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 37 4 10 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 177 28 87 46.1 51.5 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 10 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 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 1.6 dash -
23 19 4 3.1 bash -
104 60 51 3.4 zsh -
17 10 7 27.9 bumpleak/osh mut
20 12 8 29.9 _bin/cxx-opt+bumproot/osh mut
22 9 13 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.0 osh-native mut+alloc
33 18 15 25.6 osh-native mut+alloc+free
37 37 0 17.8 osh-native mut+alloc+free+gc
37 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 20 24 33.3 _bin/cxx-opt+nopool/osh mut+alloc
49 32 16 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
22 18 4 1.6 dash -
77 73 4 3.0 bash -
382 202 201 3.4 zsh -
50 42 8 85.0 bumpleak/osh mut
60 56 4 85.8 _bin/cxx-opt+bumproot/osh mut
71 41 29 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 74 25 73.5 osh-native mut+alloc
110 74 35 75.4 osh-native mut+alloc+free
177 161 16 51.5 osh-native mut+alloc+free+gc
166 154 12 52.2 osh-native mut+alloc+free+gc+exit
140 84 56 98.9 _bin/cxx-opt+nopool/osh mut+alloc
228 179 48 72.8 _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 6 0 10.7 bumpleak/osh mut
8 4 4 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
10 5 5 8.4 osh-native mut+alloc+free+gc
10 3 7 8.7 osh-native mut+alloc+free+gc+exit
12 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 10 0 1.4 dash -
29 29 0 2.9 bash -
24 12 12 3.3 zsh -
19 14 5 30.9 bumpleak/osh mut
26 18 7 32.2 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.3 osh-native mut+alloc
39 30 9 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 25 4 7.9 osh-native mut+alloc+free+gc+exit
55 39 15 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 29 8 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 3.1 bash -
169 128 40 53.7 bumpleak/osh mut
179 143 36 55.3 _bin/cxx-opt+bumproot/osh mut
194 106 87 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 149 60 47.0 osh-native mut+alloc
218 133 84 48.6 osh-native mut+alloc+free
182 123 59 8.8 osh-native mut+alloc+free+gc
182 141 40 8.8 osh-native mut+alloc+free+gc+exit
235 163 72 62.6 _bin/cxx-opt+nopool/osh mut+alloc
208 160 48 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 10 0 3.5 dash -
20 17 3 4.5 bash -
18 10 8 3.4 zsh -
19 11 8 11.2 bumpleak/osh mut
21 13 8 12.3 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 1 11.0 osh-native mut+alloc
23 18 6 11.0 osh-native mut+alloc+free
23 6 17 8.9 osh-native mut+alloc+free+gc
23 21 3 9.0 osh-native mut+alloc+free+gc+exit
25 17 9 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc