10 11 12.2 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
22 13 9 10.0 osh-nosouffle mut+alloc+free+gc
23 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 15 9 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc