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 18.1 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 160 26 71 44.6 49.9 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 181 0 3 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,311 478 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 -
24 20 4 3.1 bash -
105 53 57 3.4 zsh -
17 16 0 29.2 bumpleak/osh mut
20 12 8 29.5 _bin/cxx-opt+bumproot/osh mut
23 14 9 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
36 32 4 18.1 osh-native mut+alloc+free+gc
37 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 33.0 _bin/cxx-opt+nopool/osh mut+alloc
48 43 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 22 0 1.6 dash -
78 78 0 3.1 bash -
379 238 163 3.5 zsh -
50 46 4 85.1 bumpleak/osh mut
59 51 8 85.7 _bin/cxx-opt+bumproot/osh mut
70 59 12 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 72 28 73.6 osh-native mut+alloc
109 64 44 75.3 osh-native mut+alloc+free
160 144 16 49.9 osh-native mut+alloc+free+gc
170 145 24 50.6 osh-native mut+alloc+free+gc+exit
139 76 64 98.0 _bin/cxx-opt+nopool/osh mut+alloc
239 210 28 67.9 _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 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 10.4 bumpleak/osh mut
7 7 0 11.8 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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
11 10 0 1.4 dash -
28 25 4 3.0 bash -
24 20 4 3.1 zsh -
20 16 4 32.6 bumpleak/osh mut
26 22 4 31.8 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
39 23 15 26.3 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 41 12 36.4 _bin/cxx-opt+nopool/osh mut+alloc
38 29 8 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
75 67 8 3.1 bash -
169 137 32 54.9 bumpleak/osh mut
178 127 51 56.1 _bin/cxx-opt+bumproot/osh mut
194 146 49 54.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 47.0 osh-native mut+alloc
217 141 76 48.7 osh-native mut+alloc+free
181 124 56 8.8 osh-native mut+alloc+free+gc
182 130 51 8.8 osh-native mut+alloc+free+gc+exit
234 171 64 62.8 _bin/cxx-opt+nopool/osh mut+alloc
213 157 56 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 6 5 3.4 dash -
20 19 1 4.5 bash -
18 6 12 3.5 zsh -
20 6 14 12.4 bumpleak/osh mut
20 15 5 12.4 _bin/cxx-opt+bumproot/osh mut
22 12 9 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.9 osh-native mut+alloc
23 16 8 11.0 osh-native mut+alloc+free
23 15 9 9.0 osh-native mut+alloc+free+gc
23 21 2 9.0 osh-native mut+alloc+free+gc+exit
25 21 5 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc