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 35 3 9 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 141 21 56 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 21 1 2 2.8 8.9 116,311 478 3 85,370 1 42,685 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 3.1 bash -
103 58 52 3.5 zsh -
16 12 4 28.7 bumpleak/osh mut
19 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
21 14 7 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.2 osh-native mut+alloc
31 22 9 25.6 osh-native mut+alloc+free
35 21 13 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
42 23 19 32.1 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 21 0 1.6 dash -
77 77 0 3.1 bash -
374 224 172 3.5 zsh -
48 32 16 85.3 bumpleak/osh mut
61 52 8 85.0 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 77 20 73.3 osh-native mut+alloc
104 76 28 75.1 osh-native mut+alloc+free
141 121 20 49.8 osh-native mut+alloc+free+gc
146 129 16 50.7 osh-native mut+alloc+free+gc+exit
138 86 51 98.6 _bin/cxx-opt+nopool/osh mut+alloc
203 183 20 67.2 _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 4 4 3.3 zsh -
6 3 3 10.5 bumpleak/osh mut
6 0 6 10.9 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 1.3 dash -
28 28 0 3.0 bash -
24 16 8 3.1 zsh -
20 20 0 32.5 bumpleak/osh mut
26 26 0 33.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.1 osh-native mut+alloc
38 26 11 26.3 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 37 16 35.8 _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
72 72 0 3.1 bash -
167 115 52 55.6 bumpleak/osh mut
181 116 64 55.8 _bin/cxx-opt+bumproot/osh mut
192 132 60 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 156 52 47.1 osh-native mut+alloc
215 129 85 48.7 osh-native mut+alloc+free
179 123 56 8.7 osh-native mut+alloc+free+gc
178 121 57 8.5 osh-native mut+alloc+free+gc+exit
228 144 84 62.9 _bin/cxx-opt+nopool/osh mut+alloc
207 158 49 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
9 8 1 3.4 dash -
19 18 2 4.5 bash -
18 10 8 3.5 zsh -
19 17 2 12.5 bumpleak/osh mut
19 11 8 12.2 _bin/cxx-opt+bumproot/osh mut
21 16 5 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 11 10.9 osh-native mut+alloc
21 19 3 11.1 osh-native mut+alloc+free
21 15 7 8.9 osh-native mut+alloc+free+gc
22 17 6 9.0 osh-native mut+alloc+free+gc+exit
24 10 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc