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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 177 27 84 46.1 51.5 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 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 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 183 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 8.8 116,289 478 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 23 0 3.1 bash -
106 52 60 3.4 zsh -
17 14 3 29.1 bumpleak/osh mut
20 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
32 28 4 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
36 16 20 18.0 osh-native mut+alloc+free+gc
38 23 15 18.1 osh-native mut+alloc+free+gc+exit
43 20 24 32.8 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 21.8 _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 3.1 bash -
377 225 176 3.5 zsh -
50 42 8 85.1 bumpleak/osh mut
60 48 12 84.8 _bin/cxx-opt+bumproot/osh mut
70 50 19 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 53 45 73.4 osh-native mut+alloc
108 68 40 75.3 osh-native mut+alloc+free
177 149 28 51.5 osh-native mut+alloc+free+gc
165 145 20 52.1 osh-native mut+alloc+free+gc+exit
139 107 32 99.3 _bin/cxx-opt+nopool/osh mut+alloc
249 212 36 73.8 _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 8 0 3.3 zsh -
6 6 0 10.1 bumpleak/osh mut
7 3 3 12.6 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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 24 4 3.0 bash -
24 16 8 3.3 zsh -
19 11 7 31.3 bumpleak/osh mut
26 26 0 33.2 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.5 osh-native mut+alloc
39 27 11 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 34 19 35.9 _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 3.1 bash -
169 94 75 53.7 bumpleak/osh mut
179 118 61 54.6 _bin/cxx-opt+bumproot/osh mut
193 133 60 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 146 65 46.9 osh-native mut+alloc
218 147 71 48.9 osh-native mut+alloc+free
183 138 45 8.7 osh-native mut+alloc+free+gc
180 136 44 8.7 osh-native mut+alloc+free+gc+exit
234 137 96 64.0 _bin/cxx-opt+nopool/osh mut+alloc
209 169 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 3.5 dash -
20 18 3 4.3 bash -
18 16 2 3.4 zsh -
20 12 9 12.8 bumpleak/osh mut
21 19 2 12.7 _bin/cxx-opt+bumproot/osh mut
21 20 1 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.7 osh-native mut+alloc
23 18 5 11.1 osh-native mut+alloc+free
23 18 5 8.8 osh-native mut+alloc+free+gc
23 12 12 9.0 osh-native mut+alloc+free+gc+exit
25 18 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 23 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc