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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 143 23 57 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 178 0 3 10.3 8.5 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 270 3 85,370 1 42,685 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 3.0 bash -
105 62 50 3.4 zsh -
16 12 4 28.9 bumpleak/osh mut
19 12 8 29.6 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 11 18 25.2 osh-native mut+alloc
31 15 15 25.7 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
35 35 0 17.8 osh-native mut+alloc+free+gc+exit
44 12 32 32.4 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 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
22 18 4 1.6 dash -
77 77 0 3.3 bash -
376 234 163 3.7 zsh -
48 44 4 86.0 bumpleak/osh mut
60 55 4 84.5 _bin/cxx-opt+bumproot/osh mut
70 61 8 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 58 39 73.3 osh-native mut+alloc
106 59 47 75.4 osh-native mut+alloc+free
143 127 16 49.9 osh-native mut+alloc+free+gc
146 129 16 50.6 osh-native mut+alloc+free+gc+exit
139 103 36 97.5 _bin/cxx-opt+nopool/osh mut+alloc
198 158 40 68.3 _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 3.0 bash -
8 0 7 3.3 zsh -
5 5 0 12.0 bumpleak/osh mut
6 3 3 12.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 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
10 10 0 1.4 dash -
28 25 4 2.9 bash -
23 23 0 3.3 zsh -
19 19 0 32.2 bumpleak/osh mut
26 18 7 32.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 27 8 26.3 osh-native mut+alloc
37 21 17 26.5 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 32 4 9.3 _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 64 8 3.0 bash -
167 103 63 54.9 bumpleak/osh mut
180 128 52 54.5 _bin/cxx-opt+bumproot/osh mut
192 132 60 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
207 138 69 47.0 osh-native mut+alloc
215 155 60 48.7 osh-native mut+alloc+free
178 114 63 8.5 osh-native mut+alloc+free+gc
179 131 48 8.7 osh-native mut+alloc+free+gc+exit
231 158 73 62.8 _bin/cxx-opt+nopool/osh mut+alloc
208 160 48 10.1 _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 4 5 3.4 dash -
19 14 6 4.3 bash -
17 11 7 3.4 zsh -
19 17 3 12.8 bumpleak/osh mut
19 16 3 13.8 _bin/cxx-opt+bumproot/osh mut
20 5 15 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 14 7 11.1 osh-native mut+alloc
22 19 3 11.0 osh-native mut+alloc+free
22 10 12 8.9 osh-native mut+alloc+free+gc
22 20 3 8.9 osh-native mut+alloc+free+gc+exit
24 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc