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 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 153 24 67 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 8.5 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,154 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 8.7 116,298 478 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 1.6 dash -
24 23 0 3.1 bash -
103 54 55 3.4 zsh -
16 16 0 28.6 bumpleak/osh mut
20 19 0 29.4 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.3 osh-native mut+alloc
32 23 8 25.4 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 24 12 18.1 osh-native mut+alloc+free+gc+exit
43 30 13 32.6 _bin/cxx-opt+nopool/osh mut+alloc
49 41 8 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
21 21 0 1.4 dash -
78 77 0 3.3 bash -
378 228 170 3.5 zsh -
48 48 0 85.5 bumpleak/osh mut
60 52 8 86.1 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 68 28 73.6 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
153 129 24 49.9 osh-native mut+alloc+free+gc
157 141 16 50.6 osh-native mut+alloc+free+gc+exit
139 103 36 98.8 _bin/cxx-opt+nopool/osh mut+alloc
212 188 24 67.7 _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 -
9 0 8 3.3 zsh -
6 6 0 10.9 bumpleak/osh mut
6 6 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 6 6 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 1.6 dash -
29 25 4 2.9 bash -
23 16 8 3.3 zsh -
19 11 7 31.4 bumpleak/osh mut
26 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
29 29 0 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.1 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
29 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 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 69 4 3.1 bash -
169 125 44 55.6 bumpleak/osh mut
181 130 51 55.7 _bin/cxx-opt+bumproot/osh mut
195 111 84 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 112 100 47.0 osh-native mut+alloc
218 141 77 48.7 osh-native mut+alloc+free
182 135 48 8.7 osh-native mut+alloc+free+gc
182 130 51 8.7 osh-native mut+alloc+free+gc+exit
232 136 96 63.3 _bin/cxx-opt+nopool/osh mut+alloc
208 159 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 9 1 3.4 dash -
20 15 5 4.3 bash -
18 18 0 3.4 zsh -
19 11 9 13.0 bumpleak/osh mut
21 19 2 12.8 _bin/cxx-opt+bumproot/osh mut
21 14 7 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 7 14 10.9 osh-native mut+alloc
23 16 7 11.3 osh-native mut+alloc+free
22 13 10 8.7 osh-native mut+alloc+free+gc
23 19 4 8.9 osh-native mut+alloc+free+gc+exit
25 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc