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 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 149 24 62 46.1 51.6 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.5 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,138 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 23 1 2 2.8 9.0 116,282 478 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 3 3 1.6 dash -
23 19 4 3.0 bash -
105 51 61 3.4 zsh -
16 16 0 28.0 bumpleak/osh mut
19 15 4 29.8 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
36 27 8 17.8 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 23 19 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 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 -
77 77 0 3.3 bash -
384 224 183 3.4 zsh -
50 41 8 85.3 bumpleak/osh mut
64 44 20 86.3 _bin/cxx-opt+bumproot/osh mut
70 62 8 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 81 16 73.3 osh-native mut+alloc
105 73 32 75.3 osh-native mut+alloc+free
149 125 24 51.6 osh-native mut+alloc+free+gc
153 133 20 52.3 osh-native mut+alloc+free+gc+exit
140 84 56 99.4 _bin/cxx-opt+nopool/osh mut+alloc
230 214 16 72.4 _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 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.6 bumpleak/osh mut
7 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
8 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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 1.3 dash -
28 28 0 2.9 bash -
24 20 4 3.3 zsh -
20 16 4 32.5 bumpleak/osh mut
25 25 0 31.9 _bin/cxx-opt+bumproot/osh mut
29 21 8 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.5 osh-native mut+alloc
38 23 15 26.5 osh-native mut+alloc+free
28 20 8 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 39 15 35.9 _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 3.0 bash -
169 128 40 55.1 bumpleak/osh mut
178 122 55 55.4 _bin/cxx-opt+bumproot/osh mut
195 127 68 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 123 87 46.9 osh-native mut+alloc
219 142 77 48.9 osh-native mut+alloc+free
181 130 51 8.8 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
230 153 76 64.2 _bin/cxx-opt+nopool/osh mut+alloc
208 176 32 9.9 _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 16 4 4.5 bash -
18 9 9 3.5 zsh -
20 9 11 12.1 bumpleak/osh mut
21 20 2 12.8 _bin/cxx-opt+bumproot/osh mut
20 20 1 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 11.0 osh-native mut+alloc
23 8 15 11.0 osh-native mut+alloc+free
23 18 5 9.0 osh-native mut+alloc+free+gc
23 19 4 8.9 osh-native mut+alloc+free+gc+exit
25 22 3 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 26 0 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc