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 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 138 26 65 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 149 23 65 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 20 0 1 2.8 8.4 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,208 277 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 0 1.7 dash -
13 11 2 3.4 bash -
89 54 42 3.5 zsh -
15 13 2 29.6 bumpleak/osh mut
17 10 7 29.1 _bin/cxx-opt+bumproot/osh mut
20 16 4 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.6 osh-native mut+alloc
27 14 14 25.8 osh-native mut+alloc+free
31 24 7 18.0 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
29 16 12 26.0 osh-nosouffle mut+alloc
30 20 11 26.3 osh-nosouffle mut+alloc+free
34 28 6 18.6 osh-nosouffle mut+alloc+free+gc
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 37 11 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 22 1 1.6 dash -
43 41 2 3.5 bash -
322 171 174 3.7 zsh -
45 34 10 85.7 bumpleak/osh mut
48 38 10 85.3 _bin/cxx-opt+bumproot/osh mut
60 48 12 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 45 38 73.7 osh-native mut+alloc
91 61 29 75.6 osh-native mut+alloc+free
138 116 22 51.9 osh-native mut+alloc+free+gc
140 116 24 52.4 osh-native mut+alloc+free+gc+exit
98 61 37 74.1 osh-nosouffle mut+alloc
100 77 23 76.0 osh-nosouffle mut+alloc+free
149 126 23 52.1 osh-nosouffle mut+alloc+free+gc
146 120 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 82 43 99.5 _bin/cxx-opt+nopool/osh mut+alloc
204 160 44 73.1 _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 4 3.5 zsh -
6 4 3 12.3 bumpleak/osh mut
6 4 2 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 4 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.6 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 4 4 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 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 5 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.6 _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 10 0 1.6 dash -
31 30 1 3.3 bash -
21 15 6 3.3 zsh -
16 12 4 31.8 bumpleak/osh mut
18 16 2 33.7 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
34 24 10 27.5 osh-nosouffle mut+alloc
36 21 15 27.5 osh-nosouffle mut+alloc+free
24 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 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
103 100 2 3.4 bash -
210 159 51 57.8 bumpleak/osh mut
220 164 56 56.1 _bin/cxx-opt+bumproot/osh mut
236 182 54 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 192 61 48.9 osh-native mut+alloc
265 193 72 50.7 osh-native mut+alloc+free
221 178 42 9.0 osh-native mut+alloc+free+gc
221 163 58 9.0 osh-native mut+alloc+free+gc+exit
265 197 67 49.2 osh-nosouffle mut+alloc
275 204 71 51.4 osh-nosouffle mut+alloc+free
227 187 40 9.4 osh-nosouffle mut+alloc+free+gc
226 167 59 9.7 osh-nosouffle mut+alloc+free+gc+exit
274 218 56 64.2 _bin/cxx-opt+nopool/osh mut+alloc
250 202 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 6 4 3.9 dash -
16 10 6 4.8 bash -
15 6 10 4.1 zsh -
18 5 14 13.0 bumpleak/osh mut
19 7 12 13.8 _bin/cxx-opt+bumproot/osh mut
20 10 10 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 9 13 11.8 osh-native mut+alloc+free
20 13 8 9.6 osh-native mut+alloc+free+gc
21 9 13 9.7 osh-native mut+alloc+free+gc+exit
21 14 7 12.2 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
22 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc