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 154 25 66 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 8.7 995,222 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 -
23 23 0 3.0 bash -
106 65 48 3.4 zsh -
16 8 8 28.8 bumpleak/osh mut
19 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
23 18 4 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.3 osh-native mut+alloc
33 20 12 25.6 osh-native mut+alloc+free
35 26 9 18.0 osh-native mut+alloc+free+gc
36 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 33.1 _bin/cxx-opt+nopool/osh mut+alloc
50 42 8 22.2 _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 1.4 dash -
78 74 4 3.3 bash -
375 230 165 3.5 zsh -
50 38 11 85.2 bumpleak/osh mut
75 67 8 84.6 _bin/cxx-opt+bumproot/osh mut
69 65 4 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 68 32 73.4 osh-native mut+alloc
108 88 20 75.4 osh-native mut+alloc+free
154 137 16 51.7 osh-native mut+alloc+free+gc
162 142 20 52.1 osh-native mut+alloc+free+gc+exit
142 81 61 98.9 _bin/cxx-opt+nopool/osh mut+alloc
218 193 24 74.1 _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 2.8 bash -
8 4 4 3.3 zsh -
6 6 0 10.3 bumpleak/osh mut
6 6 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 0 9 10.2 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 11.4 _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 24 4 2.6 bash -
24 20 4 3.3 zsh -
19 15 4 32.2 bumpleak/osh mut
24 24 0 31.3 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.5 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 33 21 36.1 _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 68 4 3.1 bash -
167 111 56 54.5 bumpleak/osh mut
180 100 80 55.8 _bin/cxx-opt+bumproot/osh mut
193 114 79 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 145 68 47.2 osh-native mut+alloc
220 116 104 48.9 osh-native mut+alloc+free
181 108 72 8.7 osh-native mut+alloc+free+gc
182 125 56 8.8 osh-native mut+alloc+free+gc+exit
232 144 88 64.4 _bin/cxx-opt+nopool/osh mut+alloc
209 176 32 10.0 _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 8 2 3.4 dash -
19 15 5 4.5 bash -
18 12 6 3.5 zsh -
20 18 2 12.8 bumpleak/osh mut
21 15 6 13.3 _bin/cxx-opt+bumproot/osh mut
21 13 9 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 4 10.9 osh-native mut+alloc
23 8 15 10.9 osh-native mut+alloc+free
23 21 2 8.8 osh-native mut+alloc+free+gc
23 14 10 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
27 17 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc