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 18.5 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 143 27 71 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 156 27 73 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 8.9 102,780 180 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 222 0 4 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 21 1 2 3.0 9.6 117,247 277 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
6 6 0 1.6 dash -
13 12 1 3.1 bash -
90 54 42 3.4 zsh -
16 10 5 30.6 bumpleak/osh mut
16 12 5 28.9 _bin/cxx-opt+bumproot/osh mut
20 15 5 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 12 14 25.6 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 23 10 18.5 osh-native mut+alloc+free+gc
34 27 7 18.4 osh-native mut+alloc+free+gc+exit
28 22 6 26.0 osh-nosouffle mut+alloc
30 19 11 26.3 osh-nosouffle mut+alloc+free
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc
35 24 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 32.3 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 22.7 _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 41 1 3.4 bash -
330 189 164 3.7 zsh -
44 35 9 86.0 bumpleak/osh mut
48 36 12 85.6 _bin/cxx-opt+bumproot/osh mut
59 44 15 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 53 32 73.7 osh-native mut+alloc
91 62 29 75.5 osh-native mut+alloc+free
143 119 24 51.7 osh-native mut+alloc+free+gc
149 125 23 52.3 osh-native mut+alloc+free+gc+exit
91 56 35 74.1 osh-nosouffle mut+alloc
100 66 34 75.9 osh-nosouffle mut+alloc+free
156 138 18 52.1 osh-nosouffle mut+alloc+free+gc
159 136 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 85 39 98.2 _bin/cxx-opt+nopool/osh mut+alloc
214 183 31 73.4 _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 4 3.4 zsh -
6 2 4 11.6 bumpleak/osh mut
6 4 2 11.9 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 3 6 10.6 osh-native mut+alloc+free
10 5 4 8.9 osh-native mut+alloc+free+gc
9 8 2 8.7 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.5 _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 8 2 1.6 dash -
31 30 1 3.3 bash -
21 19 2 3.4 zsh -
17 14 3 33.6 bumpleak/osh mut
18 12 6 33.8 _bin/cxx-opt+bumproot/osh mut
21 12 8 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 27.0 osh-native mut+alloc
31 19 11 27.3 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.5 osh-nosouffle mut+alloc
36 21 15 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 31 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
31 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
103 99 4 3.5 bash -
214 159 55 57.6 bumpleak/osh mut
221 164 57 56.7 _bin/cxx-opt+bumproot/osh mut
238 183 55 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 185 70 48.8 osh-native mut+alloc
267 188 78 50.9 osh-native mut+alloc+free
222 167 55 9.2 osh-native mut+alloc+free+gc
224 173 51 8.9 osh-native mut+alloc+free+gc+exit
259 187 72 49.1 osh-nosouffle mut+alloc
271 203 68 51.1 osh-nosouffle mut+alloc+free
227 186 41 9.6 osh-nosouffle mut+alloc+free+gc
228 183 45 9.4 osh-nosouffle mut+alloc+free+gc+exit
277 205 72 64.0 _bin/cxx-opt+nopool/osh mut+alloc
252 205 48 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 4 5 3.9 dash -
17 7 10 4.7 bash -
16 5 11 3.9 zsh -
19 9 10 13.2 bumpleak/osh mut
18 6 12 12.6 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.5 osh-native mut+alloc
21 5 16 11.5 osh-native mut+alloc+free
21 10 12 9.6 osh-native mut+alloc+free+gc
22 11 11 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.2 osh-nosouffle mut+alloc
22 11 13 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc
23 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc