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 34 3 9 12.0 17.6 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 146 23 59 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 8.3 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 180 0 3 12.3 8.8 1,014,641 27,376 21 50,000 0 3,822 osh-native
ex.abuild-print-help 21 1 2 2.8 8.9 116,248 478 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
102 48 60 3.4 zsh -
16 12 4 27.7 bumpleak/osh mut
20 19 0 28.7 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 16 25.0 osh-native mut+alloc
30 19 11 25.4 osh-native mut+alloc+free
34 27 8 17.6 osh-native mut+alloc+free+gc
34 25 8 18.0 osh-native mut+alloc+free+gc+exit
43 15 27 33.1 _bin/cxx-opt+nopool/osh mut+alloc
47 42 4 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 74 4 3.1 bash -
367 179 208 3.4 zsh -
49 45 4 85.4 bumpleak/osh mut
58 54 4 86.2 _bin/cxx-opt+bumproot/osh mut
71 29 41 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
92 68 24 73.4 osh-native mut+alloc
100 72 28 75.4 osh-native mut+alloc+free
146 122 24 51.4 osh-native mut+alloc+free+gc
147 110 37 52.2 osh-native mut+alloc+free+gc+exit
136 84 52 99.1 _bin/cxx-opt+nopool/osh mut+alloc
205 152 52 73.6 _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 -
5 5 0 2.9 bash -
7 4 4 3.3 zsh -
5 5 0 11.9 bumpleak/osh mut
6 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 3 6 8.3 osh-native mut+alloc+free+gc
9 9 0 8.3 osh-native mut+alloc+free+gc+exit
11 7 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.6 _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 9 0 1.4 dash -
27 27 0 2.9 bash -
22 22 0 3.3 zsh -
18 13 4 31.2 bumpleak/osh mut
25 20 4 32.4 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.5 osh-native mut+alloc
38 19 19 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
29 21 7 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.4 _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 72 0 3.1 bash -
165 105 60 56.9 bumpleak/osh mut
177 97 81 57.6 _bin/cxx-opt+bumproot/osh mut
194 137 56 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
205 130 75 49.2 osh-native mut+alloc
219 143 75 51.2 osh-native mut+alloc+free
180 140 40 8.8 osh-native mut+alloc+free+gc
182 161 20 8.7 osh-native mut+alloc+free+gc+exit
228 168 60 66.6 _bin/cxx-opt+nopool/osh mut+alloc
204 146 57 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 7 3 3.5 dash -
19 13 7 4.3 bash -
18 5 13 3.4 zsh -
19 17 3 12.2 bumpleak/osh mut
19 16 4 13.3 _bin/cxx-opt+bumproot/osh mut
20 13 7 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 10 10.7 osh-native mut+alloc
21 11 11 11.1 osh-native mut+alloc+free
21 19 3 8.9 osh-native mut+alloc+free+gc
21 17 5 8.8 osh-native mut+alloc+free+gc+exit
24 12 13 12.3 _bin/cxx-opt+nopool/osh mut+alloc
24 19 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc