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 31 3 9 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 135 25 62 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 148 26 66 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 8.7 102,780 180 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 20 0 1 2.8 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 9.8 117,246 277 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 3.3 bash -
89 51 44 3.5 zsh -
15 13 2 29.2 bumpleak/osh mut
16 11 5 29.9 _bin/cxx-opt+bumproot/osh mut
19 12 6 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.3 osh-native mut+alloc
28 18 10 25.7 osh-native mut+alloc+free
31 23 8 18.1 osh-native mut+alloc+free+gc
32 29 3 18.4 osh-native mut+alloc+free+gc+exit
28 21 7 25.8 osh-nosouffle mut+alloc
30 21 8 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 21 19 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 29 15 22.6 _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 40 2 3.4 bash -
321 175 169 3.7 zsh -
45 35 10 86.2 bumpleak/osh mut
49 36 13 85.5 _bin/cxx-opt+bumproot/osh mut
58 46 11 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 58 25 73.7 osh-native mut+alloc
93 57 35 75.5 osh-native mut+alloc+free
135 118 17 51.7 osh-native mut+alloc+free+gc
139 119 20 52.4 osh-native mut+alloc+free+gc+exit
92 56 36 74.2 osh-nosouffle mut+alloc
103 64 38 76.0 osh-nosouffle mut+alloc+free
148 120 28 52.0 osh-nosouffle mut+alloc+free+gc
155 125 30 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 81 47 97.7 _bin/cxx-opt+nopool/osh mut+alloc
195 157 38 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 1 1 1.7 dash -
4 4 0 3.1 bash -
6 3 3 3.4 zsh -
6 3 2 12.7 bumpleak/osh mut
6 4 2 12.6 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 3 5 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 3 6 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 2 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 31 0 3.4 bash -
21 15 6 3.4 zsh -
17 14 3 32.4 bumpleak/osh mut
18 13 5 32.8 _bin/cxx-opt+bumproot/osh mut
20 15 5 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 21 10 27.3 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
19 14 5 8.4 osh-native mut+alloc+free+gc+exit
34 18 16 27.3 osh-nosouffle mut+alloc
35 26 9 27.8 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 27 20 36.5 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 9.9 _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 98 5 3.5 bash -
212 151 61 57.3 bumpleak/osh mut
219 168 51 56.8 _bin/cxx-opt+bumproot/osh mut
238 174 64 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
252 185 67 48.9 osh-native mut+alloc
262 206 56 50.7 osh-native mut+alloc+free
221 181 40 9.0 osh-native mut+alloc+free+gc
219 178 41 9.2 osh-native mut+alloc+free+gc+exit
264 190 74 49.2 osh-nosouffle mut+alloc
283 207 76 51.3 osh-nosouffle mut+alloc+free
227 176 51 9.7 osh-nosouffle mut+alloc+free+gc
227 178 49 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 215 63 64.9 _bin/cxx-opt+nopool/osh mut+alloc
252 195 57 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 6 4 3.9 dash -
16 6 10 4.8 bash -
17 9 9 4.1 zsh -
20 11 10 12.6 bumpleak/osh mut
19 7 12 13.0 _bin/cxx-opt+bumproot/osh mut
19 9 11 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.4 osh-native mut+alloc
20 10 10 11.8 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 12 8 12.2 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
21 11 10 9.8 osh-nosouffle mut+alloc+free+gc
22 10 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc