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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 158 25 71 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.4 7.7 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,289 478 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 1.6 dash -
23 23 0 3.0 bash -
105 60 51 3.4 zsh -
15 8 8 28.7 bumpleak/osh mut
20 12 8 28.5 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 12 19 25.2 osh-native mut+alloc
33 28 4 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 37 0 18.0 osh-native mut+alloc+free+gc+exit
44 26 17 33.5 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 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 1.6 dash -
78 77 0 3.1 bash -
379 239 162 3.7 zsh -
48 37 11 84.1 bumpleak/osh mut
60 52 8 85.2 _bin/cxx-opt+bumproot/osh mut
70 70 0 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 76 20 73.6 osh-native mut+alloc
106 82 24 75.3 osh-native mut+alloc+free
158 134 24 51.4 osh-native mut+alloc+free+gc
162 138 24 52.1 osh-native mut+alloc+free+gc+exit
139 75 64 97.7 _bin/cxx-opt+nopool/osh mut+alloc
256 216 40 73.8 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 10.4 bumpleak/osh mut
7 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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 7 3 1.3 dash -
29 28 0 3.0 bash -
24 20 4 3.1 zsh -
19 15 4 31.9 bumpleak/osh mut
25 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 12 24 26.3 osh-native mut+alloc
38 30 8 26.5 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 33 21 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 34 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 70 4 3.0 bash -
168 116 52 55.6 bumpleak/osh mut
183 139 44 56.2 _bin/cxx-opt+bumproot/osh mut
192 124 68 55.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 143 68 47.0 osh-native mut+alloc
217 153 64 48.7 osh-native mut+alloc+free
181 100 80 8.5 osh-native mut+alloc+free+gc
182 142 39 8.7 osh-native mut+alloc+free+gc+exit
229 153 76 62.5 _bin/cxx-opt+nopool/osh mut+alloc
207 166 41 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 10 0 3.4 dash -
20 15 5 4.5 bash -
18 16 3 3.4 zsh -
17 12 6 11.6 bumpleak/osh mut
20 5 15 12.6 _bin/cxx-opt+bumproot/osh mut
22 16 7 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 10.9 osh-native mut+alloc
22 13 9 11.1 osh-native mut+alloc+free
22 12 11 9.0 osh-native mut+alloc+free+gc
23 16 8 9.0 osh-native mut+alloc+free+gc+exit
24 11 14 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc