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 35 3 9 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 23 61 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,289 478 3 85,334 1 42,667 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 -
23 19 4 2.9 bash -
104 49 61 3.4 zsh -
16 12 4 29.3 bumpleak/osh mut
19 8 12 28.4 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 26 4 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
43 23 20 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 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 1.6 dash -
77 62 15 3.1 bash -
378 192 208 3.5 zsh -
48 32 16 84.7 bumpleak/osh mut
59 43 16 86.1 _bin/cxx-opt+bumproot/osh mut
69 42 27 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 84 16 73.4 osh-native mut+alloc
106 77 29 75.3 osh-native mut+alloc+free
148 116 32 51.6 osh-native mut+alloc+free+gc
155 122 33 52.1 osh-native mut+alloc+free+gc+exit
140 76 64 98.6 _bin/cxx-opt+nopool/osh mut+alloc
213 173 40 73.2 _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 2 0 1.3 dash -
6 3 3 2.9 bash -
8 8 0 3.3 zsh -
7 3 3 11.7 bumpleak/osh mut
6 6 0 12.4 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 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
11 10 0 1.4 dash -
29 29 0 2.9 bash -
23 23 0 3.3 zsh -
19 14 5 31.7 bumpleak/osh mut
26 22 4 32.4 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 37 0 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 37 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 74 0 3.1 bash -
167 123 44 54.5 bumpleak/osh mut
177 121 56 54.5 _bin/cxx-opt+bumproot/osh mut
195 122 73 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 135 75 47.2 osh-native mut+alloc
217 110 107 48.9 osh-native mut+alloc+free
181 141 39 8.7 osh-native mut+alloc+free+gc
181 136 44 8.7 osh-native mut+alloc+free+gc+exit
233 166 67 62.6 _bin/cxx-opt+nopool/osh mut+alloc
209 156 52 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
9 4 5 3.5 dash -
19 13 7 4.3 bash -
17 6 12 3.5 zsh -
20 11 9 12.6 bumpleak/osh mut
19 15 4 13.5 _bin/cxx-opt+bumproot/osh mut
22 16 6 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 11.0 osh-native mut+alloc
22 15 7 10.9 osh-native mut+alloc+free
22 17 6 8.9 osh-native mut+alloc+free+gc
23 17 6 8.8 osh-native mut+alloc+free+gc+exit
25 22 3 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc