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 34 4 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 151 28 76 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 158 27 74 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 2 2.8 8.1 572,104 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 229 0 4 11.6 9.4 990,249 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 5 2 1.6 dash -
13 12 1 3.3 bash -
91 52 46 3.5 zsh -
15 11 4 30.3 bumpleak/osh mut
16 13 3 29.1 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
28 19 8 26.0 osh-native mut+alloc+free
32 23 9 18.1 osh-native mut+alloc+free+gc
33 28 5 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
35 22 13 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.7 _bin/cxx-opt+nopool/osh mut+alloc
45 33 12 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 20 3 1.6 dash -
42 41 1 3.4 bash -
327 192 158 3.7 zsh -
45 36 9 85.8 bumpleak/osh mut
47 41 7 84.9 _bin/cxx-opt+bumproot/osh mut
59 44 15 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
87 52 35 73.8 osh-native mut+alloc
92 61 31 75.6 osh-native mut+alloc+free
151 132 19 51.7 osh-native mut+alloc+free+gc
154 129 25 52.4 osh-native mut+alloc+free+gc+exit
92 67 25 74.1 osh-nosouffle mut+alloc
100 64 36 75.9 osh-nosouffle mut+alloc+free
158 136 22 52.1 osh-nosouffle mut+alloc+free+gc
165 138 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 80 47 98.8 _bin/cxx-opt+nopool/osh mut+alloc
220 189 31 74.1 _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 2 0 1.6 dash -
4 4 0 3.1 bash -
6 5 1 3.5 zsh -
6 3 3 12.9 bumpleak/osh mut
6 2 4 11.4 _bin/cxx-opt+bumproot/osh mut
8 2 6 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 4 5 8.8 osh-native mut+alloc+free+gc
9 9 0 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.1 osh-nosouffle mut+alloc
9 3 6 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 1.4 dash -
30 29 1 3.3 bash -
21 13 8 3.5 zsh -
18 14 4 33.2 bumpleak/osh mut
19 12 7 33.2 _bin/cxx-opt+bumproot/osh mut
22 20 2 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.7 osh-native mut+alloc
32 14 17 27.1 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 15 5 8.3 osh-native mut+alloc+free+gc+exit
34 21 13 27.3 osh-nosouffle mut+alloc
36 25 11 27.5 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 30 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 9.7 _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 99 5 3.5 bash -
213 184 29 57.7 bumpleak/osh mut
222 170 52 57.5 _bin/cxx-opt+bumproot/osh mut
237 181 57 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 180 78 48.8 osh-native mut+alloc
266 190 75 50.9 osh-native mut+alloc+free
221 175 46 9.0 osh-native mut+alloc+free+gc
223 175 48 9.0 osh-native mut+alloc+free+gc+exit
262 196 66 49.3 osh-nosouffle mut+alloc
267 186 81 51.3 osh-nosouffle mut+alloc+free
229 189 40 9.4 osh-nosouffle mut+alloc+free+gc
228 184 44 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 196 83 66.0 _bin/cxx-opt+nopool/osh mut+alloc
255 201 54 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 9 7 4.7 bash -
16 10 7 3.9 zsh -
18 9 10 13.0 bumpleak/osh mut
19 6 14 13.4 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.5 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
21 9 12 9.4 osh-native mut+alloc+free+gc
22 13 9 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
22 10 12 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc