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 30 3 9 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 127 23 56 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 139 23 54 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 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 1 2 2.6 9.3 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 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 217 0 3 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 224 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 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 20 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
6 5 2 1.7 dash -
13 12 1 3.4 bash -
88 52 42 3.7 zsh -
15 11 4 30.2 bumpleak/osh mut
16 12 4 30.5 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.6 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
30 23 7 18.2 osh-native mut+alloc+free+gc
31 25 6 18.1 osh-native mut+alloc+free+gc+exit
28 18 9 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
33 26 7 18.6 osh-nosouffle mut+alloc+free+gc
33 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 32 7 32.9 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 23 0 1.7 dash -
43 43 0 3.4 bash -
321 160 183 3.7 zsh -
44 36 8 85.3 bumpleak/osh mut
47 38 9 86.2 _bin/cxx-opt+bumproot/osh mut
59 47 11 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 46 35 73.8 osh-native mut+alloc
89 53 36 75.5 osh-native mut+alloc+free
127 103 24 51.6 osh-native mut+alloc+free+gc
132 105 27 52.4 osh-native mut+alloc+free+gc+exit
90 64 26 74.1 osh-nosouffle mut+alloc
99 71 28 75.9 osh-nosouffle mut+alloc+free
139 117 22 52.1 osh-nosouffle mut+alloc+free+gc
140 117 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 83 42 99.4 _bin/cxx-opt+nopool/osh mut+alloc
184 150 34 73.6 _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 4 0 3.3 bash -
6 5 1 3.4 zsh -
6 6 0 11.2 bumpleak/osh mut
6 3 3 11.6 _bin/cxx-opt+bumproot/osh mut
6 4 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 4 3 10.5 osh-native mut+alloc
8 6 2 10.4 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 4 5 8.7 osh-native mut+alloc+free+gc+exit
8 4 4 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
9 5 4 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 1.6 dash -
30 29 1 3.3 bash -
21 18 3 3.4 zsh -
17 13 4 32.9 bumpleak/osh mut
18 13 5 32.0 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 7 26.9 osh-native mut+alloc
29 21 9 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
19 18 1 8.3 osh-native mut+alloc+free+gc+exit
33 21 11 27.4 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 37.0 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
102 99 3 3.4 bash -
208 174 34 57.4 bumpleak/osh mut
219 161 58 57.9 _bin/cxx-opt+bumproot/osh mut
233 179 54 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
251 185 66 48.8 osh-native mut+alloc
257 190 67 50.9 osh-native mut+alloc+free
217 167 50 8.9 osh-native mut+alloc+free+gc
217 167 50 9.0 osh-native mut+alloc+free+gc+exit
257 184 73 49.4 osh-nosouffle mut+alloc
264 200 64 51.4 osh-nosouffle mut+alloc+free
224 175 49 9.6 osh-nosouffle mut+alloc+free+gc
225 188 37 9.6 osh-nosouffle mut+alloc+free+gc+exit
275 209 66 65.6 _bin/cxx-opt+nopool/osh mut+alloc
248 200 48 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 2 7 3.8 dash -
15 9 7 4.7 bash -
15 6 10 4.1 zsh -
17 7 10 12.5 bumpleak/osh mut
17 10 7 14.2 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.7 osh-native mut+alloc
20 9 11 11.4 osh-native mut+alloc+free
20 10 10 9.6 osh-native mut+alloc+free+gc
20 10 10 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
21 9 13 12.2 osh-nosouffle mut+alloc+free
20 12 9 10.0 osh-nosouffle mut+alloc+free+gc
21 9 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
22 7 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 15 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc