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 18.2 471,252 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 141 28 67 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 147 27 63 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 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,250 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 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,207 277 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 4 2 1.7 dash -
13 12 1 3.4 bash -
89 51 45 3.5 zsh -
15 10 5 30.7 bumpleak/osh mut
16 10 6 29.2 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 25.6 osh-native mut+alloc
27 16 11 26.0 osh-native mut+alloc+free
31 21 10 18.2 osh-native mut+alloc+free+gc
32 23 9 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 20 10 26.5 osh-nosouffle mut+alloc+free
34 22 12 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 32.7 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 22 1 1.7 dash -
42 38 4 3.4 bash -
327 184 164 3.8 zsh -
44 35 9 84.4 bumpleak/osh mut
48 40 8 86.4 _bin/cxx-opt+bumproot/osh mut
59 49 10 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 58 28 73.7 osh-native mut+alloc
94 63 31 75.5 osh-native mut+alloc+free
141 113 28 51.9 osh-native mut+alloc+free+gc
141 120 20 52.4 osh-native mut+alloc+free+gc+exit
94 65 29 74.1 osh-nosouffle mut+alloc
103 71 32 75.8 osh-nosouffle mut+alloc+free
147 126 21 52.1 osh-nosouffle mut+alloc+free+gc
149 125 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
129 94 34 97.4 _bin/cxx-opt+nopool/osh mut+alloc
196 165 31 72.6 _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 1 1 1.6 dash -
4 2 2 3.1 bash -
7 3 4 3.3 zsh -
6 3 2 12.6 bumpleak/osh mut
6 4 2 12.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 6 3 10.6 osh-native mut+alloc+free
9 7 2 8.8 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 5 4 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 9 0 1.6 dash -
31 30 1 3.1 bash -
21 15 6 3.3 zsh -
16 11 5 33.7 bumpleak/osh mut
18 13 5 32.9 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 20 0 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.4 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 23 22 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
105 102 3 3.4 bash -
211 152 59 57.7 bumpleak/osh mut
222 182 40 57.2 _bin/cxx-opt+bumproot/osh mut
242 188 54 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 184 73 48.8 osh-native mut+alloc
265 190 75 50.7 osh-native mut+alloc+free
222 170 52 9.0 osh-native mut+alloc+free+gc
222 177 45 9.0 osh-native mut+alloc+free+gc+exit
268 200 68 49.3 osh-nosouffle mut+alloc
272 203 68 51.3 osh-nosouffle mut+alloc+free
229 182 47 9.6 osh-nosouffle mut+alloc+free+gc
229 180 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 188 91 65.1 _bin/cxx-opt+nopool/osh mut+alloc
251 206 45 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 3.9 dash -
16 8 9 4.6 bash -
16 7 9 3.9 zsh -
17 9 9 12.7 bumpleak/osh mut
18 8 11 12.8 _bin/cxx-opt+bumproot/osh mut
18 9 9 14.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 11.9 osh-nosouffle mut+alloc
21 8 14 12.1 osh-nosouffle mut+alloc+free
21 16 6 10.1 osh-nosouffle mut+alloc+free+gc
22 12 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc