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 18.0 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 157 26 70 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 7.9 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 182 0 4 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 8.9 116,298 478 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
7 7 0 1.6 dash -
24 23 0 2.9 bash -
104 62 49 3.3 zsh -
16 12 4 28.1 bumpleak/osh mut
20 20 0 30.2 _bin/cxx-opt+bumproot/osh mut
23 13 9 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.2 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 36 0 18.1 osh-native mut+alloc+free+gc+exit
44 28 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 37 11 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
21 21 0 1.6 dash -
77 73 4 3.3 bash -
378 182 218 3.5 zsh -
50 41 8 84.3 bumpleak/osh mut
60 56 4 84.4 _bin/cxx-opt+bumproot/osh mut
71 51 20 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 57 40 73.6 osh-native mut+alloc
106 73 33 75.4 osh-native mut+alloc+free
157 137 20 49.9 osh-native mut+alloc+free+gc
169 160 8 50.6 osh-native mut+alloc+free+gc+exit
138 97 41 97.8 _bin/cxx-opt+nopool/osh mut+alloc
219 195 24 68.2 _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 2 0 1.4 dash -
6 6 0 3.0 bash -
8 4 4 3.1 zsh -
6 6 0 10.7 bumpleak/osh mut
7 3 3 11.6 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 4 4 8.3 osh-native mut+alloc+free+gc
10 6 3 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 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 24 4 2.9 bash -
23 23 0 3.3 zsh -
19 0 19 31.2 bumpleak/osh mut
26 14 11 33.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 33 4 26.2 osh-native mut+alloc
39 23 15 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 25 4 7.9 osh-native mut+alloc+free+gc+exit
54 50 4 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 33 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
73 68 4 3.1 bash -
170 121 49 55.8 bumpleak/osh mut
180 112 68 55.9 _bin/cxx-opt+bumproot/osh mut
192 108 84 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 143 68 46.9 osh-native mut+alloc
218 151 67 48.6 osh-native mut+alloc+free
182 129 53 8.7 osh-native mut+alloc+free+gc
182 117 64 8.8 osh-native mut+alloc+free+gc+exit
230 158 71 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 168 40 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 9 1 3.4 dash -
20 13 7 4.3 bash -
18 16 3 3.5 zsh -
19 10 9 12.3 bumpleak/osh mut
19 16 4 11.8 _bin/cxx-opt+bumproot/osh mut
20 15 5 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
22 14 8 11.1 osh-native mut+alloc+free
22 19 4 8.9 osh-native mut+alloc+free+gc
23 16 8 8.9 osh-native mut+alloc+free+gc+exit
25 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc