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 37 4 11 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 157 22 69 44.6 50.0 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 29 0 2 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 180 0 4 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 3 3 1.6 dash -
24 19 4 3.1 bash -
105 65 47 3.4 zsh -
16 12 4 28.0 bumpleak/osh mut
20 15 4 30.0 _bin/cxx-opt+bumproot/osh mut
22 7 15 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.0 osh-native mut+alloc
31 12 19 25.7 osh-native mut+alloc+free
37 33 4 18.0 osh-native mut+alloc+free+gc
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
43 23 19 33.0 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.2 _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 -
78 77 0 3.1 bash -
376 216 181 3.5 zsh -
50 42 8 84.5 bumpleak/osh mut
61 42 19 86.0 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 49 49 73.5 osh-native mut+alloc
107 55 51 75.3 osh-native mut+alloc+free
157 137 20 50.0 osh-native mut+alloc+free+gc
153 141 12 50.4 osh-native mut+alloc+free+gc+exit
139 94 45 98.3 _bin/cxx-opt+nopool/osh mut+alloc
228 188 40 68.7 _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 3.1 zsh -
6 6 0 11.8 bumpleak/osh mut
6 0 6 10.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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 1.3 dash -
29 29 0 2.9 bash -
24 12 12 3.4 zsh -
19 15 4 32.0 bumpleak/osh mut
26 17 9 32.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
29 25 4 8.0 osh-native mut+alloc+free+gc+exit
54 33 21 36.0 _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
74 66 8 3.0 bash -
168 108 60 54.0 bumpleak/osh mut
183 139 44 55.8 _bin/cxx-opt+bumproot/osh mut
193 128 64 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 142 67 47.1 osh-native mut+alloc
218 138 79 48.7 osh-native mut+alloc+free
180 132 48 8.8 osh-native mut+alloc+free+gc
179 119 60 8.7 osh-native mut+alloc+free+gc+exit
233 188 44 62.3 _bin/cxx-opt+nopool/osh mut+alloc
208 160 48 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 4 5 3.5 dash -
20 19 1 4.5 bash -
17 13 5 3.5 zsh -
19 6 13 12.2 bumpleak/osh mut
19 16 4 12.4 _bin/cxx-opt+bumproot/osh mut
22 17 6 15.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 21 0 10.9 osh-native mut+alloc
22 16 7 11.1 osh-native mut+alloc+free
23 11 12 9.0 osh-native mut+alloc+free+gc
23 11 13 9.0 osh-native mut+alloc+free+gc+exit
24 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc