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 10 12.0 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 156 26 68 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 0 2 2.6 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 24 1 2 2.8 8.7 116,276 478 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 -
23 23 0 2.9 bash -
106 53 59 3.4 zsh -
16 16 0 27.9 bumpleak/osh mut
20 16 4 30.2 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.0 osh-native mut+alloc
32 28 4 25.7 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.9 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 22.2 _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 77 0 3.1 bash -
384 212 194 3.7 zsh -
49 36 12 85.3 bumpleak/osh mut
61 53 8 84.6 _bin/cxx-opt+bumproot/osh mut
70 70 0 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 75 24 73.5 osh-native mut+alloc
107 67 39 75.4 osh-native mut+alloc+free
156 132 24 51.4 osh-native mut+alloc+free+gc
158 129 28 52.1 osh-native mut+alloc+free+gc+exit
141 101 40 98.6 _bin/cxx-opt+nopool/osh mut+alloc
219 175 44 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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 10.3 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 25 4 2.9 bash -
24 20 4 3.3 zsh -
19 14 5 32.3 bumpleak/osh mut
26 18 7 32.8 _bin/cxx-opt+bumproot/osh mut
28 18 11 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
39 27 11 26.3 osh-native mut+alloc
38 31 8 26.7 osh-native mut+alloc+free
29 28 0 7.7 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 73 0 3.1 bash -
167 122 45 54.6 bumpleak/osh mut
184 120 64 54.4 _bin/cxx-opt+bumproot/osh mut
195 111 83 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 144 68 47.1 osh-native mut+alloc
218 141 76 48.8 osh-native mut+alloc+free
181 141 40 8.7 osh-native mut+alloc+free+gc
181 108 72 8.7 osh-native mut+alloc+free+gc+exit
234 147 87 63.2 _bin/cxx-opt+nopool/osh mut+alloc
208 136 72 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 6 3 3.5 dash -
20 16 4 4.3 bash -
18 5 13 3.4 zsh -
18 17 2 11.6 bumpleak/osh mut
20 12 9 13.7 _bin/cxx-opt+bumproot/osh mut
21 13 8 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 9 10.9 osh-native mut+alloc
24 11 13 10.9 osh-native mut+alloc+free
24 14 11 8.7 osh-native mut+alloc+free+gc
25 15 10 8.9 osh-native mut+alloc+free+gc+exit
25 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc