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 38 5 11 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 183 30 93 46.1 51.2 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 184 0 4 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,276 478 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 -
105 63 49 3.4 zsh -
17 12 4 27.8 bumpleak/osh mut
21 14 7 29.7 _bin/cxx-opt+bumproot/osh mut
23 14 9 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
38 30 7 17.8 osh-native mut+alloc+free+gc
38 33 4 18.0 osh-native mut+alloc+free+gc+exit
45 22 22 32.2 _bin/cxx-opt+nopool/osh mut+alloc
53 38 15 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 1.4 dash -
78 74 4 3.1 bash -
379 230 172 3.7 zsh -
51 31 20 85.2 bumpleak/osh mut
60 48 12 84.7 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 58 39 73.4 osh-native mut+alloc
108 84 24 75.0 osh-native mut+alloc+free
183 150 32 51.2 osh-native mut+alloc+free+gc
186 158 28 52.1 osh-native mut+alloc+free+gc+exit
140 108 32 97.4 _bin/cxx-opt+nopool/osh mut+alloc
258 213 44 72.2 _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 1.3 dash -
6 6 0 2.9 bash -
8 0 7 3.4 zsh -
6 3 3 11.0 bumpleak/osh mut
7 4 4 11.2 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 6 3 8.4 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 1.6 dash -
28 28 0 3.0 bash -
23 14 9 3.4 zsh -
19 19 0 32.9 bumpleak/osh mut
26 23 4 32.9 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.2 osh-native mut+alloc
38 25 13 26.7 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
53 33 20 36.4 _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 65 8 3.1 bash -
170 130 40 55.8 bumpleak/osh mut
179 143 36 55.0 _bin/cxx-opt+bumproot/osh mut
197 121 76 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 124 88 47.2 osh-native mut+alloc
243 153 89 48.9 osh-native mut+alloc+free
184 120 64 8.7 osh-native mut+alloc+free+gc
181 126 55 8.8 osh-native mut+alloc+free+gc+exit
234 141 93 62.8 _bin/cxx-opt+nopool/osh mut+alloc
212 144 68 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 3.4 dash -
20 10 11 4.3 bash -
18 16 3 3.7 zsh -
19 8 11 11.7 bumpleak/osh mut
22 17 5 12.5 _bin/cxx-opt+bumproot/osh mut
23 18 6 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
23 11 13 11.0 osh-native mut+alloc+free
23 13 10 8.9 osh-native mut+alloc+free+gc
24 17 8 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 17 9 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc