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 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 10 12.0 18.5 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 145 28 72 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 152 27 68 45.9 52.4 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 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 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 26 0 2 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,247 277 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 3.4 bash -
88 49 46 3.5 zsh -
15 11 5 29.6 bumpleak/osh mut
16 12 5 29.9 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 19 8 25.7 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
33 25 8 18.1 osh-native mut+alloc+free+gc+exit
28 19 9 26.1 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
34 25 9 18.5 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 33.5 _bin/cxx-opt+nopool/osh mut+alloc
47 38 9 22.7 _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 1.6 dash -
43 41 2 3.4 bash -
330 184 169 3.7 zsh -
45 37 8 86.2 bumpleak/osh mut
49 40 9 86.0 _bin/cxx-opt+bumproot/osh mut
61 43 17 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 54 28 73.5 osh-native mut+alloc
90 57 33 75.5 osh-native mut+alloc+free
145 124 21 51.7 osh-native mut+alloc+free+gc
150 125 25 52.5 osh-native mut+alloc+free+gc+exit
91 54 37 74.3 osh-nosouffle mut+alloc
101 64 37 76.0 osh-nosouffle mut+alloc+free
152 136 16 52.4 osh-nosouffle mut+alloc+free+gc
156 126 30 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 78 47 97.9 _bin/cxx-opt+nopool/osh mut+alloc
211 172 39 71.3 _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 1.7 dash -
4 2 1 3.1 bash -
6 2 4 3.4 zsh -
7 5 2 12.5 bumpleak/osh mut
6 4 2 12.9 _bin/cxx-opt+bumproot/osh mut
8 5 2 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.4 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc
10 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
13 12 1 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 8 2 1.4 dash -
31 31 0 3.1 bash -
21 16 5 3.4 zsh -
17 14 3 33.8 bumpleak/osh mut
19 13 6 32.8 _bin/cxx-opt+bumproot/osh mut
21 13 8 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.9 osh-native mut+alloc
31 18 13 27.1 osh-native mut+alloc+free
20 15 5 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 24 9 27.4 osh-nosouffle mut+alloc
36 22 14 27.7 osh-nosouffle mut+alloc+free
26 25 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 23 24 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
103 102 1 3.5 bash -
214 163 51 57.7 bumpleak/osh mut
222 175 47 57.8 _bin/cxx-opt+bumproot/osh mut
241 177 63 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 192 64 48.8 osh-native mut+alloc
265 199 66 50.7 osh-native mut+alloc+free
221 166 55 9.2 osh-native mut+alloc+free+gc
224 178 46 9.0 osh-native mut+alloc+free+gc+exit
262 189 74 49.3 osh-nosouffle mut+alloc
269 196 73 51.1 osh-nosouffle mut+alloc+free
229 187 42 9.6 osh-nosouffle mut+alloc+free+gc
229 171 58 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 200 79 64.0 _bin/cxx-opt+nopool/osh mut+alloc
265 214 51 10.7 _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 6 3 4.1 dash -
16 5 12 4.8 bash -
16 7 9 3.9 zsh -
17 7 11 13.9 bumpleak/osh mut
18 11 8 12.5 _bin/cxx-opt+bumproot/osh mut
21 7 14 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 6 14 11.5 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 13 8 9.4 osh-native mut+alloc+free+gc
22 13 9 9.4 osh-native mut+alloc+free+gc+exit
21 9 13 12.2 osh-nosouffle mut+alloc
22 11 12 12.1 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 16 8 13.0 _bin/cxx-opt+nopool/osh mut+alloc
25 11 14 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc