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 33 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 11 12.0 18.9 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 134 25 61 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 149 27 65 45.9 52.3 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,780 180 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 222 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,259 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 1.8 dash -
13 13 0 3.3 bash -
92 55 44 3.5 zsh -
16 12 3 29.1 bumpleak/osh mut
16 12 4 29.5 _bin/cxx-opt+bumproot/osh mut
19 13 6 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.6 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
33 28 5 18.2 osh-native mut+alloc+free+gc
34 27 7 18.4 osh-native mut+alloc+free+gc+exit
29 15 13 26.0 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
36 27 9 18.9 osh-nosouffle mut+alloc+free+gc
37 30 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 23 16 33.5 _bin/cxx-opt+nopool/osh mut+alloc
45 32 13 22.5 _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 41 2 3.4 bash -
332 180 176 3.8 zsh -
44 37 7 86.2 bumpleak/osh mut
47 41 6 86.0 _bin/cxx-opt+bumproot/osh mut
60 45 15 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 35 73.8 osh-native mut+alloc
93 59 34 75.5 osh-native mut+alloc+free
134 109 26 51.7 osh-native mut+alloc+free+gc
147 129 18 52.2 osh-native mut+alloc+free+gc+exit
93 61 31 74.2 osh-nosouffle mut+alloc
102 69 34 75.9 osh-nosouffle mut+alloc+free
149 120 29 52.3 osh-nosouffle mut+alloc+free+gc
156 135 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 78 50 98.7 _bin/cxx-opt+nopool/osh mut+alloc
203 168 35 71.7 _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 1.6 dash -
4 3 1 3.3 bash -
6 4 2 3.4 zsh -
6 4 2 11.2 bumpleak/osh mut
6 5 1 12.6 _bin/cxx-opt+bumproot/osh mut
6 5 1 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.6 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 11 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
10 9 1 1.6 dash -
30 28 2 3.3 bash -
21 15 6 3.5 zsh -
17 11 5 31.9 bumpleak/osh mut
18 13 5 33.8 _bin/cxx-opt+bumproot/osh mut
21 12 9 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 27.0 osh-native mut+alloc
30 19 11 27.4 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.5 osh-nosouffle mut+alloc
35 24 11 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 32 14 36.3 _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 99 5 3.4 bash -
214 164 50 57.3 bumpleak/osh mut
223 171 52 56.9 _bin/cxx-opt+bumproot/osh mut
241 179 62 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 193 64 48.6 osh-native mut+alloc
267 189 77 50.9 osh-native mut+alloc+free
222 175 47 9.0 osh-native mut+alloc+free+gc
221 174 48 9.0 osh-native mut+alloc+free+gc+exit
263 183 80 49.3 osh-nosouffle mut+alloc
272 206 66 51.2 osh-nosouffle mut+alloc+free
228 170 58 9.4 osh-nosouffle mut+alloc+free+gc
228 183 45 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 202 76 64.7 _bin/cxx-opt+nopool/osh mut+alloc
252 198 54 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 5 3.9 dash -
16 9 7 4.7 bash -
15 7 9 3.9 zsh -
19 8 11 13.0 bumpleak/osh mut
19 7 13 13.7 _bin/cxx-opt+bumproot/osh mut
20 12 9 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 12 8 11.5 osh-native mut+alloc
20 11 10 11.8 osh-native mut+alloc+free
20 12 9 9.6 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
22 9 14 12.2 osh-nosouffle mut+alloc+free
21 10 12 10.0 osh-nosouffle mut+alloc+free+gc
22 9 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc