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 33 4 11 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 141 26 67 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 144 25 62 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 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,259 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 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
7 7 0 1.7 dash -
13 11 2 3.3 bash -
90 52 46 3.5 zsh -
15 13 2 28.5 bumpleak/osh mut
16 11 5 29.7 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
33 28 5 18.2 osh-native mut+alloc+free+gc
33 23 9 18.3 osh-native mut+alloc+free+gc+exit
28 17 11 25.8 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
36 33 2 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 33.1 _bin/cxx-opt+nopool/osh mut+alloc
45 36 9 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 39 3 3.5 bash -
320 174 167 3.7 zsh -
45 32 13 85.6 bumpleak/osh mut
48 40 9 85.6 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 52 31 73.8 osh-native mut+alloc
91 62 29 75.3 osh-native mut+alloc+free
141 119 21 51.6 osh-native mut+alloc+free+gc
146 121 25 52.4 osh-native mut+alloc+free+gc+exit
92 66 26 74.1 osh-nosouffle mut+alloc
99 69 30 75.9 osh-nosouffle mut+alloc+free
144 128 16 52.1 osh-nosouffle mut+alloc+free+gc
151 129 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 79 47 99.4 _bin/cxx-opt+nopool/osh mut+alloc
200 165 35 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 1 1 1.7 dash -
4 2 1 3.1 bash -
7 5 1 3.5 zsh -
6 4 2 11.6 bumpleak/osh mut
6 4 2 12.9 _bin/cxx-opt+bumproot/osh mut
7 5 2 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
10 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 5 3 10.9 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 9 1 9.0 osh-nosouffle mut+alloc+free+gc
10 6 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 11 1 9.6 _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 8 1 1.4 dash -
32 31 1 3.3 bash -
21 15 6 3.4 zsh -
16 13 3 33.5 bumpleak/osh mut
18 15 4 33.2 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 13 26.9 osh-native mut+alloc
30 23 7 27.3 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
34 18 16 27.4 osh-nosouffle mut+alloc
35 27 8 27.8 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 31 14 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 9.8 _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
105 97 7 3.4 bash -
211 150 61 57.1 bumpleak/osh mut
220 164 56 56.4 _bin/cxx-opt+bumproot/osh mut
257 192 65 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 187 68 48.8 osh-native mut+alloc
265 193 73 50.6 osh-native mut+alloc+free
222 174 48 8.9 osh-native mut+alloc+free+gc
220 167 53 9.0 osh-native mut+alloc+free+gc+exit
260 188 73 49.4 osh-nosouffle mut+alloc
272 201 71 51.1 osh-nosouffle mut+alloc+free
227 183 44 9.4 osh-nosouffle mut+alloc+free+gc
226 178 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 194 83 64.4 _bin/cxx-opt+nopool/osh mut+alloc
251 213 38 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 3.9 dash -
16 6 10 4.8 bash -
16 8 8 4.1 zsh -
17 10 8 14.1 bumpleak/osh mut
18 9 10 12.7 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc