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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 147 23 60 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 184 0 3 10.6 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,284 478 3 85,332 1 42,666 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 0 6 1.6 dash -
23 23 0 3.1 bash -
105 59 52 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
19 19 0 29.1 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 29 0 25.2 osh-native mut+alloc
31 16 16 25.6 osh-native mut+alloc+free
35 34 0 18.0 osh-native mut+alloc+free+gc
35 27 8 18.1 osh-native mut+alloc+free+gc+exit
43 25 17 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 21.8 _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 -
78 78 0 3.1 bash -
377 216 181 3.7 zsh -
49 40 8 84.6 bumpleak/osh mut
60 52 8 85.6 _bin/cxx-opt+bumproot/osh mut
69 57 12 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 56 40 73.4 osh-native mut+alloc
105 60 44 75.3 osh-native mut+alloc+free
147 114 33 51.6 osh-native mut+alloc+free+gc
151 135 16 52.2 osh-native mut+alloc+free+gc+exit
137 69 69 98.9 _bin/cxx-opt+nopool/osh mut+alloc
207 178 28 72.1 _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 11.5 bumpleak/osh mut
7 0 7 11.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.0 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.2 _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 -
29 25 4 3.0 bash -
24 12 12 3.3 zsh -
19 11 7 31.0 bumpleak/osh mut
25 21 4 32.3 _bin/cxx-opt+bumproot/osh mut
27 27 0 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 34 4 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 27 0 8.0 osh-native mut+alloc+free+gc+exit
53 33 20 35.9 _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 74 0 3.0 bash -
168 100 68 55.6 bumpleak/osh mut
179 126 53 55.2 _bin/cxx-opt+bumproot/osh mut
193 93 101 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 123 87 47.1 osh-native mut+alloc
217 156 60 48.9 osh-native mut+alloc+free
184 132 52 8.5 osh-native mut+alloc+free+gc
187 119 68 8.7 osh-native mut+alloc+free+gc+exit
229 161 68 63.4 _bin/cxx-opt+nopool/osh mut+alloc
206 143 63 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 7 3 3.4 dash -
19 13 7 4.5 bash -
18 15 4 3.5 zsh -
19 12 8 12.1 bumpleak/osh mut
20 13 7 11.8 _bin/cxx-opt+bumproot/osh mut
21 12 10 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 10.9 osh-native mut+alloc
22 14 8 10.9 osh-native mut+alloc+free
22 19 4 8.9 osh-native mut+alloc+free+gc
23 11 12 8.8 osh-native mut+alloc+free+gc+exit
24 15 9 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 24 1 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc