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 9 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 148 25 60 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 1 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,244 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
7 7 0 1.6 dash -
23 23 0 3.0 bash -
105 55 56 3.4 zsh -
16 16 0 27.9 bumpleak/osh mut
19 15 4 29.6 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.0 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 23 20 31.9 _bin/cxx-opt+nopool/osh mut+alloc
49 36 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
21 18 4 1.4 dash -
78 74 4 3.1 bash -
379 199 201 3.5 zsh -
48 40 8 85.3 bumpleak/osh mut
59 51 8 84.5 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 68 32 73.3 osh-native mut+alloc
108 92 16 75.3 osh-native mut+alloc+free
148 128 20 49.9 osh-native mut+alloc+free+gc
157 129 28 50.6 osh-native mut+alloc+free+gc+exit
147 111 36 99.2 _bin/cxx-opt+nopool/osh mut+alloc
211 183 28 66.7 _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 6 0 3.0 bash -
8 0 7 3.4 zsh -
6 3 3 11.2 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.3 _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
11 11 0 1.4 dash -
28 24 4 2.8 bash -
27 23 4 3.1 zsh -
20 16 4 32.1 bumpleak/osh mut
26 22 4 32.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 22 15 26.3 osh-native mut+alloc
38 27 11 26.5 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 39 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.4 _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
74 66 8 3.1 bash -
170 85 85 54.1 bumpleak/osh mut
179 135 44 55.2 _bin/cxx-opt+bumproot/osh mut
196 102 94 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 129 81 47.0 osh-native mut+alloc
215 135 80 48.9 osh-native mut+alloc+free
181 141 40 8.7 osh-native mut+alloc+free+gc
181 125 56 8.7 osh-native mut+alloc+free+gc+exit
234 151 83 63.1 _bin/cxx-opt+nopool/osh mut+alloc
207 167 40 10.2 _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 9 2 3.4 dash -
20 14 6 4.5 bash -
18 12 6 3.5 zsh -
18 9 10 11.5 bumpleak/osh mut
21 12 9 13.1 _bin/cxx-opt+bumproot/osh mut
22 11 12 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 11 10.9 osh-native mut+alloc
23 10 13 11.1 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
23 21 2 8.8 osh-native mut+alloc+free+gc+exit
25 21 4 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc