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 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 138 25 66 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 156 26 72 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 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 1 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.7 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,246 277 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 6 1 1.7 dash -
13 12 1 3.3 bash -
89 53 43 3.5 zsh -
15 12 3 29.7 bumpleak/osh mut
16 12 4 29.3 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 6 25.4 osh-native mut+alloc
27 18 10 25.8 osh-native mut+alloc+free
32 26 6 18.0 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
29 16 13 25.8 osh-nosouffle mut+alloc
31 26 5 26.3 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.3 _bin/cxx-opt+nopool/osh mut+alloc
66 45 21 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 22 1 1.7 dash -
42 40 2 3.4 bash -
329 185 167 3.7 zsh -
45 34 11 85.2 bumpleak/osh mut
48 40 8 85.9 _bin/cxx-opt+bumproot/osh mut
59 47 11 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 51 30 73.7 osh-native mut+alloc
91 51 40 75.4 osh-native mut+alloc+free
138 119 19 51.7 osh-native mut+alloc+free+gc
155 137 18 52.4 osh-native mut+alloc+free+gc+exit
93 62 31 74.1 osh-nosouffle mut+alloc
101 57 45 75.9 osh-nosouffle mut+alloc+free
156 126 30 52.1 osh-nosouffle mut+alloc+free+gc
158 137 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 73 55 98.3 _bin/cxx-opt+nopool/osh mut+alloc
216 185 31 72.7 _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 2 4 3.4 zsh -
6 3 3 11.6 bumpleak/osh mut
6 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
7 5 1 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
10 6 4 8.7 osh-native mut+alloc+free+gc
10 5 5 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 5 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.7 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 0 1.6 dash -
31 29 2 3.3 bash -
21 17 4 3.4 zsh -
17 12 5 31.7 bumpleak/osh mut
18 16 3 32.7 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.9 osh-native mut+alloc
30 18 12 27.3 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
20 17 4 8.1 osh-native mut+alloc+free+gc+exit
34 24 9 27.5 osh-nosouffle mut+alloc
35 23 12 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 16 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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 95 8 3.5 bash -
215 155 59 56.5 bumpleak/osh mut
222 169 53 57.4 _bin/cxx-opt+bumproot/osh mut
238 188 50 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 196 61 48.9 osh-native mut+alloc
263 190 73 50.7 osh-native mut+alloc+free
223 179 44 8.9 osh-native mut+alloc+free+gc
226 165 61 9.2 osh-native mut+alloc+free+gc+exit
262 203 58 49.3 osh-nosouffle mut+alloc
268 198 70 51.1 osh-nosouffle mut+alloc+free
228 183 45 9.7 osh-nosouffle mut+alloc+free+gc
228 174 54 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 213 68 65.8 _bin/cxx-opt+nopool/osh mut+alloc
253 195 58 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 6 3.9 dash -
16 6 10 4.8 bash -
15 8 8 3.9 zsh -
17 8 10 12.3 bumpleak/osh mut
17 8 10 13.9 _bin/cxx-opt+bumproot/osh mut
19 11 9 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 5 15 11.7 osh-native mut+alloc
21 12 10 11.7 osh-native mut+alloc+free
20 11 9 9.4 osh-native mut+alloc+free+gc
22 12 10 9.7 osh-native mut+alloc+free+gc+exit
21 9 12 11.9 osh-nosouffle mut+alloc
22 13 9 12.2 osh-nosouffle mut+alloc+free
22 8 14 10.1 osh-nosouffle mut+alloc+free+gc
23 13 11 9.8 osh-nosouffle mut+alloc+free+gc+exit
23 13 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc