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 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 149 22 60 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 179 0 4 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 478 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
105 64 47 3.4 zsh -
16 16 0 28.5 bumpleak/osh mut
20 12 8 28.5 _bin/cxx-opt+bumproot/osh mut
23 9 13 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.3 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
36 32 4 17.7 osh-native mut+alloc+free+gc
37 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 36 8 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 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 22 0 1.4 dash -
78 73 4 3.3 bash -
378 188 210 3.5 zsh -
49 44 4 85.3 bumpleak/osh mut
60 52 8 85.0 _bin/cxx-opt+bumproot/osh mut
69 54 15 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 60 36 73.3 osh-native mut+alloc
106 78 27 75.3 osh-native mut+alloc+free
149 133 16 49.9 osh-native mut+alloc+free+gc
154 126 28 50.6 osh-native mut+alloc+free+gc+exit
137 108 28 99.0 _bin/cxx-opt+nopool/osh mut+alloc
202 159 44 68.6 _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 1.3 dash -
6 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 10.9 bumpleak/osh mut
7 3 3 11.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.2 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 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 7 3 1.4 dash -
28 24 4 2.9 bash -
24 20 4 3.3 zsh -
19 11 8 31.7 bumpleak/osh mut
26 22 4 33.0 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 37 0 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 29 0 8.0 osh-native mut+alloc+free+gc+exit
53 30 22 35.8 _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 65 8 3.1 bash -
169 130 39 55.4 bumpleak/osh mut
180 104 76 56.0 _bin/cxx-opt+bumproot/osh mut
190 146 44 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 145 64 46.9 osh-native mut+alloc
214 105 109 48.8 osh-native mut+alloc+free
179 111 68 8.7 osh-native mut+alloc+free+gc
181 133 48 8.8 osh-native mut+alloc+free+gc+exit
231 159 72 63.1 _bin/cxx-opt+nopool/osh mut+alloc
208 156 52 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 14 6 4.3 bash -
18 5 13 3.5 zsh -
18 15 3 11.7 bumpleak/osh mut
21 16 5 13.5 _bin/cxx-opt+bumproot/osh mut
20 18 3 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 3 11.0 osh-native mut+alloc
22 20 2 11.0 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
23 15 8 9.0 osh-native mut+alloc+free+gc+exit
24 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc