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 150 26 63 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 8.3 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 180 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 9.0 116,311 270 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 -
24 19 4 2.9 bash -
102 66 43 3.4 zsh -
16 16 0 29.1 bumpleak/osh mut
20 19 0 29.3 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
36 24 12 17.8 osh-native mut+alloc+free+gc+exit
44 20 24 32.3 _bin/cxx-opt+nopool/osh mut+alloc
49 38 11 21.9 _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 21 0 1.6 dash -
77 77 0 3.3 bash -
377 210 188 3.7 zsh -
49 36 12 84.8 bumpleak/osh mut
59 55 4 85.6 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 66 31 73.3 osh-native mut+alloc
106 69 37 75.4 osh-native mut+alloc+free
150 135 16 49.9 osh-native mut+alloc+free+gc
152 131 20 50.6 osh-native mut+alloc+free+gc+exit
139 99 40 99.4 _bin/cxx-opt+nopool/osh mut+alloc
212 160 52 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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
5 5 0 11.8 bumpleak/osh mut
7 4 4 11.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.0 _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 9 0 8.3 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.5 _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 1.4 dash -
29 28 0 3.0 bash -
24 12 12 3.1 zsh -
19 19 0 32.8 bumpleak/osh mut
26 21 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.3 osh-native mut+alloc
39 23 15 26.6 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 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 69 4 3.0 bash -
169 128 40 55.3 bumpleak/osh mut
178 121 57 55.1 _bin/cxx-opt+bumproot/osh mut
192 120 72 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 145 64 47.0 osh-native mut+alloc
217 153 64 48.7 osh-native mut+alloc+free
180 112 68 8.8 osh-native mut+alloc+free+gc
180 120 60 8.8 osh-native mut+alloc+free+gc+exit
231 150 81 62.5 _bin/cxx-opt+nopool/osh mut+alloc
206 162 44 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 7 3 3.5 dash -
20 16 5 4.3 bash -
18 7 11 3.5 zsh -
19 13 7 12.6 bumpleak/osh mut
21 11 10 12.8 _bin/cxx-opt+bumproot/osh mut
22 14 8 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 3 11.0 osh-native mut+alloc
22 15 8 11.1 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
22 17 5 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 24 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc