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 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 137 25 63 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 162 33 77 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.9 102,780 180 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 2 2.8 8.1 572,104 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 226 0 4 11.6 8.9 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 232 0 4 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 9.6 117,208 277 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
7 6 1 1.7 dash -
13 11 2 3.4 bash -
91 56 43 3.5 zsh -
15 11 5 30.0 bumpleak/osh mut
17 14 3 29.0 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 21 5 25.4 osh-native mut+alloc
29 22 6 26.0 osh-native mut+alloc+free
32 25 7 18.1 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
31 22 9 26.2 osh-nosouffle mut+alloc+free
35 27 8 18.6 osh-nosouffle mut+alloc+free+gc
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 32.1 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 22.8 _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 41 1 3.4 bash -
342 197 168 3.7 zsh -
45 36 9 85.2 bumpleak/osh mut
52 38 14 85.6 _bin/cxx-opt+bumproot/osh mut
64 51 13 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 29 73.7 osh-native mut+alloc
94 61 33 75.6 osh-native mut+alloc+free
137 119 18 51.7 osh-native mut+alloc+free+gc
159 134 25 52.5 osh-native mut+alloc+free+gc+exit
94 53 41 74.3 osh-nosouffle mut+alloc
103 79 24 76.0 osh-nosouffle mut+alloc+free
162 138 24 52.0 osh-nosouffle mut+alloc+free+gc
152 127 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
130 86 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
205 170 35 73.2 _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 2 2 3.1 bash -
7 2 4 3.3 zsh -
6 4 2 12.5 bumpleak/osh mut
7 3 4 13.2 _bin/cxx-opt+bumproot/osh mut
8 4 3 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.4 osh-native mut+alloc
9 7 2 10.6 osh-native mut+alloc+free
10 7 3 8.9 osh-native mut+alloc+free+gc
9 6 4 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
10 9 1 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 7 4 11.8 _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
9 9 0 1.4 dash -
30 28 2 3.3 bash -
21 18 3 3.4 zsh -
17 13 4 31.6 bumpleak/osh mut
18 13 5 32.0 _bin/cxx-opt+bumproot/osh mut
22 13 8 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
32 16 15 27.1 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
33 21 12 27.4 osh-nosouffle mut+alloc
36 24 12 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 21 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 34 13 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
105 103 2 3.5 bash -
215 176 39 57.8 bumpleak/osh mut
226 169 57 56.3 _bin/cxx-opt+bumproot/osh mut
250 191 60 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
261 196 65 48.8 osh-native mut+alloc
277 199 78 50.9 osh-native mut+alloc+free
226 174 52 8.9 osh-native mut+alloc+free+gc
226 178 48 8.9 osh-native mut+alloc+free+gc+exit
271 187 84 49.4 osh-nosouffle mut+alloc
283 218 65 51.3 osh-nosouffle mut+alloc+free
232 189 43 9.6 osh-nosouffle mut+alloc+free+gc
229 184 46 9.6 osh-nosouffle mut+alloc+free+gc+exit
289 212 77 66.0 _bin/cxx-opt+nopool/osh mut+alloc
256 197 59 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
10 5 5 3.9 dash -
17 8 10 4.8 bash -
16 4 13 3.9 zsh -
19 8 12 13.2 bumpleak/osh mut
19 9 11 13.9 _bin/cxx-opt+bumproot/osh mut
20 13 8 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 5 11.7 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
21 11 11 9.6 osh-native mut+alloc+free+gc
22 12 10 9.7 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
25 12 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc