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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 146 23 61 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.3 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 27 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.7 995,222 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 6 0 1.6 dash -
23 23 0 3.0 bash -
104 78 33 3.4 zsh -
16 16 0 28.1 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 12 25.0 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 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
21 21 0 1.6 dash -
78 78 0 3.1 bash -
375 215 182 3.7 zsh -
49 40 8 83.9 bumpleak/osh mut
59 50 8 84.6 _bin/cxx-opt+bumproot/osh mut
69 65 4 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 44 52 73.3 osh-native mut+alloc
105 72 32 75.1 osh-native mut+alloc+free
146 126 20 51.6 osh-native mut+alloc+free+gc
154 138 16 52.1 osh-native mut+alloc+free+gc+exit
137 112 24 98.2 _bin/cxx-opt+nopool/osh mut+alloc
211 187 24 73.9 _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 0 2 1.3 dash -
6 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 0 6 10.3 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 8 0 8.3 osh-native mut+alloc+free+gc
9 0 9 8.5 osh-native mut+alloc+free+gc+exit
11 6 6 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 9.3 _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 1.4 dash -
29 29 0 2.9 bash -
24 23 0 3.3 zsh -
19 14 5 32.2 bumpleak/osh mut
25 25 0 33.0 _bin/cxx-opt+bumproot/osh mut
28 16 12 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
27 19 8 7.9 osh-native mut+alloc+free+gc
27 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 41 11 35.9 _bin/cxx-opt+nopool/osh mut+alloc
36 36 0 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 3.1 bash -
170 103 67 53.8 bumpleak/osh mut
181 113 68 55.3 _bin/cxx-opt+bumproot/osh mut
194 129 65 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 130 81 46.9 osh-native mut+alloc
220 116 104 49.0 osh-native mut+alloc+free
179 126 53 8.7 osh-native mut+alloc+free+gc
180 128 52 8.7 osh-native mut+alloc+free+gc+exit
230 154 75 63.0 _bin/cxx-opt+nopool/osh mut+alloc
210 163 48 9.9 _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 -
19 18 2 4.3 bash -
18 17 1 3.5 zsh -
18 18 0 13.0 bumpleak/osh mut
21 9 12 12.8 _bin/cxx-opt+bumproot/osh mut
20 8 12 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.7 osh-native mut+alloc
22 11 12 11.1 osh-native mut+alloc+free
22 20 2 8.7 osh-native mut+alloc+free+gc
23 12 11 8.8 osh-native mut+alloc+free+gc+exit
24 23 1 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 24 1 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc