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 150 23 64 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 29 0 2 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 995,244 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 54 58 3.4 zsh -
16 16 0 29.9 bumpleak/osh mut
19 11 8 29.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.3 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 32.5 _bin/cxx-opt+nopool/osh mut+alloc
49 48 0 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
21 21 0 1.4 dash -
78 78 0 3.1 bash -
377 220 177 3.5 zsh -
49 40 8 84.7 bumpleak/osh mut
60 48 12 85.1 _bin/cxx-opt+bumproot/osh mut
70 53 16 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.6 osh-native mut+alloc
106 65 41 75.3 osh-native mut+alloc+free
150 126 24 49.9 osh-native mut+alloc+free+gc
154 129 24 50.4 osh-native mut+alloc+free+gc+exit
145 97 48 99.0 _bin/cxx-opt+nopool/osh mut+alloc
211 183 28 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 0 2 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
7 3 3 11.6 bumpleak/osh mut
7 0 7 11.7 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 0 9 10.0 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 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 -
29 29 0 3.0 bash -
23 20 4 3.3 zsh -
19 15 4 31.4 bumpleak/osh mut
26 26 0 33.1 _bin/cxx-opt+bumproot/osh mut
28 16 12 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.3 osh-native mut+alloc
39 35 4 26.5 osh-native mut+alloc+free
29 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 42 12 36.5 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.3 _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 64 8 2.9 bash -
169 104 64 53.9 bumpleak/osh mut
179 113 65 55.4 _bin/cxx-opt+bumproot/osh mut
191 115 75 54.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 130 79 47.0 osh-native mut+alloc
214 115 99 48.7 osh-native mut+alloc+free
181 120 60 8.7 osh-native mut+alloc+free+gc
182 109 73 8.7 osh-native mut+alloc+free+gc+exit
230 146 83 63.8 _bin/cxx-opt+nopool/osh mut+alloc
210 139 71 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 5 6 3.5 dash -
20 14 5 4.5 bash -
18 17 1 3.5 zsh -
19 16 4 12.0 bumpleak/osh mut
20 12 8 12.4 _bin/cxx-opt+bumproot/osh mut
21 14 8 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 11.0 osh-native mut+alloc
22 10 12 11.0 osh-native mut+alloc+free
22 11 12 9.0 osh-native mut+alloc+free+gc
23 20 3 8.9 osh-native mut+alloc+free+gc+exit
24 12 13 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc