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 38 6 12 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 154 24 66 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 179 0 3 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 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 -
104 50 60 3.4 zsh -
16 16 0 29.1 bumpleak/osh mut
19 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
23 22 0 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
38 30 8 17.8 osh-native mut+alloc+free+gc
39 30 9 18.1 osh-native mut+alloc+free+gc+exit
44 35 8 32.6 _bin/cxx-opt+nopool/osh mut+alloc
48 36 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
21 18 4 1.4 dash -
77 77 0 3.3 bash -
378 228 171 3.5 zsh -
49 44 4 84.7 bumpleak/osh mut
60 60 0 85.7 _bin/cxx-opt+bumproot/osh mut
69 49 20 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 28 73.6 osh-native mut+alloc
107 73 33 75.3 osh-native mut+alloc+free
154 126 28 49.9 osh-native mut+alloc+free+gc
161 145 16 50.6 osh-native mut+alloc+free+gc+exit
141 97 44 98.5 _bin/cxx-opt+nopool/osh mut+alloc
218 181 36 67.5 _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 6 0 2.9 bash -
8 4 4 3.4 zsh -
6 3 3 10.9 bumpleak/osh mut
7 7 0 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 9.8 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 0 9 8.5 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 6 6 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
10 10 0 1.6 dash -
30 22 7 2.9 bash -
24 14 9 3.3 zsh -
20 16 4 32.5 bumpleak/osh mut
27 27 0 32.6 _bin/cxx-opt+bumproot/osh mut
29 24 4 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.1 osh-native mut+alloc
38 31 8 26.5 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 29 25 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 30 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
72 56 16 3.1 bash -
168 96 72 54.4 bumpleak/osh mut
179 126 53 55.6 _bin/cxx-opt+bumproot/osh mut
198 121 77 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 152 60 47.0 osh-native mut+alloc
218 162 55 48.7 osh-native mut+alloc+free
179 138 41 8.7 osh-native mut+alloc+free+gc
180 128 52 8.7 osh-native mut+alloc+free+gc+exit
232 148 84 63.4 _bin/cxx-opt+nopool/osh mut+alloc
228 176 52 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 2 3.4 dash -
20 18 2 4.3 bash -
18 8 11 3.4 zsh -
18 12 7 11.3 bumpleak/osh mut
20 10 10 11.8 _bin/cxx-opt+bumproot/osh mut
22 17 6 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
22 12 11 11.0 osh-native mut+alloc+free
23 19 4 8.9 osh-native mut+alloc+free+gc
23 10 13 8.8 osh-native mut+alloc+free+gc+exit
25 18 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc