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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 23 61 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 10 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 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 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 8.9 116,289 478 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
7 3 3 1.6 dash -
23 19 4 3.1 bash -
105 65 46 3.4 zsh -
16 12 4 29.8 bumpleak/osh mut
20 16 4 28.3 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 13 17 25.2 osh-native mut+alloc
31 16 16 25.4 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
36 24 12 17.8 osh-native mut+alloc+free+gc+exit
42 23 19 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 -
77 73 4 3.1 bash -
374 225 169 3.5 zsh -
56 51 4 84.9 bumpleak/osh mut
60 60 0 86.0 _bin/cxx-opt+bumproot/osh mut
70 51 19 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 58 39 73.5 osh-native mut+alloc
105 72 32 75.3 osh-native mut+alloc+free
148 120 28 51.6 osh-native mut+alloc+free+gc
154 126 28 52.1 osh-native mut+alloc+free+gc+exit
137 109 28 98.2 _bin/cxx-opt+nopool/osh mut+alloc
203 179 24 72.0 _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 6 0 3.0 bash -
8 4 4 3.4 zsh -
6 3 3 11.1 bumpleak/osh mut
7 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 4 4 10.2 osh-native mut+alloc+free
10 10 0 8.5 osh-native mut+alloc+free+gc
9 0 9 8.7 osh-native mut+alloc+free+gc+exit
11 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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
10 7 3 1.4 dash -
28 28 0 3.0 bash -
24 20 4 3.3 zsh -
18 11 7 31.0 bumpleak/osh mut
26 22 4 32.9 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
39 31 8 26.5 osh-native mut+alloc
38 34 4 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 36 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 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 72 0 3.0 bash -
167 111 56 54.5 bumpleak/osh mut
180 96 84 55.7 _bin/cxx-opt+bumproot/osh mut
193 116 76 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 111 100 46.9 osh-native mut+alloc
217 145 72 48.8 osh-native mut+alloc+free
180 104 76 8.7 osh-native mut+alloc+free+gc
181 121 60 8.8 osh-native mut+alloc+free+gc+exit
232 160 72 63.9 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 5 6 3.5 dash -
20 16 4 4.5 bash -
17 5 13 3.5 zsh -
18 13 5 11.9 bumpleak/osh mut
21 11 10 12.8 _bin/cxx-opt+bumproot/osh mut
21 11 10 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 4 11.0 osh-native mut+alloc
22 15 8 10.9 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
23 17 6 8.9 osh-native mut+alloc+free+gc+exit
25 6 20 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc