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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 153 25 66 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,284 478 3 85,332 1 42,666 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 2.9 bash -
104 60 51 3.3 zsh -
16 12 4 29.8 bumpleak/osh mut
19 19 0 29.9 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 8 23 25.4 osh-native mut+alloc+free
36 36 0 17.8 osh-native mut+alloc+free+gc
36 20 16 18.0 osh-native mut+alloc+free+gc+exit
43 15 27 32.3 _bin/cxx-opt+nopool/osh mut+alloc
49 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 -
77 77 0 3.3 bash -
375 202 195 3.5 zsh -
48 44 4 85.2 bumpleak/osh mut
59 55 4 85.6 _bin/cxx-opt+bumproot/osh mut
70 65 4 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 78 21 73.4 osh-native mut+alloc
106 85 20 75.3 osh-native mut+alloc+free
153 129 24 51.4 osh-native mut+alloc+free+gc
157 120 36 52.1 osh-native mut+alloc+free+gc+exit
138 89 49 97.6 _bin/cxx-opt+nopool/osh mut+alloc
220 179 40 73.3 _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 1.3 dash -
6 6 0 2.9 bash -
8 0 7 3.1 zsh -
7 6 0 11.5 bumpleak/osh mut
7 7 0 11.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 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 10 0 1.4 dash -
29 29 0 3.0 bash -
24 16 8 3.3 zsh -
20 16 4 32.4 bumpleak/osh mut
25 21 4 33.2 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
39 39 0 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 27 27 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 30 7 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
74 70 4 3.1 bash -
167 88 80 54.1 bumpleak/osh mut
179 119 60 55.3 _bin/cxx-opt+bumproot/osh mut
194 135 59 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 124 88 47.1 osh-native mut+alloc
219 141 77 48.9 osh-native mut+alloc+free
182 133 48 8.5 osh-native mut+alloc+free+gc
184 144 40 8.5 osh-native mut+alloc+free+gc+exit
231 145 85 63.1 _bin/cxx-opt+nopool/osh mut+alloc
210 145 64 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 5 5 3.5 dash -
20 14 6 4.3 bash -
18 11 7 3.5 zsh -
20 14 6 12.8 bumpleak/osh mut
22 12 10 12.9 _bin/cxx-opt+bumproot/osh mut
21 18 3 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 12 10.9 osh-native mut+alloc
23 18 5 10.9 osh-native mut+alloc+free
22 20 3 8.9 osh-native mut+alloc+free+gc
23 18 6 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc