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 58 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 8.4 101,902 180 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
6 6 0 1.6 dash -
23 23 0 3.1 bash -
104 52 58 3.4 zsh -
16 12 4 28.2 bumpleak/osh mut
19 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 15 15 25.6 osh-native mut+alloc+free
35 30 4 18.0 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
44 36 8 32.1 _bin/cxx-opt+nopool/osh mut+alloc
46 34 13 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
21 21 0 1.4 dash -
78 78 0 3.1 bash -
395 200 216 3.4 zsh -
50 42 8 84.2 bumpleak/osh mut
60 49 11 84.8 _bin/cxx-opt+bumproot/osh mut
70 54 17 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 69 27 73.6 osh-native mut+alloc
105 65 41 75.3 osh-native mut+alloc+free
144 124 20 49.9 osh-native mut+alloc+free+gc
152 119 32 50.6 osh-native mut+alloc+free+gc+exit
140 96 44 98.3 _bin/cxx-opt+nopool/osh mut+alloc
200 160 40 67.9 _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 6 0 3.0 bash -
8 8 0 3.4 zsh -
6 0 6 10.8 bumpleak/osh mut
7 4 4 12.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 0 8 10.0 osh-native mut+alloc+free
9 6 3 8.4 osh-native mut+alloc+free+gc
9 9 0 8.8 osh-native mut+alloc+free+gc+exit
12 11 0 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 -
29 29 0 2.9 bash -
24 12 12 3.4 zsh -
19 19 0 31.4 bumpleak/osh mut
26 26 0 32.8 _bin/cxx-opt+bumproot/osh mut
29 24 4 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
40 32 8 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 29 25 35.8 _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 65 8 3.1 bash -
166 111 55 54.3 bumpleak/osh mut
178 121 57 55.0 _bin/cxx-opt+bumproot/osh mut
192 132 60 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 153 55 46.9 osh-native mut+alloc
216 118 98 48.7 osh-native mut+alloc+free
179 118 61 8.8 osh-native mut+alloc+free+gc
178 115 63 8.7 osh-native mut+alloc+free+gc+exit
231 139 91 62.4 _bin/cxx-opt+nopool/osh mut+alloc
208 164 44 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 6 4 3.5 dash -
20 19 1 4.3 bash -
18 12 6 3.4 zsh -
19 18 2 12.8 bumpleak/osh mut
19 17 3 12.5 _bin/cxx-opt+bumproot/osh mut
19 14 6 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 11.0 osh-native mut+alloc
22 15 7 11.0 osh-native mut+alloc+free
22 12 10 8.9 osh-native mut+alloc+free+gc
22 18 5 9.0 osh-native mut+alloc+free+gc+exit
25 22 3 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc