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 35 5 12 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 164 33 89 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 157 26 74 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 11 1 2 2.6 9.3 102,780 180 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 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 225 0 5 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 23 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
7 7 0 1.7 dash -
13 12 1 3.4 bash -
92 52 47 3.7 zsh -
16 11 5 29.8 bumpleak/osh mut
17 13 4 30.1 _bin/cxx-opt+bumproot/osh mut
19 17 2 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.7 osh-native mut+alloc
29 21 8 25.8 osh-native mut+alloc+free
35 27 8 18.1 osh-native mut+alloc+free+gc
36 31 5 18.1 osh-native mut+alloc+free+gc+exit
29 21 8 25.8 osh-nosouffle mut+alloc
31 16 14 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
36 27 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 32.6 _bin/cxx-opt+nopool/osh mut+alloc
63 50 13 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 -
43 42 1 3.4 bash -
330 176 179 3.7 zsh -
46 36 10 84.9 bumpleak/osh mut
49 38 11 85.5 _bin/cxx-opt+bumproot/osh mut
61 40 21 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 35 73.7 osh-native mut+alloc
94 64 30 75.5 osh-native mut+alloc+free
164 145 19 51.7 osh-native mut+alloc+free+gc
162 140 22 52.5 osh-native mut+alloc+free+gc+exit
95 61 34 74.1 osh-nosouffle mut+alloc
105 71 34 76.0 osh-nosouffle mut+alloc+free
157 138 19 52.1 osh-nosouffle mut+alloc+free+gc
165 148 17 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 83 44 98.0 _bin/cxx-opt+nopool/osh mut+alloc
240 203 37 73.8 _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 2 1 3.3 bash -
7 5 2 3.4 zsh -
6 3 3 12.7 bumpleak/osh mut
6 4 2 13.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 5 10.4 osh-native mut+alloc
9 3 6 10.7 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
10 7 3 9.0 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
10 6 4 11.0 osh-nosouffle mut+alloc+free
11 7 3 9.3 osh-nosouffle mut+alloc+free+gc
11 10 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 8 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
13 8 5 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 10 0 1.6 dash -
31 29 2 3.3 bash -
21 18 3 3.4 zsh -
18 11 7 32.3 bumpleak/osh mut
19 13 6 33.6 _bin/cxx-opt+bumproot/osh mut
21 14 7 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 14 27.0 osh-native mut+alloc
32 16 16 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
21 19 2 8.4 osh-native mut+alloc+free+gc+exit
34 19 15 27.4 osh-nosouffle mut+alloc
36 27 9 27.8 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.3 _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
104 102 2 3.4 bash -
214 164 50 56.8 bumpleak/osh mut
223 163 60 57.2 _bin/cxx-opt+bumproot/osh mut
244 172 72 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 195 65 48.8 osh-native mut+alloc
270 201 69 50.9 osh-native mut+alloc+free
225 171 54 9.2 osh-native mut+alloc+free+gc
224 169 56 9.0 osh-native mut+alloc+free+gc+exit
263 185 78 49.2 osh-nosouffle mut+alloc
275 212 64 51.3 osh-nosouffle mut+alloc+free
227 170 57 9.6 osh-nosouffle mut+alloc+free+gc
233 186 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 205 73 65.0 _bin/cxx-opt+nopool/osh mut+alloc
259 197 62 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
9 5 4 3.9 dash -
16 5 12 4.8 bash -
16 7 10 4.1 zsh -
20 8 12 13.0 bumpleak/osh mut
20 11 10 14.3 _bin/cxx-opt+bumproot/osh mut
21 8 14 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.5 osh-native mut+alloc
23 11 12 11.8 osh-native mut+alloc+free
22 13 10 9.4 osh-native mut+alloc+free+gc
23 14 11 9.6 osh-native mut+alloc+free+gc+exit
22 11 12 12.1 osh-nosouffle mut+alloc
24 13 11 12.2 osh-nosouffle mut+alloc+free
23 10 14 10.0 osh-nosouffle mut+alloc+free+gc
23 14 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc