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 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 152 24 64 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.7 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,289 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 3 3 1.6 dash -
23 19 4 3.1 bash -
104 52 59 3.4 zsh -
16 16 0 28.9 bumpleak/osh mut
20 20 0 29.9 _bin/cxx-opt+bumproot/osh mut
22 21 0 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.0 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
36 24 12 18.0 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 33.2 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.0 _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 77 0 3.1 bash -
375 217 181 3.5 zsh -
47 39 8 85.5 bumpleak/osh mut
59 55 4 84.4 _bin/cxx-opt+bumproot/osh mut
68 44 24 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 57 41 73.3 osh-native mut+alloc
106 73 32 75.4 osh-native mut+alloc+free
152 128 24 51.6 osh-native mut+alloc+free+gc
156 135 20 52.1 osh-native mut+alloc+free+gc+exit
139 95 44 98.0 _bin/cxx-opt+nopool/osh mut+alloc
211 162 49 74.4 _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 1.3 dash -
6 6 0 3.0 bash -
8 0 7 3.1 zsh -
6 0 6 10.3 bumpleak/osh mut
6 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 8 0 9.8 osh-native mut+alloc+free
9 0 9 8.7 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
24 12 12 3.3 zsh -
19 11 8 31.8 bumpleak/osh mut
26 22 4 32.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 11 25 26.3 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
53 37 16 35.8 _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
73 61 12 3.1 bash -
168 92 76 54.3 bumpleak/osh mut
183 119 63 56.2 _bin/cxx-opt+bumproot/osh mut
192 140 52 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 161 48 47.0 osh-native mut+alloc
218 157 60 48.6 osh-native mut+alloc+free
182 122 59 8.8 osh-native mut+alloc+free+gc
181 133 48 8.8 osh-native mut+alloc+free+gc+exit
231 151 80 62.7 _bin/cxx-opt+nopool/osh mut+alloc
207 139 68 9.9 _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 3.5 dash -
20 14 6 4.3 bash -
17 11 7 3.4 zsh -
20 11 9 12.2 bumpleak/osh mut
19 10 10 12.4 _bin/cxx-opt+bumproot/osh mut
20 20 0 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 14 7 11.0 osh-native mut+alloc
22 10 12 10.9 osh-native mut+alloc+free
22 21 2 8.9 osh-native mut+alloc+free+gc
23 17 7 8.9 osh-native mut+alloc+free+gc+exit
25 20 4 12.6 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc