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 18.4 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 5 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 147 26 70 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 168 29 83 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 8.5 102,780 180 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 2 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 225 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 230 0 5 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 1.6 dash -
13 12 1 3.3 bash -
89 51 45 3.5 zsh -
16 9 7 29.0 bumpleak/osh mut
16 15 1 30.0 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 12 16 25.8 osh-native mut+alloc+free
31 26 5 18.4 osh-native mut+alloc+free+gc
34 30 4 18.4 osh-native mut+alloc+free+gc+exit
28 19 9 26.1 osh-nosouffle mut+alloc
30 20 10 26.2 osh-nosouffle mut+alloc+free
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc
37 28 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.3 _bin/cxx-opt+nopool/osh mut+alloc
49 35 13 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 1.6 dash -
42 41 1 3.5 bash -
327 181 168 3.7 zsh -
45 35 10 86.4 bumpleak/osh mut
47 39 9 86.3 _bin/cxx-opt+bumproot/osh mut
60 48 12 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 54 27 73.8 osh-native mut+alloc
89 61 28 75.5 osh-native mut+alloc+free
147 110 36 51.7 osh-native mut+alloc+free+gc
152 129 23 52.4 osh-native mut+alloc+free+gc+exit
92 58 34 74.1 osh-nosouffle mut+alloc
100 71 29 76.0 osh-nosouffle mut+alloc+free
168 147 21 52.0 osh-nosouffle mut+alloc+free+gc
165 146 19 53.1 osh-nosouffle mut+alloc+free+gc+exit
125 77 49 98.1 _bin/cxx-opt+nopool/osh mut+alloc
210 181 30 73.6 _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 1.4 dash -
4 4 0 3.3 bash -
6 4 3 3.4 zsh -
6 4 2 12.8 bumpleak/osh mut
6 4 2 11.8 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 6 2 10.5 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 8 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.5 zsh -
17 11 6 32.4 bumpleak/osh mut
19 12 7 33.1 _bin/cxx-opt+bumproot/osh mut
22 19 3 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 11 26.7 osh-native mut+alloc
31 17 14 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 11 27.3 osh-nosouffle mut+alloc
36 29 6 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 30 16 36.1 _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
104 100 4 3.3 bash -
213 162 51 56.8 bumpleak/osh mut
223 171 52 56.8 _bin/cxx-opt+bumproot/osh mut
241 177 64 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 190 69 48.8 osh-native mut+alloc
268 199 69 50.7 osh-native mut+alloc+free
225 171 54 9.2 osh-native mut+alloc+free+gc
227 182 45 8.9 osh-native mut+alloc+free+gc+exit
265 191 74 49.2 osh-nosouffle mut+alloc
275 195 80 51.3 osh-nosouffle mut+alloc+free
230 183 47 9.6 osh-nosouffle mut+alloc+free+gc
229 178 51 9.7 osh-nosouffle mut+alloc+free+gc+exit
284 197 87 65.5 _bin/cxx-opt+nopool/osh mut+alloc
264 213 51 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 4 5 3.8 dash -
16 8 9 4.7 bash -
16 10 7 3.9 zsh -
18 8 11 14.3 bumpleak/osh mut
19 10 10 13.7 _bin/cxx-opt+bumproot/osh mut
19 7 13 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.5 osh-native mut+alloc
21 11 11 11.8 osh-native mut+alloc+free
21 12 9 9.4 osh-native mut+alloc+free+gc
23 11 13 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 11.9 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 9 14 10.0 osh-nosouffle mut+alloc+free+gc
23 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 12 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 13 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc