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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 148 24 62 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 8.4 101,875 180 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 181 0 3 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,284 478 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
7 3 3 1.6 dash -
23 19 4 3.1 bash -
104 60 51 3.4 zsh -
16 16 0 29.4 bumpleak/osh mut
20 20 0 28.8 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
31 15 15 25.4 osh-native mut+alloc+free
34 31 4 18.0 osh-native mut+alloc+free+gc
37 28 8 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.1 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 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 22 0 1.6 dash -
80 80 0 3.1 bash -
375 207 190 3.4 zsh -
50 37 12 84.8 bumpleak/osh mut
64 60 4 86.0 _bin/cxx-opt+bumproot/osh mut
69 57 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.3 osh-native mut+alloc
106 78 27 75.1 osh-native mut+alloc+free
148 132 16 51.4 osh-native mut+alloc+free+gc
153 121 31 52.2 osh-native mut+alloc+free+gc+exit
139 103 36 98.7 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 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 2.9 bash -
8 4 4 3.4 zsh -
6 6 0 11.0 bumpleak/osh mut
7 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 0 8 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 10 0 1.4 dash -
28 28 0 3.0 bash -
23 23 0 3.3 zsh -
19 11 8 31.8 bumpleak/osh mut
25 22 4 32.2 _bin/cxx-opt+bumproot/osh mut
27 23 5 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
37 26 11 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
53 33 20 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 65 8 3.1 bash -
168 124 44 53.9 bumpleak/osh mut
178 113 65 55.8 _bin/cxx-opt+bumproot/osh mut
192 148 44 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 150 59 46.9 osh-native mut+alloc
218 133 85 48.8 osh-native mut+alloc+free
181 129 52 8.8 osh-native mut+alloc+free+gc
181 144 36 8.8 osh-native mut+alloc+free+gc+exit
231 135 95 62.6 _bin/cxx-opt+nopool/osh mut+alloc
210 157 52 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 9 1 3.4 dash -
20 17 3 4.5 bash -
17 7 12 3.4 zsh -
20 12 9 12.6 bumpleak/osh mut
21 16 5 12.8 _bin/cxx-opt+bumproot/osh mut
20 13 7 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.7 osh-native mut+alloc
22 12 11 10.9 osh-native mut+alloc+free
23 12 11 8.8 osh-native mut+alloc+free+gc
23 16 7 8.8 osh-native mut+alloc+free+gc+exit
25 11 15 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc