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 4 10 12.0 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 157 24 69 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.7 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 478 3 85,370 1 42,685 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 23 0 3.1 bash -
105 55 56 3.4 zsh -
17 16 0 29.8 bumpleak/osh mut
20 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.2 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 32 4 17.7 osh-native mut+alloc+free+gc
38 34 4 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 32.6 _bin/cxx-opt+nopool/osh mut+alloc
49 34 15 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 21 0 1.6 dash -
77 77 0 3.3 bash -
377 203 196 3.5 zsh -
50 41 8 84.9 bumpleak/osh mut
63 43 20 85.2 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 27 73.4 osh-native mut+alloc
106 83 24 75.3 osh-native mut+alloc+free
157 137 20 49.9 osh-native mut+alloc+free+gc
162 138 24 50.6 osh-native mut+alloc+free+gc+exit
139 83 56 97.9 _bin/cxx-opt+nopool/osh mut+alloc
217 189 27 67.7 _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 1.3 dash -
6 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 11.1 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.0 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 5 5 8.7 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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
10 10 0 1.4 dash -
29 25 4 2.9 bash -
24 24 0 3.4 zsh -
19 8 11 30.9 bumpleak/osh mut
26 18 7 32.2 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
40 28 12 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
55 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 27 11 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 56 16 3.1 bash -
168 120 48 54.2 bumpleak/osh mut
180 135 44 55.1 _bin/cxx-opt+bumproot/osh mut
193 130 63 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 143 67 46.9 osh-native mut+alloc
217 153 64 48.7 osh-native mut+alloc+free
179 107 72 8.8 osh-native mut+alloc+free+gc
179 107 72 8.8 osh-native mut+alloc+free+gc+exit
234 146 87 62.8 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 6 4 3.4 dash -
19 13 7 4.5 bash -
18 16 2 3.5 zsh -
18 12 6 11.3 bumpleak/osh mut
20 11 9 13.7 _bin/cxx-opt+bumproot/osh mut
21 13 8 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
22 14 9 11.1 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
23 14 9 8.9 osh-native mut+alloc+free+gc+exit
25 22 3 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 14 14 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc