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 37 4 10 12.0 17.8 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 162 26 72 46.1 51.3 1,653,224 4,764 12 1,069,052 6 798,607 osh-native
parse.abuild 9 1 1 2.6 8.4 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 2 3.1 7.7 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 186 0 4 12.3 8.7 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,032 478 3 85,262 1 42,631 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 3 3 1.6 dash -
23 23 0 3.0 bash -
104 51 59 3.4 zsh -
16 12 4 28.5 bumpleak/osh mut
20 16 4 29.2 _bin/cxx-opt+bumproot/osh mut
23 22 0 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 24.9 osh-native mut+alloc
32 20 12 25.3 osh-native mut+alloc+free
37 33 4 17.8 osh-native mut+alloc+free+gc
38 38 0 17.8 osh-native mut+alloc+free+gc+exit
45 41 4 32.2 _bin/cxx-opt+nopool/osh mut+alloc
53 42 11 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 1.6 dash -
81 77 4 3.1 bash -
380 213 188 3.4 zsh -
49 45 4 84.5 bumpleak/osh mut
61 53 8 84.8 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 66 31 73.3 osh-native mut+alloc
113 80 32 75.3 osh-native mut+alloc+free
162 150 12 51.3 osh-native mut+alloc+free+gc
163 139 24 52.2 osh-native mut+alloc+free+gc+exit
138 89 49 99.0 _bin/cxx-opt+nopool/osh mut+alloc
218 174 43 73.1 _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 0 6 3.0 bash -
8 7 0 3.1 zsh -
6 3 3 10.2 bumpleak/osh mut
6 6 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
10 3 6 8.3 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 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
11 11 0 1.6 dash -
29 25 4 3.0 bash -
24 20 4 3.4 zsh -
20 20 0 31.4 bumpleak/osh mut
27 19 8 33.0 _bin/cxx-opt+bumproot/osh mut
30 25 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 26 11 26.6 osh-native mut+alloc
40 31 9 27.1 osh-native mut+alloc+free
29 25 4 7.7 osh-native mut+alloc+free+gc
29 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 39 15 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.2 _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 3.1 bash -
171 87 83 56.7 bumpleak/osh mut
181 116 64 57.8 _bin/cxx-opt+bumproot/osh mut
196 144 52 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 121 93 48.8 osh-native mut+alloc
225 152 72 50.7 osh-native mut+alloc+free
186 138 47 8.7 osh-native mut+alloc+free+gc
185 128 56 8.7 osh-native mut+alloc+free+gc+exit
234 145 89 64.2 _bin/cxx-opt+nopool/osh mut+alloc
213 146 67 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 6 4 3.4 dash -
20 13 7 4.5 bash -
18 10 9 3.5 zsh -
19 11 8 11.5 bumpleak/osh mut
22 20 2 13.0 _bin/cxx-opt+bumproot/osh mut
21 8 13 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 10.9 osh-native mut+alloc
23 16 7 11.1 osh-native mut+alloc+free
23 12 12 8.9 osh-native mut+alloc+free+gc
23 19 5 8.8 osh-native mut+alloc+free+gc+exit
26 20 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 15 12 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc