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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 156 25 68 44.6 49.8 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 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 4 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 8.8 116,311 270 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 3 3 1.4 dash -
23 19 4 3.0 bash -
105 49 62 3.4 zsh -
16 8 8 28.4 bumpleak/osh mut
20 20 0 30.3 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
37 32 4 17.8 osh-native mut+alloc+free+gc
38 26 11 18.1 osh-native mut+alloc+free+gc+exit
44 28 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 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 21 0 1.4 dash -
78 74 4 3.3 bash -
375 204 191 3.5 zsh -
48 40 8 83.9 bumpleak/osh mut
60 53 8 85.0 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 66 33 73.4 osh-native mut+alloc
108 72 36 75.3 osh-native mut+alloc+free
156 140 16 49.8 osh-native mut+alloc+free+gc
156 127 28 50.7 osh-native mut+alloc+free+gc+exit
141 101 40 98.8 _bin/cxx-opt+nopool/osh mut+alloc
219 191 28 68.5 _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 3 3 2.9 bash -
8 4 4 3.4 zsh -
5 5 0 11.6 bumpleak/osh mut
6 3 3 12.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.3 _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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
25 20 4 3.4 zsh -
19 15 4 31.6 bumpleak/osh mut
26 26 0 31.4 _bin/cxx-opt+bumproot/osh mut
29 29 0 31.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
38 27 11 26.6 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 37 0 9.6 _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 64 8 3.1 bash -
168 112 56 54.3 bumpleak/osh mut
178 115 63 54.3 _bin/cxx-opt+bumproot/osh mut
194 119 75 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 121 89 46.9 osh-native mut+alloc
219 143 76 48.7 osh-native mut+alloc+free
181 120 60 8.8 osh-native mut+alloc+free+gc
180 132 48 8.8 osh-native mut+alloc+free+gc+exit
230 162 69 63.2 _bin/cxx-opt+nopool/osh mut+alloc
212 128 84 10.0 _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 -
20 14 7 4.5 bash -
18 10 9 3.5 zsh -
20 10 10 12.9 bumpleak/osh mut
21 19 2 13.1 _bin/cxx-opt+bumproot/osh mut
23 5 18 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 7 16 11.0 osh-native mut+alloc
23 22 1 10.9 osh-native mut+alloc+free
22 11 12 8.8 osh-native mut+alloc+free+gc
24 21 2 8.8 osh-native mut+alloc+free+gc+exit
25 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc