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 18.1 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 147 23 59 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,289 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.4 dash -
23 19 4 3.1 bash -
104 55 55 3.4 zsh -
16 12 4 28.0 bumpleak/osh mut
20 15 4 30.2 _bin/cxx-opt+bumproot/osh mut
22 17 4 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 17 25.2 osh-native mut+alloc
31 23 8 25.7 osh-native mut+alloc+free
35 35 0 18.1 osh-native mut+alloc+free+gc
37 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 25 17 33.1 _bin/cxx-opt+nopool/osh mut+alloc
47 38 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 22 0 1.6 dash -
78 78 0 3.0 bash -
376 195 204 3.3 zsh -
48 36 12 85.2 bumpleak/osh mut
61 53 8 84.5 _bin/cxx-opt+bumproot/osh mut
70 46 23 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 48 48 73.6 osh-native mut+alloc
106 70 35 75.4 osh-native mut+alloc+free
147 122 24 51.4 osh-native mut+alloc+free+gc
153 133 20 52.1 osh-native mut+alloc+free+gc+exit
137 94 43 98.5 _bin/cxx-opt+nopool/osh mut+alloc
203 171 32 73.0 _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 1.3 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.3 bumpleak/osh mut
7 0 7 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 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 1.6 dash -
29 28 0 3.0 bash -
24 20 4 3.3 zsh -
18 18 0 32.8 bumpleak/osh mut
25 20 4 33.2 _bin/cxx-opt+bumproot/osh mut
29 25 4 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 25 13 26.7 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 24 28 35.7 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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
72 68 4 3.1 bash -
168 112 56 55.4 bumpleak/osh mut
178 142 36 55.5 _bin/cxx-opt+bumproot/osh mut
193 129 64 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 134 75 47.1 osh-native mut+alloc
216 100 116 48.9 osh-native mut+alloc+free
180 120 60 8.8 osh-native mut+alloc+free+gc
180 128 52 8.5 osh-native mut+alloc+free+gc+exit
230 129 101 63.4 _bin/cxx-opt+nopool/osh mut+alloc
208 140 68 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 13 7 4.5 bash -
18 18 0 3.5 zsh -
18 17 2 11.2 bumpleak/osh mut
21 11 10 13.4 _bin/cxx-opt+bumproot/osh mut
21 12 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 3 10.7 osh-native mut+alloc
22 13 10 10.7 osh-native mut+alloc+free
22 20 2 8.7 osh-native mut+alloc+free+gc
23 20 2 8.8 osh-native mut+alloc+free+gc+exit
25 11 14 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc