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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 174 30 85 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 2 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 181 0 3 10.6 8.8 995,222 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
6 6 0 1.6 dash -
23 19 4 2.9 bash -
105 62 50 3.4 zsh -
17 17 0 28.2 bumpleak/osh mut
20 12 8 29.7 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 24.9 osh-native mut+alloc
33 16 16 25.4 osh-native mut+alloc+free
37 32 4 18.0 osh-native mut+alloc+free+gc
37 22 15 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 32.2 _bin/cxx-opt+nopool/osh mut+alloc
51 42 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 18 4 1.6 dash -
78 78 0 3.0 bash -
379 228 173 3.7 zsh -
50 39 12 84.6 bumpleak/osh mut
61 52 8 84.5 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 51 47 73.5 osh-native mut+alloc
108 72 36 75.3 osh-native mut+alloc+free
174 154 20 51.4 osh-native mut+alloc+free+gc
173 145 28 52.2 osh-native mut+alloc+free+gc+exit
140 112 28 97.9 _bin/cxx-opt+nopool/osh mut+alloc
247 219 28 73.2 _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 2.9 bash -
8 8 0 3.4 zsh -
6 3 3 12.2 bumpleak/osh mut
7 7 0 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.2 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.5 _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 20 4 3.3 zsh -
19 15 4 33.0 bumpleak/osh mut
25 16 8 31.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
39 30 9 26.3 osh-native mut+alloc
39 19 19 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
56 36 20 36.4 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 69 4 3.0 bash -
167 99 67 54.9 bumpleak/osh mut
179 115 63 54.7 _bin/cxx-opt+bumproot/osh mut
191 119 72 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 148 64 47.0 osh-native mut+alloc
219 143 76 48.9 osh-native mut+alloc+free
181 105 76 8.8 osh-native mut+alloc+free+gc
182 115 67 8.8 osh-native mut+alloc+free+gc+exit
230 129 101 63.0 _bin/cxx-opt+nopool/osh mut+alloc
208 156 52 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 4 6 3.4 dash -
19 13 7 4.3 bash -
18 7 12 3.5 zsh -
19 11 9 13.1 bumpleak/osh mut
21 14 8 12.3 _bin/cxx-opt+bumproot/osh mut
21 15 6 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 10.9 osh-native mut+alloc
23 14 9 11.0 osh-native mut+alloc+free
23 22 2 9.0 osh-native mut+alloc+free+gc
23 16 8 8.8 osh-native mut+alloc+free+gc+exit
25 18 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc