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 38 6 12 12.0 17.7 476,679 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 159 25 70 46.1 51.6 1,653,267 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 9 1 1 2.6 8.3 101,870 180 2 75,090 1 37,545 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,135 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 182 0 4 10.6 8.7 995,212 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,279 478 3 85,326 1 42,663 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 3.1 bash -
103 57 52 3.4 zsh -
16 12 4 29.2 bumpleak/osh mut
19 15 4 29.1 _bin/cxx-opt+bumproot/osh mut
23 15 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 24.9 osh-native mut+alloc
32 28 4 25.4 osh-native mut+alloc+free
38 27 12 17.7 osh-native mut+alloc+free+gc
38 29 8 17.8 osh-native mut+alloc+free+gc+exit
43 21 21 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 36 12 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 -
77 77 0 3.3 bash -
376 221 177 3.5 zsh -
49 37 12 83.9 bumpleak/osh mut
61 52 8 85.5 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.2 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
159 139 20 51.6 osh-native mut+alloc+free+gc
163 122 41 52.2 osh-native mut+alloc+free+gc+exit
140 92 48 98.5 _bin/cxx-opt+nopool/osh mut+alloc
220 188 32 73.2 _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 -
7 4 4 3.1 zsh -
6 3 3 10.8 bumpleak/osh mut
7 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 6 3 8.3 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.3 _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 1.4 dash -
28 28 0 3.0 bash -
24 24 0 3.3 zsh -
19 19 0 31.3 bumpleak/osh mut
26 17 9 32.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 22 15 26.3 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
29 25 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 50 4 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 30 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
73 69 4 3.1 bash -
167 95 72 55.7 bumpleak/osh mut
178 118 59 56.2 _bin/cxx-opt+bumproot/osh mut
192 136 56 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 123 87 46.9 osh-native mut+alloc
221 152 68 48.9 osh-native mut+alloc+free
182 117 65 8.7 osh-native mut+alloc+free+gc
182 137 44 8.4 osh-native mut+alloc+free+gc+exit
231 133 97 63.0 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 3.5 dash -
20 20 0 4.5 bash -
18 12 7 3.4 zsh -
19 9 10 11.5 bumpleak/osh mut
21 13 9 12.5 _bin/cxx-opt+bumproot/osh mut
23 11 12 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 3 10.7 osh-native mut+alloc
23 21 3 11.0 osh-native mut+alloc+free
23 16 7 8.8 osh-native mut+alloc+free+gc
23 19 6 8.8 osh-native mut+alloc+free+gc+exit
25 15 11 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 21 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc