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 18.0 476,688 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 146 23 60 46.1 51.6 1,653,276 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.3 101,879 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,144 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.7 995,221 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,288 478 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
104 61 50 3.5 zsh -
17 8 8 29.4 bumpleak/osh mut
19 10 10 28.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 12 24.9 osh-native mut+alloc
31 22 9 25.4 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 35 0 17.8 osh-native mut+alloc+free+gc+exit
45 32 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 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
21 18 4 1.4 dash -
78 78 0 3.1 bash -
378 223 175 3.5 zsh -
50 45 4 84.3 bumpleak/osh mut
59 39 19 84.5 _bin/cxx-opt+bumproot/osh mut
69 68 0 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.4 osh-native mut+alloc
105 84 20 75.3 osh-native mut+alloc+free
146 122 24 51.6 osh-native mut+alloc+free+gc
151 139 12 52.2 osh-native mut+alloc+free+gc+exit
138 87 51 97.3 _bin/cxx-opt+nopool/osh mut+alloc
203 171 32 71.8 _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 10.9 bumpleak/osh mut
7 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 3 6 8.3 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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
10 10 0 1.4 dash -
28 28 0 2.9 bash -
24 16 8 3.3 zsh -
19 4 15 31.0 bumpleak/osh mut
25 16 8 31.5 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 33 4 26.6 osh-native mut+alloc+free
28 20 8 7.7 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
53 42 11 35.9 _bin/cxx-opt+nopool/osh mut+alloc
36 28 8 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 72 0 3.1 bash -
166 87 79 54.2 bumpleak/osh mut
180 132 48 55.9 _bin/cxx-opt+bumproot/osh mut
191 103 87 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 141 67 46.9 osh-native mut+alloc
217 142 75 48.9 osh-native mut+alloc+free
179 107 71 8.7 osh-native mut+alloc+free+gc
178 110 67 8.8 osh-native mut+alloc+free+gc+exit
231 129 101 62.8 _bin/cxx-opt+nopool/osh mut+alloc
208 140 68 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 1 3.3 dash -
20 18 2 4.5 bash -
18 10 9 3.4 zsh -
19 11 8 12.0 bumpleak/osh mut
21 8 14 13.0 _bin/cxx-opt+bumproot/osh mut
20 9 11 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 10.9 osh-native mut+alloc
23 12 11 11.0 osh-native mut+alloc+free
22 21 1 8.8 osh-native mut+alloc+free+gc
23 19 4 8.9 osh-native mut+alloc+free+gc+exit
24 11 13 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 11 14 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc