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 155 25 68 46.1 51.5 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 29 0 2 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 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 8.7 116,284 478 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 1.6 dash -
23 23 0 3.0 bash -
105 56 56 3.4 zsh -
16 12 4 29.5 bumpleak/osh mut
20 16 4 30.0 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.2 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
35 19 15 17.8 osh-native mut+alloc+free+gc
35 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 24 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 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 18 4 1.4 dash -
77 73 4 3.3 bash -
376 238 161 3.4 zsh -
49 34 15 84.2 bumpleak/osh mut
60 56 4 86.0 _bin/cxx-opt+bumproot/osh mut
70 41 29 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 69 28 73.4 osh-native mut+alloc
105 56 48 75.1 osh-native mut+alloc+free
155 131 24 51.5 osh-native mut+alloc+free+gc
157 117 39 52.1 osh-native mut+alloc+free+gc+exit
138 83 55 97.7 _bin/cxx-opt+nopool/osh mut+alloc
219 195 24 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 2 0 1.4 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 10.8 bumpleak/osh mut
7 7 0 11.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 9 0 10.2 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.2 _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 2.9 bash -
24 16 8 3.3 zsh -
19 18 0 31.3 bumpleak/osh mut
26 17 9 31.6 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
38 33 4 26.7 osh-native mut+alloc+free
29 24 4 8.0 osh-native mut+alloc+free+gc
29 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 42 13 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.3 _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 91 75 54.4 bumpleak/osh mut
180 132 48 56.4 _bin/cxx-opt+bumproot/osh mut
193 142 51 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 123 87 47.1 osh-native mut+alloc
218 141 77 48.8 osh-native mut+alloc+free
180 120 60 8.8 osh-native mut+alloc+free+gc
180 137 43 8.8 osh-native mut+alloc+free+gc+exit
232 176 56 62.8 _bin/cxx-opt+nopool/osh mut+alloc
207 127 80 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 8 2 3.5 dash -
20 15 5 4.3 bash -
18 11 7 3.5 zsh -
19 12 7 11.9 bumpleak/osh mut
20 16 4 12.3 _bin/cxx-opt+bumproot/osh mut
21 16 5 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 11.0 osh-native mut+alloc
22 14 9 11.0 osh-native mut+alloc+free
22 15 8 8.7 osh-native mut+alloc+free+gc
23 16 8 8.8 osh-native mut+alloc+free+gc+exit
25 18 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc