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 32 4 10 12.0 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 37 6 12 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 148 26 74 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 153 27 69 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 8.8 102,780 180 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 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 26 0 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 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 9.6 117,247 277 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 59 38 3.4 zsh -
15 11 4 30.1 bumpleak/osh mut
16 12 4 28.6 _bin/cxx-opt+bumproot/osh mut
19 14 6 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.4 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
32 25 7 18.0 osh-native mut+alloc+free+gc
33 26 6 18.4 osh-native mut+alloc+free+gc+exit
29 20 8 25.8 osh-nosouffle mut+alloc
31 21 10 26.3 osh-nosouffle mut+alloc+free
37 34 3 18.7 osh-nosouffle mut+alloc+free+gc
36 28 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 32.6 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.8 _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 41 1 3.5 bash -
329 199 152 3.7 zsh -
44 37 7 86.3 bumpleak/osh mut
49 40 9 86.5 _bin/cxx-opt+bumproot/osh mut
59 44 15 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 31 73.8 osh-native mut+alloc
90 52 38 75.6 osh-native mut+alloc+free
148 126 22 51.6 osh-native mut+alloc+free+gc
151 129 22 52.4 osh-native mut+alloc+free+gc+exit
94 59 35 74.1 osh-nosouffle mut+alloc
101 66 35 76.0 osh-nosouffle mut+alloc+free
153 123 30 52.1 osh-nosouffle mut+alloc+free+gc
158 134 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 76 52 99.3 _bin/cxx-opt+nopool/osh mut+alloc
214 180 34 74.0 _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 1.6 dash -
4 2 1 3.3 bash -
6 4 3 3.3 zsh -
6 5 1 12.0 bumpleak/osh mut
6 4 3 13.2 _bin/cxx-opt+bumproot/osh mut
7 5 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
9 4 5 10.5 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
10 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
10 8 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
11 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.6 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 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 9 0 1.6 dash -
31 31 0 3.3 bash -
21 15 6 3.4 zsh -
18 14 4 33.3 bumpleak/osh mut
18 14 4 33.9 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.0 osh-native mut+alloc
31 22 9 27.3 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 15 5 8.4 osh-native mut+alloc+free+gc+exit
33 23 11 27.4 osh-nosouffle mut+alloc
35 27 8 27.7 osh-nosouffle mut+alloc+free
26 22 4 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.6 _bin/cxx-opt+nopool/osh mut+alloc
30 26 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
104 100 4 3.4 bash -
213 165 48 56.2 bumpleak/osh mut
221 171 50 57.4 _bin/cxx-opt+bumproot/osh mut
242 190 52 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 191 69 48.8 osh-native mut+alloc
268 198 70 50.7 osh-native mut+alloc+free
223 172 51 9.2 osh-native mut+alloc+free+gc
223 165 59 8.9 osh-native mut+alloc+free+gc+exit
264 198 66 49.2 osh-nosouffle mut+alloc
271 199 71 51.2 osh-nosouffle mut+alloc+free
228 187 41 9.6 osh-nosouffle mut+alloc+free+gc
234 191 39 9.6 osh-nosouffle mut+alloc+free+gc+exit
281 214 67 65.4 _bin/cxx-opt+nopool/osh mut+alloc
256 193 63 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 6 3.9 dash -
16 9 7 4.8 bash -
15 8 8 3.9 zsh -
17 7 10 12.2 bumpleak/osh mut
19 10 10 13.4 _bin/cxx-opt+bumproot/osh mut
18 10 9 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
20 10 11 11.8 osh-native mut+alloc+free
20 12 9 9.6 osh-native mut+alloc+free+gc
21 14 8 9.4 osh-native mut+alloc+free+gc+exit
21 12 9 12.1 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 9 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc