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 33 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 151 29 76 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 158 29 72 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 11 1 2 2.6 9.3 102,780 180 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 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 224 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,247 277 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 7 0 1.6 dash -
13 13 0 3.3 bash -
90 55 43 3.5 zsh -
16 14 2 30.3 bumpleak/osh mut
16 13 3 29.7 _bin/cxx-opt+bumproot/osh mut
20 13 6 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
33 24 9 18.2 osh-native mut+alloc+free+gc
33 24 9 18.4 osh-native mut+alloc+free+gc+exit
29 14 15 25.8 osh-nosouffle mut+alloc
31 19 12 26.3 osh-nosouffle mut+alloc+free
36 34 2 18.7 osh-nosouffle mut+alloc+free+gc
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 28 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
49 38 12 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 39 3 3.5 bash -
331 190 165 3.7 zsh -
56 43 12 84.7 bumpleak/osh mut
48 39 9 86.1 _bin/cxx-opt+bumproot/osh mut
59 44 15 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 36 73.7 osh-native mut+alloc
95 58 37 75.6 osh-native mut+alloc+free
151 131 20 51.9 osh-native mut+alloc+free+gc
160 139 21 52.4 osh-native mut+alloc+free+gc+exit
95 57 39 74.2 osh-nosouffle mut+alloc
104 64 40 75.9 osh-nosouffle mut+alloc+free
158 137 21 52.1 osh-nosouffle mut+alloc+free+gc
166 142 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 75 53 99.5 _bin/cxx-opt+nopool/osh mut+alloc
234 193 40 72.7 _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 2 3.1 bash -
7 3 4 3.4 zsh -
7 4 3 12.5 bumpleak/osh mut
6 2 5 11.7 _bin/cxx-opt+bumproot/osh mut
8 7 1 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
9 6 2 10.4 osh-native mut+alloc+free
10 6 4 8.7 osh-native mut+alloc+free+gc
10 8 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 8 2 11.0 osh-nosouffle mut+alloc+free
11 10 1 9.3 osh-nosouffle mut+alloc+free+gc
11 6 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 7 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 3 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 1.4 dash -
31 30 1 3.3 bash -
21 15 7 3.3 zsh -
18 14 3 33.0 bumpleak/osh mut
19 13 6 33.1 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 27.0 osh-native mut+alloc
31 20 11 27.3 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 24 10 27.4 osh-nosouffle mut+alloc
36 27 8 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 18 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
115 110 4 3.4 bash -
227 166 61 56.4 bumpleak/osh mut
223 161 63 57.0 _bin/cxx-opt+bumproot/osh mut
241 175 66 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
261 190 71 48.8 osh-native mut+alloc
270 190 80 50.7 osh-native mut+alloc+free
224 188 36 9.0 osh-native mut+alloc+free+gc
223 180 43 8.9 osh-native mut+alloc+free+gc+exit
266 182 84 49.3 osh-nosouffle mut+alloc
279 209 69 51.4 osh-nosouffle mut+alloc+free
230 182 48 9.4 osh-nosouffle mut+alloc+free+gc
231 184 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
284 201 83 64.0 _bin/cxx-opt+nopool/osh mut+alloc
255 206 49 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 5 3.9 dash -
16 9 8 4.8 bash -
16 9 8 3.9 zsh -
19 6 14 13.2 bumpleak/osh mut
20 12 9 13.4 _bin/cxx-opt+bumproot/osh mut
21 9 12 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 9 11.5 osh-native mut+alloc
22 12 11 11.8 osh-native mut+alloc+free
21 13 9 9.6 osh-native mut+alloc+free+gc
22 12 11 9.7 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
22 13 11 12.2 osh-nosouffle mut+alloc+free
22 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 15 10 13.3 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc