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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 161 25 72 46.1 51.7 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,284 478 3 85,332 1 42,666 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
23 19 4 3.1 bash -
105 53 58 3.4 zsh -
16 16 0 28.8 bumpleak/osh mut
19 19 0 29.4 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 36 0 17.7 osh-native mut+alloc+free+gc+exit
44 36 8 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 40 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
21 21 0 1.6 dash -
78 78 0 3.1 bash -
374 208 187 3.5 zsh -
50 42 8 85.0 bumpleak/osh mut
60 55 4 86.0 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 67 31 73.4 osh-native mut+alloc
106 66 39 75.3 osh-native mut+alloc+free
161 141 20 51.7 osh-native mut+alloc+free+gc
157 141 16 52.1 osh-native mut+alloc+free+gc+exit
139 91 47 97.8 _bin/cxx-opt+nopool/osh mut+alloc
220 188 32 72.8 _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 3 3 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 10.8 bumpleak/osh mut
6 6 0 10.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 5 5 10.1 osh-native mut+alloc
9 6 3 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.3 _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
10 7 3 1.4 dash -
29 29 0 3.0 bash -
24 16 8 3.3 zsh -
19 19 0 32.6 bumpleak/osh mut
26 17 9 32.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 39 16 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 73 0 3.0 bash -
166 113 53 55.2 bumpleak/osh mut
180 120 60 55.0 _bin/cxx-opt+bumproot/osh mut
194 127 67 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 151 60 47.1 osh-native mut+alloc
219 121 97 48.8 osh-native mut+alloc+free
179 111 68 8.8 osh-native mut+alloc+free+gc
182 117 65 8.5 osh-native mut+alloc+free+gc+exit
235 135 99 62.8 _bin/cxx-opt+nopool/osh mut+alloc
210 145 65 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 3.4 dash -
20 7 14 4.3 bash -
18 9 10 3.5 zsh -
18 14 5 11.4 bumpleak/osh mut
21 20 2 13.1 _bin/cxx-opt+bumproot/osh mut
22 12 11 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.7 osh-native mut+alloc
23 19 5 10.7 osh-native mut+alloc+free
22 16 7 9.0 osh-native mut+alloc+free+gc
23 22 2 8.9 osh-native mut+alloc+free+gc+exit
25 18 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc