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 17.8 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 151 24 62 46.1 51.5 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 9 1 1 2.6 8.3 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,291 478 3 85,342 1 42,671 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 19 4 3.0 bash -
104 54 56 3.4 zsh -
17 13 4 28.3 bumpleak/osh mut
20 20 0 30.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 24.9 osh-native mut+alloc
31 19 12 25.3 osh-native mut+alloc+free
35 31 4 17.8 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 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 21 0 1.6 dash -
78 78 0 3.1 bash -
377 218 181 3.4 zsh -
50 41 8 84.0 bumpleak/osh mut
63 47 16 86.4 _bin/cxx-opt+bumproot/osh mut
70 39 31 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.6 osh-native mut+alloc
107 83 24 75.3 osh-native mut+alloc+free
151 131 20 51.5 osh-native mut+alloc+free+gc
153 141 12 50.4 osh-native mut+alloc+free+gc+exit
140 78 62 97.6 _bin/cxx-opt+nopool/osh mut+alloc
220 204 16 72.8 _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 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 12.0 bumpleak/osh mut
6 3 3 10.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 4 4 9.8 osh-native mut+alloc+free
9 4 4 8.3 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
11 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 10 0 1.6 dash -
29 28 0 3.0 bash -
24 23 0 3.3 zsh -
19 15 4 32.2 bumpleak/osh mut
25 25 0 31.9 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
38 25 13 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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
72 72 0 3.1 bash -
167 103 63 55.7 bumpleak/osh mut
180 123 56 54.7 _bin/cxx-opt+bumproot/osh mut
196 120 76 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 120 92 47.1 osh-native mut+alloc
217 133 84 48.8 osh-native mut+alloc+free
180 135 44 8.8 osh-native mut+alloc+free+gc
182 114 67 8.5 osh-native mut+alloc+free+gc+exit
229 157 72 63.1 _bin/cxx-opt+nopool/osh mut+alloc
206 143 63 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 3.5 dash -
20 12 8 4.3 bash -
18 12 6 3.5 zsh -
18 15 4 11.4 bumpleak/osh mut
21 14 8 13.0 _bin/cxx-opt+bumproot/osh mut
21 20 1 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 11.0 osh-native mut+alloc
23 20 3 10.7 osh-native mut+alloc+free
22 13 9 8.9 osh-native mut+alloc+free+gc
23 15 8 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.3 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc