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 146 23 59 44.6 50.0 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 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 8.8 995,244 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 3 3 1.6 dash -
23 19 4 3.1 bash -
105 50 61 3.5 zsh -
16 12 4 29.4 bumpleak/osh mut
19 15 4 28.8 _bin/cxx-opt+bumproot/osh mut
22 19 4 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 17 25.2 osh-native mut+alloc
31 23 8 25.7 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
44 32 12 33.4 _bin/cxx-opt+nopool/osh mut+alloc
49 32 16 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 21 0 1.4 dash -
77 73 4 3.0 bash -
378 192 208 3.7 zsh -
48 36 12 84.4 bumpleak/osh mut
60 52 8 85.2 _bin/cxx-opt+bumproot/osh mut
71 63 8 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 60 36 73.5 osh-native mut+alloc
105 74 31 75.3 osh-native mut+alloc+free
146 134 12 50.0 osh-native mut+alloc+free+gc
151 131 20 50.7 osh-native mut+alloc+free+gc+exit
139 95 44 97.7 _bin/cxx-opt+nopool/osh mut+alloc
205 176 28 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 0 2 1.4 dash -
6 3 3 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.1 bumpleak/osh mut
6 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.6 _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 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 11 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
10 10 0 1.4 dash -
29 25 4 2.9 bash -
23 19 5 3.4 zsh -
19 15 4 32.4 bumpleak/osh mut
26 26 0 32.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 36 0 26.2 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 45 8 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.4 _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 69 4 3.1 bash -
166 99 67 54.0 bumpleak/osh mut
177 149 28 54.7 _bin/cxx-opt+bumproot/osh mut
194 145 48 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 140 68 47.0 osh-native mut+alloc
215 134 81 48.7 osh-native mut+alloc+free
179 135 44 8.8 osh-native mut+alloc+free+gc
178 123 55 8.7 osh-native mut+alloc+free+gc+exit
230 161 68 63.9 _bin/cxx-opt+nopool/osh mut+alloc
210 153 57 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 9 1 3.5 dash -
20 16 4 4.5 bash -
18 14 5 3.4 zsh -
19 16 3 12.3 bumpleak/osh mut
21 14 7 13.2 _bin/cxx-opt+bumproot/osh mut
20 12 8 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 10 10.9 osh-native mut+alloc
22 17 6 11.0 osh-native mut+alloc+free
22 11 11 8.9 osh-native mut+alloc+free+gc
23 18 5 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc