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 35 3 9 12.0 18.0 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 144 22 56 46.1 51.4 1,653,224 4,764 12 1,069,052 6 798,607 osh-native
parse.abuild 9 1 1 2.6 8.5 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 28 0 1 3.1 7.7 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 184 0 3 12.3 8.7 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,032 478 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
6 3 3 1.6 dash -
23 23 0 3.0 bash -
105 60 51 3.4 zsh -
17 13 4 29.5 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 29 0 25.0 osh-native mut+alloc
31 31 0 25.3 osh-native mut+alloc+free
35 23 11 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
42 38 4 33.1 _bin/cxx-opt+nopool/osh mut+alloc
47 39 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 1.6 dash -
78 78 0 3.3 bash -
376 184 214 3.4 zsh -
49 37 12 85.5 bumpleak/osh mut
60 52 8 84.4 _bin/cxx-opt+bumproot/osh mut
71 63 8 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 51 47 73.3 osh-native mut+alloc
121 81 40 75.3 osh-native mut+alloc+free
144 128 16 51.4 osh-native mut+alloc+free+gc
148 132 16 52.3 osh-native mut+alloc+free+gc+exit
140 88 52 98.4 _bin/cxx-opt+nopool/osh mut+alloc
214 186 28 72.1 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 11.9 bumpleak/osh mut
6 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 3 6 9.7 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 5 5 8.3 osh-native mut+alloc+free+gc+exit
12 4 8 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 7 3 1.4 dash -
29 29 0 2.9 bash -
24 23 0 3.3 zsh -
19 15 4 32.7 bumpleak/osh mut
27 23 4 32.8 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.7 osh-native mut+alloc
38 25 13 27.1 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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
74 62 12 3.1 bash -
169 121 48 57.0 bumpleak/osh mut
182 117 65 56.5 _bin/cxx-opt+bumproot/osh mut
194 126 67 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 132 80 48.9 osh-native mut+alloc
222 150 73 50.6 osh-native mut+alloc+free
184 112 72 8.7 osh-native mut+alloc+free+gc
183 138 45 8.7 osh-native mut+alloc+free+gc+exit
231 147 84 65.5 _bin/cxx-opt+nopool/osh mut+alloc
210 169 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 7 3 3.4 dash -
20 12 8 4.3 bash -
18 11 7 3.5 zsh -
19 18 1 12.0 bumpleak/osh mut
21 9 13 13.4 _bin/cxx-opt+bumproot/osh mut
21 13 8 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.7 osh-native mut+alloc
22 17 5 10.9 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
22 13 10 8.9 osh-native mut+alloc+free+gc+exit
25 12 13 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc