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 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 138 26 65 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 144 25 61 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 8.5 102,780 180 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 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,246 277 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 1.6 dash -
13 13 0 3.3 bash -
87 51 42 3.5 zsh -
15 11 4 30.0 bumpleak/osh mut
16 10 6 28.9 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.6 osh-native mut+alloc
28 20 8 26.0 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
32 21 11 18.2 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
33 25 8 18.6 osh-nosouffle mut+alloc+free+gc
35 30 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 32.7 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 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 23 0 1.7 dash -
43 42 1 3.4 bash -
321 172 170 3.7 zsh -
45 35 10 85.2 bumpleak/osh mut
48 37 11 86.0 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.7 osh-native mut+alloc
93 57 36 75.5 osh-native mut+alloc+free
138 115 23 51.9 osh-native mut+alloc+free+gc
140 119 21 52.4 osh-native mut+alloc+free+gc+exit
91 62 29 74.1 osh-nosouffle mut+alloc
101 63 38 76.0 osh-nosouffle mut+alloc+free
144 114 30 52.1 osh-nosouffle mut+alloc+free+gc
150 129 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 85 41 99.1 _bin/cxx-opt+nopool/osh mut+alloc
215 183 32 72.4 _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 1.7 dash -
4 3 1 3.3 bash -
6 3 3 3.3 zsh -
6 5 1 12.5 bumpleak/osh mut
6 3 3 13.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 3 5 10.9 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 10.9 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 -
32 31 1 3.4 bash -
21 18 3 3.5 zsh -
17 10 8 32.8 bumpleak/osh mut
19 14 5 33.3 _bin/cxx-opt+bumproot/osh mut
21 11 10 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 27.0 osh-native mut+alloc
30 19 11 27.3 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 20 0 8.1 osh-native mut+alloc+free+gc+exit
35 22 13 27.5 osh-nosouffle mut+alloc
36 24 12 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 31 15 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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 99 4 3.5 bash -
214 149 65 56.0 bumpleak/osh mut
222 171 51 56.0 _bin/cxx-opt+bumproot/osh mut
236 176 60 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 184 71 48.8 osh-native mut+alloc
264 197 67 50.7 osh-native mut+alloc+free
221 159 62 9.2 osh-native mut+alloc+free+gc
221 171 50 9.0 osh-native mut+alloc+free+gc+exit
262 190 72 49.4 osh-nosouffle mut+alloc
270 192 78 51.2 osh-nosouffle mut+alloc+free
226 177 49 9.6 osh-nosouffle mut+alloc+free+gc
229 175 54 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 196 81 65.4 _bin/cxx-opt+nopool/osh mut+alloc
250 185 65 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 4 5 3.9 dash -
16 7 9 4.6 bash -
15 7 9 3.9 zsh -
18 6 13 13.0 bumpleak/osh mut
17 8 9 12.6 _bin/cxx-opt+bumproot/osh mut
20 12 9 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
20 12 9 11.7 osh-native mut+alloc+free
21 9 12 9.3 osh-native mut+alloc+free+gc
21 12 9 9.4 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
22 8 14 12.2 osh-nosouffle mut+alloc+free
21 17 5 10.0 osh-nosouffle mut+alloc+free+gc
23 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc