Memory Management Overhead

Source code: oil/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 37 4 11 12.0 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 155 24 67 46.1 51.4 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.5 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 23 1 2 2.8 8.7 116,282 478 3 85,330 1 42,665 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
24 23 0 3.0 bash -
104 61 50 3.5 zsh -
17 8 8 28.3 bumpleak/osh mut
19 12 8 29.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
37 29 8 17.8 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
44 36 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 22.0 _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
21 21 0 1.4 dash -
78 78 0 3.3 bash -
376 241 156 3.5 zsh -
50 38 12 85.7 bumpleak/osh mut
59 48 12 84.5 _bin/cxx-opt+bumproot/osh mut
74 70 4 84.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.4 osh-native mut+alloc
107 75 32 75.1 osh-native mut+alloc+free
155 123 32 51.4 osh-native mut+alloc+free+gc
157 116 40 52.2 osh-native mut+alloc+free+gc+exit
140 92 48 97.6 _bin/cxx-opt+nopool/osh mut+alloc
229 180 48 73.6 _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 2 0 1.4 dash -
6 3 3 2.9 bash -
8 0 7 3.3 zsh -
6 0 6 11.0 bumpleak/osh mut
7 0 7 12.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 10 0 1.6 dash -
29 29 0 3.0 bash -
24 20 4 3.3 zsh -
20 4 16 31.9 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 11 18 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
27 23 4 7.9 osh-native mut+alloc+free+gc+exit
54 34 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _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
73 61 12 3.1 bash -
166 115 51 55.6 bumpleak/osh mut
179 127 52 55.7 _bin/cxx-opt+bumproot/osh mut
193 153 40 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 124 84 47.1 osh-native mut+alloc
219 147 71 48.7 osh-native mut+alloc+free
180 132 48 8.7 osh-native mut+alloc+free+gc
180 128 52 8.8 osh-native mut+alloc+free+gc+exit
230 141 89 62.9 _bin/cxx-opt+nopool/osh mut+alloc
207 139 67 10.1 _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
10 10 0 3.5 dash -
20 10 10 4.3 bash -
17 13 5 3.4 zsh -
19 17 2 11.4 bumpleak/osh mut
19 14 5 11.8 _bin/cxx-opt+bumproot/osh mut
21 13 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 7 15 10.9 osh-native mut+alloc
23 17 7 11.0 osh-native mut+alloc+free
23 17 7 8.7 osh-native mut+alloc+free+gc
24 19 5 8.8 osh-native mut+alloc+free+gc+exit
25 22 4 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 20 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc