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 151 25 63 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 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 182 0 3 10.6 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,289 478 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 6 0 1.6 dash -
24 24 0 3.0 bash -
103 60 50 3.5 zsh -
16 16 0 27.7 bumpleak/osh mut
20 13 7 29.9 _bin/cxx-opt+bumproot/osh mut
22 11 11 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.2 osh-native mut+alloc
31 15 15 25.7 osh-native mut+alloc+free
35 26 9 18.0 osh-native mut+alloc+free+gc
35 31 4 17.8 osh-native mut+alloc+free+gc+exit
43 27 16 33.0 _bin/cxx-opt+nopool/osh mut+alloc
47 31 15 22.5 _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 -
78 74 4 3.3 bash -
377 189 210 3.5 zsh -
49 41 8 84.5 bumpleak/osh mut
60 56 4 86.2 _bin/cxx-opt+bumproot/osh mut
70 57 12 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 61 36 73.3 osh-native mut+alloc
106 69 37 75.0 osh-native mut+alloc+free
151 119 32 51.4 osh-native mut+alloc+free+gc
153 129 24 52.2 osh-native mut+alloc+free+gc+exit
139 91 48 99.4 _bin/cxx-opt+nopool/osh mut+alloc
208 187 20 73.6 _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 -
6 6 0 11.6 bumpleak/osh mut
6 3 3 11.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 0 9 8.4 osh-native mut+alloc+free+gc
9 0 9 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.6 _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 7 3 1.4 dash -
29 24 4 3.0 bash -
24 16 8 3.4 zsh -
18 15 4 32.9 bumpleak/osh mut
25 21 4 32.6 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 30 8 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 27 0 8.0 osh-native mut+alloc+free+gc+exit
53 45 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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 73 0 3.3 bash -
167 119 48 54.4 bumpleak/osh mut
179 107 72 56.3 _bin/cxx-opt+bumproot/osh mut
196 144 52 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 153 56 47.1 osh-native mut+alloc
217 129 88 48.8 osh-native mut+alloc+free
182 138 43 8.5 osh-native mut+alloc+free+gc
181 124 56 8.8 osh-native mut+alloc+free+gc+exit
233 136 96 62.4 _bin/cxx-opt+nopool/osh mut+alloc
209 137 72 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 5 6 3.4 dash -
19 13 7 4.3 bash -
18 14 5 3.5 zsh -
18 14 5 11.6 bumpleak/osh mut
19 12 8 13.4 _bin/cxx-opt+bumproot/osh mut
20 18 3 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 11.0 osh-native mut+alloc
22 19 3 11.0 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
22 21 2 8.9 osh-native mut+alloc+free+gc+exit
24 11 13 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc