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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 152 24 65 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,276 478 3 85,322 1 42,661 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
23 19 4 3.1 bash -
105 60 51 3.3 zsh -
17 13 4 28.4 bumpleak/osh mut
20 19 0 28.2 _bin/cxx-opt+bumproot/osh mut
22 9 13 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 14 25.2 osh-native mut+alloc
31 15 15 25.6 osh-native mut+alloc+free
36 24 12 17.8 osh-native mut+alloc+free+gc
37 30 7 18.1 osh-native mut+alloc+free+gc+exit
43 27 15 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 38 11 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 1.6 dash -
78 74 4 3.1 bash -
379 224 177 3.7 zsh -
49 36 12 85.3 bumpleak/osh mut
60 40 20 84.4 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.3 osh-native mut+alloc
105 73 32 75.1 osh-native mut+alloc+free
152 136 16 51.4 osh-native mut+alloc+free+gc
157 125 31 52.1 osh-native mut+alloc+free+gc+exit
138 98 39 98.4 _bin/cxx-opt+nopool/osh mut+alloc
220 176 44 71.8 _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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 11.0 bumpleak/osh mut
6 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 9.8 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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
10 10 0 1.4 dash -
31 30 0 2.9 bash -
24 16 8 3.4 zsh -
19 19 0 32.3 bumpleak/osh mut
25 25 0 33.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 29 8 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
53 45 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 29 8 9.3 _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 73 0 3.0 bash -
169 96 72 54.1 bumpleak/osh mut
179 139 40 54.9 _bin/cxx-opt+bumproot/osh mut
195 131 63 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 76 47.1 osh-native mut+alloc
220 136 84 48.9 osh-native mut+alloc+free
181 121 60 8.7 osh-native mut+alloc+free+gc
182 117 65 8.7 osh-native mut+alloc+free+gc+exit
234 155 79 64.0 _bin/cxx-opt+nopool/osh mut+alloc
212 171 40 10.2 _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 -
17 16 2 3.4 zsh -
19 18 2 12.2 bumpleak/osh mut
20 11 9 12.0 _bin/cxx-opt+bumproot/osh mut
21 7 15 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 5 11.0 osh-native mut+alloc
23 12 11 10.9 osh-native mut+alloc+free
23 12 11 8.8 osh-native mut+alloc+free+gc
23 18 5 8.9 osh-native mut+alloc+free+gc+exit
25 19 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc