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 36 3 9 12.0 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 164 25 75 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 8.4 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 182 0 4 10.6 8.7 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,282 478 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
7 6 0 1.6 dash -
23 23 0 3.1 bash -
106 64 49 3.5 zsh -
16 12 4 28.6 bumpleak/osh mut
20 8 12 28.9 _bin/cxx-opt+bumproot/osh mut
23 15 7 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
32 20 12 25.3 osh-native mut+alloc+free
36 27 8 17.8 osh-native mut+alloc+free+gc
39 39 0 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 39 12 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
22 17 4 1.6 dash -
78 73 4 3.3 bash -
388 214 198 3.4 zsh -
50 42 8 85.3 bumpleak/osh mut
61 53 8 84.7 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.3 osh-native mut+alloc
108 76 32 75.3 osh-native mut+alloc+free
164 136 28 51.4 osh-native mut+alloc+free+gc
174 154 20 52.2 osh-native mut+alloc+free+gc+exit
141 88 52 98.9 _bin/cxx-opt+nopool/osh mut+alloc
238 202 36 72.4 _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 1.4 dash -
6 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 0 6 10.8 bumpleak/osh mut
7 7 0 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.2 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
10 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.2 _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 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.3 zsh -
19 0 19 31.4 bumpleak/osh mut
26 15 11 33.0 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.5 osh-native mut+alloc
39 30 8 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
56 40 16 36.4 _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 64 8 3.0 bash -
167 99 68 54.5 bumpleak/osh mut
179 114 65 54.9 _bin/cxx-opt+bumproot/osh mut
194 129 64 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 119 91 47.1 osh-native mut+alloc
218 167 52 48.8 osh-native mut+alloc+free
182 142 39 8.7 osh-native mut+alloc+free+gc
181 128 52 8.8 osh-native mut+alloc+free+gc+exit
231 143 87 63.1 _bin/cxx-opt+nopool/osh mut+alloc
212 136 76 9.9 _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 8 2 3.5 dash -
20 19 2 4.3 bash -
18 16 3 3.5 zsh -
21 12 9 12.5 bumpleak/osh mut
20 15 6 12.3 _bin/cxx-opt+bumproot/osh mut
21 14 8 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
23 17 7 11.1 osh-native mut+alloc+free
22 12 11 8.9 osh-native mut+alloc+free+gc
23 15 8 8.7 osh-native mut+alloc+free+gc+exit
26 18 8 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 21 6 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc