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 39 5 12 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 183 29 91 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 10 1 2 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 30 0 2 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 186 0 5 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 24 1 2 2.8 8.9 116,311 478 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 2.9 bash -
109 63 54 3.4 zsh -
18 17 0 28.0 bumpleak/osh mut
20 16 4 28.9 _bin/cxx-opt+bumproot/osh mut
23 23 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 12 19 25.2 osh-native mut+alloc
34 21 13 25.6 osh-native mut+alloc+free
39 27 12 18.0 osh-native mut+alloc+free+gc
41 33 8 18.0 osh-native mut+alloc+free+gc+exit
45 33 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
62 54 8 22.1 _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 22 0 1.6 dash -
78 78 0 3.3 bash -
386 242 166 3.5 zsh -
50 42 8 84.1 bumpleak/osh mut
61 48 12 85.2 _bin/cxx-opt+bumproot/osh mut
73 53 19 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
101 69 32 73.5 osh-native mut+alloc
111 70 41 75.3 osh-native mut+alloc+free
183 159 24 49.8 osh-native mut+alloc+free+gc
190 158 32 50.7 osh-native mut+alloc+free+gc+exit
139 94 45 97.6 _bin/cxx-opt+nopool/osh mut+alloc
268 228 40 67.9 _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 8 3.1 zsh -
6 6 0 11.8 bumpleak/osh mut
7 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
7 0 7 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
10 10 0 10.0 osh-native mut+alloc+free
10 5 5 8.5 osh-native mut+alloc+free+gc
10 7 3 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 13 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
10 10 0 1.4 dash -
29 28 0 2.9 bash -
25 21 4 3.3 zsh -
19 0 19 31.0 bumpleak/osh mut
28 23 4 32.4 _bin/cxx-opt+bumproot/osh mut
29 24 4 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.3 osh-native mut+alloc
39 31 8 26.5 osh-native mut+alloc+free
30 25 4 8.0 osh-native mut+alloc+free+gc
29 21 7 8.0 osh-native mut+alloc+free+gc+exit
55 35 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
39 35 4 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
73 61 12 3.1 bash -
172 84 88 55.5 bumpleak/osh mut
183 110 73 54.8 _bin/cxx-opt+bumproot/osh mut
199 147 52 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 124 88 47.0 osh-native mut+alloc
224 120 104 48.7 osh-native mut+alloc+free
186 138 47 8.8 osh-native mut+alloc+free+gc
186 126 59 8.7 osh-native mut+alloc+free+gc+exit
237 156 80 62.7 _bin/cxx-opt+nopool/osh mut+alloc
226 158 67 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 5 6 3.5 dash -
20 12 9 4.2 bash -
19 11 8 3.5 zsh -
19 13 7 11.9 bumpleak/osh mut
20 15 5 12.4 _bin/cxx-opt+bumproot/osh mut
21 6 16 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 11.0 osh-native mut+alloc
23 7 17 11.1 osh-native mut+alloc+free
24 19 5 8.9 osh-native mut+alloc+free+gc
25 11 15 8.9 osh-native mut+alloc+free+gc+exit
27 15 12 12.4 _bin/cxx-opt+nopool/osh mut+alloc
27 24 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc