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 38 6 12 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 159 25 71 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 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 180 0 4 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 270 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
7 3 3 1.6 dash -
23 23 0 3.0 bash -
105 44 67 3.4 zsh -
17 12 4 28.1 bumpleak/osh mut
20 12 8 29.2 _bin/cxx-opt+bumproot/osh mut
23 19 4 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.0 osh-native mut+alloc
32 8 24 25.6 osh-native mut+alloc+free
38 31 8 17.8 osh-native mut+alloc+free+gc
38 30 8 17.8 osh-native mut+alloc+free+gc+exit
44 31 13 32.0 _bin/cxx-opt+nopool/osh mut+alloc
57 40 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
22 18 4 1.6 dash -
78 78 0 3.3 bash -
383 220 184 3.7 zsh -
47 35 12 85.6 bumpleak/osh mut
61 45 15 85.3 _bin/cxx-opt+bumproot/osh mut
71 63 8 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.4 osh-native mut+alloc
108 80 28 75.3 osh-native mut+alloc+free
159 131 28 49.9 osh-native mut+alloc+free+gc
168 148 20 50.6 osh-native mut+alloc+free+gc+exit
141 88 52 98.0 _bin/cxx-opt+nopool/osh mut+alloc
239 219 20 68.5 _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 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.8 bumpleak/osh mut
8 8 0 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _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
11 11 0 1.4 dash -
29 28 0 3.0 bash -
24 16 8 3.3 zsh -
19 11 7 31.1 bumpleak/osh mut
26 13 13 32.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.2 osh-native mut+alloc
39 23 15 26.6 osh-native mut+alloc+free
28 18 11 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 25 29 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 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
74 66 8 3.0 bash -
168 108 60 55.3 bumpleak/osh mut
178 122 55 55.5 _bin/cxx-opt+bumproot/osh mut
192 120 72 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 136 72 46.9 osh-native mut+alloc
216 148 68 48.7 osh-native mut+alloc+free
180 124 56 8.7 osh-native mut+alloc+free+gc
181 128 52 8.8 osh-native mut+alloc+free+gc+exit
231 151 80 64.1 _bin/cxx-opt+nopool/osh mut+alloc
209 132 76 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 10 9 3.5 zsh -
18 16 3 11.8 bumpleak/osh mut
21 13 8 13.3 _bin/cxx-opt+bumproot/osh mut
23 20 3 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 22 0 11.0 osh-native mut+alloc
23 13 10 11.0 osh-native mut+alloc+free
22 20 2 9.0 osh-native mut+alloc+free+gc
24 22 3 9.0 osh-native mut+alloc+free+gc+exit
25 23 3 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc