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 32 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 144 28 70 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 142 24 60 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 9 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 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 11 2 3.3 bash -
89 42 54 3.5 zsh -
15 12 3 28.9 bumpleak/osh mut
16 13 3 30.7 _bin/cxx-opt+bumproot/osh mut
19 17 2 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 25.4 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
32 25 7 18.1 osh-native mut+alloc+free+gc
32 22 10 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
33 30 3 18.7 osh-nosouffle mut+alloc+free+gc
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 19 20 33.4 _bin/cxx-opt+nopool/osh mut+alloc
44 29 14 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 21 2 1.7 dash -
42 41 1 3.5 bash -
327 176 174 3.8 zsh -
44 37 7 84.4 bumpleak/osh mut
48 40 8 85.3 _bin/cxx-opt+bumproot/osh mut
59 44 15 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 55 28 73.7 osh-native mut+alloc
92 58 33 75.5 osh-native mut+alloc+free
144 118 26 51.6 osh-native mut+alloc+free+gc
141 122 19 52.5 osh-native mut+alloc+free+gc+exit
92 63 29 74.2 osh-nosouffle mut+alloc
100 65 35 76.0 osh-nosouffle mut+alloc+free
142 117 25 52.1 osh-nosouffle mut+alloc+free+gc
151 119 32 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 73 54 98.9 _bin/cxx-opt+nopool/osh mut+alloc
192 160 32 73.9 _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 4 3 3.4 zsh -
6 4 2 11.4 bumpleak/osh mut
6 4 2 12.8 _bin/cxx-opt+bumproot/osh mut
6 4 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 6 1 10.6 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
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
8 5 4 11.0 osh-nosouffle mut+alloc
8 6 2 11.0 osh-nosouffle mut+alloc+free
9 8 1 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.8 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 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 10 0 1.6 dash -
30 29 1 3.3 bash -
21 14 7 3.4 zsh -
16 11 5 31.8 bumpleak/osh mut
18 16 2 32.4 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 10 18 26.9 osh-native mut+alloc
30 20 10 27.0 osh-native mut+alloc+free
20 16 4 8.1 osh-native mut+alloc+free+gc
20 15 5 8.4 osh-native mut+alloc+free+gc+exit
33 19 14 27.4 osh-nosouffle mut+alloc
34 25 9 27.7 osh-nosouffle mut+alloc+free
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
103 100 3 3.4 bash -
216 158 59 56.8 bumpleak/osh mut
220 162 58 57.6 _bin/cxx-opt+bumproot/osh mut
237 176 61 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 185 69 48.8 osh-native mut+alloc
262 182 80 50.7 osh-native mut+alloc+free
220 180 40 9.2 osh-native mut+alloc+free+gc
221 173 47 9.2 osh-native mut+alloc+free+gc+exit
261 185 76 49.3 osh-nosouffle mut+alloc
268 198 70 51.3 osh-nosouffle mut+alloc+free
229 184 45 9.6 osh-nosouffle mut+alloc+free+gc
228 178 50 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 202 74 65.5 _bin/cxx-opt+nopool/osh mut+alloc
251 200 51 10.4 _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 7 3 3.9 dash -
16 11 5 4.8 bash -
15 7 9 3.9 zsh -
18 8 11 13.4 bumpleak/osh mut
18 10 9 13.0 _bin/cxx-opt+bumproot/osh mut
20 9 11 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 14 11.5 osh-native mut+alloc
20 8 12 11.8 osh-native mut+alloc+free
20 11 9 9.4 osh-native mut+alloc+free+gc
21 9 12 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
21 10 12 12.3 osh-nosouffle mut+alloc+free
21 12 9 10.0 osh-nosouffle mut+alloc+free+gc
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.0 _bin/cxx-opt+nopool/osh mut+alloc
23 10 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc