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 18.4 471,252 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 133 23 59 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 150 24 66 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 8.7 102,780 180 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 2 2.8 8.4 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,272 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,271 277 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 7 0 1.7 dash -
13 12 1 3.4 bash -
89 46 49 3.5 zsh -
16 11 5 28.5 bumpleak/osh mut
16 14 2 29.0 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 6 25.4 osh-native mut+alloc
28 15 13 25.8 osh-native mut+alloc+free
32 23 9 18.4 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
29 15 13 26.0 osh-nosouffle mut+alloc
30 23 7 26.3 osh-nosouffle mut+alloc+free
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 18 22 32.2 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 22.5 _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 1.6 dash -
42 39 3 3.4 bash -
326 168 181 3.8 zsh -
43 34 9 86.0 bumpleak/osh mut
48 40 8 85.4 _bin/cxx-opt+bumproot/osh mut
60 50 10 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 56 27 73.7 osh-native mut+alloc
93 61 32 75.6 osh-native mut+alloc+free
133 109 24 51.7 osh-native mut+alloc+free+gc
136 110 26 52.3 osh-native mut+alloc+free+gc+exit
92 64 28 74.1 osh-nosouffle mut+alloc
100 61 40 76.0 osh-nosouffle mut+alloc+free
150 128 22 52.1 osh-nosouffle mut+alloc+free+gc
154 127 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 79 49 99.0 _bin/cxx-opt+nopool/osh mut+alloc
194 168 26 72.1 _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 2 4 3.4 zsh -
6 3 3 13.0 bumpleak/osh mut
6 2 4 12.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 1 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 3 6 10.9 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 3 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 1.6 dash -
31 30 1 3.1 bash -
21 18 3 3.3 zsh -
16 12 4 33.8 bumpleak/osh mut
18 14 4 33.6 _bin/cxx-opt+bumproot/osh mut
20 13 7 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 27.1 osh-native mut+alloc
31 22 9 27.3 osh-native mut+alloc+free
20 20 0 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.5 osh-nosouffle mut+alloc
36 20 15 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.6 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 10.0 _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
106 102 4 3.5 bash -
211 153 58 56.9 bumpleak/osh mut
220 167 53 57.4 _bin/cxx-opt+bumproot/osh mut
238 177 61 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 187 66 48.9 osh-native mut+alloc
262 193 69 50.7 osh-native mut+alloc+free
220 171 49 9.0 osh-native mut+alloc+free+gc
221 173 48 9.0 osh-native mut+alloc+free+gc+exit
263 184 79 49.2 osh-nosouffle mut+alloc
269 209 60 51.2 osh-nosouffle mut+alloc+free
228 183 44 9.4 osh-nosouffle mut+alloc+free+gc
228 189 38 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 206 73 65.5 _bin/cxx-opt+nopool/osh mut+alloc
254 209 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 5 4 3.9 dash -
16 8 8 4.8 bash -
15 6 9 3.9 zsh -
17 7 11 12.5 bumpleak/osh mut
17 9 9 12.5 _bin/cxx-opt+bumproot/osh mut
18 7 12 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 14 11.4 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 10 10 9.4 osh-native mut+alloc+free+gc
21 12 9 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.2 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 14 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc