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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 147 23 59 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 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 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
6 6 0 1.4 dash -
23 23 0 3.0 bash -
104 61 50 3.4 zsh -
17 16 0 29.2 bumpleak/osh mut
20 16 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 18 13 25.2 osh-native mut+alloc
31 26 4 25.6 osh-native mut+alloc+free
35 19 16 18.0 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 12 31 32.0 _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
21 21 0 1.6 dash -
78 77 0 3.3 bash -
374 236 161 3.5 zsh -
50 38 13 84.8 bumpleak/osh mut
60 48 12 85.2 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 57 40 73.4 osh-native mut+alloc
105 84 20 75.1 osh-native mut+alloc+free
147 135 12 51.6 osh-native mut+alloc+free+gc
154 122 32 52.2 osh-native mut+alloc+free+gc+exit
137 85 52 97.4 _bin/cxx-opt+nopool/osh mut+alloc
202 165 36 71.3 _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 4 4 3.3 zsh -
6 3 3 11.8 bumpleak/osh mut
6 6 0 12.5 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 4 7 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 10 0 1.3 dash -
28 24 4 2.9 bash -
23 19 4 3.4 zsh -
19 11 8 32.4 bumpleak/osh mut
25 18 7 32.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.3 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 29 25 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 32 4 9.5 _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 -
164 112 52 55.1 bumpleak/osh mut
180 140 40 55.2 _bin/cxx-opt+bumproot/osh mut
193 124 68 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 47.1 osh-native mut+alloc
214 153 61 49.1 osh-native mut+alloc+free
181 108 72 8.7 osh-native mut+alloc+free+gc
182 121 61 8.7 osh-native mut+alloc+free+gc+exit
231 147 84 63.1 _bin/cxx-opt+nopool/osh mut+alloc
208 132 76 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
9 6 3 3.5 dash -
20 17 3 4.5 bash -
18 10 8 3.5 zsh -
19 17 2 11.9 bumpleak/osh mut
20 15 5 11.8 _bin/cxx-opt+bumproot/osh mut
21 20 1 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.6 osh-native mut+alloc
23 15 8 11.1 osh-native mut+alloc+free
22 20 2 8.8 osh-native mut+alloc+free+gc
23 20 3 8.9 osh-native mut+alloc+free+gc+exit
24 19 5 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 23 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc