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 38 4 13 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 147 28 72 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 167 28 80 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 9.2 102,780 180 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 8.9 576,705 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 232 0 5 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
6 6 0 1.7 dash -
13 12 1 3.4 bash -
90 62 35 3.7 zsh -
16 11 4 30.0 bumpleak/osh mut
17 11 6 29.2 _bin/cxx-opt+bumproot/osh mut
21 14 7 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
33 28 5 18.2 osh-native mut+alloc+free+gc
35 28 7 18.2 osh-native mut+alloc+free+gc+exit
29 18 10 26.0 osh-nosouffle mut+alloc
32 22 9 26.3 osh-nosouffle mut+alloc+free
38 31 7 18.6 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 22 18 32.6 _bin/cxx-opt+nopool/osh mut+alloc
51 33 19 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 42 1 3.4 bash -
324 193 154 3.7 zsh -
44 36 8 84.7 bumpleak/osh mut
49 42 7 85.8 _bin/cxx-opt+bumproot/osh mut
61 43 18 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 40 42 73.7 osh-native mut+alloc
91 61 31 75.6 osh-native mut+alloc+free
147 123 24 51.7 osh-native mut+alloc+free+gc
149 126 23 52.4 osh-native mut+alloc+free+gc+exit
94 61 33 74.3 osh-nosouffle mut+alloc
102 64 38 75.9 osh-nosouffle mut+alloc+free
167 138 29 52.1 osh-nosouffle mut+alloc+free+gc
162 139 23 53.0 osh-nosouffle mut+alloc+free+gc+exit
130 77 54 98.9 _bin/cxx-opt+nopool/osh mut+alloc
208 169 39 73.2 _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 4 0 3.3 bash -
7 3 3 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
7 4 3 12.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 3 5 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
10 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 10.9 osh-nosouffle mut+alloc
10 7 3 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
11 6 5 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 9.8 _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 10 0 1.4 dash -
30 29 1 3.1 bash -
21 18 3 3.4 zsh -
17 13 4 32.2 bumpleak/osh mut
19 16 3 33.0 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 27.0 osh-native mut+alloc
31 19 12 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
34 25 9 27.3 osh-nosouffle mut+alloc
36 27 9 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.9 osh-nosouffle mut+alloc+free+gc
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 24 22 36.8 _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
105 98 7 3.5 bash -
214 159 55 56.0 bumpleak/osh mut
221 167 54 56.6 _bin/cxx-opt+bumproot/osh mut
238 177 61 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 179 77 48.8 osh-native mut+alloc
263 192 71 50.6 osh-native mut+alloc+free
223 172 51 9.2 osh-native mut+alloc+free+gc
223 174 49 9.2 osh-native mut+alloc+free+gc+exit
262 189 73 49.3 osh-nosouffle mut+alloc
276 209 68 51.4 osh-nosouffle mut+alloc+free
232 188 44 9.6 osh-nosouffle mut+alloc+free+gc
230 177 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 200 81 65.3 _bin/cxx-opt+nopool/osh mut+alloc
251 203 48 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 4 6 3.9 dash -
16 6 10 4.8 bash -
16 10 7 3.9 zsh -
18 4 14 12.5 bumpleak/osh mut
20 7 13 13.3 _bin/cxx-opt+bumproot/osh mut
19 9 11 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 5 15 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 16 6 9.4 osh-native mut+alloc+free+gc
22 8 14 9.6 osh-native mut+alloc+free+gc+exit
21 11 10 12.1 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 14 8 10.0 osh-nosouffle mut+alloc+free+gc
23 13 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc