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 10 12.0 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 159 26 71 46.1 51.6 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 10 1 1 2.6 8.7 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 24 1 2 2.8 8.9 116,282 478 3 85,330 1 42,665 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
24 24 0 3.1 bash -
105 68 44 3.3 zsh -
17 8 8 29.3 bumpleak/osh mut
20 16 4 29.0 _bin/cxx-opt+bumproot/osh mut
23 18 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 16 16 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
44 27 16 31.8 _bin/cxx-opt+nopool/osh mut+alloc
50 38 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 1.6 dash -
78 73 4 3.3 bash -
377 193 206 3.5 zsh -
49 36 12 85.2 bumpleak/osh mut
59 43 16 85.4 _bin/cxx-opt+bumproot/osh mut
78 61 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 77 20 73.4 osh-native mut+alloc
106 74 31 75.4 osh-native mut+alloc+free
159 139 20 51.6 osh-native mut+alloc+free+gc
167 139 28 52.2 osh-native mut+alloc+free+gc+exit
140 92 48 97.5 _bin/cxx-opt+nopool/osh mut+alloc
240 216 24 72.0 _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 3 3 2.9 bash -
8 0 7 3.4 zsh -
6 6 0 10.8 bumpleak/osh mut
7 7 0 11.4 _bin/cxx-opt+bumproot/osh mut
8 0 8 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
10 6 3 8.7 osh-native mut+alloc+free+gc
10 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 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 7 3 1.4 dash -
29 28 0 3.0 bash -
24 8 16 3.4 zsh -
20 12 8 31.7 bumpleak/osh mut
26 26 0 31.7 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.5 osh-native mut+alloc
39 31 8 26.9 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 41 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 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 3.1 bash -
167 110 57 55.7 bumpleak/osh mut
178 115 63 55.1 _bin/cxx-opt+bumproot/osh mut
194 141 53 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 120 88 47.1 osh-native mut+alloc
219 131 87 48.9 osh-native mut+alloc+free
181 148 32 8.8 osh-native mut+alloc+free+gc
181 132 48 8.7 osh-native mut+alloc+free+gc+exit
230 145 85 63.7 _bin/cxx-opt+nopool/osh mut+alloc
207 154 53 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 8 2 3.4 dash -
20 17 3 4.3 bash -
18 12 7 3.5 zsh -
19 17 2 11.3 bumpleak/osh mut
20 10 10 11.6 _bin/cxx-opt+bumproot/osh mut
23 8 16 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 14 9 10.7 osh-native mut+alloc
24 16 8 10.9 osh-native mut+alloc+free
24 14 10 8.9 osh-native mut+alloc+free+gc
23 15 9 9.0 osh-native mut+alloc+free+gc+exit
25 22 4 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 21 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc