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 9 12.0 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 163 26 76 46.1 51.6 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.7 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,282 478 3 85,330 1 42,665 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 -
24 19 4 3.0 bash -
104 62 48 3.4 zsh -
16 12 4 28.6 bumpleak/osh mut
19 11 8 29.6 _bin/cxx-opt+bumproot/osh mut
26 22 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
39 27 12 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.9 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 21.8 _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 -
77 68 8 3.3 bash -
373 210 183 3.8 zsh -
50 38 11 84.9 bumpleak/osh mut
63 53 8 86.0 _bin/cxx-opt+bumproot/osh mut
69 64 4 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.3 osh-native mut+alloc
105 66 39 75.1 osh-native mut+alloc+free
163 139 24 51.6 osh-native mut+alloc+free+gc
159 123 36 52.2 osh-native mut+alloc+free+gc+exit
138 113 24 97.7 _bin/cxx-opt+nopool/osh mut+alloc
233 204 28 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 4 4 3.3 zsh -
6 6 0 10.9 bumpleak/osh mut
7 0 7 12.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
9 4 4 9.8 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.6 _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 1.4 dash -
29 29 0 2.9 bash -
24 20 4 3.3 zsh -
20 8 12 31.8 bumpleak/osh mut
25 18 7 31.8 _bin/cxx-opt+bumproot/osh mut
29 20 8 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.5 osh-native mut+alloc
39 23 15 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 27 27 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 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 73 0 3.0 bash -
169 128 40 55.3 bumpleak/osh mut
181 109 73 54.2 _bin/cxx-opt+bumproot/osh mut
193 128 64 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 123 87 46.9 osh-native mut+alloc
218 137 81 48.8 osh-native mut+alloc+free
180 116 64 8.8 osh-native mut+alloc+free+gc
182 125 56 8.7 osh-native mut+alloc+free+gc+exit
232 128 104 62.7 _bin/cxx-opt+nopool/osh mut+alloc
209 146 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 5 5 3.5 dash -
20 13 7 4.3 bash -
18 7 12 3.5 zsh -
20 13 8 12.1 bumpleak/osh mut
20 11 9 13.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 11 11.0 osh-native mut+alloc
23 15 9 11.0 osh-native mut+alloc+free
23 14 9 8.8 osh-native mut+alloc+free+gc
23 16 7 8.7 osh-native mut+alloc+free+gc+exit
25 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
27 23 4 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc