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 31 3 9 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 126 22 55 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 144 26 61 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 8 1 2 2.6 8.5 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 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 8.1 576,705 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 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 224 0 3 11.6 9.7 990,259 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 9.8 117,246 277 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 6 1 1.7 dash -
13 13 0 3.4 bash -
88 49 46 3.5 zsh -
15 11 4 28.7 bumpleak/osh mut
16 13 3 28.7 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 25.6 osh-native mut+alloc
27 17 9 25.8 osh-native mut+alloc+free
31 23 8 18.2 osh-native mut+alloc+free+gc
32 25 7 18.4 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
29 18 11 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc
34 28 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.1 _bin/cxx-opt+nopool/osh mut+alloc
44 40 4 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 42 1 3.4 bash -
321 163 182 3.7 zsh -
45 38 7 85.6 bumpleak/osh mut
48 39 9 85.2 _bin/cxx-opt+bumproot/osh mut
59 49 10 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 52 33 73.7 osh-native mut+alloc
92 54 38 75.4 osh-native mut+alloc+free
126 104 22 51.7 osh-native mut+alloc+free+gc
136 115 21 52.5 osh-native mut+alloc+free+gc+exit
95 57 38 74.1 osh-nosouffle mut+alloc
101 60 41 76.0 osh-nosouffle mut+alloc+free
144 120 24 52.1 osh-nosouffle mut+alloc+free+gc
148 124 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 69 58 98.3 _bin/cxx-opt+nopool/osh mut+alloc
193 159 34 73.0 _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 1.4 dash -
4 3 1 3.1 bash -
6 1 5 3.4 zsh -
6 3 3 11.2 bumpleak/osh mut
6 4 2 11.5 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 3 5 10.6 osh-native mut+alloc
8 4 4 10.4 osh-native mut+alloc+free
8 7 2 8.5 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 3 6 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
9 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 9.6 _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 9 1 1.4 dash -
31 30 1 3.1 bash -
21 17 4 3.5 zsh -
16 12 4 33.5 bumpleak/osh mut
18 13 5 31.9 _bin/cxx-opt+bumproot/osh mut
20 14 6 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 27.3 osh-native mut+alloc
30 17 13 27.3 osh-native mut+alloc+free
20 16 4 8.1 osh-native mut+alloc+free+gc
19 17 2 8.1 osh-native mut+alloc+free+gc+exit
33 20 13 27.7 osh-nosouffle mut+alloc
35 30 5 27.7 osh-nosouffle mut+alloc+free
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
103 96 7 3.4 bash -
208 158 51 57.7 bumpleak/osh mut
217 164 53 56.7 _bin/cxx-opt+bumproot/osh mut
234 162 71 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 187 67 48.8 osh-native mut+alloc
259 185 74 50.8 osh-native mut+alloc+free
217 172 45 9.0 osh-native mut+alloc+free+gc
217 180 38 9.0 osh-native mut+alloc+free+gc+exit
257 185 72 49.1 osh-nosouffle mut+alloc
269 204 65 51.2 osh-nosouffle mut+alloc+free
224 187 37 9.7 osh-nosouffle mut+alloc+free+gc
225 169 56 9.4 osh-nosouffle mut+alloc+free+gc+exit
275 194 81 66.0 _bin/cxx-opt+nopool/osh mut+alloc
249 204 45 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 5 4 3.9 dash -
16 7 9 4.8 bash -
15 5 11 4.1 zsh -
17 8 9 12.5 bumpleak/osh mut
18 8 11 13.7 _bin/cxx-opt+bumproot/osh mut
18 8 11 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.4 osh-native mut+alloc
20 8 13 11.8 osh-native mut+alloc+free
20 13 8 9.6 osh-native mut+alloc+free+gc
20 9 12 9.6 osh-native mut+alloc+free+gc+exit
20 12 8 12.1 osh-nosouffle mut+alloc
21 11 11 12.3 osh-nosouffle mut+alloc+free
21 8 13 9.8 osh-nosouffle mut+alloc+free+gc
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 16 8 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc