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 144 22 56 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 8.8 995,244 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
7 7 0 1.4 dash -
24 23 0 3.1 bash -
103 44 66 3.4 zsh -
16 8 8 29.5 bumpleak/osh mut
19 8 11 29.3 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
37 29 7 18.1 osh-native mut+alloc+free+gc+exit
43 34 9 33.0 _bin/cxx-opt+nopool/osh mut+alloc
47 39 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
22 17 4 1.6 dash -
78 73 4 3.1 bash -
373 233 160 3.5 zsh -
48 36 12 85.4 bumpleak/osh mut
60 51 8 84.4 _bin/cxx-opt+bumproot/osh mut
69 56 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 60 36 73.4 osh-native mut+alloc
109 64 44 75.3 osh-native mut+alloc+free
144 116 28 49.9 osh-native mut+alloc+free+gc
147 127 20 50.4 osh-native mut+alloc+free+gc+exit
138 67 71 97.6 _bin/cxx-opt+nopool/osh mut+alloc
202 166 36 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 4 4 3.3 zsh -
6 0 6 11.4 bumpleak/osh mut
6 6 0 11.1 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 9 0 10.2 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _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 10 0 1.4 dash -
28 28 0 3.0 bash -
24 16 8 3.1 zsh -
19 11 8 31.6 bumpleak/osh mut
26 18 7 32.6 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.1 osh-native mut+alloc
37 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 72 0 3.1 bash -
167 99 68 55.5 bumpleak/osh mut
179 127 52 56.3 _bin/cxx-opt+bumproot/osh mut
192 136 56 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 138 71 47.0 osh-native mut+alloc
213 154 59 48.7 osh-native mut+alloc+free
178 119 59 8.8 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
226 125 101 63.6 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 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 9 1 3.5 dash -
19 16 4 4.5 bash -
18 18 0 3.5 zsh -
18 15 4 11.9 bumpleak/osh mut
21 16 5 12.7 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 5 11.0 osh-native mut+alloc
22 18 5 11.1 osh-native mut+alloc+free
22 15 7 8.9 osh-native mut+alloc+free+gc
22 14 9 8.8 osh-native mut+alloc+free+gc+exit
24 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc