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 35 3 9 12.0 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 165 28 78 46.1 51.6 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 182 0 4 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 24 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 6 0 1.6 dash -
23 23 0 3.1 bash -
105 57 54 3.3 zsh -
17 16 0 27.8 bumpleak/osh mut
19 15 4 29.0 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.0 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
35 23 12 18.0 osh-native mut+alloc+free+gc
38 30 8 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 32.9 _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
22 22 0 1.6 dash -
78 74 4 3.3 bash -
378 226 173 3.4 zsh -
50 41 8 84.5 bumpleak/osh mut
59 47 12 84.6 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 37 73.3 osh-native mut+alloc
105 56 48 75.4 osh-native mut+alloc+free
165 144 20 51.6 osh-native mut+alloc+free+gc
176 152 24 52.1 osh-native mut+alloc+free+gc+exit
140 88 52 98.9 _bin/cxx-opt+nopool/osh mut+alloc
230 198 32 72.2 _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 0 2 1.3 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 12.1 bumpleak/osh mut
7 0 7 11.6 _bin/cxx-opt+bumproot/osh mut
8 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 8 10.1 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 10 0 1.4 dash -
29 29 0 3.0 bash -
24 20 4 3.3 zsh -
20 20 0 32.6 bumpleak/osh mut
26 21 4 32.2 _bin/cxx-opt+bumproot/osh mut
27 27 0 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.5 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 37 17 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 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 73 0 3.0 bash -
169 114 55 54.8 bumpleak/osh mut
179 138 41 55.0 _bin/cxx-opt+bumproot/osh mut
194 135 59 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 136 76 47.1 osh-native mut+alloc
221 144 76 48.8 osh-native mut+alloc+free
182 123 59 8.8 osh-native mut+alloc+free+gc
183 142 41 8.8 osh-native mut+alloc+free+gc+exit
232 124 108 63.9 _bin/cxx-opt+nopool/osh mut+alloc
219 167 52 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 3.4 dash -
20 8 12 4.3 bash -
18 7 11 3.4 zsh -
21 11 11 12.4 bumpleak/osh mut
20 18 2 13.6 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.7 osh-native mut+alloc
23 14 9 10.9 osh-native mut+alloc+free
24 12 11 9.0 osh-native mut+alloc+free+gc
24 16 8 8.8 osh-native mut+alloc+free+gc+exit
25 19 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc