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 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 141 26 67 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 165 27 80 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 8.1 572,104 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 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 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 9.4 117,208 277 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 5 1 1.7 dash -
13 10 2 3.4 bash -
91 55 42 3.7 zsh -
15 11 4 29.8 bumpleak/osh mut
16 11 5 30.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.6 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 21 11 18.5 osh-native mut+alloc+free+gc+exit
28 20 8 26.1 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
35 27 9 18.6 osh-nosouffle mut+alloc+free+gc
37 31 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
49 35 13 22.4 _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 41 1 3.5 bash -
322 174 171 3.7 zsh -
45 35 10 85.4 bumpleak/osh mut
49 37 12 85.1 _bin/cxx-opt+bumproot/osh mut
58 48 10 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 36 73.7 osh-native mut+alloc
94 61 33 75.5 osh-native mut+alloc+free
141 114 27 51.6 osh-native mut+alloc+free+gc
144 122 22 52.4 osh-native mut+alloc+free+gc+exit
92 53 39 74.1 osh-nosouffle mut+alloc
101 56 45 75.9 osh-nosouffle mut+alloc+free
165 138 27 52.0 osh-nosouffle mut+alloc+free+gc
159 137 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 76 50 98.8 _bin/cxx-opt+nopool/osh mut+alloc
202 161 41 74.3 _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 3.3 bash -
6 3 4 3.4 zsh -
6 2 4 11.8 bumpleak/osh mut
6 3 3 13.2 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 1 7 10.6 osh-native mut+alloc
8 4 5 10.5 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 6 4 11.3 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 6 9.4 _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 1 1.7 dash -
30 29 1 3.3 bash -
22 18 4 3.5 zsh -
19 13 6 33.3 bumpleak/osh mut
18 12 6 33.9 _bin/cxx-opt+bumproot/osh mut
25 18 7 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 17 26.7 osh-native mut+alloc
31 17 13 27.1 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
34 20 13 27.3 osh-nosouffle mut+alloc
36 23 13 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
103 100 3 3.5 bash -
212 162 49 57.5 bumpleak/osh mut
220 166 54 57.5 _bin/cxx-opt+bumproot/osh mut
238 199 39 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 193 65 48.8 osh-native mut+alloc
266 185 78 50.6 osh-native mut+alloc+free
221 164 57 9.2 osh-native mut+alloc+free+gc
221 173 48 9.0 osh-native mut+alloc+free+gc+exit
264 188 76 49.3 osh-nosouffle mut+alloc
272 191 80 51.1 osh-nosouffle mut+alloc+free
228 186 42 9.6 osh-nosouffle mut+alloc+free+gc
228 179 50 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 187 93 65.1 _bin/cxx-opt+nopool/osh mut+alloc
251 205 46 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 7 4.1 dash -
16 7 9 5.0 bash -
16 9 7 3.9 zsh -
18 9 9 12.5 bumpleak/osh mut
18 11 8 14.2 _bin/cxx-opt+bumproot/osh mut
19 7 13 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.2 osh-nosouffle mut+alloc
22 8 15 12.3 osh-nosouffle mut+alloc+free
22 12 11 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc