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 35 3 9 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 153 24 66 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 8.3 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.7 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.8 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 270 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
105 65 46 3.3 zsh -
16 10 5 28.6 bumpleak/osh mut
19 16 4 30.2 _bin/cxx-opt+bumproot/osh mut
24 19 5 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 23 8 25.2 osh-native mut+alloc
33 20 12 25.6 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
44 43 0 33.4 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 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 21 0 1.4 dash -
76 76 0 3.1 bash -
377 217 181 3.5 zsh -
48 44 4 84.4 bumpleak/osh mut
60 48 12 85.7 _bin/cxx-opt+bumproot/osh mut
70 54 15 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 63 35 73.4 osh-native mut+alloc
108 79 28 75.3 osh-native mut+alloc+free
153 124 28 49.9 osh-native mut+alloc+free+gc
157 145 12 50.6 osh-native mut+alloc+free+gc+exit
140 95 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
214 170 44 66.6 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 0 6 11.3 bumpleak/osh mut
6 6 0 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 1.6 dash -
28 25 4 3.0 bash -
24 16 8 3.3 zsh -
19 15 4 31.4 bumpleak/osh mut
26 22 4 33.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.1 osh-native mut+alloc
38 38 0 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
56 40 16 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 29 8 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
72 65 8 3.0 bash -
169 96 72 55.0 bumpleak/osh mut
179 119 60 55.8 _bin/cxx-opt+bumproot/osh mut
193 145 48 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
230 138 91 47.1 osh-native mut+alloc
216 156 60 48.6 osh-native mut+alloc+free
180 120 60 8.8 osh-native mut+alloc+free+gc
179 146 32 8.8 osh-native mut+alloc+free+gc+exit
232 152 80 62.6 _bin/cxx-opt+nopool/osh mut+alloc
206 135 71 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 -
20 14 7 4.5 bash -
19 17 3 3.4 zsh -
20 12 8 12.3 bumpleak/osh mut
19 18 1 12.2 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
22 17 5 10.9 osh-native mut+alloc+free
22 10 13 8.9 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
25 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc