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 157 26 70 46.1 51.7 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,289 478 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 6 0 1.4 dash -
24 23 0 3.1 bash -
104 61 49 3.5 zsh -
16 8 8 28.6 bumpleak/osh mut
20 16 4 28.0 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 22 9 25.4 osh-native mut+alloc+free
35 31 4 18.1 osh-native mut+alloc+free+gc
36 20 16 18.0 osh-native mut+alloc+free+gc+exit
42 27 15 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 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 -
78 78 0 3.1 bash -
378 189 210 3.7 zsh -
48 36 12 85.9 bumpleak/osh mut
59 47 12 84.5 _bin/cxx-opt+bumproot/osh mut
77 77 0 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 69 28 73.3 osh-native mut+alloc
109 65 44 75.1 osh-native mut+alloc+free
157 128 28 51.7 osh-native mut+alloc+free+gc
158 146 12 52.1 osh-native mut+alloc+free+gc+exit
139 90 49 98.4 _bin/cxx-opt+nopool/osh mut+alloc
219 199 20 72.7 _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 2.9 bash -
8 0 8 3.1 zsh -
6 6 0 10.9 bumpleak/osh mut
6 6 0 12.4 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 6 3 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.6 _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 10 0 1.4 dash -
28 28 0 2.9 bash -
24 16 8 3.3 zsh -
19 19 0 31.4 bumpleak/osh mut
26 25 0 31.7 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 22 15 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 38 15 35.9 _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
73 73 0 3.0 bash -
168 120 48 54.1 bumpleak/osh mut
179 111 67 56.3 _bin/cxx-opt+bumproot/osh mut
194 105 89 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 139 71 47.2 osh-native mut+alloc
218 137 81 48.8 osh-native mut+alloc+free
181 120 60 8.8 osh-native mut+alloc+free+gc
182 122 59 8.5 osh-native mut+alloc+free+gc+exit
233 136 96 62.7 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 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 7 3 3.5 dash -
20 13 7 4.5 bash -
17 9 9 3.5 zsh -
20 7 13 12.5 bumpleak/osh mut
20 15 5 13.4 _bin/cxx-opt+bumproot/osh mut
22 12 11 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.7 osh-native mut+alloc
22 9 14 11.3 osh-native mut+alloc+free
23 15 9 8.8 osh-native mut+alloc+free+gc
23 20 3 8.9 osh-native mut+alloc+free+gc+exit
25 19 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc