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 18.1 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 161 26 71 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 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 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 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 6 0 1.4 dash -
23 19 4 3.0 bash -
107 51 63 3.4 zsh -
16 15 0 28.3 bumpleak/osh mut
20 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
23 15 7 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.2 osh-native mut+alloc
31 24 8 25.4 osh-native mut+alloc+free
35 27 8 18.1 osh-native mut+alloc+free+gc
38 30 8 17.8 osh-native mut+alloc+free+gc+exit
44 36 8 33.3 _bin/cxx-opt+nopool/osh mut+alloc
50 38 11 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 14 7 1.6 dash -
78 74 4 3.3 bash -
376 197 200 3.4 zsh -
48 40 8 84.1 bumpleak/osh mut
63 55 8 84.6 _bin/cxx-opt+bumproot/osh mut
68 52 16 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 70 27 73.4 osh-native mut+alloc
106 74 31 75.3 osh-native mut+alloc+free
161 132 28 51.4 osh-native mut+alloc+free+gc
157 141 16 52.1 osh-native mut+alloc+free+gc+exit
138 93 45 99.3 _bin/cxx-opt+nopool/osh mut+alloc
220 188 32 71.7 _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 0 2 1.3 dash -
6 3 3 2.9 bash -
8 0 8 3.1 zsh -
6 6 0 11.2 bumpleak/osh mut
7 3 3 10.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.6 _bin/cxx-opt+nopool/osh mut+alloc
11 8 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 7 3 1.4 dash -
29 29 0 3.0 bash -
24 12 12 3.1 zsh -
20 11 8 32.3 bumpleak/osh mut
25 21 4 32.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 7 26.3 osh-native mut+alloc
38 31 8 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 27 27 35.9 _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
72 72 0 3.1 bash -
168 115 52 54.1 bumpleak/osh mut
178 141 36 56.0 _bin/cxx-opt+bumproot/osh mut
193 121 72 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 129 81 47.1 osh-native mut+alloc
217 152 64 48.7 osh-native mut+alloc+free
181 152 28 8.5 osh-native mut+alloc+free+gc
181 118 63 8.8 osh-native mut+alloc+free+gc+exit
230 157 72 63.2 _bin/cxx-opt+nopool/osh mut+alloc
209 152 56 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
11 6 4 3.5 dash -
20 11 10 4.5 bash -
18 10 8 3.5 zsh -
18 17 2 13.0 bumpleak/osh mut
20 18 2 12.5 _bin/cxx-opt+bumproot/osh mut
21 12 9 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.9 osh-native mut+alloc
23 20 3 11.1 osh-native mut+alloc+free
22 18 4 8.9 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
25 20 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 25 0 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc