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 137 24 62 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 144 24 61 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 9.2 102,780 180 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 25 0 1 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,208 277 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 6 0 1.7 dash -
13 12 1 3.3 bash -
88 48 46 3.5 zsh -
15 10 4 29.7 bumpleak/osh mut
16 12 4 30.2 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 11 25.4 osh-native mut+alloc
28 13 15 25.8 osh-native mut+alloc+free
31 23 8 18.1 osh-native mut+alloc+free+gc
32 22 10 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 26 12 33.4 _bin/cxx-opt+nopool/osh mut+alloc
45 32 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 23 0 1.7 dash -
42 39 3 3.3 bash -
324 193 156 3.7 zsh -
44 36 8 86.6 bumpleak/osh mut
49 41 8 85.4 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 57 27 73.8 osh-native mut+alloc
93 64 29 75.5 osh-native mut+alloc+free
137 111 26 51.7 osh-native mut+alloc+free+gc
145 122 23 52.2 osh-native mut+alloc+free+gc+exit
93 57 36 74.1 osh-nosouffle mut+alloc
102 61 41 75.8 osh-nosouffle mut+alloc+free
144 125 19 52.0 osh-nosouffle mut+alloc+free+gc
148 131 17 53.1 osh-nosouffle mut+alloc+free+gc+exit
124 74 50 98.5 _bin/cxx-opt+nopool/osh mut+alloc
206 169 37 74.6 _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 1.6 dash -
4 3 1 3.1 bash -
6 3 3 3.4 zsh -
6 4 2 13.2 bumpleak/osh mut
6 1 5 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.4 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 4 4 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 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 10 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
10 10 0 1.4 dash -
31 29 1 3.3 bash -
21 12 9 3.4 zsh -
16 12 5 33.6 bumpleak/osh mut
18 14 5 32.8 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 26.9 osh-native mut+alloc
30 19 11 27.1 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 26 9 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
44 25 20 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
106 103 3 3.4 bash -
211 160 51 55.8 bumpleak/osh mut
221 165 56 57.1 _bin/cxx-opt+bumproot/osh mut
238 169 69 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 191 63 48.8 osh-native mut+alloc
263 193 70 50.7 osh-native mut+alloc+free
221 164 57 9.0 osh-native mut+alloc+free+gc
222 182 39 9.0 osh-native mut+alloc+free+gc+exit
263 207 55 49.4 osh-nosouffle mut+alloc
277 204 74 51.3 osh-nosouffle mut+alloc+free
227 180 47 9.7 osh-nosouffle mut+alloc+free+gc
228 184 44 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 177 100 65.1 _bin/cxx-opt+nopool/osh mut+alloc
250 201 49 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 5 5 3.9 dash -
16 8 8 4.8 bash -
15 7 9 4.1 zsh -
18 13 5 12.9 bumpleak/osh mut
17 7 11 12.4 _bin/cxx-opt+bumproot/osh mut
18 9 9 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.7 osh-native mut+alloc
20 9 11 11.7 osh-native mut+alloc+free
20 10 10 9.4 osh-native mut+alloc+free+gc
21 9 12 9.7 osh-native mut+alloc+free+gc+exit
20 7 13 12.2 osh-nosouffle mut+alloc
21 8 14 12.2 osh-nosouffle mut+alloc+free
21 8 13 10.1 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 12 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc