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 5 12 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 5 11 12.0 18.9 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 152 28 77 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 165 26 80 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 9.2 102,780 180 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 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 227 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.3 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,246 277 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
6 6 0 1.7 dash -
13 13 0 3.3 bash -
92 58 41 3.5 zsh -
15 9 6 29.1 bumpleak/osh mut
16 11 5 29.5 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 12 25.4 osh-native mut+alloc
28 12 17 25.8 osh-native mut+alloc+free
35 30 5 18.1 osh-native mut+alloc+free+gc
36 28 8 18.3 osh-native mut+alloc+free+gc+exit
29 21 8 26.0 osh-nosouffle mut+alloc
31 22 9 26.2 osh-nosouffle mut+alloc+free
36 26 10 18.9 osh-nosouffle mut+alloc+free+gc
37 31 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
41 20 21 32.6 _bin/cxx-opt+nopool/osh mut+alloc
54 44 9 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 -
43 41 2 3.4 bash -
331 197 157 3.8 zsh -
46 34 11 84.6 bumpleak/osh mut
48 40 8 86.7 _bin/cxx-opt+bumproot/osh mut
61 45 16 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 50 33 73.6 osh-native mut+alloc
93 57 36 75.5 osh-native mut+alloc+free
152 129 23 51.7 osh-native mut+alloc+free+gc
151 131 20 52.3 osh-native mut+alloc+free+gc+exit
90 61 29 74.1 osh-nosouffle mut+alloc
99 62 37 75.9 osh-nosouffle mut+alloc+free
165 139 26 52.4 osh-nosouffle mut+alloc+free+gc
165 144 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 69 59 98.5 _bin/cxx-opt+nopool/osh mut+alloc
225 187 38 74.1 _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 3.1 bash -
7 5 2 3.4 zsh -
6 5 1 13.1 bumpleak/osh mut
6 5 1 11.3 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 5 4 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 7 3 11.1 osh-nosouffle mut+alloc+free
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc
11 8 2 9.0 osh-nosouffle mut+alloc+free+gc+exit
12 3 8 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
21 15 6 3.4 zsh -
18 12 6 33.3 bumpleak/osh mut
19 12 7 33.4 _bin/cxx-opt+bumproot/osh mut
22 18 4 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 27.0 osh-native mut+alloc
31 19 12 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
35 27 8 27.8 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 32 15 36.4 _bin/cxx-opt+nopool/osh mut+alloc
32 28 4 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 98 6 3.5 bash -
217 162 55 57.6 bumpleak/osh mut
222 165 57 57.8 _bin/cxx-opt+bumproot/osh mut
242 186 56 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 173 84 48.8 osh-native mut+alloc
266 196 70 50.8 osh-native mut+alloc+free
227 182 44 9.0 osh-native mut+alloc+free+gc
227 183 44 8.9 osh-native mut+alloc+free+gc+exit
261 197 64 49.3 osh-nosouffle mut+alloc
268 199 68 51.1 osh-nosouffle mut+alloc+free
227 182 45 9.4 osh-nosouffle mut+alloc+free+gc
228 181 47 9.4 osh-nosouffle mut+alloc+free+gc+exit
279 193 86 64.3 _bin/cxx-opt+nopool/osh mut+alloc
264 220 44 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 7 3.9 dash -
16 6 10 5.0 bash -
16 6 10 3.9 zsh -
19 11 8 12.9 bumpleak/osh mut
18 10 8 14.4 _bin/cxx-opt+bumproot/osh mut
19 11 9 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 7 13 11.7 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
22 12 10 9.3 osh-native mut+alloc+free+gc
22 11 11 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
23 9 14 12.2 osh-nosouffle mut+alloc+free
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc
23 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 12.9 _bin/cxx-opt+nopool/osh mut+alloc
25 10 15 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc