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 10 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 179 28 84 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 10 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 184 0 4 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,289 478 3 85,334 1 42,667 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 -
24 23 0 3.1 bash -
105 74 37 3.3 zsh -
16 8 8 29.7 bumpleak/osh mut
20 12 8 28.7 _bin/cxx-opt+bumproot/osh mut
23 14 9 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
34 15 19 25.6 osh-native mut+alloc+free
37 33 4 17.8 osh-native mut+alloc+free+gc
38 33 4 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
52 40 12 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 21 0 1.6 dash -
78 74 4 3.3 bash -
382 214 189 3.5 zsh -
51 39 12 85.1 bumpleak/osh mut
61 57 4 84.9 _bin/cxx-opt+bumproot/osh mut
70 49 20 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
101 57 44 73.4 osh-native mut+alloc
108 72 36 75.3 osh-native mut+alloc+free
179 155 24 51.6 osh-native mut+alloc+free+gc
177 157 20 52.3 osh-native mut+alloc+free+gc+exit
140 84 56 97.9 _bin/cxx-opt+nopool/osh mut+alloc
251 211 40 74.0 _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 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 12.1 bumpleak/osh mut
7 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
10 3 6 8.5 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 7 3 1.4 dash -
29 25 4 2.9 bash -
24 7 17 3.1 zsh -
19 15 4 31.0 bumpleak/osh mut
26 21 4 33.0 _bin/cxx-opt+bumproot/osh mut
29 20 8 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.5 osh-native mut+alloc
39 35 4 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 28 0 7.7 osh-native mut+alloc+free+gc+exit
55 35 20 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 69 4 3.3 bash -
167 89 77 55.2 bumpleak/osh mut
180 140 40 55.8 _bin/cxx-opt+bumproot/osh mut
193 136 56 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 149 65 47.1 osh-native mut+alloc
224 148 76 48.8 osh-native mut+alloc+free
184 140 44 8.7 osh-native mut+alloc+free+gc
183 131 52 8.7 osh-native mut+alloc+free+gc+exit
233 152 80 62.4 _bin/cxx-opt+nopool/osh mut+alloc
212 156 56 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 1 3.5 dash -
20 6 14 4.3 bash -
18 10 9 3.5 zsh -
19 8 12 11.7 bumpleak/osh mut
21 16 5 12.3 _bin/cxx-opt+bumproot/osh mut
21 12 10 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 12 10.9 osh-native mut+alloc
23 14 10 11.1 osh-native mut+alloc+free
23 14 9 9.0 osh-native mut+alloc+free+gc
23 16 8 9.0 osh-native mut+alloc+free+gc+exit
26 18 8 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 15 11 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc