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 3 9 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 162 28 72 46.1 51.7 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 2 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,289 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.4 dash -
24 23 0 3.0 bash -
106 62 52 3.3 zsh -
17 16 0 28.0 bumpleak/osh mut
20 16 4 29.6 _bin/cxx-opt+bumproot/osh mut
23 15 8 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 30 0 25.0 osh-native mut+alloc
34 19 15 25.6 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 40 4 32.2 _bin/cxx-opt+nopool/osh mut+alloc
50 42 8 22.2 _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 -
78 78 0 3.3 bash -
377 223 174 3.5 zsh -
48 33 15 84.2 bumpleak/osh mut
61 49 11 85.0 _bin/cxx-opt+bumproot/osh mut
70 54 15 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 48 52 73.6 osh-native mut+alloc
107 83 24 75.1 osh-native mut+alloc+free
162 141 20 51.7 osh-native mut+alloc+free+gc
167 150 16 52.2 osh-native mut+alloc+free+gc+exit
139 102 37 98.5 _bin/cxx-opt+nopool/osh mut+alloc
230 206 24 73.9 _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 2 0 1.3 dash -
6 6 0 2.9 bash -
8 0 7 3.3 zsh -
6 0 6 10.2 bumpleak/osh mut
7 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
12 11 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.4 _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 22 7 3.0 bash -
24 16 8 3.3 zsh -
20 19 0 31.4 bumpleak/osh mut
26 15 11 33.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.3 osh-native mut+alloc
39 35 4 26.6 osh-native mut+alloc+free
29 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 30 7 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 65 8 3.3 bash -
169 112 56 54.9 bumpleak/osh mut
180 131 49 55.0 _bin/cxx-opt+bumproot/osh mut
193 126 67 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 143 68 47.1 osh-native mut+alloc
218 121 97 48.9 osh-native mut+alloc+free
180 128 52 8.8 osh-native mut+alloc+free+gc
182 129 52 8.8 osh-native mut+alloc+free+gc+exit
233 128 104 64.4 _bin/cxx-opt+nopool/osh mut+alloc
207 151 56 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 7 3 3.5 dash -
20 15 5 4.5 bash -
18 13 5 3.7 zsh -
19 10 9 11.9 bumpleak/osh mut
20 15 6 12.2 _bin/cxx-opt+bumproot/osh mut
20 19 2 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 11.0 osh-native mut+alloc
23 18 6 11.0 osh-native mut+alloc+free
23 15 8 9.0 osh-native mut+alloc+free+gc
23 21 3 9.0 osh-native mut+alloc+free+gc+exit
25 21 4 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc