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 36 6 13 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 37 5 11 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 152 28 78 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 163 28 79 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.9 102,780 180 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 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,207 277 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 1.7 dash -
13 12 1 3.1 bash -
90 53 44 3.5 zsh -
16 11 4 28.8 bumpleak/osh mut
16 11 5 30.5 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
29 16 12 25.7 osh-native mut+alloc+free
36 26 10 18.1 osh-native mut+alloc+free+gc
34 28 6 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 17 13 26.2 osh-nosouffle mut+alloc+free
37 28 9 18.6 osh-nosouffle mut+alloc+free+gc
37 30 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 19 21 33.3 _bin/cxx-opt+nopool/osh mut+alloc
51 41 10 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 22 1 1.6 dash -
43 42 1 3.5 bash -
329 183 169 3.5 zsh -
46 37 9 85.7 bumpleak/osh mut
48 41 7 86.0 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 50 34 73.5 osh-native mut+alloc
92 56 36 75.5 osh-native mut+alloc+free
152 125 27 51.7 osh-native mut+alloc+free+gc
155 129 26 52.4 osh-native mut+alloc+free+gc+exit
93 52 41 74.1 osh-nosouffle mut+alloc
101 62 39 76.0 osh-nosouffle mut+alloc+free
163 136 27 52.0 osh-nosouffle mut+alloc+free+gc
169 142 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 76 52 98.7 _bin/cxx-opt+nopool/osh mut+alloc
224 192 32 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 1.6 dash -
4 3 1 3.1 bash -
7 4 2 3.3 zsh -
6 4 2 11.4 bumpleak/osh mut
6 4 3 11.6 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.7 osh-native mut+alloc
8 3 5 10.7 osh-native mut+alloc+free
9 7 2 8.9 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 3 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
11 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.4 _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 1.6 dash -
32 31 1 3.3 bash -
21 16 5 3.4 zsh -
17 10 7 32.7 bumpleak/osh mut
19 14 5 32.6 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 13 15 26.7 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 19 6 8.5 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.6 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
105 102 3 3.5 bash -
212 158 54 57.1 bumpleak/osh mut
223 171 51 56.3 _bin/cxx-opt+bumproot/osh mut
242 179 63 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 182 74 48.9 osh-native mut+alloc
267 191 76 50.9 osh-native mut+alloc+free
222 175 47 9.0 osh-native mut+alloc+free+gc
239 194 45 9.2 osh-native mut+alloc+free+gc+exit
263 204 59 49.4 osh-nosouffle mut+alloc
269 190 79 51.3 osh-nosouffle mut+alloc+free
226 174 52 9.6 osh-nosouffle mut+alloc+free+gc
229 181 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
283 199 84 64.9 _bin/cxx-opt+nopool/osh mut+alloc
254 214 40 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
10 4 5 3.9 dash -
16 6 10 4.8 bash -
16 6 10 4.1 zsh -
20 9 11 13.5 bumpleak/osh mut
20 9 11 13.5 _bin/cxx-opt+bumproot/osh mut
21 14 8 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.4 osh-native mut+alloc
21 6 16 11.8 osh-native mut+alloc+free
21 10 12 9.4 osh-native mut+alloc+free+gc
21 14 8 9.7 osh-native mut+alloc+free+gc+exit
21 11 10 12.2 osh-nosouffle mut+alloc
22 11 12 12.1 osh-nosouffle mut+alloc+free
22 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 14 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
26 13 13 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc