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 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 145 23 59 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 178 0 3 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 21 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 1.4 dash -
24 23 0 3.0 bash -
105 62 50 3.4 zsh -
16 8 8 29.8 bumpleak/osh mut
20 19 0 30.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.0 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
35 23 12 17.7 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 36 8 33.1 _bin/cxx-opt+nopool/osh mut+alloc
47 31 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 1.6 dash -
80 80 0 3.1 bash -
375 216 178 3.5 zsh -
48 40 8 84.8 bumpleak/osh mut
60 55 4 84.9 _bin/cxx-opt+bumproot/osh mut
71 63 8 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 69 28 73.4 osh-native mut+alloc
109 86 23 75.4 osh-native mut+alloc+free
145 125 20 49.8 osh-native mut+alloc+free+gc
149 133 16 50.6 osh-native mut+alloc+free+gc+exit
138 77 61 99.4 _bin/cxx-opt+nopool/osh mut+alloc
204 184 20 67.2 _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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
7 3 3 11.7 bumpleak/osh mut
7 0 6 10.7 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 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 8.8 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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
11 7 3 1.4 dash -
29 29 0 2.8 bash -
24 16 8 3.3 zsh -
19 18 0 30.9 bumpleak/osh mut
25 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 23 15 26.3 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
53 45 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
39 34 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
74 66 8 3.3 bash -
169 110 59 55.4 bumpleak/osh mut
178 126 51 55.8 _bin/cxx-opt+bumproot/osh mut
192 148 44 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 120 88 47.0 osh-native mut+alloc
213 137 76 48.6 osh-native mut+alloc+free
178 153 24 8.7 osh-native mut+alloc+free+gc
181 116 64 8.8 osh-native mut+alloc+free+gc+exit
231 143 88 63.2 _bin/cxx-opt+nopool/osh mut+alloc
208 126 82 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 -
19 14 6 4.3 bash -
17 13 5 3.4 zsh -
19 6 13 12.2 bumpleak/osh mut
20 18 2 12.6 _bin/cxx-opt+bumproot/osh mut
21 8 13 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 11.0 osh-native mut+alloc
22 10 12 11.1 osh-native mut+alloc+free
21 13 8 8.9 osh-native mut+alloc+free+gc
21 15 7 8.9 osh-native mut+alloc+free+gc+exit
24 16 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc