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 18.0 476,679 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 151 24 64 46.1 51.6 1,653,267 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 9 1 1 2.6 8.4 101,870 180 2 75,090 1 37,545 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,135 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.8 995,212 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,279 478 3 85,326 1 42,663 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 19 4 3.0 bash -
104 46 63 3.4 zsh -
16 16 0 29.4 bumpleak/osh mut
20 19 0 29.4 _bin/cxx-opt+bumproot/osh mut
25 25 0 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 17 25.0 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 29 8 18.1 osh-native mut+alloc+free+gc+exit
43 23 19 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 27 19 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
22 18 4 1.6 dash -
77 76 0 3.0 bash -
375 211 185 3.4 zsh -
49 41 8 85.9 bumpleak/osh mut
61 53 8 84.9 _bin/cxx-opt+bumproot/osh mut
72 56 16 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 68 28 73.4 osh-native mut+alloc
105 76 28 75.3 osh-native mut+alloc+free
151 122 28 51.6 osh-native mut+alloc+free+gc
158 130 28 52.3 osh-native mut+alloc+free+gc+exit
138 102 37 98.4 _bin/cxx-opt+nopool/osh mut+alloc
202 170 32 72.9 _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 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 10.4 bumpleak/osh mut
7 0 7 11.4 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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 -
28 28 0 2.9 bash -
24 19 4 3.3 zsh -
19 15 4 34.7 bumpleak/osh mut
27 27 0 32.4 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 19 19 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 31 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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 64 8 3.1 bash -
169 132 36 55.2 bumpleak/osh mut
179 103 76 56.1 _bin/cxx-opt+bumproot/osh mut
192 120 72 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 111 100 47.1 osh-native mut+alloc
217 160 56 48.9 osh-native mut+alloc+free
181 133 48 8.8 osh-native mut+alloc+free+gc
183 166 16 8.8 osh-native mut+alloc+free+gc+exit
233 156 76 62.8 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 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 3.5 dash -
20 14 7 4.5 bash -
18 11 7 3.5 zsh -
18 10 8 11.3 bumpleak/osh mut
19 10 10 13.7 _bin/cxx-opt+bumproot/osh mut
21 13 8 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.7 osh-native mut+alloc
23 20 3 11.0 osh-native mut+alloc+free
22 20 3 8.9 osh-native mut+alloc+free+gc
23 13 10 8.8 osh-native mut+alloc+free+gc+exit
25 11 14 12.6 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc