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 39 5 12 12.0 17.6 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 150 24 62 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 8.3 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 2 3.1 7.6 584,088 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 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
6 6 0 1.4 dash -
23 19 4 3.1 bash -
105 65 46 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
20 10 10 28.7 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.0 osh-native mut+alloc
31 22 9 25.6 osh-native mut+alloc+free
39 31 8 17.6 osh-native mut+alloc+free+gc
37 36 0 17.8 osh-native mut+alloc+free+gc+exit
43 15 27 32.6 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 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 -
378 223 176 3.4 zsh -
49 38 11 84.4 bumpleak/osh mut
62 50 12 85.3 _bin/cxx-opt+bumproot/osh mut
70 53 16 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 54 43 73.3 osh-native mut+alloc
105 60 44 75.1 osh-native mut+alloc+free
150 130 20 51.3 osh-native mut+alloc+free+gc
154 130 24 52.3 osh-native mut+alloc+free+gc+exit
138 93 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
214 174 40 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 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.4 zsh -
6 3 3 10.1 bumpleak/osh mut
7 0 7 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 3 6 8.3 osh-native mut+alloc+free+gc
9 5 5 8.4 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 1.3 dash -
29 28 0 3.0 bash -
24 16 8 3.3 zsh -
20 12 8 31.7 bumpleak/osh mut
26 18 9 33.3 _bin/cxx-opt+bumproot/osh mut
29 22 7 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.6 osh-native mut+alloc
39 27 12 27.0 osh-native mut+alloc+free
29 29 0 7.6 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 49 4 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 69 4 3.1 bash -
170 117 53 57.0 bumpleak/osh mut
180 132 48 57.9 _bin/cxx-opt+bumproot/osh mut
196 120 76 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 147 68 48.7 osh-native mut+alloc
222 170 52 50.6 osh-native mut+alloc+free
184 112 72 8.7 osh-native mut+alloc+free+gc
183 147 36 8.5 osh-native mut+alloc+free+gc+exit
234 121 113 65.0 _bin/cxx-opt+nopool/osh mut+alloc
213 145 68 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 3.5 dash -
20 13 7 4.3 bash -
18 10 9 3.5 zsh -
21 19 2 12.7 bumpleak/osh mut
21 14 7 12.1 _bin/cxx-opt+bumproot/osh mut
20 9 12 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 10.7 osh-native mut+alloc
23 15 9 10.9 osh-native mut+alloc+free
23 18 5 8.9 osh-native mut+alloc+free+gc
23 22 2 8.9 osh-native mut+alloc+free+gc+exit
25 19 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc