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 34 4 12 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 163 30 87 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 159 26 74 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 8.8 102,780 180 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 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 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 9.3 117,208 277 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
6 6 0 1.7 dash -
13 13 0 3.3 bash -
90 49 48 3.5 zsh -
16 11 5 29.0 bumpleak/osh mut
16 13 3 29.9 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
29 15 13 26.0 osh-native mut+alloc+free
34 27 7 18.2 osh-native mut+alloc+free+gc
35 26 9 18.2 osh-native mut+alloc+free+gc+exit
29 23 5 26.0 osh-nosouffle mut+alloc
31 20 11 26.2 osh-nosouffle mut+alloc+free
36 32 4 18.7 osh-nosouffle mut+alloc+free+gc
37 28 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 22 16 32.5 _bin/cxx-opt+nopool/osh mut+alloc
48 37 11 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 40 2 3.5 bash -
333 176 181 3.8 zsh -
45 32 13 86.4 bumpleak/osh mut
48 39 10 86.4 _bin/cxx-opt+bumproot/osh mut
59 47 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 35 73.5 osh-native mut+alloc
92 52 39 75.6 osh-native mut+alloc+free
163 140 23 51.7 osh-native mut+alloc+free+gc
163 144 19 52.5 osh-native mut+alloc+free+gc+exit
93 56 37 74.1 osh-nosouffle mut+alloc
102 64 37 76.0 osh-nosouffle mut+alloc+free
159 132 27 52.0 osh-nosouffle mut+alloc+free+gc
165 136 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 78 51 97.9 _bin/cxx-opt+nopool/osh mut+alloc
223 184 39 72.6 _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 1 1 1.6 dash -
4 4 0 3.3 bash -
7 6 1 3.4 zsh -
6 5 1 12.8 bumpleak/osh mut
6 5 1 11.4 _bin/cxx-opt+bumproot/osh mut
7 6 1 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
10 6 4 8.8 osh-native mut+alloc+free+gc
10 5 5 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
10 3 7 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
11 9 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 6 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
9 9 1 1.6 dash -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
17 12 5 33.5 bumpleak/osh mut
19 14 5 33.1 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
31 17 14 27.1 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
34 21 13 27.4 osh-nosouffle mut+alloc
36 27 9 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
26 24 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 33 14 36.2 _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
104 99 5 3.4 bash -
212 157 55 56.6 bumpleak/osh mut
221 172 49 57.9 _bin/cxx-opt+bumproot/osh mut
240 170 70 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 191 71 48.9 osh-native mut+alloc
269 192 77 50.6 osh-native mut+alloc+free
223 169 54 9.2 osh-native mut+alloc+free+gc
226 186 40 9.0 osh-native mut+alloc+free+gc+exit
262 197 65 49.3 osh-nosouffle mut+alloc
273 195 78 51.4 osh-nosouffle mut+alloc+free
227 194 33 9.6 osh-nosouffle mut+alloc+free+gc
230 189 41 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 202 80 65.8 _bin/cxx-opt+nopool/osh mut+alloc
270 220 50 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 3.8 dash -
16 9 8 5.0 bash -
16 7 10 3.9 zsh -
19 7 13 13.4 bumpleak/osh mut
18 7 11 12.3 _bin/cxx-opt+bumproot/osh mut
19 13 7 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.5 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
21 14 8 9.3 osh-native mut+alloc+free+gc
22 14 9 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.2 osh-nosouffle mut+alloc
23 12 12 12.2 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 15 9 10.0 osh-nosouffle mut+alloc+free+gc+exit
24 13 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
26 13 13 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc