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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 151 24 65 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 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 184 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 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
6 6 0 1.4 dash -
23 19 4 3.1 bash -
106 65 47 3.4 zsh -
16 12 4 29.0 bumpleak/osh mut
20 12 8 29.7 _bin/cxx-opt+bumproot/osh mut
23 11 11 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.0 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 32.4 _bin/cxx-opt+nopool/osh mut+alloc
48 39 8 22.1 _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 -
77 77 0 3.1 bash -
377 203 194 3.5 zsh -
49 36 12 84.8 bumpleak/osh mut
60 60 0 84.7 _bin/cxx-opt+bumproot/osh mut
70 42 27 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.1 osh-native mut+alloc
104 68 36 75.3 osh-native mut+alloc+free
151 139 12 51.6 osh-native mut+alloc+free+gc
155 123 32 52.3 osh-native mut+alloc+free+gc+exit
139 87 51 99.3 _bin/cxx-opt+nopool/osh mut+alloc
219 190 28 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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 10.3 bumpleak/osh mut
6 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
8 0 8 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 8 0 9.8 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 -
29 24 4 3.0 bash -
24 16 8 3.3 zsh -
19 19 0 31.5 bumpleak/osh mut
26 18 7 32.9 _bin/cxx-opt+bumproot/osh mut
29 20 8 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.3 osh-native mut+alloc
38 34 4 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 26 11 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
74 62 12 3.3 bash -
168 108 60 55.4 bumpleak/osh mut
181 104 76 54.9 _bin/cxx-opt+bumproot/osh mut
196 126 69 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 120 92 47.1 osh-native mut+alloc
218 149 68 48.9 osh-native mut+alloc+free
184 144 40 8.7 osh-native mut+alloc+free+gc
185 138 47 8.8 osh-native mut+alloc+free+gc+exit
230 147 83 63.1 _bin/cxx-opt+nopool/osh mut+alloc
209 134 75 10.1 _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 13 7 4.5 bash -
17 13 5 3.5 zsh -
18 17 2 13.1 bumpleak/osh mut
20 14 6 13.4 _bin/cxx-opt+bumproot/osh mut
22 16 6 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 6 15 11.0 osh-native mut+alloc
22 12 11 10.9 osh-native mut+alloc+free
23 21 2 9.0 osh-native mut+alloc+free+gc
23 16 8 8.9 osh-native mut+alloc+free+gc+exit
24 18 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc