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 3 9 12.0 17.8 476,680 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 157 24 69 46.1 51.3 1,653,268 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,871 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,136 31,810 12 50,000 0 2,820 osh-native
ex.bashcomp-parse-help 183 0 3 10.6 8.7 995,213 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,280 478 3 85,322 1 42,661 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 -
24 19 4 3.0 bash -
104 44 67 3.3 zsh -
17 17 0 27.9 bumpleak/osh mut
20 16 4 28.4 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.2 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
36 24 12 17.8 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.9 _bin/cxx-opt+nopool/osh mut+alloc
50 46 4 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 21 0 1.6 dash -
78 78 0 3.1 bash -
375 244 153 3.5 zsh -
50 42 8 84.6 bumpleak/osh mut
61 57 4 86.3 _bin/cxx-opt+bumproot/osh mut
71 70 0 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 82 16 73.4 osh-native mut+alloc
106 81 24 75.3 osh-native mut+alloc+free
157 133 24 51.3 osh-native mut+alloc+free+gc
162 142 20 52.1 osh-native mut+alloc+free+gc+exit
141 88 52 97.7 _bin/cxx-opt+nopool/osh mut+alloc
220 200 20 72.9 _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 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 10.5 bumpleak/osh mut
7 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 9.8 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
10 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 29 0 2.9 bash -
23 8 16 3.3 zsh -
20 16 4 32.4 bumpleak/osh mut
25 25 0 33.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
38 26 11 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 39 16 35.7 _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
74 66 8 3.0 bash -
168 116 52 55.3 bumpleak/osh mut
179 119 60 55.1 _bin/cxx-opt+bumproot/osh mut
192 112 80 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 131 83 46.9 osh-native mut+alloc
217 136 80 48.9 osh-native mut+alloc+free
183 101 81 8.7 osh-native mut+alloc+free+gc
181 140 40 8.8 osh-native mut+alloc+free+gc+exit
234 150 83 63.9 _bin/cxx-opt+nopool/osh mut+alloc
208 159 49 10.1 _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 16 4 4.5 bash -
18 11 8 3.4 zsh -
19 9 11 11.4 bumpleak/osh mut
21 8 14 13.3 _bin/cxx-opt+bumproot/osh mut
21 16 5 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 3 11.0 osh-native mut+alloc
23 10 13 11.0 osh-native mut+alloc+free
23 11 12 8.8 osh-native mut+alloc+free+gc
23 22 2 8.7 osh-native mut+alloc+free+gc+exit
26 18 9 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 20 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc