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 36 4 10 12.0 17.7 476,711 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 8.3 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,167 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
6 6 0 1.6 dash -
23 23 0 2.9 bash -
104 60 51 3.4 zsh -
16 12 4 30.0 bumpleak/osh mut
20 15 5 28.9 _bin/cxx-opt+bumproot/osh mut
22 13 9 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.2 osh-native mut+alloc
31 23 8 25.7 osh-native mut+alloc+free
36 20 16 17.7 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.3 _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 1.6 dash -
77 73 4 3.3 bash -
375 190 206 3.5 zsh -
48 40 8 84.1 bumpleak/osh mut
60 49 11 85.4 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.3 osh-native mut+alloc
106 61 45 75.3 osh-native mut+alloc+free
144 120 24 49.9 osh-native mut+alloc+free+gc
147 139 8 50.4 osh-native mut+alloc+free+gc+exit
140 112 28 99.3 _bin/cxx-opt+nopool/osh mut+alloc
205 177 28 67.3 _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 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 10.6 bumpleak/osh mut
6 6 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
24 20 4 3.3 zsh -
19 15 4 32.3 bumpleak/osh mut
26 26 0 33.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.2 osh-native mut+alloc
39 34 4 26.5 osh-native mut+alloc+free
28 18 11 8.0 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 31 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 30 8 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 -
167 103 63 54.3 bumpleak/osh mut
178 91 87 54.6 _bin/cxx-opt+bumproot/osh mut
193 124 68 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
207 139 68 47.0 osh-native mut+alloc
215 127 87 48.7 osh-native mut+alloc+free
180 104 76 8.8 osh-native mut+alloc+free+gc
179 147 33 8.8 osh-native mut+alloc+free+gc+exit
231 146 85 64.1 _bin/cxx-opt+nopool/osh mut+alloc
207 139 67 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 1 3.5 dash -
20 15 5 4.5 bash -
18 12 6 3.5 zsh -
18 17 1 11.6 bumpleak/osh mut
19 10 10 12.3 _bin/cxx-opt+bumproot/osh mut
19 14 6 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.0 osh-native mut+alloc
23 11 12 10.9 osh-native mut+alloc+free
22 22 0 9.0 osh-native mut+alloc+free+gc
22 17 5 8.9 osh-native mut+alloc+free+gc+exit
25 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc