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 36 4 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 141 25 68 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 150 27 67 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 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 21 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 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,249 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
6 6 1 1.8 dash -
13 11 2 3.3 bash -
91 60 38 3.5 zsh -
16 11 4 30.5 bumpleak/osh mut
16 13 4 29.0 _bin/cxx-opt+bumproot/osh mut
19 14 6 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.7 osh-native mut+alloc
28 19 9 25.7 osh-native mut+alloc+free
32 28 4 18.1 osh-native mut+alloc+free+gc
33 26 7 18.2 osh-native mut+alloc+free+gc+exit
29 21 7 25.8 osh-nosouffle mut+alloc
31 23 8 26.2 osh-nosouffle mut+alloc+free
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 28 11 32.3 _bin/cxx-opt+nopool/osh mut+alloc
47 36 11 23.0 _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 -
42 42 0 3.4 bash -
329 185 166 3.7 zsh -
46 39 7 85.5 bumpleak/osh mut
48 38 10 84.8 _bin/cxx-opt+bumproot/osh mut
59 43 16 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 31 73.7 osh-native mut+alloc
94 61 33 75.5 osh-native mut+alloc+free
141 116 25 51.7 osh-native mut+alloc+free+gc
141 115 26 52.4 osh-native mut+alloc+free+gc+exit
93 51 42 74.1 osh-nosouffle mut+alloc
101 69 32 76.0 osh-nosouffle mut+alloc+free
150 122 28 52.1 osh-nosouffle mut+alloc+free+gc
155 135 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 85 43 99.3 _bin/cxx-opt+nopool/osh mut+alloc
202 170 32 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 1.6 dash -
4 2 1 3.3 bash -
7 3 4 3.4 zsh -
6 4 2 13.1 bumpleak/osh mut
7 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 3 6 10.9 osh-nosouffle mut+alloc
9 5 5 11.0 osh-nosouffle mut+alloc+free
10 8 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 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
9 9 0 1.6 dash -
31 29 2 3.3 bash -
21 14 7 3.4 zsh -
17 10 7 32.7 bumpleak/osh mut
19 14 5 33.4 _bin/cxx-opt+bumproot/osh mut
21 11 10 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.7 osh-native mut+alloc
31 18 13 27.0 osh-native mut+alloc+free
21 19 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
36 27 9 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 28 19 37.0 _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
104 97 7 3.4 bash -
216 156 59 57.0 bumpleak/osh mut
223 182 41 57.8 _bin/cxx-opt+bumproot/osh mut
237 180 57 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 184 78 48.8 osh-native mut+alloc
277 202 75 50.6 osh-native mut+alloc+free
221 180 41 9.0 osh-native mut+alloc+free+gc
223 180 43 9.2 osh-native mut+alloc+free+gc+exit
265 201 64 49.3 osh-nosouffle mut+alloc
273 195 78 51.3 osh-nosouffle mut+alloc+free
227 183 44 9.7 osh-nosouffle mut+alloc+free+gc
232 204 28 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 198 81 64.6 _bin/cxx-opt+nopool/osh mut+alloc
251 205 46 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 3 6 3.8 dash -
16 10 6 4.8 bash -
16 8 8 3.9 zsh -
19 13 7 13.0 bumpleak/osh mut
18 9 10 12.7 _bin/cxx-opt+bumproot/osh mut
20 11 9 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 13 7 11.5 osh-native mut+alloc
21 9 13 11.8 osh-native mut+alloc+free
21 10 11 9.4 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
21 9 12 12.1 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 14 9 10.0 osh-nosouffle mut+alloc+free+gc
23 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc