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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 142 22 55 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 1 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 478 3 85,370 1 42,685 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 -
24 20 4 3.0 bash -
104 56 54 3.5 zsh -
17 12 4 29.7 bumpleak/osh mut
19 19 0 29.9 _bin/cxx-opt+bumproot/osh mut
22 21 0 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 13 18 25.6 osh-native mut+alloc+free
35 23 12 18.0 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 32.8 _bin/cxx-opt+nopool/osh mut+alloc
48 39 8 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 17 4 1.6 dash -
78 74 4 3.1 bash -
371 194 199 3.4 zsh -
49 44 4 84.5 bumpleak/osh mut
60 48 12 84.7 _bin/cxx-opt+bumproot/osh mut
70 54 15 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 27 73.4 osh-native mut+alloc
108 80 28 75.3 osh-native mut+alloc+free
142 126 16 49.9 osh-native mut+alloc+free+gc
147 114 32 50.4 osh-native mut+alloc+free+gc+exit
137 86 51 98.4 _bin/cxx-opt+nopool/osh mut+alloc
203 155 48 68.4 _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 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 12.3 bumpleak/osh mut
7 3 3 11.7 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.8 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _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 -
28 28 0 3.0 bash -
23 14 9 3.4 zsh -
20 16 4 30.9 bumpleak/osh mut
25 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 25 13 26.5 osh-native mut+alloc+free
29 29 0 8.0 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
53 49 4 36.2 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _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 -
170 119 51 55.7 bumpleak/osh mut
180 92 88 55.2 _bin/cxx-opt+bumproot/osh mut
193 145 47 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 104 104 47.1 osh-native mut+alloc
216 152 64 48.7 osh-native mut+alloc+free
180 144 36 8.8 osh-native mut+alloc+free+gc
180 124 56 8.5 osh-native mut+alloc+free+gc+exit
229 162 67 62.8 _bin/cxx-opt+nopool/osh mut+alloc
207 163 44 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 10 0 3.4 dash -
19 16 3 4.3 bash -
18 17 1 3.5 zsh -
19 10 10 12.4 bumpleak/osh mut
21 16 6 13.1 _bin/cxx-opt+bumproot/osh mut
21 7 15 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 11.0 osh-native mut+alloc
22 13 9 11.1 osh-native mut+alloc+free
22 17 5 8.9 osh-native mut+alloc+free+gc
22 10 12 9.0 osh-native mut+alloc+free+gc+exit
24 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc