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 147 23 61 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 181 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,284 478 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 19 4 2.8 bash -
105 58 53 3.4 zsh -
16 8 8 27.8 bumpleak/osh mut
20 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 24.9 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
36 27 8 18.0 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 31 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 21.8 _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 -
378 224 175 3.5 zsh -
49 41 7 84.0 bumpleak/osh mut
61 49 12 85.3 _bin/cxx-opt+bumproot/osh mut
70 61 8 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 58 39 73.4 osh-native mut+alloc
104 88 16 75.3 osh-native mut+alloc+free
147 134 12 51.6 osh-native mut+alloc+free+gc
155 123 32 52.1 osh-native mut+alloc+free+gc+exit
137 105 32 98.9 _bin/cxx-opt+nopool/osh mut+alloc
211 187 24 73.6 _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 4 4 3.3 zsh -
6 0 6 11.1 bumpleak/osh mut
7 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 9.8 osh-native mut+alloc
9 4 4 10.1 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 11.3 _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
11 11 0 1.6 dash -
28 28 0 2.9 bash -
24 20 4 3.4 zsh -
19 19 0 31.8 bumpleak/osh mut
26 26 0 32.9 _bin/cxx-opt+bumproot/osh mut
27 16 12 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
37 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 42 11 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 73 0 3.0 bash -
170 125 44 55.2 bumpleak/osh mut
180 112 68 54.4 _bin/cxx-opt+bumproot/osh mut
192 112 80 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 157 52 46.9 osh-native mut+alloc
216 144 72 48.9 osh-native mut+alloc+free
181 130 51 8.7 osh-native mut+alloc+free+gc
181 136 44 8.7 osh-native mut+alloc+free+gc+exit
231 123 107 63.1 _bin/cxx-opt+nopool/osh mut+alloc
207 135 72 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 14 6 4.3 bash -
18 8 11 3.5 zsh -
20 8 12 12.4 bumpleak/osh mut
21 17 4 13.3 _bin/cxx-opt+bumproot/osh mut
20 14 7 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 4 10.9 osh-native mut+alloc
22 16 7 10.9 osh-native mut+alloc+free
22 12 10 8.8 osh-native mut+alloc+free+gc
23 14 9 8.9 osh-native mut+alloc+free+gc+exit
25 18 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc