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 3 9 12.0 17.8 476,690 1,282 6 408,762 5 204,381 osh-native
parse.configure-coreutils 161 27 74 46.1 51.7 1,653,278 4,764 12 1,069,128 6 798,645 osh-native
parse.abuild 9 1 1 2.6 8.3 101,881 180 2 75,104 1 37,552 osh-native
ex.compute-fib 29 0 2 2.6 7.7 584,146 31,810 12 50,000 0 2,828 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,223 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,290 478 3 85,340 1 42,670 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 0 6 1.4 dash -
24 23 0 3.1 bash -
105 65 47 3.3 zsh -
16 16 0 28.7 bumpleak/osh mut
19 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
23 22 0 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 13 24.9 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 36 0 17.8 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 26 17 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 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
21 21 0 1.6 dash -
79 79 0 3.3 bash -
378 229 169 3.5 zsh -
50 29 21 84.0 bumpleak/osh mut
59 55 4 85.9 _bin/cxx-opt+bumproot/osh mut
71 24 47 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.4 osh-native mut+alloc
105 81 24 75.1 osh-native mut+alloc+free
161 133 28 51.7 osh-native mut+alloc+free+gc
164 136 28 50.6 osh-native mut+alloc+free+gc+exit
140 96 44 97.7 _bin/cxx-opt+nopool/osh mut+alloc
217 205 12 72.3 _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 2.9 bash -
8 0 7 3.4 zsh -
6 0 6 11.9 bumpleak/osh mut
7 0 7 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 4 4 8.3 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
11 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
11 10 0 1.6 dash -
29 28 0 2.9 bash -
24 23 0 3.3 zsh -
19 15 4 32.3 bumpleak/osh mut
26 25 0 32.0 _bin/cxx-opt+bumproot/osh mut
28 16 12 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
39 26 13 26.6 osh-native mut+alloc+free
29 24 4 7.7 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 30 23 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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
74 73 0 3.1 bash -
167 115 52 54.2 bumpleak/osh mut
178 133 44 55.5 _bin/cxx-opt+bumproot/osh mut
196 120 76 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 119 91 47.0 osh-native mut+alloc
218 141 77 48.8 osh-native mut+alloc+free
181 132 48 8.8 osh-native mut+alloc+free+gc
181 128 52 8.8 osh-native mut+alloc+free+gc+exit
231 159 72 64.1 _bin/cxx-opt+nopool/osh mut+alloc
211 175 36 9.9 _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 4 3.5 dash -
20 17 3 4.5 bash -
18 18 0 3.4 zsh -
19 11 8 13.3 bumpleak/osh mut
20 17 3 12.5 _bin/cxx-opt+bumproot/osh mut
20 16 5 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.9 osh-native mut+alloc
23 14 9 11.1 osh-native mut+alloc+free
23 17 6 8.9 osh-native mut+alloc+free+gc
23 16 7 8.8 osh-native mut+alloc+free+gc+exit
25 15 10 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc