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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 149 24 61 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 8.7 101,902 180 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 22 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 23 0 3.0 bash -
106 55 57 3.4 zsh -
17 16 0 29.9 bumpleak/osh mut
19 15 4 29.7 _bin/cxx-opt+bumproot/osh mut
23 22 0 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.2 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 31 12 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 22.3 _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 1.4 dash -
78 78 0 3.3 bash -
379 218 183 3.5 zsh -
50 34 15 85.2 bumpleak/osh mut
58 50 8 84.4 _bin/cxx-opt+bumproot/osh mut
71 63 8 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 62 35 73.5 osh-native mut+alloc
107 79 28 75.3 osh-native mut+alloc+free
149 133 16 49.9 osh-native mut+alloc+free+gc
156 124 32 50.6 osh-native mut+alloc+free+gc+exit
140 87 52 98.5 _bin/cxx-opt+nopool/osh mut+alloc
213 189 24 68.5 _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 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 10.1 bumpleak/osh mut
6 3 3 12.6 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 9 0 8.7 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
10 10 0 1.4 dash -
28 28 0 2.9 bash -
24 20 4 3.3 zsh -
20 19 0 31.8 bumpleak/osh mut
25 25 0 33.3 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.2 osh-native mut+alloc
38 26 11 26.3 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _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 69 4 3.1 bash -
170 111 59 55.4 bumpleak/osh mut
178 139 40 55.5 _bin/cxx-opt+bumproot/osh mut
194 138 55 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 76 46.8 osh-native mut+alloc
218 125 93 48.7 osh-native mut+alloc+free
181 120 60 8.8 osh-native mut+alloc+free+gc
181 124 56 8.7 osh-native mut+alloc+free+gc+exit
236 168 68 62.3 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 16 5 4.5 bash -
18 10 9 3.5 zsh -
19 13 6 12.2 bumpleak/osh mut
22 18 5 13.2 _bin/cxx-opt+bumproot/osh mut
22 20 2 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 11.0 osh-native mut+alloc
22 14 8 11.1 osh-native mut+alloc+free
22 18 5 9.0 osh-native mut+alloc+free+gc
22 20 3 9.0 osh-native mut+alloc+free+gc+exit
25 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc