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 40 6 12 12.0 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 186 29 95 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.3 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 2 2.4 7.7 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 186 0 5 10.3 8.7 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,298 478 3 85,348 1 42,674 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 20 4 3.1 bash -
108 68 46 3.4 zsh -
17 7 10 29.9 bumpleak/osh mut
20 8 12 29.0 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.0 osh-native mut+alloc
33 20 12 25.6 osh-native mut+alloc+free
40 36 4 17.8 osh-native mut+alloc+free+gc
41 33 8 17.8 osh-native mut+alloc+free+gc+exit
44 40 4 32.6 _bin/cxx-opt+nopool/osh mut+alloc
61 49 12 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 18 4 1.4 dash -
78 78 0 3.0 bash -
381 220 184 3.4 zsh -
50 42 8 84.3 bumpleak/osh mut
62 46 15 84.4 _bin/cxx-opt+bumproot/osh mut
72 64 8 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.4 osh-native mut+alloc
108 83 25 75.3 osh-native mut+alloc+free
186 153 32 49.9 osh-native mut+alloc+free+gc
198 166 32 50.4 osh-native mut+alloc+free+gc+exit
143 86 57 98.6 _bin/cxx-opt+nopool/osh mut+alloc
267 231 36 68.3 _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 1.3 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 11.3 bumpleak/osh mut
7 7 0 10.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 3 6 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
13 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 7 3 1.4 dash -
29 29 0 3.0 bash -
24 24 0 3.1 zsh -
20 16 4 31.5 bumpleak/osh mut
26 23 4 32.1 _bin/cxx-opt+bumproot/osh mut
29 25 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 21 17 26.1 osh-native mut+alloc
39 23 16 26.5 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
29 25 4 8.0 osh-native mut+alloc+free+gc+exit
55 31 24 36.0 _bin/cxx-opt+nopool/osh mut+alloc
39 31 8 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
72 64 8 3.0 bash -
170 103 67 54.0 bumpleak/osh mut
182 125 57 55.0 _bin/cxx-opt+bumproot/osh mut
195 127 67 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 139 76 47.0 osh-native mut+alloc
222 138 83 48.7 osh-native mut+alloc+free
186 121 65 8.7 osh-native mut+alloc+free+gc
186 134 51 8.8 osh-native mut+alloc+free+gc+exit
235 151 84 63.1 _bin/cxx-opt+nopool/osh mut+alloc
227 179 48 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 6 3.5 dash -
20 16 4 4.5 bash -
18 11 8 3.4 zsh -
18 16 3 13.3 bumpleak/osh mut
20 12 9 13.8 _bin/cxx-opt+bumproot/osh mut
22 16 7 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.0 osh-native mut+alloc
23 15 8 11.1 osh-native mut+alloc+free
22 16 6 9.0 osh-native mut+alloc+free+gc
23 11 13 8.9 osh-native mut+alloc+free+gc+exit
25 12 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 19 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc